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Journal articles on the topic 'Forest interior birds'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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1

Brand, L. Arriana, and T. Luke George. "Response of Passerine Birds to Forest Edge in Coast Redwood Forest Fragments." Auk 118, no. 3 (2001): 678–86. http://dx.doi.org/10.1093/auk/118.3.678.

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Abstract The response of passerine birds to forest edge was examined in old-growth and mature second-growth coast redwood (Sequoia sempivirens) forest in northern California. The study objectives were to determine which common passerine species are sensitive to edges during the breeding season and to estimate edge width for forest interior species. Response to edge was measured along twelve 100 × 400 m plots extending from the edge into the forest interior to obtain relative density of birds. Plots were surveyed 4 to 5 times in 1996 and 8 to10 times in 1997. We found that 14 common passerines

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2

Rąkowski, Grzegorz, and Krzysztof Czarnocki. "Breeding avifauna of the forest interior and forest edge in the Borki Forest." Forest Research Papers 80, no. 1 (2019): 23–43. http://dx.doi.org/10.2478/frp-2019-0003.

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Abstract The composition and structure of breeding bird communities in the Borki Forest in North-Eastern Poland were investigated separately in the forest interior (years 2012–2014) and at the forest edge (years 2016–2018). In both areas, bird censuses were carried out on three plots located in mature oak-hornbeam, ash-alder and mixed coniferous forest stands. Plots were selected to cover similar forest types, encompass stands of similar age and to have similar acreage, both, in the forest interior and at the forest edge. A standard combined mapping technique for estimating the number of breed

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3

Machar, Ivo, Martin Schlossarek, Vilem Pechanec, Lubos Uradnicek, Ludek Praus, and Ahmet Sıvacıoğlu. "Retention Forestry Supports Bird Diversity in Managed, Temperate Hardwood Floodplain Forests." Forests 10, no. 4 (2019): 300. http://dx.doi.org/10.3390/f10040300.

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The retention forestry approach is considered as one of the potentially effective tools for sustainable forest management for conservation of biodiversity in managed temperate and boreal forests. Retention of old-growth forest structures (e.g., very large old living trees) in forest stands during clear-cutting provides maintenance of key habitats for many old-growth forest interior-species. Most of ecological studies on green tree retention (GTR) consequences for biodiversity have been focused on birds. However, the long-term studies of GTR impacts on forest birds are very poor. In this paper,

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4

Lima, André De Mendonça, Solana Meneghel Boschilia, Jorge Bernardo Silva, and Ronei Baldissera. "Effect of habitat heterogeneity on bird assemblages in a grassland-forest ecotone in Brazil." Revista Acta Ambiental Catarinense 13, no. 1 (2016): 8. http://dx.doi.org/10.24021/raac.v13i1.3313.

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The present study evaluates differences in alpha and beta diversity and guild structure of bird assemblages along the ecotone between grassland and Araucaria forest in Southern Brazil. Birds were sampled by point counts (radius of 25 m) disposed in the grassland, in the grasslandforest edge, and in the forest interior, grouped in three blocks. Grassland presented low bird richness and abundance, and the bird composition and guild structure in grasslands were different from the edge and the forest interior. Grassland showed more granivores, while forest interior presented more omnivores, insect

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5

Sallabanks, Rex, Jeffrey R. Walters, and Jaime A. Collazo. "Breeding Bird Abundance in Bottomland Hardwood Forests: Habitat, Edge, and Patch Size Effects." Condor 102, no. 4 (2000): 748–58. http://dx.doi.org/10.1093/condor/102.4.748.

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AbstractWe studied breeding bird communities in extensive bottomland hardwood forests along the lower Roanoke River in North Carolina during 1992 and 1993. We documented a rich avian community and recorded exceptionally high densities of two species (Prothonotary Warbler Protonotaria citrea, Acadian Flycatcher Empidonax virescens), as well as modest densities of three species rarely encountered elsewhere in the region (Cerulean Warbler Dendroica cerulea, Swainson's Warbler Limnothlypis swainsonii, American Redstart Setophaga ruticilla). The effects of patch size and edge on bird abundance were

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6

Kardynal, K. J., J. L. Morissette, S. L. Van Wilgenburg, E. M. Bayne, and K. A. Hobson. "Avian responses to experimental harvest in southern boreal mixedwood shoreline forests: implications for riparian buffer management." Canadian Journal of Forest Research 41, no. 12 (2011): 2375–88. http://dx.doi.org/10.1139/x11-145.

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Conventional management of shoreline forest in harvested boreal landscapes involves retention of treed buffer strips to provide habitat for wildlife species and protect aquatic habitats from deleterious effects of harvesting. With shoreline forests being considered for harvest in several jurisdictions, it is important to determine the potential impacts of this disturbance on birds. In this study, responses of riparian- and upland-nesting birds to three levels of harvest (0%–50%, 50%–75%, and 75%–100% within 100 m of the water) in shoreline forests around boreal wetlands were assessed 1 year be

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7

Aitken, K. E. H., K. L. Wiebe, and K. Martin. "Nest-Site Reuse Patterns for a Cavity-Nesting Bird Community in Interior British Columbia." Auk 119, no. 2 (2002): 391–402. http://dx.doi.org/10.1093/auk/119.2.391.

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Abstract Most obligate cavity-nesting birds are considered to be nest-site limited, either by time or energy to excavate or to acquire suitable holes for nesting. We examined rates of nest-cavity reuse for a rich community of cavity-nesting birds in mixed forests in interior British Columbia. Using a sample of 402 cavity-reuse cases over five years, we measured cavity reuse for 20 cavity-nesting bird and mammal species (three guilds), and examined the relationship between nest-cavity reuse and features of cavities, nest trees, and forest stands. Eight percent of used cavities were destroyed be

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Villard, Marc-André, Fiona K. A. Schmiegelow, and M. Kurtis Trzcinski. "Short-Term Response of Forest Birds to Experimental Clearcut Edges." Auk 124, no. 3 (2007): 828–40. http://dx.doi.org/10.1093/auk/124.3.828.

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Abstract Numerous studies have addressed the potential consequences of increasing the density of edges through human activities, but most have documented responses to existing edges. Here, we monitored the response of seven forest bird species to experimentally created edges around five plots (10 ha, n = 3; 25 ha, n = 2) in the boreal mixed-wood forest of Alberta, Canada. We also mapped bird detections in six control plots (10 ha, n = 5; 25 ha, n = 1). The focal species were Least Flycatcher (Empidonax minimus), Red-eyed Vireo (Vireo olivaceus), Yellow-rumped Warbler (Dendroica coronata), Blac

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9

Green, Ronda J., and Carla P. Catterall. "The effects of forest clearing and regeneration on the fauna of Wivenhoe Park, south-east Queensland." Wildlife Research 25, no. 6 (1998): 677. http://dx.doi.org/10.1071/wr97016.

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The effects on terrestrial fauna of clearing, fragmentation and regeneration of eucalypt forest and woodland were investigated in a former cattle-grazing area of south-east Queensland. The abundance of species and higher taxa was compared among four major habitat types: interior of relatively mature forest, interior of earlier stages of regenerating forest, cleared pasture, and abrupt edges between the forest and cleared land. The regenerating sites were several decades old and consisted mainly of Eucalyptus saplings 3–6 m high, with a grassy understorey. Numbers of pitfall-trapped invertebrat

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10

WU, FEI, LUMING LIU, JIANLING FANG, RENGONG ZHANG, and XIAOJUN YANG. "Conservation value of human-modified forests for birds in mountainous regions of south-west China." Bird Conservation International 27, no. 2 (2016): 187–203. http://dx.doi.org/10.1017/s0959270916000058.

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SummaryMountain systems are often recognised as biodiversity hotspots; however, most montane forests are human-modified. Understanding the conservation value of human-modified forests is essential to mountain biodiversity conservation. In this study, mist-nets and point-counts were used to compare the bird communities of primary forests on ridges in the Ailao Mountains of Yunnan, China, and secondary forests, firewood forests, and pine plantations in nearby lower elevation zones. We found that community turnover among habitats was very high using both methods. Although the percentage of forest

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11

Hayes, Floyd E., and Ishmaelangelo Samad. "Diversity, abundance and seasonality of birds in a Caribbean pine plantation and native broad-leaved forest at Trinidad, West Indies." Bird Conservation International 8, no. 1 (1998): 67–87. http://dx.doi.org/10.1017/s0959270900003646.

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SummaryMonoculture plantations of exotic Caribbean pinePinus caribaeahave been planted extensively in many tropical countries, but little is known about the bird communities inhabiting them. From October 1995 to September 1996, we compared bird populations in a 37-ha stand of mature Caribbean pine forest (planted in 1972) with an adjacent, similar-sized stand of native broad-leaved forest at Mount Saint Benedict, Trinidad, West Indies. Ten censuses, each including 10 fixed-radius point counts (25 m radius, 10 minutes duration), were conducted simultaneously during different months of the year

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12

Berry, Lainie. "Edge effects on the distribution and abundance of birds in a southern Victorian forest." Wildlife Research 28, no. 3 (2001): 239. http://dx.doi.org/10.1071/wr00057.

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An important consequence of habitat fragmentation for wildlife communities is the effect of an increase in the ratio of habitat edge to interior. This study compares the bird communities at forest/farmland edges and in forest interior at Bunyip State Park, Victoria. Overall, there was a significantly higher number of bird species and individuals in forest edge than in forest interior sites. The greater diversity of species at edge sites appeared to be due to an increase in forest-edge specialists, as opposed to an influx of open-country species. Four bird species: the white-throated treecreepe

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13

Thurmond, Dagmar P., Karl V. Miller, and Thomas G. Harris. "Effect of Streamside Management Zone Width on Avifauna Communities." Southern Journal of Applied Forestry 19, no. 4 (1995): 166–69. http://dx.doi.org/10.1093/sjaf/19.4.166.

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Abstract We analyzed 2 yr of bird population data in streamside management zones (SMZs) of three widths (50 ft, 100 ft, and 164 ft), adjoining ≤5 yr old pine plantations, and mature riparian areas in the Georgia Upper Coastal Plain. We evaluated relationships between SMZ width and bird abundance and density. Breeding and wintering avifaunal abundance were greater in SMZs than in the surrounding pine plantation. Breeding forest interior birds and forest interior neotropical migrant species were abundant in the mature forest control, but were essentially absent in SMZs and pine plantations. Howe

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14

Austen, Madeline J. W., Charles M. Francis, Dawn M. Burke, and Michael S. W. Bradstreet. "Landscape Context and Fragmentation Effects on Forest Birds in Southern Ontario." Condor 103, no. 4 (2001): 701–14. http://dx.doi.org/10.1093/condor/103.4.701.

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Abstract We examined the effects of patch size, local forest cover, and regional forest cover on the numbers and species composition of forest birds detected during fixed-radius point counts in 287 forest patches in four replicate study areas in southern Ontario. Each study area consisted of two subareas differing in regional forest cover. The number of forest-interior species (as classified from the literature) detected per count, after controlling for forest patch size, tended to be higher in subareas with greater regional forest cover, but this effect was much stronger in some study areas t

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15

Forsman, Jukka T., Pasi Reunanen, Jukka Jokimäki, and Mikko Mönkkönen. "The effects of small-scale disturbance on forest birds: a meta-analysis." Canadian Journal of Forest Research 40, no. 9 (2010): 1833–42. http://dx.doi.org/10.1139/x10-126.

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Small-scale disturbance is a significant process in all major forest biomes. Some silvicultural practices, particularly group selection harvesting, intend to emulate natural small-scale disturbance by harvesting small clearcuts in the continuous forest. We conducted a meta-analysis on the effects of small-scale harvesting on North American breeding forest birds. We extracted species richness and relative abundance of several functional bird groups and guilds from published studies and compared them between gap-dominated and unlogged forest as a function of forest type and the size and age of t

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16

HOLBECH, LARS H. "The implications of selective logging and forest fragmentation for the conservation of avian diversity in evergreen forests of south-west Ghana." Bird Conservation International 15, no. 1 (2005): 27–52. http://dx.doi.org/10.1017/s0959270905000031.

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The urgent global objective of developing sustainable tropical forestry management practices, which also target biodiversity conservation, requires rapid comparative studies that address both biogeography and logging practices. This paper examines avifaunal implications (focusing on species diversity and composition) of forest fragmentation and selective logging, by comparing 15 selected reserved forests in south-west Ghana. The regeneration time since last logging varied from 0 (logging continuing) to 21 years, with one unlogged site as control. Extraction levels ranged between 0.20 and 3.75

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17

Neate-Clegg, Montague H. C., Emily C. Morshuis, and Cristina Banks-Leite. "Edge effects in the avifaunal community of riparian rain-forest tracts in Tropical North Queensland." Journal of Tropical Ecology 32, no. 4 (2016): 280–89. http://dx.doi.org/10.1017/s0266467416000249.

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AbstractMost evidence suggests anthropogenic edges negatively affect rain-forest bird communities but little has been done to test this in Australasia. In this study, avifaunal detection frequency, species richness and community composition were compared between the edge and interior and between flat and more complex-shaped edges of riparian rain-forest tracts in Tropical North Queensland. The detection frequency and richness of guilds based on diet, foraging strata and habitat specialism were also compared. This study detected 15.1% more birds at the rain-forest edge compared with the interio

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18

Mammides, Christos, Jin Chen, Uromi Manage Goodale, Sarath Wimalabandara Kotagama, Swati Sidhu, and Eben Goodale. "Does mixed-species flocking influence how birds respond to a gradient of land-use intensity?" Proceedings of the Royal Society B: Biological Sciences 282, no. 1811 (2015): 20151118. http://dx.doi.org/10.1098/rspb.2015.1118.

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Conservation biology is increasingly concerned with preserving interactions among species such as mutualisms in landscapes facing anthropogenic change. We investigated how one kind of mutualism, mixed-species bird flocks, influences the way in which birds respond to different habitat types of varying land-use intensity. We use data from a well-replicated, large-scale study in Sri Lanka and the Western Ghats of India, in which flocks were observed inside forest reserves, in ‘buffer zones' of degraded forest or timber plantations, and in areas of intensive agriculture. We find flocks affected th

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Fuller, Robert J. "Influence of Treefall Gaps on Distributions of Breeding Birds Within Interior Old-Growth Stands in Białowieża Forest, Poland." Condor 102, no. 2 (2000): 267–74. http://dx.doi.org/10.1093/condor/102.2.267.

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AbstractBreeding birds were counted using point counts at 50 treefall gaps and 50 closed-canopy sites within one of the largest tracts of old-growth forest in Europe. Numbers of species and individuals were slightly, but significantly, higher at gaps. Overall bird species composition differed substantially at gaps and non-gaps. Dunnock (Prunella modularis), Blackcap (Sylvia atricapilla), and Chiffchaff (Phylloscopus collybita) were significantly more abundant at gaps. Wood Warbler (Phylloscopus sibilatrix) and Red-breasted Flycatcher (Ficedula parva) were significantly more abundant at non-gap

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20

Willis, E. O. "Birds of a eucaliptos woodlot in interior São Paulo." Brazilian Journal of Biology 63, no. 1 (2003): 141–58. http://dx.doi.org/10.1590/s1519-69842003000100019.

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Some 255 birds were recorded between 1982-2001 in and near a 2314-ha "Horto" of old eucalyptus plantations with native understory and a lake, near Rio Claro, in central São Paulo, Brazil. This is close to the 263 recorded in and around a ten-times smaller nearby 230-ha woodlot of semideciduous forest. Different species were 44, for a total of 307 in both areas. One hundred and fifty nonvagrant forest and border species were recorded in 1982-86, a number close to the 152 in the small native woodlot. With dry years and logging of plots in 1985-93, 21 of the 150 species were lost, 42 species decr

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Lindsey, Barbara Rocha Arakaki, Gabriela Menezes Bochio, and Luiz dos Anjos. "Bird species that occupy river edge in continuous forest tend to be less sensitive to forest fragmentation." Revista Brasileira de Ornitologia 27, no. 3 (2019): 172–86. http://dx.doi.org/10.1007/bf03544468.

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AbstractAlong a distance gradient from a given river, two types of habitat can be recognized: natural river edge and forest interior, each one with its own vegetation characteristics and dynamics. In a continuous area of the Brazilian Atlantic Forest, we investigated (1) if bird communities are different between a riverbank of a small stream and an inland forest habitat; (2) if the species of the river edge habitat are the ones that persist in the most in forest fragments after deforestation of a continuous forest; (3) if the river edge habitat species are those that are less sensitive to fore

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Steventon, J. D., K. L. MacKenzie, and T. E. Mahon. "Response of small mammals and birds to partial cutting and clearcutting in northwest British Columbia." Forestry Chronicle 74, no. 5 (1998): 703–13. http://dx.doi.org/10.5558/tfc74703-5.

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A challenge facing forest managers is providing habitats for wildlife associated with mature or old-growth forests. One approach is to use partial cutting which maintains forest cover while still allowing timber harvest. We compared small mammal (voles, mice and shrews) and bird abundance after two intensities of partial cutting (30% and 60% volume removal) to clearcuts and uncut natural stands in coast-interior transitional forests of British Columbia. The 30% removal resulted in no significant difference in the bird community compared to the uncut stands, while southern red-backed voles (Cle

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23

Kirsch, Eileen M., and Brian R. Gray. "Differences in Breeding Bird Assemblages Related to Reed Canary Grass Cover and Forest Structure on the Upper Mississippi River." Journal of Fish and Wildlife Management 8, no. 1 (2017): 260–71. http://dx.doi.org/10.3996/012016-jfwm-002.

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Abstract Floodplain forest of the Upper Mississippi River provides habitat for an abundant and diverse breeding bird community. However, reed canary grass Phalaris arundinacea invasion is a serious threat to the future condition of this forest. Reed canary grass is a well-known aggressive invader of wetland systems in the northern tier states of the conterminous United States. Aided by altered flow regimes and nutrient inputs from agriculture, reed canary grass has formed dense stands in canopy gaps and forest edges, retarding tree regeneration. We sampled vegetation and breeding birds in Uppe

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Carfagno, Gerardo L. F., and Patrick J. Weatherhead. "Intraspecific and interspecific variation in use of forest-edge habitat by snakes." Canadian Journal of Zoology 84, no. 10 (2006): 1440–52. http://dx.doi.org/10.1139/z06-124.

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Variation in use of edge habitat among populations and species of snakes should reflect underlying causes (e.g., thermal ecology, prey availability) and consequences (e.g., predation on birds' nests) of habitat selection. We compared the habitat use of ratsnakes, Elaphe obsoleta (Say in James, 1823), in Illinois and Ontario and compared habitat use by ratsnakes and racers, Coluber constrictor (L., 1758), in Illinois. Ratsnakes in Illinois used upland forest more and forest edges less than ratsnakes in Ontario. Female ratsnakes in Illinois used edges less than males, regardless of their reprodu

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Schwab, Francis E., and A. R. E. Sinclair. "Biodiversity of diurnal breeding bird communities related to succession in the dry Douglas-fir forests of southeastern British Columbia." Canadian Journal of Forest Research 24, no. 10 (1994): 2034–40. http://dx.doi.org/10.1139/x94-261.

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To determine the relationship between bird biodiversity and succession, we recorded the presence and approximate numbers of breeding diurnal bird species on plots representing secondary vegetation succession in an area classified as the very dry, hot subzone of the Interior Douglas-fir Biogeoclimatic Zone: grass, shrub, young conifer, and mature Douglas-fir (Pseudotsugamenziesii (Mirb.) Franco)–ponderosa pine (Pinusponderosa Dougl. ex Laws.) forest. The number of species and individual birds increased with the successional age of plots, but young conifer plots had fewer bird species and indivi

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Haney, J. Christopher, David S. Lee, and Mark Wilbert. "A Half-Century Comparison of Breeding Birds in the Southern Appalachians." Condor 103, no. 2 (2001): 268–77. http://dx.doi.org/10.1093/condor/103.2.268.

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Abstract We evaluated long-term (∼50-year) change in a bird community of an extensively forested region of the southern Appalachian mountains in North Carolina and Tennessee. A species accumulation curve for a 1996–1998 survey identified a core of 50 breeding species in upper elevations of the Unicoi Mountains. Since a 1944–1946 survey, dominant species have remained identical, no species have disappeared, and mean ranked abundance of both short and long-distance migrants has not changed. Permanent residents, however, had decreased in rank by the late 1990s. Three “new” disturbance-dependent s

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Šipoš, Jan, Michaela Drozdová, and Pavel Drozd. "Effect of canopy openness on the pressure of predatory arthropods and birds on epigeic insects." Open Life Sciences 7, no. 6 (2012): 1021–29. http://dx.doi.org/10.2478/s11535-012-0093-5.

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AbstractAs canopy structure produces spatial heterogeneity of litter microclimatic conditions and thus is a crucial factor affecting ground insects, we hypothesized that low canopy openness has a positive effect on the activity of ground insect predators in forest and non-forest habitats. Blowfly larvae were used as bait along the canopy openness gradient (forest interior, forest edge, base of a solitary tree and meadow) and the attack rate was assessed after 30 min of exposure. Although the predation rate has a varying pattern throughout the year in different habitats, in contrast to previous

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Willson, Mary F., and Scott M. Gende. "Nesting Success of Forest Birds in Southeast Alaska and Adjacent Canada." Condor 102, no. 2 (2000): 314–24. http://dx.doi.org/10.1093/condor/102.2.314.

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Abstract Predation caused 78% of nest failures in coastal forests of southeast Alaska and interior forests of adjacent Canada. Nest success tended to be better in coastal than interior forests. Mayfield daily nest survival from predation on open-cup nests was higher in egg than nestling phase for most species. Species building large (thrush-sized) nests had lower Mayfield daily survival from predation than species building smaller (warbler-sized) nests, but there was no difference in daily survival (total and from predation only) among species nesting in different vegetation strata. Nesting su

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Batistela, Marciela, and Eliara Solange Müller. "Analysis of duet vocalizations in Myiothlypis leucoblephara (Aves, Parulidae)." Neotropical Biology and Conservation 14, no. 2 (2019): 297–311. http://dx.doi.org/10.3897/neotropical.14.e37655.

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Bird vocalizations might be used for specific recognition, territorial defense, and reproduction. Bioacoustic studies aim to understand the production, propagation and reception of acoustic signals, and they are an important component of research on animal behavior and evolution. In this study we analyzed the sound structure of duet vocalizations in pairs of Myiothlypis leucoblephara and evaluated whether the vocal variables differ among pairs and if there are differences in temporal characteristics and frequency of duets between pairs in forest edges vs. forest interior. Vocalizations were re

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Berry, Lainie. "Predation rates of artificial nests in the edge and interior of a southern Victorian forest." Wildlife Research 29, no. 4 (2002): 341. http://dx.doi.org/10.1071/wr01022.

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Predation rates of nests at human-induced habitat edges may be greater than in forest interior due to differences in predator assemblages and predator activity. I compared the predation rates on 192 artificial nests containing plasticine eggs placed in forest edge and interior sites at Bunyip State Park, Victoria. The nest-predation rates at the forest edge sites were significantly greater (mean = 52–58%) than that at the forest interior sites (mean = 30–39%). The relative rates of predation by birds compared with mammals were significantly greater at forest edge sites (mean = 78–94%) than at

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Baker, Jack, Ross L. Goldingay, and Robert J. Whelan. "Powerline easements through forests: a case study of impacts on avifauna." Pacific Conservation Biology 4, no. 1 (1998): 79. http://dx.doi.org/10.1071/pc980079.

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Powerline easements are typically a strip cleared of trees and tall vegetation to a width of approximately 50 m. They may affect avifauna by modification and fragmentation of forest habitat. We investigated the responses of the bird community to easements at three sites in southeastern Australia using 25 m radius point-counts spaced at 50 m intervals from the easement to 300 m inside the forest. The easements caused an absolute loss of habitat for forest avifauna, with abundance and species richness at the easement less than 20% of the forest values. Four species of easement opportunist and on

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Gatter, Wulf, and Roderick Gardner. "The biology of the Gola Malimbe Malimbus ballmanni Wolters 1974." Bird Conservation International 3, no. 2 (1993): 87–103. http://dx.doi.org/10.1017/s0959270900000824.

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SummaryThe Gola Malimbe Malimbus ballmanni survives in two general areas of Upper Guinea Forest, both focused in Liberia adjacent to easternmost Sierra Leone and westernmost Ivory Coast, where the species was first recorded in the 1970s. The eastern population extends over an area of at least 18,000 km2 and may consist of some 20,000 to 50,000 birds, the species being locally common in lowland rainforest. The western population covers at least 200–300 km2, but numbers are hard to judge. Both populations are under severe threat from habitat destruction, particularly the western. M. ballmanni an

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Pires, Luis Paulo, Vanessa Fonseca Gonçalves, Giancarlo Ângelo Ferreira, Flávio Roque Bernardes Camelo, and Celine de Melo. "Fruit colour and edge effects poorly explains frugivorous bird-plant interactions in disturbed semideciduous forests." Acta Scientiarum. Biological Sciences 40, no. 1 (2018): 40041. http://dx.doi.org/10.4025/actascibiolsci.v40i1.40041.

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Fruit colour is considered an important feature mediating interactions between plants and frugivorous birds. Despite that, colour mediated interactions are context-dependent, and habitat disturbances may affect how frugivorous birds perceive fruit colours. This study assessed the influence of fruit colour and edge effect on the consumption of artificial fruits by frugivorous birds in three disturbed semideciduous forests in southeastern Brazil. In each of those areas, we performed a field experiment in which we placed artificial fruits of three different colours on plants and recorded their co

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Gonçalves, VF, AM Silva, CQ Baesse, and C. Melo. "Frugivory and potential of birds as dispersers of Siparuna guianensis." Brazilian Journal of Biology 75, no. 2 (2015): 300–304. http://dx.doi.org/10.1590/1519-6984.11413.

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Siparuna guianensis is a neotropical tree species, found both on edge and interior of forest fragments, mainly on understory and regeneration areas. The fruit are zoochorous with a sweet aril. This work aims to determine the bird species that eat the fruits of S. guianensis in a semi deciduous forest fragment in Brazilian Cerrado and measure which species have the highest potential as seed dispersers. Seven individuals of S. guianensis were sampled, totaling 69 hours. A hundred and fifty four visits were registered by seven species of birds. Antilophia galeata had the biggest potential as seed

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Rodewald, Paul G., and Margaret C. Brittingham. "Stopover Habitat use by Spring Migrant Landbirds: The Roles of Habitat Structure, Leaf Development, and Food Availability." Auk 124, no. 3 (2007): 1063–74. http://dx.doi.org/10.1093/auk/124.3.1063.

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AbstractStopover habitat quality may influence the abundance of migrant landbirds, yet little is known about how spatial and temporal changes in stopover habitat quality influence the use of habitats by migrant landbirds. From late April to late May, 1997–1999, we surveyed migrant landbirds within five habitats (early successional shrub-sapling-stage forest, midsuccessional pole-stage forest, mature forest interior, mature forest-agricultural edge, and mature suburban forest) in central Pennsylvania. To assess relative quality of stopover habitats, we measured species abundance, species richne

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Mulyani, Y. A., N. F. Haneda, H. Purnomo, and A. Kaban. "Insectivorous Birds in Edge and Interior Habitats of Forest Plantation in Gunung Walat, Sukabumi." IOP Conference Series: Earth and Environmental Science 528 (July 22, 2020): 012026. http://dx.doi.org/10.1088/1755-1315/528/1/012026.

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Willson, Mary F., Toni L. De Santo, and Kathryn E. Sieving. "Red squirrels and predation risk to bird nests in northern forests." Canadian Journal of Zoology 81, no. 7 (2003): 1202–8. http://dx.doi.org/10.1139/z03-096.

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Red squirrels (Tamiasciurus hudsonicus) are important predators on bird nests in northern conifer forests, and previous work has shown that nest density of understory birds is low in these forests compared with deciduous forest. Here, we examine the relationships between the risk of squirrel predation and nest distribution at a smaller, within-habitat scale using both experimental and comparative studies. Female squirrels depredated experimental nests more quickly than males in interior forests near the Yukon British Columbia border, but after 2 weeks, there was no difference in the percenta

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Ford, Thomas B., Donald E. Winslow, Donald R. Whitehead, Matthew A. Koukol, and M. du Plessis. "Reproductive Success of Forest-Dependent Songbirds Near an Agricultural Corridor in South-Central Indiana." Auk 118, no. 4 (2001): 864–73. http://dx.doi.org/10.1093/auk/118.4.864.

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Abstract Potential source populations of forest-breeding Neotropical migrant birds may be threatened by anthropogenic changes that increase brood parasitism by Brown-headed Cowbirds (Molothrus ater) and nest predation in heavily forested breeding areas. In south-central Indiana, corridors of agriculture and rural development, ranging from <50 m to several thousand meters in width, penetrate interior portions of the heavily forested landscape. These corridors provide habitat for cowbirds and nest predators. We monitored breeding success of six species of Neotropical migrants and one resident

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Yackel Adams, Amy A., Melia G. Nafus, Page E. Klug, et al. "Contact rates with nesting birds before and after invasive snake removal: estimating the effects of trap-based control." NeoBiota 49 (July 22, 2019): 1–17. http://dx.doi.org/10.3897/neobiota.49.35592.

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Invasive predators are responsible for almost 60% of all vertebrate extinctions worldwide with the most vulnerable faunas occurring on islands. The brown treesnake (Boigairregularis) is a notorious invasive predator that caused the extirpation or extinction of most native forest birds on Guam. The success of avian reintroduction efforts on Guam will depend on whether snake-control techniques sufficiently reduce contact rates between brown treesnakes and reintroduced birds. Mouse-lure traps can successfully reduce brown treesnake populations at local scales. Over a 22-week period both with and

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Kaiser, Sara A., and Catherine A. Lindell. "Effects of Distance to Edge and Edge Type on Nestling Growth and Nest Survival in the Wood Thrush." Condor 109, no. 2 (2007): 288–303. http://dx.doi.org/10.1093/condor/109.2.288.

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Abstract Many studies investigating edge effects on forest-nesting birds have focused on nest success. Fewer have examined edge effects on other components of fitness. Nestling growth rates have been positively correlated with food availability, which may differ at edges compared to the forest interior. However, previous work has not examined growth as a function of distance to edge and edge type. We investigated whether edge type, distance to edge, hatching date, brood size, brood parasitism, year, and site influenced growth rates of wings, tarsi, and mass of nestling Wood Thrushes (Hylocichl

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Potvin, François, and Normand Bertrand. "Leaving forest strips in large clearcut landscapes of boreal forest: A management scenario suitable for wildlife?" Forestry Chronicle 80, no. 1 (2004): 44–53. http://dx.doi.org/10.5558/tfc80044-1.

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Riparian forest strips (RS) along lakes and streams have been incorporated in regulations on clearcuts to protect water quality and fish habitat. As well, upland strips (US) are used to limit the size of clearcut patches. We conducted a three-year study to evaluate if RS and US between adjacent cutovers in large clearcut landscapes could be useful for certain terrestrial wildlife. Our study was conducted in southcentral Québec on six landscapes (23–256 km2) originating from black spruce (Picea mariana) forests that were recently logged (≤ 9 years). Residual uncut forest, mostly strips (width =

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Van Wilgenburg, Steve L., Daniel F. Mazerolle, and Keith A. Hobson. "Patterns of arthropod abundance, vegetation, and microclimate at boreal forest edge and interior in two landscapes: Implications for forest birds." Écoscience 8, no. 4 (2001): 454–61. http://dx.doi.org/10.1080/11956860.2001.11682675.

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Talbott, Susan C., and Richard H. Yahner. "Temporal and Spatial Use of Even-Aged Reproduction Stands by Bird Communities in Central Pennsylvania." Northern Journal of Applied Forestry 20, no. 3 (2003): 117–23. http://dx.doi.org/10.1093/njaf/20.3.117.

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Abstract In 1992, the Pennsylvania Bureau of Forestry adopted a new forest management practice known as even-aged reproduction with reservation (EAR), which replaces clearcutting on state forestlands. The EAR guidelines mandate the retention of at least 12 trees/ha and 24–36 m2/ha of basal area, representing a diversity of overstory and understory species. During summer 1998, we compared the temporal (breeding season vs. mid-summer) and spatial (edge versus interior) use of EAR stands by birds. In addition, we compared observed vs. expected use of overstory trees in EAR stands. In each of ten

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Mazerolle, Daniel F., and Keith A. Hobson. "Do Ovenbirds (Seiurus Aurocapillus) Avoid Boreal Forest Edges? A Spatiotemporal Analysis in an Agricultural Landscape." Auk 120, no. 1 (2003): 152–62. http://dx.doi.org/10.1093/auk/120.1.152.

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Abstract Previous studies suggest that Ovenbirds (Seiurus aurocapillus) are area sensitive and apparently avoid forest edges. In 1999 and 2000, we used radiotelemetry to investigate how breeding male Ovenbirds respond to forest edges. Twenty-one males with home ranges abutting edges of seven forest fragments surrounded by agriculture were tracked for an average of two weeks. We found that sightings of males were situated 8 ± 10 m closer to edges than random locations within each home range. However, the mean time of day for edge sightings (1139 hours, 95% CI = 1052–1227 hours) occurred signifi

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DELONG, ALLISON KIMBER, and ROLAND H. LAMBERSON. "A HABITAT BASED MODEL FOR THE DISTRIBUTION OF FOREST INTERIOR NESTING BIRDS IN A FRAGMENTED LANDSCAPE." Natural Resource Modeling 12, no. 1 (2008): 129–46. http://dx.doi.org/10.1111/j.1939-7445.1999.tb00006.x.

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Fraser, Kevin C., Emily A. McKinnon, Antony W. Diamond, and Liliana Chavarría. "The influence of microhabitat, moisture and diet on stable-hydrogen isotope variation in a Neotropical avian food web." Journal of Tropical Ecology 27, no. 6 (2011): 563–72. http://dx.doi.org/10.1017/s0266467411000332.

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Abstract:The application of stable-hydrogen isotope (δD) measurements to the study of animal movement, resource use and physiology depends on understanding factors driving variation in δD in animal tissues. The source of micro-scale variation in δD is poorly known, yet understanding micro-scale patterns of δD could shed light on important ecological processes and improve our abilities to track animal movements. Using linear and additive models, we explored the influence of micro-scale habitat use, moisture and diet on tissue δD values of Nicaraguan cloud-forest birds. Using mist nets, we captu

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DellaSala, Dominick A., James R. Strittholt, Rebecca Degagne, et al. "Red-Listed Ecosystem Status of Interior Wetbelt and Inland Temperate Rainforest of British Columbia, Canada." Land 10, no. 8 (2021): 775. http://dx.doi.org/10.3390/land10080775.

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The Interior Wetbelt (IWB) of British Columbia, which includes the globally rare Inland Temperate Rainforest (ITR), contains primary forests poorly attributed and neglected in conservation planning. We evaluated the IWB and ITR using four IUCN Red List of Ecosystems Criteria: geographic distribution, environmental degradation (abiotic and biotic factors), and likelihood of ecosystem collapse. Clearcut logging (3.2M ha) represented 57% of all anthropogenic disturbances, reducing potential primary forest by 2.7 million ha (28%) for the IWB and 524,003 ha (39%) for the ITR. Decadal logging rates

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Larue, Pierre, Louis Bélanger, and Jean Huot. "Riparian edge effects on boreal balsam fir bird communities." Canadian Journal of Forest Research 25, no. 4 (1995): 555–66. http://dx.doi.org/10.1139/x95-063.

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Riparian forests are often identified as prime habitat for wildlife because of the presence of particular plant communities and edges creating a highly developed and diversified vegetation structure. However, in the northeastern boreal forests of Canada, where narrow land–water ecotones with abrupt edges are quite common, the relative habitat value of riparian forests remains to be demonstrated. We compared bird communities of eight pairs of riparian and nonriparian plots, similar in vegetation structure and composition, to verify the relative value for breeding birds of typical coniferous rip

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Piper, S., C. P. Catterall, and M. F. Olsen. "Does adjacent land use affect predation of artificial shrub-nests near eucalypt forest edges?" Wildlife Research 29, no. 2 (2002): 127. http://dx.doi.org/10.1071/wr01072.

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Edge-related increases in nest-predation levels were tested using artificial nests placed within eucalypt forest remnants at distances of 0, 60, and 235 m from edges adjacent to areas of urban, pasture, and Pinus plantation. There were eight replicate sites of each edge type, scattered widely across a 30 000-km2 study region. Open-cup nests containing one quail egg and two plasticine eggs were placed in shrubs and exposed for 6 days. When predation of the quail egg was used to calculate predation levels, predation varied significantly with edge type but not distance to the edge, due to relativ

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Sieving, Kathryn E., and Mary F. Willson. "A temporal shift in Steller's jay predation on bird eggs." Canadian Journal of Zoology 77, no. 11 (1999): 1829–34. http://dx.doi.org/10.1139/z99-150.

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Artificial-nest experiments conducted near Juneau, Alaska, indicated that Steller's jays (Cyanocitta stelleri) may undergo a marked shift in foraging pattern and possibly nest-predation behavior triggered by fledging of their own chicks. In an early-June sampling of predation on artificial nests containing quail eggs, egg losses and jay activity levels were significantly higher in forest adjacent to human-created edge than in undisturbed interior forest. In a late-June sampling, however, nest predation near edges was significantly reduced, and this was correlated with a drop in jay activity (d

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