Journal articles: 'Canada maine'

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Moran, Renae E., Jennifer R. DeEll, and William Halteman. "Effects of Preharvest Precipitation, Air Temperature, and Humidity on the Occurrence of Soft Scald in ‘Honeycrisp’ Apples." HortScience 44, no. 6 (October 2009): 1645–47. http://dx.doi.org/10.21273/hortsci.44.6.1645.

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The relationship of soft scald incidence (SSI) with precipitation, temperature, and fruit maturity indicators in ‘Honeycrisp’ apples was examined using 7 years of data in Maine and 6 years in Ontario, Canada. Relative humidity was also examined in Maine. Soft scald incidence was highly variable from year to year ranging from 1% to 85% in Maine and from 0% to 76% in Ontario. In Ontario, SSI was negatively related to soluble solids at harvest (partial r2 = 0.50; P = 0.0041) and negatively related to precipitation during 90 to 120 days from bloom (DFB; partial r2 = 0.28; P = 0.0344). In Maine, SSI was most strongly related to precipitation in the 90 to 120 DFB (partial r2 = 0.53; P = 0.0001), maximum air temperature 60 to 90 DFB (partial r2 = 0.21; P = 0.0001), and number of hours when relative humidity was greater than 85% (partial r2 = 0.11; P = 0.0001).

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Vashon, Jennifer H., Amy L. Meehan, Walter J. Jakubas, John F. Organ, Adam D. Vashon, Craig R. McLaughlin, George J. Matula, and Shannon M. Crowley. "Spatial Ecology of a Canada Lynx Population in Northern Maine." Journal of Wildlife Management 72, no. 7 (2008): 1479. http://dx.doi.org/10.2193/2007-462.

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Schurer, Janna M., Emilie Bouchard, Ann Bryant, Sarah Revell, Grace Chavis, Anne Lichtenwalner, and Emily J. Jenkins. "Echinococcus in wild canids in Québec (Canada) and Maine (USA)." PLOS Neglected Tropical Diseases 12, no. 8 (August 20, 2018): e0006712. http://dx.doi.org/10.1371/journal.pntd.0006712.

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Fraver, Shawn, Robert S. Seymour, James H. Speer, and Alan S. White. "Dendrochronological reconstruction of spruce budworm outbreaks in northern Maine, USA." Canadian Journal of Forest Research 37, no. 3 (March 2007): 523–29. http://dx.doi.org/10.1139/x06-251.

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Using dendrochronological analyses, we reconstructed a 300 year history of eastern spruce budworm ( Choristoneura fumiferana (Clem.)) outbreaks in northern interior Maine. By analyzing radial growth patterns from the budworm host, red spruce ( Picea rubens Sarg.), and nonhost, northern white cedar ( Thuja occidentalis L.), we identified five outbreaks beginning ca. 1709, 1762, 1808, 1914, and 1976, all of which have been documented from eastern Canada. However, little or no evidence was found in our study for the 1830s, 1870s, or 1940s outbreaks also documented there. The mean outbreak return interval in our study (67 years) was roughly twice that postulated for eastern Canada. Differences in forest types, and associated stand dynamics, between the regions may explain the longer return intervals, and consequently the absence of these three outbreaks in Maine. Results also indicate that small, slow-growing trees exhibit a budworm signal very similar to that of overstory trees, once tree-ring series have been properly standardized.

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Cwynar, Les C., and André J. Levesque. "Chironomid Evidence for Late-Glacial Climatic Reversals in Maine." Quaternary Research 43, no. 3 (May 1995): 405–13. http://dx.doi.org/10.1006/qres.1995.1046.

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AbstractPreviously published pollen studies from Maine have not identified any late-glacial reversals despite evidence for them from adjacent areas. The distribution and abundance of midge flies are strongly correlated with summer surface-water temperatures. We analyzed fossils of larval midge flies from the sediments of two ponds (Trout and Tilley) from Maine. Each site reveals a major and a minor oscillation during which inferred summer surface-water temperatures fell by 7-13°C and 2.1-2.6°C, respectively. We tentatively correlate these events with the Younger Dryas cooling and Killarney Oscillation reported from adjacent Maritime Canada, where they have been AMS 14C-dated at 10,770-10,000 and 11,160-10,910 yr B.P., respectively. A third oscillation occurs at the northernmost site, Tilley Pond, and may represent the effects of a local ice advance in northern Maine.

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Hendrikse, Liam D., Ankita Kambli, Caroline Kayko, Marta Canuti, Bruce Rodrigues, Brian Stevens, Jennifer Vashon, Andrew S. Lang, David B. Needle, and Ryan M. Troyer. "Identification of a Novel Gammaherpesvirus in Canada lynx (Lynx canadensis)." Viruses 11, no. 4 (April 20, 2019): 363. http://dx.doi.org/10.3390/v11040363.

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Gammaherpesviruses (GHVs) infect many animal species and are associated with lymphoproliferative disorders in some. Previously, we identified several novel GHVs in North American felids; however, a GHV had never been identified in Canada lynx (Lynx canadensis). We, therefore, hypothesized the existence of an unidentified GHV in lynx. Using degenerate nested and subsequently virus-specific PCR, we amplified and sequenced 3.4 kb of DNA from a novel GHV in lynx, which we named Lynx canadensis gammaherpesvirus 1 (LcaGHV1). Phylogenetic analysis determined that LcaGHV1 is a distinct GHV species belonging to the genus Percavirus. We then estimated the prevalence of LcaGHV1 in lynx by developing a PCR-based assay and detected LcaGHV1 DNA in 36% (95% CI: 22–53%) of lynx spleen DNA samples from Maine, USA and 17% (95% CI: 8–31%) from Newfoundland, Canada. The LcaGHV1 DNA sequences from Maine and Newfoundland lynx were nearly identical to each other (two nucleotide substitutions in 3.4 kb), suggesting that the unique lynx subspecies present on the island of Newfoundland (Lynx canadensis subsolanus) is infected with virus that very closely resembles virus found in mainland lynx. The potential ecologic and pathologic consequences of this novel virus for Canada lynx populations warrant further study.

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Edgecombe, Gregory D., and Lars Ramsköld. "The Silurian encrinurine trilobite Pacificurus: new species from North America." Journal of Paleontology 66, no. 2 (March 1992): 255–62. http://dx.doi.org/10.1017/s002233600003376x.

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The first Laurentian records of Pacificurus Ramsköld, 1986 are provided by Pacificus chilorhodus n. sp. (latest Llandovery?–early Wenlock, Mackenzie Mountains, Canada) and Pacificurus sp. A (early Ludlow, northern Maine). These closely related species represent an early divergence (minimally late Llandovery) from Australian/Asian congenerics.

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Campbell, A., D. J. Noakes, and R. W. Elner. "Temperature and Lobster, Homarus americanus, Yield Relationships." Canadian Journal of Fisheries and Aquatic Sciences 48, no. 11 (November 1, 1991): 2073–82. http://dx.doi.org/10.1139/f91-246.

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Commercial landings of American lobster (Homarus americanus) have increased dramatically in many areas along the east coast of Canada since the late 1970's. Average annual sea surface temperatures (SST) were analysed to test if lobster landings were related to changes in the marine environment. Time series models were fitted to lobster landings and SST data from Maine (USA), Halifax County (Nova Scotia), and Charlotte County (New Brunswick). Including temperature in the models improved forecasting ability for lobster catches for Maine and Halifax but not Charlotte. In Maine, lobster landings in year t were related to SST in year t. In Halifax, however, landings were related to SST in the previous 4 yr but not by SST of the current year. Lower fishing effort levels for Halifax compared with Maine probably extended the yield from strong year-classes through a number of years. We surmise that an increase in sea temperature near Halifax during the early 1980's increased the survival and growth rates of lobster juveniles. This provided a strong pulse of recruits to the fishery throughout coastal Nova Scotia during the mid- to late 1980's. Similar increases in temperature and landings were not observed for Maine and Charlotte.

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9

Weeks, Lori E., and Karen A. Roberto. "Comparison of Adult Day Services in Atlantic Canada, Maine, and Vermont." Canadian Journal on Aging / La Revue canadienne du vieillissement 21, no. 2 (2002): 273–82. http://dx.doi.org/10.1017/s0714980800001525.

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ABSTRACTIn both Canada and the United States, adult day services (ADS) are an integral component in the array of long-term care services available. We compared characteristics of programs and participant characteristics in Atlantic Canada, Maine, and Vermont. Directors of 47 ADS programs responded to a mailed survey. Individual ADS programs in each province and state exhibited unique program and participant characteristics. ADS programs in the two countries differed with respect to: affiliation, location, levels of government support, participant fees, organizational sponsorship, hours of operation, months of attendance, and hours attended per day. Participant characteristics that varied between the two countries were educational level, physical needs, and cognitive status. The results of this study provide new comparative information that can be used in guiding future research and program development of ADS.

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10

Pampoulie, Christophe, Sigurlaug Skirnisdottir, Guðbjorg Olafsdottir, Sarah J. Helyar, Vilhjálmur Thorsteinsson, Sigurður Þ. Jónsson, Alain Fréchet, et al. "Genetic structure of the lumpfish Cyclopterus lumpus across the North Atlantic." ICES Journal of Marine Science 71, no. 9 (May 28, 2014): 2390–97. http://dx.doi.org/10.1093/icesjms/fsu071.

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Abstract Lumpfish, or lumpsucker, Cyclopterus lumpus (Linnaeus, 1758) is widely distributed in the North Atlantic Ocean. It has a considerable economic value and substantial fisheries occur in several North Atlantic regions owing to the use of its fully ripe internal egg masses in the ovaries as an alternative to sturgeon caviar. Despite being intensively fished in several locations, biological knowledge is limited and no genetic structure information is available. In this study, the stock structure of C. lumpus was investigated across the North Atlantic using ten microsatellite loci. Out of ten loci, two exhibited higher level of differentiation but their inclusion/exclusion from the analyses did not drastically change the observed genetic pattern. A total of three distinct genetic groups were detected: Maine–Canada–Greenland, Iceland–Norway and Baltic Sea. These results, discussed in terms of origin of differentiation, gene flow, and selection, showed that gene flow was rather limited among the detected groups, and also between Greenland and Maine–Canada.

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11

Lesage, Laurent. "CHAETOCNEMA CONCINNA (MARSHAM, 1802), A EUROPEAN FLEA BEETLE INTRODUCED IN NORTH AMERICA (COLEOPTERA: CHRYSOMELIDAE: ALTICINAE)." Canadian Entomologist 122, no. 4 (August 1990): 647–50. http://dx.doi.org/10.4039/ent122647-7.

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AbstractChaetocnema concinna (Marsham, 1802), a European flea beetle, is reported for the first time from Canada. Preliminary collection data indicate that it may feed on the same host plants as in Europe. It has been collected to date in Prince Edward Island, Nova Scotia, and Maine.

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Hamelin, Alexia, Fabrice Conchou, Marion Fusellier, Bettina Duchenij, Isabelle Vieira, Emilie Filhol, Caroline Dufaure de Citres, Laurent Tiret, Vincent Gache, and Marie Abitbol. "Genetic heterogeneity of polydactyly in Maine Coon cats." Journal of Feline Medicine and Surgery 22, no. 12 (February 18, 2020): 1103–13. http://dx.doi.org/10.1177/1098612x20905061.

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Objectives Polydactyly has been described in two breeds of domestic cats (Maine Coon and Pixie Bob) and in some outbred domestic cats (eg, Hemingway cats). In most cases, feline polydactyly is a non-syndromic preaxial polydactyly. Three variants located in a regulatory sequence involved in limb development, named ZRS (zone of polarising activity regulatory sequence), have been identified to be responsible for feline polydactyly. These variants have been found in outbred domestic cats in the UK ( UK1 and UK2 variants) and in Hemingway cats in the USA ( Hw variant). The aim of this study was to characterise the genetic features of polydactyly in Maine Coon cats. Methods Genotyping assay was used to identify the variant(s) segregating in a cohort of 75 polydactyl and non-polydactyl Maine Coon cats from different breeding lines from Europe, Canada and the USA. The authors performed a segregation analysis to identify the inheritance pattern of polydactyly in this cohort and analysed the population structure. Results The Hw allele was identified in a subset of polydactyl cats. Sequencing of two regulatory sequences involved in limb development did not reveal any other variant in polydactyl cats lacking the Hw allele. Additionally, genotype–phenotype and segregation analyses revealed the peculiar inheritance pattern of polydactyly in Maine Coon cats. The population structure analysis demonstrated a genetic distinction between Hw and Hw-free polydactyl cats. Conclusions and relevance Polydactyly in Maine Coon cats is inherited as an autosomal dominant trait with incomplete penetrance and variable expressivity, and this trait is characterised by genetic heterogeneity in the Maine Coon breed. Maine Coon breeders should be aware of this situation and adapt their breeding practices accordingly.

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Bernard, Jean-Thomas, and Jakir Hussain. "The Canada–United States productivity puzzle: regional evidence of the pulp and paper industry, 1971–2005." Canadian Journal of Forest Research 47, no. 6 (June 2017): 735–42. http://dx.doi.org/10.1139/cjfr-2016-0511.

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We analyze the total factor productivity (TFP) of the pulp and paper industry in three Canadian provinces (British Columbia, Ontario, and Quebec) and in three United States (US) states that are contiguously located south of the border (Washington, Illinois, and Maine) over the period of 1971 to 2005. We find that the industry in the three Canadian provinces had much higher TFP growth rates in the era following the Free-Trade Agreement (FTA) signed in 1988. In terms of productivity level, this relative TFP surge allowed the industry in Ontario and British Columbia to move ahead of Illinois and Washington, respectively; however, Quebec trailed further Maine, which is the overall leader in the sample. Our results in this particular case reveal that the Canadian pulp and paper industry did not contribute to the overall Canada–US productivity gap.

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McCordic, Jessica A., Sean K. Todd, and Peter T. Stevick. "Differential rates of killer whale attacks on humpback whales in the North Atlantic as determined by scarification." Journal of the Marine Biological Association of the United Kingdom 94, no. 6 (August 7, 2013): 1311–15. http://dx.doi.org/10.1017/s0025315413001008.

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As in other populations of killer whales, Orcinus orca, prey selectivity in the North Atlantic population may indicate behaviourally or ecologically distinct types of killer whales. Some killer whale ecotypes are known to prey on large whales, but the ecological impact of such predation events is unknown. Since killer whale attacks on humpback whales, Megaptera novaeangliae, are rarely witnessed, resultant scars may be used to determine the frequency of non-fatal predatory interactions. Using images from the North Atlantic Humpback Whale Catalogue (NAHWC), we examined humpback whale flukes for the presence of rake marks from killer whales (N = 5040). Scarring frequencies range from 2.7 to 17.4% and differ significantly among five regions of the North Atlantic (Gulf of Maine, Canada, West Greenland, Iceland and Norway). The scarring rate in the Canada region is significantly higher than all other regions, and Norway has a significantly lower scarring rate than all other regions, despite more frequently reported killer whale sightings in that region. Within the western North Atlantic, Canada has a scarring rate nearly twice that of either the Gulf of Maine or West Greenland. These data may reflect differential prey choice among killer whale ecotypes and/or the distribution of specific ecotypes across the North Atlantic basin.

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Gallo, Lorenzo, and Peter Zika. "A taxonomic study of Sedum series Rupestria (Crassulaceae) naturalized in North America." Phytotaxa 175, no. 1 (July 30, 2014): 19. http://dx.doi.org/10.11646/phytotaxa.175.1.2.

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Sedum rupestre L. and its close relatives (Sedum series Rupestria) are native to Europe. Adventive populations in North America were studied both in the field and the herbaria. Our results exclude S. rupestre L. and include recognition of two additional taxa on the continent, which are distinguished with keys and illustrations: Sedum forsterianum documented as a naturalized species in the United States, from Washington, and in British Columbia, Canada and Sedum thartii, naturalized in Colorado, Maine, Ohio, Oregon, Washington and Ontario, Canada. A lectotype is established for S. forsterianum.

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Hamelin, Alexia, Dominique Begon, Fabrice Conchou, Marion Fusellier, and Marie Abitbol. "Clinical characterisation of polydactyly in Maine Coon cats." Journal of Feline Medicine and Surgery 19, no. 4 (February 1, 2016): 382–93. http://dx.doi.org/10.1177/1098612x16628920.

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Objectives Polydactyly has been reported in a number of vertebrate species, including the domestic cat. It is a common characteristic in some breeding lines of the Maine Coon. The aim of this study was to assess the limb phenotype of polydactyl cats using physical and radiographic examinations. Methods We used physical examination and radiography to characterise the polydactyly phenotype in a cohort of 70 Maine Coon cats, including 48 polydactyl cats from four different breeding lines from Europe, Canada and the USA. Results The phenotypic expression of polydactyly showed great variability, not only in digit number and conformation, but also in the structure of the carpus and tarsus. Comparison of the size of the radius in polydactyl and non-polydactyl 3-month-old kittens and adult females did not reveal any difference between polydactyl and non-polydactyl cats. Conclusions and relevance We conclude that polydactyly in Maine Coon cats is characterised by broad phenotypic diversity. Polydactyly not only affects digit number and conformation, but also carpus and tarsus conformation, with no apparent deleterious consequence on feline welfare.

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Schneider, Jan. "The Gulf of Maine Case: The Nature of an Equitable Result." American Journal of International Law 79, no. 3 (July 1985): 539–77. http://dx.doi.org/10.2307/2201887.

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Pursuant to the recent four to one Judgment by a Chamber of the International Court of Justice in the Case Concerning Delimitation of the Maritime Boundary in the Gulf of Maine Area, Canada and the United States are to share Georges Bank. Canada has jurisdiction over approximately one-sixth of the Bank, including the resource-rich “Northeast Peak” and most of the “Northern Edge,” and the United States the remaining area. Since Georges Bank is one of the world’s most productive fishing grounds, and this was consequently a case about fish more than a traditional continental shelf delimitation, the Judgment means that these North American neighbors may have to work out cooperative arrangements for the conservation and management of the shared living resources of Georges Bank. The question naturally arises as to how this outcome was reached, and why it purports to fulfill the fundamental norm of the law of delimitation of maritime boundaries—namely, to achieve an “equitable result.”

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Organ, John F., Jennifer H. Vashon, John E. McDonald, Adam D. Vashon, Shannon M. Crowley, Walter J. Jakubas, George J. Matula, and Amy L. Meehan. "Within-Stand Selection of Canada Lynx Natal Dens in Northwest Maine, USA." Journal of Wildlife Management 72, no. 7 (2008): 1514. http://dx.doi.org/10.2193/2008-290.

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FULLER, ANGELA K., DANIEL J. HARRISON, and JENNIFER H. VASHON. "Winter Habitat Selection by Canada Lynx in Maine: Prey Abundance or Accessibility?" Journal of Wildlife Management 71, no. 6 (August 2007): 1980–86. http://dx.doi.org/10.2193/2006-288.

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Hoving, Christopher L., Daniel J. Harrison, William B. Krohn, Walter J. Jakubas, and Mark A. McCollough. "Canada Lynx Lynx canadensis Habitat and Forest Succession in Northern Maine, USA." Wildlife Biology 10, no. 1 (January 2004): 285–94. http://dx.doi.org/10.2981/wlb.2004.034.

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Hoving, Christopher L., Ronald A. Joseph, and William B. Krohn. "RECENT AND HISTORICAL DISTRIBUTIONS OF CANADA LYNX IN MAINE AND THE NORTHEAST." Northeastern Naturalist 10, no. 4 (December 2003): 363–82. http://dx.doi.org/10.1656/1092-6194(2003)010[0363:rahdoc]2.0.co;2.

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Hoving, Christopher L., Ronald A. Joseph, and William B. Krohn. "Recent and Historical Distributions of Canada Lynx in Maine and the Northeast." Northeastern Naturalist 10, no. 4 (2003): 363. http://dx.doi.org/10.2307/3858654.

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Allen Curry, R. "Late glacial impacts on dispersal and colonization of Atlantic Canada and Maine by freshwater fishes." Quaternary Research 67, no. 2 (March 2007): 225–33. http://dx.doi.org/10.1016/j.yqres.2006.11.002.

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AbstractLate glacial scenarios of ice retreat and biogeography databases constrain the dispersal routes of obligate freshwater fishes into Atlantic Canada and Maine. Evidence indicates glacial ice covered the present-day mainland and offshore islands at 18,000 14C yr before present. Possible refugia for extirpated freshwater fishes were the exposed outer edge of the Grand Banks (east), exposed Georges Bank (south-Atlantic Refugium), and the Mississippi Refugium in the west. It is improbable that the region was recolonized from the offshore refugia. Rather, fishes recolonized from the east via the upper St. Lawrence River valley into the upper Saint John River, Maine (Lake Madawaska) from 11,000 to 12,000 14C yr BP. The short period of entry resulted in the low diversity of obligate freshwater species in the region. Lake Madawaska was breached and dispersal continued into the remainder of the region after 8000 14C yr BP. By 6000 14C yr BP, access routes to the east along low-lying coastal zones were blocked by rising sea levels, which isolated Prince Edward Island, Cape Breton Island, and most probably Nova Scotia. Natural dispersal across the region appeared complete by this time.

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Burnett, Wendy. "Linguistic Resistance on the Maine-New Brunswick Border." Canadian Journal of Linguistics/Revue canadienne de linguistique 51, no. 2-3 (November 2006): 161–75. http://dx.doi.org/10.1017/s0008413100004047.

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AbstractPrior studies have established that the Atlantic region of Canada constitutes a dialect zone. Data from the Dialect Topography of New Brunswick, gathered from 2001 to 2003, permit a comparison of linguistic trends in this part of the Atlantic region with those observed in the Golden Horseshoe region of Ontario. In both cases, there is a convergence towards American forms. However, at a certain point on the border between New Brunswick and Maine, where there is significant social contact between Canadians and Americans, the data suggest that Canadian youth are resisting adoption of several American forms. The present study considers this border effect in the responses of 14–19-year-olds living in St. Stephen, New Brunswick, and in the adjacent town of Calais, Maine. Sixteen items identified as Canadian/American shibboleths in the Golden Horseshoe study are examined, and the results are assessed in relation to the Boberg’s (2000) claims regarding geo-linguistic diffusion.

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Harding, Gareth, Ellen Kenchington, and Zhensui Zheng. "Morphometrics of American Lobster (Homarus americanus) Larvae in Relation to Stock Determinations in the Maritimes, Canada." Canadian Journal of Fisheries and Aquatic Sciences 50, no. 1 (January 1, 1993): 43–52. http://dx.doi.org/10.1139/f93-005.

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Morphological characteristics of the first larval stage of the American lobster (Homarus americanus) enabled the separation of the Maritime population with stepwise discriminant function analysis into three groups: the southern Gulf of St. Lawrence and its outflow around Cape Breton Island, the Atlantic inshore region of Nova Scotia, and the offshore banks bordering the Gulf of Maine. Once the effect of environmental temperature on larval size was removed, the differences between Georges and Browns banks and the Atlantic inshore disappeared. The remaining differences, chiefly in the dimensions of the second and fifth abdominal segments and the rostrum, between larvae from the Cape Breton sites and elsewhere may be due to other environmental factors or partial genetic isolation. Conservation and management practices over the past century have increased gene flow between regions, and most of this appears to be from the release of Gulf of St. Lawrence lobsters in the Gulf of Maine. A reassessment of previous studies on adult morphology, benthic movements, larval dispersal, enzyme electrophoresis, and commercial landing patterns supports the separation of the Gulf of St. Lawrence stock from the rest of the Canadian Maritimes.

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Saaristo, Michael I., and Seppo Koponen. "A review of northern Canadian spiders of the genus Agyneta (Araneae, Linyphiidae), with descriptions of two new species." Canadian Journal of Zoology 76, no. 3 (March 1, 1998): 566–83. http://dx.doi.org/10.1139/z97-217.

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Agyneta amersaxatilis n.sp. and Agyneta dynica n.sp. are described from Canada. Agyneta amersaxatilis, preferring moist sites, ranges from maritime Canada and Maine in the east to Alberta in the west. Agyneta dynica is known only from the type locality in northern Quebec. The identity of Agyneta nigripes (Simon, 1884), Agyneta levinsenii (Soerensen, 1898) n.comb., Agyneta maritima (Emerton, 1919), Agyneta simplex (Emerton, 1926) n.comb., Agyneta jacksoni (Braendegaard, 1937) n.stat., n.comb., and Agyneta alaskensis (Holm, 1960) rev.stat. is discussed and diagnostic drawings are presented. A new synonymy, Meioneta tumoa (Chamberlin and Ivie, 1933) = Agyneta simplex (Emerton, 1926) n.syn., is proposed. Marked geographical variation was found inA. nigripes.

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Ackerman, S. A., A. S. Bachmeier, K. Strabala, and M. Gunshor. "A Unique Satellite Perspective of the 13–14 January 2004 Record Cold Outbreak in the Northeast." Weather and Forecasting 20, no. 2 (April 1, 2005): 222–25. http://dx.doi.org/10.1175/waf842.1.

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Abstract A cold, dry arctic air mass occupied southeastern Canada and the northeastern United States on 13–14 January 2004. This air mass was quite dry—total column precipitable water values at Pickle Lake, Ontario, Canada, and The Pas, Manitoba, Canada, were as low as 0.02 in. (0.5 mm)—allowing significant amounts of radiation originating from the surface to be detected using Geostationary Operational Environmental Satellite (GOES) 6.5-μm “water vapor channel” imagery. On this day the strong thermal gradient between the very cold snow-covered land surface in southern Canada and the warmer, unfrozen, cloud-free water along the northern portion of the Great Lakes was quite evident in GOES-12 imager water vapor channel data. Several hours later, as the cold dry air mass moved eastward, the coast of Maine, Cape Cod, and the Saint Lawrence River were also apparent in the water vapor channel imagery.

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Yorke, Alana F., Stephen Mockford, and Rodger C. Evans. "Canada frostweed (Helianthemum canadense (L.) Michx.; Cistaceae) at the northeastern limit of its range: implications for conservation." Botany 89, no. 2 (February 2011): 83–89. http://dx.doi.org/10.1139/b10-088.

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Canada frostweed (Helianthemum canadense) is a perennial herb whose abundance and habitat are declining in Nova Scotia. These sites mark the northeastern limit of this species with nearest populations occurring in Maine and Quebec. To determine the genetic structure of northeastern populations, we used amplified fragment length polymorphisms to examine individuals from Nova Scotia, Maine, New Hampshire, and Quebec. Cluster analyses and analysis of molecular variance identified four groups: (i) Queens County, Nova Scotia; (ii) Kings County, Nova Scotia; (iii) Quebec; and (iv) Northeastern New England. New England samples revealed evidence of gene flow among populations within that region, and several individuals from Quebec and Queens County, Nova Scotia, were assigned to the same cluster. The majority of individuals from Kings County were assigned to a separate cluster from that associated with Queens County, indicating two distinct populations within Nova Scotia. Differences between Nova Scotia populations may be attributed to isolation and drift, or separate postglacial colonization events. We recommend that Queens County and Kings County populations be considered as discrete units for conservation and, because Nova Scotia populations are distinct from other populations in eastern Canada and northeastern United States, we suggest that conservation of populations at the northeastern limits of the range of H. canadense is warranted.

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McAlpine, Donald, James D. Martin, and Cade Libby. "First Occurrence of the Grey Fox, Urocyon cinereoargenteus, in New Brunswick: a Climate-change Mediated Range Expansion?" Canadian Field-Naturalist 122, no. 2 (April 1, 2008): 169. http://dx.doi.org/10.22621/cfn.v122i2.578.

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The first occurrence in New Brunswick of the Grey Fox (Urocyon cinereoargenteus), a threatened species in Canada, is documented based on a 4.3 kg subadult male trapped in the southwestern corner of the province. This is an approximate range extension of 135 km from the most northerly Maine occurrence and may reflect a larger North American range expansion underway since 1930-40, perhaps in response to warming climate.

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Watt, Steven. "Pétition et démocratie. Les cas du Bas-Canada et du Maine, 1820-1840." Bulletin d'histoire politique 14, no. 2 (2006): 51. http://dx.doi.org/10.7202/1054433ar.

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Tanney, Joey B., and Keith A. Seifert. "Lophodermium resinosum sp. nov. from red pine (Pinus resinosa) in Eastern Canada." Botany 95, no. 8 (August 2017): 773–84. http://dx.doi.org/10.1139/cjb-2017-0012.

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A morphologically distinct Lophodermium species was collected from fallen secondary needles of Pinus resinosa Aiton over two consecutive years in Eastern Ontario; subsequent herbarium studies confirmed its presence in Nova Scotia, Quebec, and Maine. Symptomatic needles frequently exhibited red bands and completely subepidermal ascomata and conidiomata. Ascospore isolates from specimens were used to reconstruct phylogenies inferred from internal transcribed spacer rDNA and partial actin gene sequences. Both phylogenetic analyses delineated the specimens from other sequenced Lophodermium species. Phylogenetic evidence combined with morphological characters of ascomata and conidiomata supported the distinctiveness of this species, described here as Lophodermium resinosum sp. nov.

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Melachrinoudis, Emanuel, David Rumpf, and Ramon Venegas. "Mixed integer programming improves spray operation planning." Canadian Journal of Forest Research 17, no. 12 (December 1, 1987): 1602–8. http://dx.doi.org/10.1139/x87-245.

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The spruce budworm is the most destructive pest of spruce and fir forests in the northern United States and Canada. To counter the insect, the Maine Forest Service has, for the last decade (1975–1985), conducted a large-scale spray operation in Maine's northern and eastern forests. The operation involves the use of several types of aircraft flying from several airfields to spray hundreds of target areas. A minimum cost mixed integer programming model was developed to determine the airfield locations, the number of types of aircraft, and the flight plans to best conduct the spray operation. The model extends and complements a microcomputer linear programming model previously developed for and used by the Maine Forest Service. The savings obtained by the mixed integer programming model can be seen by the included comparison of their results.

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33

Milne, W. R., and S. Corey. "Distributional patterns of the ctenophores Pleurobrachia pileus and Beroe cucumis in the Bay of Fundy region, Canada." Canadian Journal of Zoology 64, no. 11 (November 1, 1986): 2639–44. http://dx.doi.org/10.1139/z86-383.

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The distribution and relative abundance of Pleurobrachia pileus (O. F. Müller, 1776) and Beroe cucumis (Fabricius, 1780) within the Bay of Fundy and adjacent waters were examined over an 8-year period, either twice (spring and fall, 1975 and 1976) or three times (spring, summer, and fall, 1977 through 1982). Pleurobrachia pileus occurred in all surveys, maintaining a persistent centre of abundance over the southwest Nova Scotia shelf. Secondary centres of occurrence were located within the upper bay and Grand Manan–Maine regions, and were maintained by immigration from the southwest Nova Scotia region. Small P. pileus were abundant during the summer and fall, while larger animals were found in the spring. The larger numbers of smaller ctenophores within the upper bay and Grand Manan–Maine regions may reflect shrinkage of larger animals because of lack of food. Pleurobrachia pileus displayed a lack of significant affinity with the major recurrent group of zooplankton species found within the Bay of Fundy. Beroe cucumis was observed to be an immigrant into the Bay of Fundy in the spring and fall and generally occurred in areas of deeper waters, with recorded abundances usually low.

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34

McHone, James Gregory, Arthur M. Hussey, David P. West, and David G. Bailey. "The Christmas Cove Dyke of coastal Maine, USA, and regional sources for Early Mesozoic flood basalts in northeastern North America." Atlantic Geology 50 (April 29, 2014): 66. http://dx.doi.org/10.4138/atlgeo.2014.004.

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A large Early Mesozoic quartz tholeiite dyke has been mapped discontinuously for 190 km in southern coastal Maine, USA. Including its type locality at Christmas Cove (South Bristol, Maine, USA), the dyke has features of a generally ENE strike; dip usually steep to the SSE but abruptly turning very shallow in short sections; and widths of 9 to 35 m. The dyke rock has a distinctive cross-columnar field appearance, and a subophitic to micro-porphyritic texture with abundant Ti-bearing augite, calcic plagioclase, scattered euhedral orthopyroxene phenocrysts, and coarse-grained glomerophyric clumps of augite with plagioclase. Several 40Ar/39Ar whole-rock dates for this and associated regional dykes are close to 201 Ma, in agreement with ages of other Early Mesozoic dykes and basalts of the Central Atlantic Magmatic Province (CAMP). The geographic position, age, whole-rock chemistry, and petrography indicate that the Christmas Cove Dyke is co-magmatic or contiguous with the Higganum-Holden Dyke of southern New England, which was a source for the Talcott Basalt of the Early Mesozoic Hartford rift basin. The dyke system is a 700-km long fissure source for the earliest rift basin basalts preserved in northeastern North America, and it virtually connects the Hartford Basin and the Fundy Basin in Atlantic Canada. The Caraquet Dyke of New Brunswick and central Maine may be co-magmatic with the Buttress Dyke and Holyoke Basalt of southern New England, but lava from it is not preserved in Atlantic Canada or Maine.

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35

Seaman, S. J., R. Hon, M. Whitman, R. A. Wobus, J. P. Hogan, M. Chapman, G. C. Koteas, D. Rankin, A. Piñán-Llamas, and J. C. Hepburn. "Late Paleozoic supervolcano-scale eruptions in Maine, USA." GSA Bulletin 131, no. 11-12 (April 25, 2019): 1995–2010. http://dx.doi.org/10.1130/b32058.1.

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Abstract Contemporaneous mafic and felsic magmatism occurs in a variety of tectonic settings where continental crust is invaded by mantle-derived basaltic melt. Bimodal magmatism, including supervolcano-scale eruptions, occurred in both the Coastal Maine magmatic province and the Central Maine magmatic belt during two phases of accretion of Avalonia to the margin of North America in the Late Silurian and Early Devonian. The magmatic complexes of both coastal and central Maine provide an opportunity to examine the storage and eruption settings of basaltic and rhyolitic magma from the base of plutons through the top of their volcanic successions. The coastal and central Maine magmatic provinces represent the southwesternmost part of a >70,000 km2 bimodal igneous province that includes volcanic and plutonic rocks that extend into the Gaspé Peninsula of Quebec, Canada. Taken together, these magmatic belts embody a large igneous province–scale locus of igneous activity. Four complexes in Maine are part of the Coastal Maine magmatic province and erupted between ca. 424 and 420 Ma, producing volcanic successions up to 3 km thick. The fifth large silicic eruptive complex examined here, the Katahdin/Traveler complex of central Maine, is part of the Central Maine magmatic belt, and it produced the ca. 407 Ma Traveler rhyolite, of which ∼3200-m-thick sections are preserved. The three coastal Maine magmatic complexes for which an arguably clear genetic relationship exists between pluton and volcanic succession are smaller than the Katahdin/Traveler system (on the basis of area of the remnant magma chamber of Mount Desert Island [∼500 km2] compared to that of the Katahdin batholith [∼1350 km2]), but they produced volcanic successions from 0.65 (Vinalhaven) to at least 2.2 km (Mount Desert/Cranberry Isles and Isle au Haut) thick. Single ignimbrite thicknesses in these complexes range from 350 m to 860 m. The remaining coastal Maine magmatic complex discussed here, the Eastport series, differs from the other four in that the pluton(s) from which the ∼2.4-km-thick succession originated has (have) not been identified. A detailed integration of gravity and magnetic data indicates that strong positive magnetic anomalies and weaker gravity anomalies support a model of thin felsic igneous rocks underlain by a significant volume of mafic to ultramafic rocks. The dominance of gabbro in the coastal Maine crustal column suggests that crustal extension and intrusion of mantle-derived basalt drove the development of bimodal magmatic complexes. The gabbro:granite ratio in the subsurface of the Coastal Maine magmatic province, and the presence of hornblende, rather than pyroxene, as the main ferromagnesian mineral in the gabbros of the province are consistent with a model of flux of hydrous basalt into the crust of ∼10–2 m3/m2/yr, leading to a ratio of crustal melt to mantle-derived basaltic melt of ∼1:0.25, if the invading basaltic melt was wet (∼5.6 wt% water). The absence of andesites in this setting is likely a consequence of the subduction-related origin of the hydrous basalts, resulting in the generation of dacitic rather than andesitic melts in lower-crustal mush zones, and the eventual extraction of interstitial melts from those dacitic melts in the upper crust to produce the granites and rhyolites that dominate the igneous rocks at the present surface in coastal and central Maine.

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Ceresini, Paulo C., H. David Shew, Rytas J. Vilgalys, Liane Rosewich Gale, and Marc A. Cubeta. "Detecting Migrants in Populations of Rhizoctonia solani Anastomosis Group 3 from Potato in North Carolina Using Multilocus Genotype Probabilities." Phytopathology® 93, no. 5 (May 2003): 610–15. http://dx.doi.org/10.1094/phyto.2003.93.5.610.

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The relative contribution of migration of Rhizoctonia solani anastomosis group 3 (AG-3) on infested potato seed tubers originating from production areas in Canada, Maine, and Wisconsin (source population) to the genetic diversity and structure of populations of R. solani AG-3 in North Carolina (NC) soil (recipient population) was examined. The frequency of alleles detected by multilocus polymerase chain reaction-restriction fragment length polymorphisms, heterozygosity at individual loci, and gametic phase disequilibrium between all pairs of loci were determined for subpopulations of R. solani AG-3 from eight sources of potato seed tubers and from five soils in NC. Analysis of molecular variation revealed little variation between seed source and NC recipient soil populations or between subpopulations within each region. Analysis of population data with a Bayesian-based statistical method previously developed for detecting migration in human populations suggested that six multilocus genotypes from the NC soil population had a statistically significant probability of being migrants from the northern source population. The one-way (unidirectional) migration of genotypes of R. solani AG-3 into NC on infested potato seed tubers from Canada, Maine, and Wisconsin provides a plausible explanation for the lack of genetic subdivision (differentiation) between populations of the pathogen in NC soils or between the northern source and the NC recipient soil populations.

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Wright, Barry. "THE EUROPEAN YELLOW UNDERWING, NOCTUA PRONUBA L. (LEPIDOPTERA: NOCTUIDAE), IN THE ATLANTIC PROVINCES (CANADA) AND THE STATE OF MAINE (USA)." Canadian Entomologist 119, no. 11 (November 1987): 993–97. http://dx.doi.org/10.4039/ent119993-11.

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AbstractNoctua pronuba L. is now abundant in central Nova Scotia and has become established throughout the province, on Sable Island, Prince Edward Island, and in Newfoundland. Sporadic records indicate that this species has become established in New Brunswick and is spreading into Maine. Light-trap records illustrate the rapid population increase in Nova Scotia and the spread throughout the Atlantic Provinces.

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38

Dillon Jr., Robert T., and John J. Manzi. "Population Genetics of the Hard Clam, Mercenaria mercenaria, at the Northern Limit of Its Range." Canadian Journal of Fisheries and Aquatic Sciences 49, no. 12 (December 1, 1992): 2574–78. http://dx.doi.org/10.1139/f92-284.

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Canadian populations of Mercenaria deserve recognition as stocks distinct from the larger population of the U.S. Atlantic coast. Although the hard clam occupies a virtually continuous range from Florida to Massachusetts, its distribution north of Cape Cod becomes disjunct. Here, we use protein electrophoresis to determine gene frequencies a seven polymorphic enzyme loci in clam populations from Maine, USA, and New Brunswick and Prince Edward Island, Canada, and compare our results with previously published data from Massachusetts. The fit to the Hardy–Weinberg expectation within populations was very good. The Maine population showed small but statistically significant divergence from its putative source population to the south at most loci, with an apparent loss of two rare alleles. Both Canadian populations showed larger levels of divergence, with the loss of 6–12 alleles and significant reductions in overall heterozygosity. The recognition of a St. Lawrence stock of hard clams at Prince Edward Island may have important implications for the fishery.

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McKenna, S. L. B., G. P. Keefe, H. W. Barkema, J. McClure, J. A. VanLeeuwen, P. Hanna, and D. C. Sockett. "Cow-Level Prevalence of Paratuberculosis in Culled Dairy Cows in Atlantic Canada and Maine." Journal of Dairy Science 87, no. 11 (November 2004): 3770–77. http://dx.doi.org/10.3168/jds.s0022-0302(04)73515-8.

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40

Majka, Christopher G., Joyce Cook, and Jeffrey Ogden. "Colydiidae (Coleoptera) in the Maritime Provinces of Canada and Maine in the United States." Coleopterists Bulletin 60, no. 3 (November 2, 2006): 225–29. http://dx.doi.org/10.1649/906.1.

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41

Spidle, A. P., S. T. Kalinowski, B. A. Lubinski, D. L. Perkins, K. F. Beland, J. F. Kocik, and T. L. King. "Population Structure of Atlantic Salmon in Maine with Reference to Populations from Atlantic Canada." Transactions of the American Fisheries Society 132, no. 2 (March 2003): 196–209. http://dx.doi.org/10.1577/1548-8659(2003)132<0196:psoasi>2.0.co;2.

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42

Nielsen, Clayton K., and Mark A. McCollough. "Considerations on the Use of Remote Cameras to Detect Canada Lynx in Northern Maine." Northeastern Naturalist 16, no. 1 (March 2009): 153–57. http://dx.doi.org/10.1656/045.016.0114.

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43

Pudden, Emily J., and David L. VanderZwaag. "Canada?USA Bilateral Fisheries Management in the Gulf of Maine: Under the Radar Screen." Review of European Community & International Environmental Law 16, no. 1 (April 2007): 36–44. http://dx.doi.org/10.1111/j.1467-9388.2007.00543.x.

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44

Maass, David I., Lloyd C. Irland, James L. Anderson, Kenneth M. Laustsen, Michael S. Greenwood, and Brian E. Roth. "Reassessing Potential for Exotic Larch in Northern United States." Journal of Forestry 118, no. 2 (January 20, 2020): 124–38. http://dx.doi.org/10.1093/jofore/fvz066.

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Abstract Abstract Field measurements of operational plantations and research plots demonstrate that growth rates of exotic larches in unmanaged stands can exceed 12 m3 per hectare per year in Maine and elsewhere. This paper briefly reviews the recent history of exotic larch (Larix decidua, L. kaempferi, and L. × marschlinsii) in northeastern United States and Canada. Stands can be commercially thinned as early as 15 years; further thinnings add to significant volume accumulation, based on stand table projections. Genetic development of the hybrid (L. × marschlinsii) could yield additional volume. Even at current low stumpage values, exotic larch plantations offer positive returns at realistic discount rates. In map form, we report a current inventory of known trials and operational plantings across the Northern United States, including adjacent Canada.

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Jensen, A., and T. F. D. Nielsen. "Blue cancrinite from South-East Greenland." Rapport Grønlands Geologiske Undersøgelse 161 (January 1, 1994): 5–10. http://dx.doi.org/10.34194/rapggu.v161.8238.

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Blue cancrinite intergrown with sodalite and albite has been found in nepheline syenite dykes in the Precambrian of South-East Greenland. Cabochons cut of the material show a blue colour with more or less pronounced aventurescence. Electron microprobe analysis and X-ray investigation have been carried out to establish the position in the cancrinite-vishnevite solid solution series. Trace elements have been determined by spectral analysis of the Greenland cancrinite as well as cancrinite from Litchfield Maine, USA and Bancroft. Ontario, Canada.

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Rochette, Rémy, Bernard Sainte-Marie, Marc Allain, Jackie Baker, Louis Bernatchez, Virginia Boudreau, Michel Comeau, et al. "The Lobster Node of the CFRN: co-constructed and collaborative research on productivity, stock structure, and connectivity in the American lobster (Homarus americanus)." Canadian Journal of Fisheries and Aquatic Sciences 75, no. 5 (May 2018): 813–24. http://dx.doi.org/10.1139/cjfas-2016-0426.

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In 2010, more than 20 associations representing harvesters from five provinces bordering the range of American lobster (Homarus americanus) in Canada, from the Gulf of Maine to southern Labrador, joined government research scientists at Fisheries and Oceans Canada (and one provincial department) and researchers from Canadian universities (two English- and four French-speaking) to establish the Lobster Node. This partnership was formed to address knowledge gaps on lobster productivity, stock structure, and connectivity through collaborative research under the auspices of the Canadian Fisheries Research Network (CFRN), which was funded by the Natural Sciences and Engineering Research Council of Canada. In so doing, the research partners overcame barriers of geography, language, culture, education, and, in some cases, longstanding disputes around management and conservation measures. This paper reviews why and how the Lobster Node was formed, what it achieved scientifically, what benefits (and challenges) it provided to the partners, and why it succeeded. It concludes by advocating for the creation of a permanent collaborative platform to conduct research in support of lobster fisheries in Canada.

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Nye, Janet A., Alida Bundy, Nancy Shackell, Kevin D. Friedland, and Jason S. Link. "Coherent trends in contiguous survey time-series of major ecological and commercial fish species in the Gulf of Maine ecosystem." ICES Journal of Marine Science 67, no. 1 (August 18, 2009): 26–40. http://dx.doi.org/10.1093/icesjms/fsp216.

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AbstractNye, J. A., Bundy, A., Shackell, N., Friedland, K. D., and Link, J. S. 2010. Coherent trends in contiguous survey time-series of major ecological and commercial fish species in the Gulf of Maine ecosystem. – ICES Journal of Marine Science, 67: 26–40. Fish are often delineated into distinct population or stock units that reflect human institutional borders more than ecological factors. In the Northwest Atlantic, there are many species in the broader Gulf of Maine area (GOMA), yet the area is surveyed and managed for the most part in the south by the United States and in the north by Canada. Biomass time-series of 19 representative fish species and total biomass from 7 different surveys conducted by the United States and Canada in the GOMA are compared. All species showed coherent trends in relative biomass across at least two survey time-series, and in many species a single trend could describe all time-series trends accurately. For instance, Canadian and the US time-series of Atlantic cod, Atlantic herring, haddock, thorny skate, and goosefish had comparable trends. Conversely, species such as longhorn sculpin and spiny dogfish showed differing survey time-series trends and asynchronous event timing, suggesting that their population dynamics differ spatially. Collectively, the results demonstrate the value of comparing time-series for common species from contiguous ecosystems and elucidate the relative importance of environmental and fishing factors on each species.

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Urban, Noel R., Steven J. Eisenreich, and Eville Gorham. "Aluminum, Iron, Zinc, and Lead in Bog Waters of Northeastern North America." Canadian Journal of Fisheries and Aquatic Sciences 44, no. 6 (June 1, 1987): 1165–72. http://dx.doi.org/10.1139/f87-139.

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Aluminum, iron, zinc, and lead were measured in 37 surface waters from 24 bogs along an east to west transect from Manitoba and Minnesota to Maine and the Atlantic Provinces of Canada. The major influence upon Al and Fe is atmospheric deposition of soil particles. Zinc and Pb are derived primarily from air pollution. Concentrations of Al and Fe in bog waters greatly exceed those in regional atmospheric precipitation; dry deposition and evaporative concentration are the likely explanations. Concentrations of Zn and Pb are less than those in precipitation, presumably due to sorption by peat.

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Putnam, JoAnne W., David E. Putnam, Bernard Jerome, and Ramona Jerome. "Cross-Cultural Collaboration for Locally Developed Indigenous Curriculum." International Journal of Multicultural Education 13, no. 2 (November 8, 2011). http://dx.doi.org/10.18251/ijme.v13i2.400.

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For over 400 years, Wabankaki children of Maine and eastern Canada have been assimilated into schools established by European immigrants. Low high school graduation rates, poor achievement outcomes, and overrepresentation of students in special education reveal an “invisible crisis” that threatens the survival of the indigenous culture and communities. Here we describe a collaborative cross-border project between the Gesgapegiag Mi’gmaq First Nation and northern Maine university professors that produced culturally based curricula in science and early childhood education. Our work involved indigenous ownership, cultural content, language, and instructional strategies.

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"Acleris variana. [Distribution map]." Distribution Maps of Plant Pests, June (August 1, 1989). http://dx.doi.org/10.1079/dmpp/20056600506.

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Abstract A new distribution map is provided for Acleris variana (Fernald) Lepidoptera: Tortricidae Black-headed budworm. Attacks Abies, Larix, Picea, Pseudotsuga, Tsuga Information is given on the geographical distribution in NORTH AMERICA, Canada, Manitoba, New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward Island, Quebec, Saskatchewan, USA, Connecticut, Maine, New York.

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Journal articles on the topic 'Canada maine'

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