Moose Population Dynamics And Habitat Use Southern Yukon River Basin
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Moose Population Dynamics And Habitat Use Southern Yukon River Basin
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Author : W. Gavin Johnston
language : en
Publisher:
Release Date : 1984
Moose Population Dynamics And Habitat Use Southern Yukon River Basin written by W. Gavin Johnston and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Animal populations categories.
Results of moose (Alces alces) inventories taken over selected portions of the southwest Yukon, and a portion of northern British Columbia within the Yukon River Basin in early winter 1981 and 1982, and late winter 1982.
Ecology And Management Of The North American Moose
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Author : Albert W. Franzmann
language : en
Publisher:
Release Date : 2007
Ecology And Management Of The North American Moose written by Albert W. Franzmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Nature categories.
Back in print as a University Press of Colorado edition, this abundantly illustrated volume with field sketch illustrations by William D. Berry fully explains moose biology and ecology and assesses the increasingly complex enterprise of managing moose. Twenty-one of the world's authorities on the species discuss its taxonomy, reproduction and growth, feeding habits, behavior, population dynamics, relationships with predators, incidental mortality, seasonal migration patterns, and habitat and harvest management. Contributors include Warren B. Ballard, Arnold H. Boer, Anthony B. Bubenik, M. E. Buss, Kenneth N. Child, Vincent F.J. Crichton, Albert W. Franzmann, Kris J. Hundertmark, Patrick D. Karns, Murray W. Lankester, Richard E. McCabe, James M. Peek, Henry M. Reeves, Wayne L. Regelin, Lyle A. Renecker, William M. Samuel, Charles C. Schwartz, Robert W. Stewart, Ian D. Thompson, H. R. Timmermann, and Victor Van Ballenberghe. A Wildlife Management Institute book
Moose Population Dynamics And Winter Habitat Use At Rochester Alberta 1965 77
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Author : Robert Rolley
language : en
Publisher:
Release Date : 1979
Moose Population Dynamics And Winter Habitat Use At Rochester Alberta 1965 77 written by Robert Rolley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Moose categories.
Analyses twelve years of moose (Alces alces) census information, and documents population growth.
Home Range And Habitat Use By Female Moose In The Southwest Yukon
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Author : R. Jeffrey Keith
language : en
Publisher:
Release Date : 1995
Home Range And Habitat Use By Female Moose In The Southwest Yukon written by R. Jeffrey Keith and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Moose categories.
Examines the relationship between selected spatial and physiographic parameters and the utilization of terrain by female moose in an area of high relief.
Moose Population Ecology And Habitat Use Along The Juneau Access Road Corridor Alaska
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Author : Kevin S. White
language : en
Publisher:
Release Date : 2012
Moose Population Ecology And Habitat Use Along The Juneau Access Road Corridor Alaska written by Kevin S. White and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Habitat (Ecology) categories.
Socio Ecological Drivers Of Resource Selection And Habitat Use By Moose In Interior Alaska
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Author : Casey L. Brown
language : en
Publisher:
Release Date : 2016
Socio Ecological Drivers Of Resource Selection And Habitat Use By Moose In Interior Alaska written by Casey L. Brown and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Moose categories.
Sustainably managing wildlife with diverse utilization values is one of the greatest challenges facing contemporary wildlife management. These challenges can be amplified under changing environmental and socio-economic conditions. In Alaska, boreal forest systems are experiencing rapid change as a result of climate warming. Alaska’s boreal region has warmed twice as rapidly as the global average, affecting a host of processes including an increase in wildfire frequency, extent, and severity. Wildfire is the most common ecological disturbance in the Alaskan boreal forest and an important driver of landscape heterogeneity, burning on average 1 to 2 million acres per year. Fire severity is a particularly important factor dictating the regeneration of deciduous species, and one that can influence the overall quality of habitat for herbivores, such as moose (Alces alces). However, the relationships between the availability and duration of biomass production and moose habitat selection are largely unknown. Additionally, the effects of fire on wildlife resources in Alaska can have important consequences for boreal social-ecological systems as well. Fire-related changes to the community composition of forest stands would likely affect the densities of species that human communities rely on for hunting and trapping. In Interior Alaska, where natural wildfire is the primary means of increased browse production for moose, managers may want to consider incorporating burns into management plans while paying particular attention to hunter accessibility. However, an increase in hunter activity into moose habitat could result in changes to moose distribution and activity patterns near trails and roads. To examine these questions I utilized telemetry data from 26 moose along with methods in spatial ecology, plant-animal interactions, resource selection and human dimensions of wildlife research to predict the influence of an ecological disturbance (fire) and an anthropogenic disturbance (hunter activity) on moose habitat use. I used dynamic Brownian bridge movement models (dBBMM) in conjunction with browse assessment surveys to examine how fire severity, via its control over vegetation composition, forage production and nutritional quality, affect habitat use patterns of moose across their seasonal home ranges and core use areas. To assess the effects of hunter activity on moose habitat use, I created fine-scale stepselection models to test whether habitat selection and movement patterns were affected by spatio-temporal variation in risk from hunting activity. Additionally, from August-October, I used a camera trap array to collect field data on human activity (off-road vehicles, automobiles, 4x4 trucks, dirt bikes, and hunters afoot) together with the RandomForests algorithm to create high-resolution hunter distribution models. Finally, to integrate my research within a socialecological framework, I examined the interactions between wildfire, forage production and hunter access on management scenarios overtime. In winter, moose preferred low-severity sites more than high and moderate-severity sites, but in summer, moose selected for high-severity sites. Forage biomass production ranged from 62 to 243 kg/ha/yr across all sites during winter within the Hajdukovich Creek Burn, but production and availability varied depending on fire severity and browse species. These results indicate that differing distributions of wildfire severity across a landscape can create a dynamic, mosaic of habitat patches that may optimize and extend the value of burns over time for moose. I found that while moose selected habitat closer to trails and roads, they also avoided areas with more hunting activity. Finally, my management scenarios provide a framework for managers to adapt goals and actions to changing conditions that can affect moose-hunter systems. I recommend that wildlife conservation and management decisions consider these methods as we seek to sustainably manage wildlife for future generations during a time of rapid socio-ecological change in Alaska.
Modeling Moose Habitat Use And Fitness Consequences Of Habitat Selection In Vermont Usa
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Author : Joshua Alexander Blouin
language : en
Publisher:
Release Date : 2021
Modeling Moose Habitat Use And Fitness Consequences Of Habitat Selection In Vermont Usa written by Joshua Alexander Blouin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with Habitat selection categories.
The moose (Alces alces) population has been declining across the northeastern US largely due to the impacts of winter ticks (Dermacentor albipictus). In epizootic years, an individual moose can host a staggering number of ticks (> 60,000), affecting both survival and reproduction. Habitat management may be used to improve the status of the moose population and health of individuals, but this requires knowledge of key habitat types used by moose and their spatial distribution. We investigated 1) habitat use by moose and 2) the fitness consequences of habitat selection during two critical winter tick life stages in northeastern Vermont. To assess habitat use, we combined more than 41,000 moose locations collected from radio-collared individuals (n = 74), recent land cover data, and high resolution, three-dimensional lidar data to develop Resource Utilization Functions that linked home range use to habitat characteristics by age, season, and sex. In general, the home ranges of female moose had proportionally more regenerative forest and canopy structure, while male home ranges consisted of mixed forests at higher elevations. Winter ticks tend to be fairly immobile throughout all life stages, and therefore their distribution patterns at any given time are shaped by the occurrence of moose across the landscape during the peak of two critical time periods: fall questing (when ticks latch onto a moose) and spring drop-off (when engorged female ticks detach from moose). We used a dynamic occupancy modeling framework to estimate habitat selection of female moose (n = 74) during these periods. Further, we investigated if habitat selection decisions made by adult females during the fall questing period influenced the survival of their offspring through the winter. Adult females whose offspring perished selected habitats during the questing period that were characterized by higher proportions of young mixed forests at higher elevations. In contrast, adult females whose offspring survived selected areas characterized by young deciduous habitats and higher proportions of mature evergreens forests and wetlands at lower elevations. The resulting maps of habitat use and resource selection define "hotspots" that are likely encouraging the deleterious effects of the tick-moose cycle. These hotspots presumably reflect areas with the highest moose and winter tick densities, which may be targeted for future management actions such as hunter harvest to reduce moose density and habitat manipulation or application of experimental treatments (e.g., fungus-based biopesticides) to reduce tick density. This study provides new information and tools that may help managers disrupt the tick-moose cycle and promote heathier and more persistent populations across the region.
Occasional Publication
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Author :
language : en
Publisher:
Release Date : 1987
Occasional Publication written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Arctic regions categories.
Forest Carnivore Conservation And Management In The Interior Columbia Basin
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Author : Gary William Witmer
language : en
Publisher:
Release Date : 1998
Forest Carnivore Conservation And Management In The Interior Columbia Basin written by Gary William Witmer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Carnivora categories.
Forest carnivores in the Pacific Northwest include 11 medium to large-sized mammalian species of canids, felids, mustelids, and ursids. These carnivores have widely differing status in the region, with some harvested in regulated furbearer seasons, some taken for depredations, and some protected because of rarity. Most large carnivores have declined in numbers or range from human encroachment, loss or modification of forest habitat, accidental deaths (e.g., mortality from vehicles), illegal kills, and our inability to adequately monitor and protect populations. Efforts to reverse these trends include new approaches to reduce conflicts with humans, research to better define habitat needs, formation of expert carnivore working groups, and use of Geographic Information System models to predict specific impacts of habitat modifications. Long-term preservation of large carnivores in the region is problematic unless we reduce forest fragmentation and conflicts with humans and improve our ability to quantitatively integrate population dynamics with landscape level habitat requirements.
General Technical Report Wo
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Author :
language : en
Publisher:
Release Date : 1981
General Technical Report Wo written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Forests and forestry categories.