Age Determination of Wildlife
Author :
Publisher :
Page : 130 pages
File Size : 30,3 MB
Release : 1967
Category : Age determination (Zoology)
ISBN :
Author :
Publisher :
Page : 130 pages
File Size : 30,3 MB
Release : 1967
Category : Age determination (Zoology)
ISBN :
Author : Smithsonian Institution. Science Information Exchange
Publisher :
Page : pages
File Size : 28,48 MB
Release : 1973
Category : Fishes
ISBN :
Author : United States. Department of the Interior. Division of Information and Library Services
Publisher :
Page : 106 pages
File Size : 14,77 MB
Release : 1981
Category : Animals
ISBN :
Author : GalinaA. Klevezal
Publisher : Routledge
Page : 290 pages
File Size : 28,95 MB
Release : 2017-10-19
Category : Nature
ISBN : 1351419447
This text focuses on the principles and methods of using growth layers formed in teeth and bones of mammals to make a judgement on essential traits of the animal's life history. In nearly all mammalian species, including man, the age of individuals can be determined from the number of growth layers and, at least in some of them, it is possible to estimate the season of an animal's birth and death, age of sexual maturation, periodicity of reproduction, certain feeding habits and other aspects of the individual's biology. It is also possible, from tooth-enamel analysis, to assess doses of radiation accumulated by animals and human beings during their lifetime.;This book is intended for zoologists, wild-game biologists and zoo archaeologists, but some of the sections could also be of interest for anthropologists, radioecologists and conservation biologists.
Author : John R. Skalski
Publisher : Elsevier
Page : 656 pages
File Size : 50,20 MB
Release : 2010-07-20
Category : Science
ISBN : 0080455123
Wildlife Demography compiles the multitude of available estimation techniques based on sex and age data, and presents these varying techniques in one organized, unified volume. Designed to guide researchers to the most appropriate estimator based upon their particular data set and the desired level of study precision, this book provides quantitative consideration, statistical models, estimator variance, assumptions and examples of use. The authors focus on estimation techniques using sex and age ratios because this data is relatively easy to collect and commonly used by wildlife management. - Applicable to a wide array of wildlife species, including game and non-game birds and mammals - Features more than 100 annotated examples illustrating application of statistical methods - Includes more than 640 references of the analysis of nontagging data and the factors that may influence interpretation - Derives historical and ad hoc demographic methods in a modern statistical framework
Author : Thomas Henry Manning
Publisher :
Page : 12 pages
File Size : 33,52 MB
Release : 1973
Category :
ISBN :
"Skull criteria are given for aging of Polar Bears up to six years, by which time they are considered fully grown. Most characters develop earlier in females than in males. Sexual maturity is probably reached by males early in their fourth year, and by females possibly early in their third. Weights of 13 bacula are given"--Abstract.
Author : Galina Aleksandrovna Klevezalʹ
Publisher :
Page : 274 pages
File Size : 11,49 MB
Release : 1996
Category : Animals
ISBN :
Author : Stephen H. Richards
Publisher :
Page : pages
File Size : 46,94 MB
Release : 197?
Category : Big game animals
ISBN :
Author : R. M. Sibly
Publisher : Cambridge University Press
Page : 372 pages
File Size : 27,23 MB
Release : 2003-08-07
Category : Nature
ISBN : 9780521533478
What determines where a species lives? And what determines its abundance? This book takes a fresh approach to some of the classic questions in ecology. Despite great progress in the twentieth century much more remains to be done before we can provide full answers to these questions. The methods described and deployed in this book point the way forward. The core message of the book is that the key insights come from understanding what determines population growth rate, and that application of this approach will make ecology a more predictive science. Topics covered include population regulation, density-dependence, the ecological niche, resource and interference competition, habitat fragmentation and the ecological effects of environmental stress, together with applications to conservation biology, wildlife management, human demography and ecotoxicology. After a substantial introduction by the editors the book brings together contributions from leading scientists from Australia, New Zealand, North America, Europe and the U.K.
Author :
Publisher :
Page : 282 pages
File Size : 12,70 MB
Release : 1964
Category : Wildlife conservation
ISBN :