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Journal articles on the topic 'Fox population dynamics'

Author: Grafiati

Published: 4 June 2021

Last updated: 5 February 2022

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1

Kinnear, J. E., M. L. Onus, and R. N. Bromilow. "Fox control and rock-wallaby population dynamics." Wildlife Research 15, no. 4 (1988): 435. http://dx.doi.org/10.1071/wr9880435.

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The population dynamics of five remnant rock-wallaby populations (Petrogale lateralis) persisting on granite outcrops in the central wheatbelt region of Western Australia were monitored over a six year period. From 1979 to 1982 all populations remained relatively static or declined for unknown reasons, but circumstantial evidence implicated fox predation. A fox control program was implemented in 1982 on two outcrops and was maintained for four years with the result that the two resident rock-wallaby populations increased by 138 and 223%. Two rock-wallaby populations occupying sites not subject

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2

Kinnear, J. E., M. L. Onus, and Neil R. Sumner. "Fox control and rock-wallaby population dynamics — II. An update." Wildlife Research 25, no. 1 (1998): 81. http://dx.doi.org/10.1071/wr96072.

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Five remnant populations of rock-wallabies (Petrogale lateralis) in the Western Australian wheatbelt have been the subjects of an experiment designed to assess the impact of fox predation on the population dynamics of this species. The effect of a fox-control programme, initiated in 1982 at two rock-wallaby sites, was first assessed in 1986 along with three other sites not subject to fox control. It was concluded that fox predation was the principal factor limiting the size and distribution of P. lateralis populations. In 1990 after a further four years of fox control, the experiment was reass

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3

White, P. J., and Robert A. Garrott. "Population dynamics of kit foxes." Canadian Journal of Zoology 77, no. 3 (1999): 486–93. http://dx.doi.org/10.1139/z99-007.

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We evaluated data from field studies of kit foxes to identify factors that strongly influence or regulate their population dynamics. Two density-dependent regulating mechanisms were detected. First, the rate of juvenile recruitment was inversely related to the density of adult foxes because a higher proportion of juveniles were killed by coyotes at higher fox densities. The mortality rates of adult foxes were independent of population density. Second, populations of kit foxes are bounded by their territorial spacing behavior, which limits recruitment at high densities. These regulatory factors

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4

White, P. J., and Robert A. Garrott. "Factors regulating kit fox populations." Canadian Journal of Zoology 75, no. 12 (1997): 1982–88. http://dx.doi.org/10.1139/z97-830.

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Recent declines in several populations of kit foxes (Vulpes macrotis) have been attributed to decreased prey abundance and increased coyote-related mortalities. However, it is not known if short-term fluctuations in prey abundance or interference competition by coyotes can regulate the population dynamics of kit foxes. We coalesced data from all pertinent studies of kit and swift foxes and examined their numerical responses to changes in prey abundance. We also explored the influence of coyote-related mortalities on fox population dynamics. Fox density was positively correlated with leporid ab

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5

Goszczyński, Jacek. "Population dynamics of the red fox in central Poland." Acta Theriologica 34 (May 12, 1989): 141–54. http://dx.doi.org/10.4098/at.arch.89-10.

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6

Shirley, Mark D. F., Bodil Elmhagen, Peter W. W. Lurz, Steve P. Rushton, and Anders Angerbjörn. "Modelling the spatial population dynamics of arctic foxes: the effects of red foxes and microtine cycles." Canadian Journal of Zoology 87, no. 12 (2009): 1170–83. http://dx.doi.org/10.1139/z09-104.

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The Fennoscandian arctic fox ( Vulpes lagopus (L., 1758)) population is critically endangered, possibly because of increased interference competition from red foxes ( Vulpes vulpes (L., 1758)) and fading cycles in microtine rodents, which cause food shortage. It is not known how these factors drive arctic fox population trends. To test their role in arctic fox decline, we developed a spatially explicit and individual-based model that allowed us to simulate fox interactions and food availability in a real landscape. A sensitivity analysis revealed that simulated arctic fox population size and d

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7

Roth, James D. "Variability in marine resources affects arctic fox population dynamics." Journal of Animal Ecology 72, no. 4 (2003): 668–76. http://dx.doi.org/10.1046/j.1365-2656.2003.00739.x.

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8

Hone, Jim. "Fox control and rock-wallaby population dynamics - assumptions and hypotheses." Wildlife Research 26, no. 5 (1999): 671. http://dx.doi.org/10.1071/wr98083.

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Previous studies have demonstrated that the abundance of rock-wallabies can increase after fox control. The assumptions made to explain the increases are examined. Testable hypotheses are described to explain the observed increases. Testing of the hypotheses is encouraged.

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9

Porteus, Tom A., Jonathan C. Reynolds, and Murdoch K. McAllister. "Modelling the rate of successful search of red foxes during population control." Wildlife Research 46, no. 4 (2019): 285. http://dx.doi.org/10.1071/wr18025.

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Context Relative abundance indices of wildlife can be scaled to give estimates of absolute abundance. Choice of scaling parameter depends on the data available and assumptions made about the relationship between the index and absolute abundance. Predation-mechanics theory suggests that a parameterisation involving the rate of successful search, s, will be useful where the area searched is unknown. An example arises during fox culling on shooting estates in Britain, where detection and cull data from gamekeepers using a spotlight and rifle are available, and can potentially be used to understan

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10

Lonsinger, Robert C., Bryan M. Kluever, Lucas K. Hall, et al. "Conservation of Kit Foxes in the Great Basin Desert: Review and Recommendations." Journal of Fish and Wildlife Management 11, no. 2 (2020): 679–98. http://dx.doi.org/10.3996/jfwm-20-025.

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Abstract The kit fox Vulpes macrotis is a species of concern to land managers in the Great Basin Desert of North America. Once common, kit foxes have declined from historical levels. Research on kit foxes in western Utah has spanned nearly 70 y and has potential to inform management and conservation within the Central Basin and Range Ecoregion of the Great Basin Desert. We conducted a systematic literature review on the northern kit fox subspecies V. m. nevadensis. We focused on studies conducted in the Central Basin and Range Ecoregion, which represents the majority of the Great Basin Desert,

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11

Norton, Melinda A., Alison Prentice, Juliet Dingle, Kris French, and Andrew W. Claridge. "Population characteristics and management of the long-nosed potoroo (Potorous tridactylus) in high-quality habitat in the Southern Highlands of New South Wales." Australian Mammalogy 37, no. 1 (2015): 67. http://dx.doi.org/10.1071/am14026.

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Since European settlement in Australia the long-nosed potoroo (Potorous tridactylus) has suffered greatly from fox predation and habitat loss, fragmentation and degradation. To better understand the threats it faces we examined the population dynamics of the potoroo at two study sites in the Southern Highlands of New South Wales over five years, using live-trapping. As neither site had experienced inappropriate habitat change for over 25 years, fox predation was considered the major threat to this population. An assessment of fox activity and diet was undertaken at both sites for comparison wi

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Read, John, and Zoë Bowen. "Population dynamics, diet and aspects of the biology of feral cats and foxes in arid South Australia." Wildlife Research 28, no. 2 (2001): 195. http://dx.doi.org/10.1071/wr99065.

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Average cat and fox densities at Roxby Downs, in northern South Australia, of 0.8 and 0.6 km–2 respectively, determined through spotlight counts over a 10-year period, probably considerably underestimate true densities. Peak rabbit populations coincided with high fox numbers, which probably suppressed cat densities. Cat abundance peaked when fox numbers were low but rabbit numbers were relatively high. When abundant, rabbits were the principal prey of both cats and foxes. Declines in rabbits numbers coincided with dramatic declines in fox numbers. By contrast, declines in cat populations were

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13

Lozano, J., J. G. Casanovas, E. Virgós, and J. M. Zorrilla. "The competitor release effect applied to carnivore species: how red foxes can increase in numbers when persecuted." Animal Biodiversity and Conservation 36, no. 1 (2013): 37–46. http://dx.doi.org/10.32800/abc.2013.36.0037.

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The objective of our study was to numerically simulate the population dynamics of a hypothetical community of three species of small to medium–sized carnivores subjected to non–selective control within the context of the competitor release effect (CRE). We applied the CRE to three carnivore species, linking interspecific competition with predator control efforts. We predicted the population response of European badger, the red fox and the pine marten to this wildlife management tool by means of numerical simulations. The theoretical responses differed depending on the intrinsic rate of growth

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14

Neverova, G. P., O. L. Zhdanova, and E. Ya Frisman. "Dynamics of Predator-Prey Community with Age Structures and Its Changing Due To Harvesting." Mathematical Biology and Bioinformatics 15, no. 1 (2020): 73–92. http://dx.doi.org/10.17537/2020.15.73.

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The paper studies dynamic modes of discrete-time model of structured predator-prey community like “arctic fox – rodent” and changing its dynamic modes due to interspecific interaction. We paid special attention to the analysis of situations in which changes in the dynamic modes are possible. In particularly, 3-cycle emerging in prey population can result in predator extinction. Moreover, this solution corresponding to an incomplete community simultaneously coexists with the solution describing dynamics of complete community, which can be both stable and unstable. The anthropogenic impact on th

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Neverova, G. P., O. L. Zhdanova, and E. Ya Frisman. "Dynamics of Predator-Prey Community with Age Structures and Its Changing Due To Harvesting." Mathematical Biology and Bioinformatics 15, no. 1 (2020): 73–92. http://dx.doi.org/10.17537/2020.20.73.

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The paper studies dynamic modes of discrete-time model of structured predator-prey community like “arctic fox – rodent” and changing its dynamic modes due to interspecific interaction. We paid special attention to the analysis of situations in which changes in the dynamic modes are possible. In particularly, 3-cycle emerging in prey population can result in predator extinction. Moreover, this solution corresponding to an incomplete community simultaneously coexists with the solution describing dynamics of complete community, which can be both stable and unstable. The anthropogenic impact on th

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16

Fox, Samantha, Jon Luly, Catlin Mitchell, Jenny Maclean, and David A. Westcott. "Demographic indications of decline in the spectacled flying fox (Pteropus conspicillatus) on the Atherton Tablelands of northern Queensland." Wildlife Research 35, no. 5 (2008): 417. http://dx.doi.org/10.1071/wr07127.

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A lack of information about the spectacled flying fox (Pteropus conspicillatus) makes management and conservation of this vulnerable species difficult. The analysis of population dynamics using life-history traits and life tables is widely used in planning for the conservation and management of wildlife. In the present study, the first life table for any species of bat is provided and age estimates derived from counts of annual increments in tooth cementum rings are used to assess population trends and life-history traits in the spectacled flying fox on the Atherton Tablelands in north Queensl

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17

Pech, R. P., A. R. E. Sinclair, and A. E. Newsome. "Predation models for primary and secondary prey species." Wildlife Research 22, no. 1 (1995): 55. http://dx.doi.org/10.1071/wr9950055.

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In Australia, the red fox (Vulpes vulpes) is a generalist predator of European rabbits (Oryctolagus cuniculus) and a range of small to medium-sized native species. The available evidence suggests that foxes are capable of regulating rabbits in semi-arid environments but their role in the population dynamics of other prey species is not clear. A series of models, and associated experimental tests, that compare the effects of predation on primary and secondary prey species are described. The models are appropriate to the time scale of prey dynamics and differ from recent predator–prey models tha

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18

Neverova, G. P., O. L. Zhdanova, and E. Ya Frisman. "Modeling the Dynamics of Predator-Prey Community with Age Structures." Mathematical Biology and Bioinformatics 14, no. 1 (2019): 77–93. http://dx.doi.org/10.17537/2019.14.77.

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A model of the predator-prey community has been proposed with specific stages of individual development and the seasonality of breeding processes. It is assumed each of the species has an age structure with two stages of development. The case typical for the community “Arctic fox – rodents” is modeled. An analytical and numerical study of the model proposed is made. It is shown that periodic, quasi-periodic and chaotic oscillations can occur in the system, as well as a shift in the dynamics mode as a result of changes in the current sizes of the community’s populations. The model proposed demo

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19

Gomo, Gjermund, Jenny Mattisson, Lars Rød-Eriksen, Nina E. Eide, and Morten Odden. "Spatiotemporal patterns of red fox scavenging in forest and tundra: the influence of prey fluctuations and winter conditions." Mammal Research 66, no. 2 (2021): 257–65. http://dx.doi.org/10.1007/s13364-021-00566-7.

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AbstractConcern has been raised regarding red fox (Vulpes Vulpes) population increase and range expansion into alpine tundra, directly and indirectly enhanced by human activities, including carrion supply, and its negative impact on native fauna. In this study, we used cameras on bait stations and hunting remains to investigate how spatiotemporal patterns of red fox scavenging were influenced by abundance and accessibility of live prey, i.e., small rodent population cycles, snow depth, and primary productivity. We found contrasting patterns of scavenging between habitats during winter. In alpi

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20

Scroggie, Michael P., David M. Forsyth, Steven R. McPhee, et al. "Invasive prey controlling invasive predators? European rabbit abundance does not determine red fox population dynamics." Journal of Applied Ecology 55, no. 6 (2018): 2621–31. http://dx.doi.org/10.1111/1365-2664.13253.

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21

Uraguchi, Kohji, and Keninchi Takahashi. "Population dynamics of the red fox and the epidemic of sarcoptic mange in Nemuro, Japan." Medical Entomology and Zoology 51, no. 2 (2000): 113. http://dx.doi.org/10.7601/mez.51.113_3.

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22

Schmidt, Niels M., Rolf A. Ims, Toke T. Høye, et al. "Response of an arctic predator guild to collapsing lemming cycles." Proceedings of the Royal Society B: Biological Sciences 279, no. 1746 (2012): 4417–22. http://dx.doi.org/10.1098/rspb.2012.1490.

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Alpine and arctic lemming populations appear to be highly sensitive to climate change, and when faced with warmer and shorter winters, their well-known high-amplitude population cycles may collapse. Being keystone species in tundra ecosystems, changed lemming dynamics may convey significant knock-on effects on trophically linked species. Here, we analyse long-term (1988–2010), community-wide monitoring data from two sites in high-arctic Greenland and document how a collapse in collared lemming cyclicity affects the population dynamics of the predator guild. Dramatic changes were observed in tw

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23

Orrock, John L., and Robert J. Fletcher. "An island-wide predator manipulation reveals immediate and long-lasting matching of risk by prey." Proceedings of the Royal Society B: Biological Sciences 281, no. 1784 (2014): 20140391. http://dx.doi.org/10.1098/rspb.2014.0391.

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Anti-predator behaviour affects prey population dynamics, mediates cascading effects in food webs and influences the likelihood of rapid extinctions. Predator manipulations in natural settings provide a rare opportunity to understand how prey anti-predator behaviour is affected by large-scale changes in predators. Here, we couple a long-term, island-wide manipulation of an important rodent predator, the island fox ( Urocyon littoralis ), with nearly 6 years of measurements on foraging by deer mice ( Peromyscus maniculatus ) to provide unequivocal evidence that prey closely match their foraging

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Florian, M. L. E., and Lesley Manning. "SEM analysis of irregular fungal fox spots in an 1854 book: population dynamics and species identification." International Biodeterioration & Biodegradation 46, no. 3 (2000): 205–20. http://dx.doi.org/10.1016/s0964-8305(00)00062-7.

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25

Sklueva, Olga Aleksandrovna, Valeriy Vitalyevich Sklyuev, and Rafik Ibragimovich Khakimov. "Red fox sex ratio and changes in the number in the Krasnoarmeisky District of the Samara Region." Samara Journal of Science 7, no. 2 (2018): 111–15. http://dx.doi.org/10.17816/snv201872122.

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The paper presents some data on the red fox ( Vulpes vulpes , Linnaeus, 1758) sex ratio in the Krasnoarmeysky District of the Samara Region. The results of winter trails traces of mammals show the placement of individual sites of males and females. The authors consider relationship between the population dynamics, sex and age composition and the placement of individual sites. Some aspects of behavioral adaptations and causes of changes in the number of animals in the study area are considered. The influence of a poaching factor on the dynamic indicators of the studied population and the possib

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Erb, John, Nils Chr Stenseth, and Mark S. Boyce. "Geographic variation in population cycles of Canadian muskrats (Ondatra zibethicus)." Canadian Journal of Zoology 78, no. 6 (2000): 1009–16. http://dx.doi.org/10.1139/z00-027.

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We investigated the dynamic properties of population cycles in Canadian muskrats (Ondatra zibethicus). Ninety-one historic time series of muskrat-harvest data obtained from the Hudson's Bay Company Archives were analyzed. Most series were 25 years in length (19251949) and were distributed primarily throughout five ecozones. For each series, we estimated period length and coefficients for a second-order autoregressive model. Estimated period length varied between 3 and 13 years, with 3- to 5-year periods located in Subarctic-Arctic ecozones. We hypothesize that the 4-year cycles are largely a

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Moseby, K. E., H. Owens, R. Brandle, J. K. Bice, and J. Gates. "Variation in population dynamics and movement patterns between two geographically isolated populations of the dusky hopping mouse (Notomys fuscus)." Wildlife Research 33, no. 3 (2006): 223. http://dx.doi.org/10.1071/wr05034.

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The ecology of the dusky hopping mouse (Notomys fuscus) was studied at Pelican Waterhole in south-west Queensland and Montecollina Bore in north-east South Australia over an eight-year period. Population parameters of N. fuscus differed markedly between the two study sites. Whilst the population at Montecollina Bore exhibited large fluctuations in size, captures at Pelican Waterhole were lower but more consistent. Recaptures between sessions at Montecollina Bore peaked at 60% but no individuals were recaptured at Pelican Waterhole. No evidence of seasonal breeding was recorded at either site.

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Jahren, Torfinn, Morten Odden, John D. C. Linnell, and Manuela Panzacchi. "The impact of human land use and landscape productivity on population dynamics of red fox in southeastern Norway." Mammal Research 65, no. 3 (2020): 503–16. http://dx.doi.org/10.1007/s13364-020-00494-y.

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29

Vergara-Tabares, David L., Juan I. Whitworth-Hulse, and Guillermo Funes. "Germination response of Lithraea molleoides seeds is similar after passage through the guts of several avian and a single mammalian disperser." Botany 96, no. 7 (2018): 485–90. http://dx.doi.org/10.1139/cjb-2017-0232.

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Seed dispersal by vertebrate frugivores plays an important role in plant population dynamics and community structure. The gut treatment may modify the germination response of seeds; often the specific effects of seed ingestion are not consistent among frugivorous taxa. In the Chaco mountain woodlands of Argentina, an ecosystem threatened by human activities, frugivorous birds enhance the seed germination of the most abundant fleshy-fruited plants. However, the effect of the identity of dispersers on seed germination remains unknown. In this work, we evaluated and compared the seed germination

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Novytskiy, V. P., V. M. Kondtratiuk, and I. S. Mytyay. "Common partridge (Perdix perdix L.) in agrolandscapes of Central Ukraine: population dynamics and environmental implications." Ukrainian Journal of Ecology 10, no. 6 (2020): 269–71. http://dx.doi.org/10.15421/2020_292.

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The analysis of the common partridge number dynamics during the first 15 years of the XXI century testified to its moderately fluctuating type with a tendency to dynamic reduction from 2000 to 2007. During the next 7-year period, there was a certain stabilization of the local population, which formed the lower plateau of indices within the range from 3.72 to 4.77 thousand individuals in 2007 and 2014, respectively. A 4-year cyclicity in changes of the local partridge cenopopulation dynamics was revealed. In general, 1-4 years of recession were followed by 1-2 years of relatively insignificant

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Wakely, L. G., and F. F. Mallory. "Hierarchical development, agonistic behaviours, and growth rates in captive arctic fox." Canadian Journal of Zoology 66, no. 7 (1988): 1672–78. http://dx.doi.org/10.1139/z88-241.

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Six arctic fox (Alopex lagopus) kits were captured during July 1985 near Eskimo Point, N.W.T., and housed in large outside pens at Laurentian University, Sudbury, Ontario, Canada. Growth rates indicated that the species is sexually dimorphic: adult males were 7.5% larger than females. Juvenile hierarchies were nonlinear and dominant individuals were associated with neither a particular sex nor weight class. However, after fall equinox when animals had reached adult size, hierarchies became linear, and the dominant individuals were the heaviest males. Analysis of agonistic interactions indicate

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Goncharova, O. V. "Population dynamics of the red fox (Vulpes vulpes Linnaeus, 1758) in Western Siberia in the 17th and 20th centuries." Contemporary Problems of Ecology 7, no. 2 (2014): 170–74. http://dx.doi.org/10.1134/s199542551402005x.

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Farkas, Péter, Szilvia Kusza, and István Majzinger. "The importance of predator species in the population dynamics of the Brown hares (Lepus europaeus, Pallas 1778) – Literature review." Acta Agraria Debreceniensis, no. 73 (August 29, 2017): 43–49. http://dx.doi.org/10.34101/actaagrar/73/1625.

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One of the conditions for successful small game management is the good management of predator species. The predator species play an important role in the sustainable utilization of the domestic brown hare populations. A portion of these species are under nature protection and with the rest of the species can be utilizing by the wildlife management professionals. Important prey species of brown hares: perspective are red fox, domestic dog and domestic cat. Based on latest date of the National Game Management Database in hunting bags increasing every year the number of the European badger, the s

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Flis, Marian, Jerzy Zarzeczny, Eugeniusz R. Grela, and Dariusz Gugała. "Rabies in Lublin Voivodeship: Effectiveness of prophylactic vaccination of free-living foxes and its impact on wild animal population in the last decade." Medycyna Weterynaryjna 72, no. 8 (2016): 511–15. http://dx.doi.org/10.21521/mw.5543.

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The aim of the study was to evaluate the epizootic situation of rabies in Lublin Voivodeship in a ten-year period (2005-2014) of a prophylactic vaccination of foxes, against the background of the population dynamics of the species, which is the primary vector of the virus. In addition, an evaluation of the effectiveness and costs of preventive measures was carried out. During the assessment period, despite a fluctuating distribution of the virus occurrence in wild and domestic animals, there was a relative stabilization in the number of reported rabies cases. As in previous years, the primary

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Plowright, Raina K., Patrick Foley, Hume E. Field, et al. "Urban habituation, ecological connectivity and epidemic dampening: the emergence of Hendra virus from flying foxes ( Pteropus spp.)." Proceedings of the Royal Society B: Biological Sciences 278, no. 1725 (2011): 3703–12. http://dx.doi.org/10.1098/rspb.2011.0522.

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Anthropogenic environmental change is often implicated in the emergence of new zoonoses from wildlife; however, there is little mechanistic understanding of these causal links. Here, we examine the transmission dynamics of an emerging zoonotic paramyxovirus, Hendra virus (HeV), in its endemic host, Australian Pteropus bats (fruit bats or flying foxes). HeV is a biosecurity level 4 (BSL-4) pathogen, with a high case-fatality rate in humans and horses. With models parametrized from field and laboratory data, we explore a set of probable contributory mechanisms that explain the spatial and tempor

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Travaini, Alejandro, Javier Juste, Andrés J. Novaro, and Angel F. Capurro. "Sexual dimorphism and sex identification in the South American culpeo fox, Pseudalopex culpaeus (Carnivora : Canidae)." Wildlife Research 27, no. 6 (2000): 669. http://dx.doi.org/10.1071/wr99064.

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Sexual dimorphism is analysed in skulls of the culpeo fox, Pseudalopex culpaeus, through multivariate and univariate approaches. The species shows a moderate level of sexual dimorphism with most cranial variables being, on average, 5% larger in males. Equations are obtained for inferring the sex of skulls of juvenile, subadult and adult culpeo foxes. The equations are based on a reduced set of variables obtained from stepwise discriminant analyses by age class on skull measurements. The discriminant power of all functions is estimated on the basis of a jackknife reclassification procedure. Cor

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Gonzalez, Cintia Manzano, Pascual Balsalobre, David Serrano, et al. "Methylation in the Promoter Region and Expression of FOX-P3 Correlate with Graft Versus Host Disease, Relapse and Survival after Allogeneic Stem Cell Transplantation." Blood 112, no. 11 (2008): 1254. http://dx.doi.org/10.1182/blood.v112.11.1254.1254.

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Abstract Introduction: Methylation of CpG dinucleotides is a fundamental mechanism of epigenetic regulation in eukaryotic genomes that controls the expression of certain genes. FOX-P3 is a member of the forkhead/winged-helix family of transcriptional regulators which expression is constitutive in regulatory T lymphocytes CD4/CD25 (Treg). Recent evidence suggests that human effector T cells express FOX-P3, albeit transiently and with significantly lower levels. Therefore, FOX-P3 mehtylation within the promoter region and gene expression could play a role in allogeneic stem cell transplantation

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Devenish-Nelson, Eleanor S., Shane A. Richards, Stephen Harris, Carl Soulsbury, and Philip A. Stephens. "Demonstrating frequency-dependent transmission of sarcoptic mange in red foxes." Biology Letters 10, no. 10 (2014): 20140524. http://dx.doi.org/10.1098/rsbl.2014.0524.

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Understanding the relationship between disease transmission and host density is essential for predicting disease spread and control. Using long-term data on sarcoptic mange in a red fox Vulpes vulpes population, we tested long-held assumptions of density- and frequency-dependent direct disease transmission. We also assessed the role of indirect transmission. Contrary to assumptions typical of epidemiological models, mange dynamics are better explained by frequency-dependent disease transmission than by density-dependent transmission in this canid. We found no support for indirect transmission.

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TAKUMI, K., and J. VAN DER GIESSEN. "Transmission dynamics of Echinococcus multilocularis; its reproduction number, persistence in an area of low rodent prevalence, and effectiveness of control." Parasitology 131, no. 1 (2005): 133–40. http://dx.doi.org/10.1017/s0031182005007456.

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On the basis of high prevalences of Echinococcus multilocularis in the growing fox populations in Central Europe, its total biomass may have increased significantly in the past 20 years. E. multilocularis is now also found in areas outside the known endemic area in Central Europe. Therefore, E. multilocularis, the causative agent of a serious parasitic zoonosis, might be of major concern for public health and a challenge to control. Some experimental field trials to control E. multilocularis using an anti-worm drug reduced parasite burden in a contaminated region during the control campaign, b

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Goltsman, M. E., E. D. Sushko, L. Doronina, and E. P. Kruchenkova. "An Individual-Based Model of the Population Dynamics of the Arctic Fox (Vulpes lagopus semenovi) on Mednyi Island, Commander Islands, North Pacific." Biology Bulletin 46, no. 8 (2019): 929–45. http://dx.doi.org/10.1134/s106235901908003x.

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Ward, Matthew J., Laura Ruykys, Jason van Weenen, et al. "Status of warru (Petrogale lateralis MacDonnell Ranges race) in the Anangu Pitjantjatjara Yankunytjatjara Lands of South Australia. 2. Population dynamics." Australian Mammalogy 33, no. 2 (2011): 142. http://dx.doi.org/10.1071/am10055.

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The population dynamics of warru (Petrogale lateralis MacDonnell Ranges race) were studied in the Anangu Pitjantjatjara Yankunytjatjara Lands, South Australia, in order to inform management and better understand the race’s conservation ecology. Mark–recapture between 2005 and 2010 at the three largest known remaining colonies, followed by POPAN modelling, indicated that population sizes were 23 at New Well and 24 at Alalka in the Musgrave Ranges, and 14 at Kalka in the Tomkinson Ranges. Taking into account recent survey results, the study confirmed that warru are ‘Endangered’ in South Australi

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Rozhenko, Mykola. "The current state of the golden jackal population in the Lower Dnister National Nature Park." Theriologia Ukrainica 2021, no. 21 (2021): 109–13. http://dx.doi.org/10.15407/tu2109.

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With the advent of the golden jackal in the Lower Dnister, certain changes have taken place in natural complexes, which are primarily related to the impact of the new species on the local fauna. Under such conditions, the number of jackals in certain areas, the spatial structure and location of separate packs are important information for the development of measures aimed at maintaining an optimal abundance of this species. Given the active impact of wildlife on natural systems, there are a number of both biological and purely social problems that need to be addressed. The effectiveness of sol

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Giraldi, F., and F. Petruccione. "Anomalies in Strongly Coupled Harmonic Quantum Brownian Motion." Open Systems & Information Dynamics 20, no. 01 (2013): 1350002. http://dx.doi.org/10.1142/s1230161213500029.

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The exact dynamics of a quantum damped harmonic oscillator coupled to a reservoir of boson modes has been formally described in terms of the coupling function, both in weak and strong coupling regime. In this scenario, we provide a further description of the exact dynamics through integral transforms. We focus on a special class of spectral densities, sub-ohmic at low frequencies, and including integrable divergencies referred to as photonic band gaps. The Drude form of the spectral densities is recovered as upper limit. Starting from special distributions of coherent states as external reserv

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van Damme, Cindy J. G., Loes J. Bolle, Clive J. Fox, et al. "A reanalysis of North Sea plaice spawning-stock biomass using the annual egg production method." ICES Journal of Marine Science 66, no. 9 (2009): 1999–2011. http://dx.doi.org/10.1093/icesjms/fsp169.

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Abstract van Damme, C. J. G., Bolle, L. J., Fox, C. J., Fossum, P., Kraus, G., Munk, P., Rohlf, N., Witthames, P. R., and Dickey-Collas, M. 2009. A reanalysis of North Sea plaice spawning-stock biomass using the annual egg production method. – ICES Journal of Marine Science, 66: 1999–2011. Uncertainty about the quality of current virtual population analysis-based stock assessment for North Sea plaice (Pleuronectes platessa) has led to various abundance indices. We compared biomass estimates from the annual egg production (AEP) method with current stock assessments based on catch-at-age to vali

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Allen, Maximilian L., Alexandra C. Avrin, Morgan J. Farmer, et al. "Limitations of current knowledge about the ecology of Grey Foxes hamper conservation efforts." Journal of Threatened Taxa 13, no. 8 (2021): 19079–92. http://dx.doi.org/10.11609/jott.7102.13.8.19079-19092.

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Species-specific conservation is important for maintaining the integrity of ecological communities but is dependent on sufficiently understanding multiple aspects of a species’ ecology. Species-specific data are commonly lacking for species in geographic areas with little research and species perceived to have insufficient charisma or economic importance. Despite their widespread distribution across central and North America and status as a furbearing mammal, little is known about the ecology of Grey Foxes Urocyon cinereoargenteus compared to other species of furbearing mammals. To understand

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Zecchin, Bianca, Marco De Nardi, Pierre Nouvellet, et al. "Genetic and spatial characterization of the red fox (Vulpes vulpes) population in the area stretching between the Eastern and Dinaric Alps and its relationship with rabies and canine distemper dynamics." PLOS ONE 14, no. 3 (2019): e0213515. http://dx.doi.org/10.1371/journal.pone.0213515.

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Faragó, S., G. Dittrich, K. Horváth–Hangya, and D. Winkler. "Twenty years of the grey partridge population in the LAJTA Project (Western Hungary)." Animal Biodiversity and Conservation 35, no. 2 (2012): 311–19. http://dx.doi.org/10.32800/abc.2012.35.0311.

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The Lajta Project covers 3,065 ha. Within this area crop cultivation is dominant. Fields are separated from each other by forest belts and tree rows, extending altogether over roughly 120 ha. This habitat structure characterized by cultivation of 12–15 field crops sustained partridge population with densities of 1.75 birds/km2 (1991). The Project started in 1991/1992 and aimed to increase the carrying capacity for grey partridge and other small game species living in the area. A full–time gamekeeper was employed and habitat improvements were initiated. Four years later, the breeding population

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FLIS, MARIAN, EUGENIUSZ R. GRELA, and DARIUSZ GUGAŁA. "Effectiveness of oral immunization of free-living foxes in the reduction of rabies in Poland in 2011-2015." Medycyna Weterynaryjna 74, no. 1 (2018): 5966–2018. http://dx.doi.org/10.21521/mw.5966.

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The paper presents the epidemiological situation of rabies in Poland in the period 2011-2015 in the con-text of the ongoing since 2002, a national campaign of oral immunization of free-living foxes and its efficiency and costs. Additionally, the impact of preventive measures on the dynamics of the number of foxes, was evalu-ated. During the study period, a decrease in the amount of ascertained rabies cases in wild and domestic animals was recorded, but still the primary reservoir of the virus were free-living foxes. The high effectiveness of vaccina-tion, evaluated applying detailed laboratory

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Babtseva, A. F., E. B. Romantsova, and O. B. Prikhodko. "DYNAMICS OF MORBIDITY OF CHILDREN POPULATION OF THE CITY OF BLAGOVESHCHENSK FOR 10 YEARS." Amur Medical Journal, no. 15-16 (2016): 10–12. http://dx.doi.org/10.22448/amj.2016.15-16.10-12.

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Afanasyev, I. V. "Клеточно-автоматная модель динамики численности организмов озера Байкал". Prikladnaya diskretnaya matematika, № 15 (1 березня 2012): 121–32. http://dx.doi.org/10.17223/20710410/15/9.

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