Life History Strategies In Moose Alces Alces
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Life History Strategies In Moose Alces Alces
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Author : Håkan Sand
language : en
Publisher:
Release Date : 1996
Life History Strategies In Moose Alces Alces written by Håkan Sand and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Moose categories.
The Effects Of Selective Harvesting On Life History Traits Of Moose Alces Alces
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Author : Raisa Tiilikainen
language : en
Publisher:
Release Date : 2010
The Effects Of Selective Harvesting On Life History Traits Of Moose Alces Alces written by Raisa Tiilikainen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Life History Consequences Of Maternal Condition In Alaskan Moose
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Author : Mark A. Keech
language : en
Publisher:
Release Date : 1999
Life History Consequences Of Maternal Condition In Alaskan Moose written by Mark A. Keech and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Moose calves categories.
"Characteristics of life-history of Alaskan moose (Alces alces gigas) including the effects of maternal condition of adult females on survival and physical condition of young during their first year-of-life" were studied. "Also examined" was "the relation between maternal condition and reproductive parameters of individual adult moose." It was "found that females in better physical condition, as indexed by rump-fat thickness, had higher rates of pregnancy, gave birth to more twins, and produced young with higher birth masses than did females with less rump fat. Expected time-to-death for individual young increased as birth mass increased and decreased with increasing birth date and litter size." The "results indicated maternal condition influenced subsequent variables associated with birth, which ultimately influenced future survival of offspring. Timing of parturition also occurred earlier for individual females with greater rump-fat thickness. That outcome suggested that timing of parturition was the result of environmental factors acting on females prior to birth"--Leaf 3.
Alces Moose Ecology
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Author : Jean Bédard
language : en
Publisher: Presses de L'Universite Laval
Release Date : 1975
Alces Moose Ecology written by Jean Bédard and has been published by Presses de L'Universite Laval this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Nature categories.
Canadian Journal Of Zoology
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Author :
language : en
Publisher:
Release Date : 2014-05
Canadian Journal Of Zoology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05 with Zoology categories.
Genetic Variation In A Large Game Species The Moose Alces Alces
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Author : Christina Reuterwall
language : en
Publisher:
Release Date : 1980
Genetic Variation In A Large Game Species The Moose Alces Alces written by Christina Reuterwall and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Moose categories.
Biodiversity Dynamics
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Author : Michael L. McKinney
language : en
Publisher: Columbia University Press
Release Date : 2001-04-12
Biodiversity Dynamics written by Michael L. McKinney and has been published by Columbia University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-04-12 with Science categories.
How will patterns of human interaction with the earth's eco-system impact on biodiversity loss over the long term--not in the next ten or even fifty years, but on the vast temporal scale be dealt with by earth scientists? This volume brings together data from population biology, community ecology, comparative biology, and paleontology to answer this question.
Life History Of Alces Alces Americana Moose
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Author :
language : en
Publisher:
Release Date : 19??
Life History Of Alces Alces Americana Moose written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 19?? with Moose categories.
The Wolves Of Denali
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Author : L. David Mech
language : en
Publisher: U of Minnesota Press
Release Date : 2003-05-01
The Wolves Of Denali written by L. David Mech and has been published by U of Minnesota Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-05-01 with Nature categories.
For more than nine years the wolves in Alaska's Denali National Park were the subject of intense research by a group of renowned scientists led by L. David Mech. The result of their work is the most comprehensive study of a population of wolves and their prey ever available. This accessible, fascinating, and extensively illustrated book will appeal to researchers, general readers, and wolf enthusiasts across the world.
Ecological Implications Of Foraging And Life History In Three Cold Adapted Species
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Author :
language : en
Publisher:
Release Date : 2018
Ecological Implications Of Foraging And Life History In Three Cold Adapted Species written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Abstract : This research investigates the ecology of: ringed seals (Pusa hispida), moose (Alces alces), and bowhead whales (Balaena mysticetus). Each of these species draws upon specialized strategies to meet the physical demands of life in their extreme environments. However, they are currently experiencing unprecedented changes in their habitats. This work adds to what is known about the behavior, physiology, and population dynamics of cold-adapted species-providing insights of value for an improved understanding of foraging and life-history theory, and informing conservation and ecosystem monitoring efforts. Chapter 1 provides a brief introduction to the scope of work within this dissertation. Chapter 2 documents the seasonal movements of ringed seals in the Alaskan Arctic, along with their diving, foraging, and haul-out behaviors. Their behavior, including daily activity budgets and habitat use, is characterized and interpreted with respect to life-history and foraging theory. Demographic habitat partitioning is documented and is consistent with theoretical expectations. Results highlight the importance of benthic diving and suggest that reduced sea ice during critical periods may have energetic consequences for ringed seals. Chapter 3 compares the influences of top-down, bottom-up, and abiotic effects on moose body condition and per capita population growth at Isle Royale National Park. Body condition was quantified using the ratio of urea-nitrogen to creatinine (UN:C) during the late winter, when severe reductions of forage abundance and quality increase catabolic processes. Body condition responded to abiotic effects, including warm summer temperatures. Spatial heterogeneity also influenced body condition, likely due to different forest ecosystems. Per capita population growth responded most to top-down effects, but also to bottom-up effects. The substantial influence of predation rate upon per capita population growth is discussed with respect to "masking" other potentially complex interrelationships among energetics, body condition, and population dynamics. Chapter 4 improves understanding of the relationships among factors with life-history implications that are potentially informative on the status of bowhead whales and their ecosystem. In particular, factors that influence cyamid ectoparasite prevalence and abundance are examined. Also important are observed relationships between whale age, body condition, and ancillary data that have potential to influence ecological interpretations.