Methodology matters when estimating deer abundance: a global systematic review and recommendations for improvements

DM Forsyth, S Comte, NE Davis… - The Journal of …, 2022 - Wiley Online Library
Deer (Cervidae) are key components of many ecosystems and estimating deer abundance
or density is important to understanding these roles. Many field methods have been used to …

[图书][B] Radio tracking and animal populations

J Millspaugh, JM Marzluff - 2001 - books.google.com
Radio Tracking and Animal Populations is a succinct synthesis of emerging technologies
and their applications to the empirical and theoretical problems of population assessment …

Effects of elk group size on predation by wolves

M Hebblewhite, DH Pletscher - Canadian Journal of Zoology, 2002 - cdnsciencepub.com
Wolf-prey research has focused on single-prey systems in North America dominated by
moose (Alces alces) or white-tailed deer (Odocoileus virginianus). Elk (Cervus elaphus) are …

Evaluation of the lek‐count index for greater sage‐grouse

DP Walsh, GC White, TE Remington… - Wildlife Society …, 2004 - Wiley Online Library
Counts of birds attending leks traditionally have been used as an index to the population
size of greater sage‐grouse (Centrocercus urophasianus) and, more recently, as a means to …

Incorporating availability for detection in estimates of bird abundance

DR Diefenbach, MR Marshall, JA Mattice… - The Auk, 2007 - academic.oup.com
Several bird-survey methods have been proposed that provide an estimated detection
probability so that bird-count statistics can be used to estimate bird abundance. However …

From the Field: Testing 2 aerial survey techniques on deer in fenced enclosures—visual double‐counts and thermal infrared sensing

F Potvin, L Breton - 2005 - Wiley Online Library
We evaluated the accuracy of 2 aerial survey techniques over 4 large enclosures (6.0–29.4
km2) where the deer (Odocoileus virginianus) population was reconstructed using hunting …

Biases in estimating population size from an aerial census: A case study in the Kruger National Park, South Africa: Starfield Festschrift

JV Redfern, PC Viljoen, JM Kruger… - South African Journal of …, 2002 - journals.co.za
In the Kruger National Park (KNP), South Africa, aerial census data for approximately 15
herbivore species were collected from 1981 to 1993 using a total area count, strip transect …

Spending degrees of freedom in a poor economy: A case study of building a sightability model for moose in northeastern minnesota

JH Giudice, JR Fieberg… - The Journal of Wildlife …, 2012 - Wiley Online Library
Sightability models are binary logistic‐regression models used to estimate and adjust for
visibility bias in wildlife‐population surveys. Like many models in wildlife and ecology …

A sightability model for mountain goats

CG Rice, KJ Jenkins… - The Journal of Wildlife …, 2009 - Wiley Online Library
Unbiased estimates of mountain goat (Oreamnos americanus) populations are key to
meeting diverse harvest management and conservation objectives. We developed logistic …

Practical bias correction in aerial surveys of large mammals: Validation of hybrid double-observer with sightability method against known abundance of feral horse …

BC Lubow, JI Ransom - PLoS One, 2016 - journals.plos.org
Reliably estimating wildlife abundance is fundamental to effective management. Aerial
surveys are one of the only spatially robust tools for estimating large mammal populations …