Author: Michel CrêtePublisher:
ISBN:
Category :
Languages : en
Pages : 312
Book Description
Population Dynamics of Moose (Alces Alces Americana) in Southwestern Quebec
Author: Michel CrêteWild Mammals of North America
Author: George A. FeldhamerPublisher: JHU Press
ISBN: 9780801874161
Category : Nature
Languages : en
Pages : 1250
Book Description
Table of contents
Implications of Population Genetics and Physiological Responses on the Conservation of Moose (Alces Alces Americana)
Author: Elias Goldsmith RosenblattPublisher:
ISBN:
Category : Metabolites
Languages : en
Pages : 0
Book Description
Wildlife populations around the globe are facing numerous, complex challengesto their persistence, yet conservation efforts are hindered by limited information about these populations and the anthropogenic pressures they face. North American moose (Alces alces americana), despite being of ecological, cultural, and economical importance, inhabit remote landscapes, making population monitoring difficult. At the same time, many moose populations, including in Vermont and eastern North America, have experienced recent declines mainly due to winter tick (Dermacentor albipictus) epizootics. Anthropogenic landscape change and climate-mediated pressures pose future challenges for moose across the southern extent of their distribution. Though impacts of winter tick infestation on population vital rates have been well-studied, there has been little research on how moose population genetics and physiological responses interplay with current and future challenges posed by parasites, climate change, and increasing anthropogenic pressures. This dissertation addresses these knowledge gaps by 1) developing a novel approach for estimating wildlife abundance in cases where common abundance measures are difficult to implement, 2) describing the genetic diversity and connectivity of moose populations across the northeastern United States and Southern Quebec, and 3) identifying drivers and fitness implications of stress hormone and nutritional restriction dynamics in Vermont's highest density moose population. Using a simulated moose population, this dissertation advanced the use of pedigree reconstruction as an abundance estimator, which appeared particularly useful for low-density populations. Genetic samples from moose across five U.S. states and a Canadian province indicated low measures of genetic diversity yet provides evidence of genetic connectivity that will likely be challenged by future climate, habitat, and population conditions. Finally, several climate, habitat, and parasite variables impacted stress metabolite concentrations and nutritional restriction of radio-collared moose calves, both of which related to winter survival probability. This effort supports novel means of monitoring wildlife populations using data that can be acquired non-invasively and illustrates the compounding suite of challenges facing moose in eastern North America.
Moose Population Dynamics and Habitat Use, Southern Yukon River Basin
Author: W. Gavin JohnstonPublisher:
ISBN:
Category : Animal populations
Languages : en
Pages : 120
Book Description
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.
Wildlife Review
Author: Publisher:
ISBN:
Category : Wildlife conservation
Languages : en
Pages : 1210
Book Description
Canadian Journal of Forest Research
Author: Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 328
Book Description
Alces, moose ecology
Author: Jean BédardPublisher: Presses de L'Universite Laval
ISBN:
Category : Nature
Languages : en
Pages : 766
Book Description
Ecology and Management of the North American Moose
Author: Albert W. FranzmannPublisher:
ISBN:
Category : Nature
Languages : en
Pages : 784
Book Description
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
Dissertation Abstracts International
Author: Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 532
Book Description
Environmental and Demographic Drivers of a Rapidly Expanding Sub-arctic Moose Population
Author: Vassily Sebastian ZavoicoPublisher:
ISBN:
Category : Moose
Languages : en
Pages : 0
Book Description
Anthropogenic forces are dramatically altering the dynamics of many populations and ranges. A thorough understanding of drivers and mechanisms underlying population dynamics is needed to better understand reasons for range shifts and broaden our understanding of how environmental and demographic drivers affect population trajectories. In this thesis, I present two chapters that investigate the population dynamics of a rapidly colonizing moose (Alces alces) population in southwest Alaska. In the first chapter, I correlated environmental variables with demographic rates estimated using a multistate model and found that annual patterns of vegetation productivity and winter severity affected calf survival most strongly, followed by twinning rate. In the second chapter, I applied transient life table response experiments (tLTREs) to demographic rates and components of population structure estimated using an integrated population model (IPM). I found that, although calf survival did not have the highest sensitivity out of all other parameters, variation in calf survival contributed the most to variation in population growth rate. Together, these chapters suggest that variation in environmental conditions drove variation in population growth rate via effects on calf survival. Results uphold and add nuance to the demographic buffering hypothesis (DBH), which states that species evolve to buffer highest sensitivity demographic rates against variation that could otherwise decrease individual fitness and population sustainability. My research indicates that an outcome of the DBH is that lower sensitivity vital rates ultimately have a higher actual impact on population growth rate. Additionally, I found that the environmental drivers that currently limit population growth exhibit long-term trends consistent with climate change in ways that are amenable to moose, which suggests climate change facilitated moose colonization of the region. The lack of shortterm trends, lower adult survival in the most heavily hunted part of the study area, and the abrupt colonization that aligned with the irruption of a local caribou (Rangifer tarandus) herd indicate that human hunting pressure also played an important role in allowing moose to establish themselves at high density. These findings pertaining to drivers and mechanisms of population dynamics are relevant for conservation and management of large herbivores across the world that might similarly expand into new areas.