Results 121 to 130 of about 11,787 (263)

Environmental Contaminant Accumulation in Freshwater Turtles Inhabiting Three Rivers of the Permian Basin, New Mexico, USA

Environmental Toxicology, EarlyView.
ABSTRACT Freshwater turtles are valuable sentinels of aquatic systems due to their long lifespans and resilience in environments impacted by contaminants. The Permian Basin, dominated by the oil and gas sector, spans western Texas and southeastern New Mexico, USA, including the Pecos River and its tributaries, the Delaware and Black Rivers.
Ana G. G. Sapp, W. Gregory Cope, Christopher E. Moorman, Frank X. Weber, Ivana Mali   +4 more
wiley   +1 more source

Monitoring GPS‐collared moose by ground versus drone approaches: efficiency and disturbance effects

Wildlife Biology, EarlyView.
Efficient wildlife management requires precise monitoring methods, for example to estimate population density, reproductive success, and survival. Here, we compared the efficiency of drone (equipped with a RGB camera) and ground approaches to detect and observe GPS‐collared female moose Alces alces and their calves. We also quantified how drone (n = 42)
Martin Mayer, Erlend Furuhovde, Kristoffer Nordli, Giorgia Myriam Ausilio, Petter Wabakken, Ane Eriksen, Alina L. Evans, Karen Marie Mathisen, Barbara Zimmermann   +8 more
wiley   +1 more source

A Multi-Factor Habitat Suitability Model for Asian Elephants in the Greater Mekong Subregion: Effects of Vegetation and Climate. [PDF]

Ecol Evol
Li C, Wang X, Qiang Z, Tang Y, Yang S, Luo C, Tu X, Zhang S, Xia Y, Zhang L.   +9 more
europepmc   +1 more source

Den attendance by Arctic foxes experiencing 10 years of increasing tourism

Wildlife Biology, EarlyView.
Wildlife tourism is a growing industry, and an increasing number of people seek to observe and interact with wild animals in their natural surroundings. In Iceland, the native Arctic fox Vulpes lagopus is widespread and has been under heavy hunting pressure for centuries.
Ester Rut Unnsteinsdóttir, Borgný Katrínardóttir, Bruce J. McAdam   +2 more
wiley   +1 more source

The genomic impact of population connectivity and decline in Africa's elephants. [PDF]

Nat Commun
Pečnerová P, Ishida Y, Garcia-Erill G, Bertola LD, Santander CG, Liu X, Brüniche-Olsen A, Khan A, Hennelly LM, Balboa RF, Lin L, Rasmussen MS, Wang X, Schubert M, Al-Chaer A, Urbaniak S, Nobuta K, Treadup S, Viaud-Martinez KA, de Flamingh A, Malhi RS, Bird S, Ting N, Watsa M, Tchamba MN, Bourgeois S, Thouless C, Douglas-Hamilton I, Wittemyer G, Van Coeverden de Groot PJ, Muwanika VB, Masembe C, Georgiadis NJ, Hvilsom C, Heller R, Siegismund HR, Roca AL.   +36 more
europepmc   +1 more source

Evaluating machine learning models for multi‐species wildlife detection and identification on remote sensed nadir imagery in South African savanna

Wildlife Biology, EarlyView.
This research paper investigates the efficacy of leading machine learning (ML) models for detecting and identifying ungulate species in African savanna using nadir imagery from unmanned aerial vehicles (UAVs). Traditional aerial counting methods, while widely used, suffer from significant limitations in accuracy and precision, in part due to human ...
Paul Allin, Fadel Seydou, Radloff Frans, Andrew Davies, Alison Leslie   +4 more
wiley   +1 more source

Determinants of Seasonal Elephant Habitat Use in Small and Enclosed Conservation Area: Mwea National Reserve, Kenya. [PDF]

Ecol Evol
K Wambua J, Wato YA, Abdallah SA, K Mworia J, Lukhoba C, Gichuki NN.   +5 more
europepmc   +1 more source

Estimating red deer Cervus elaphus population density using drones in a steep and rugged terrain

Wildlife Biology, EarlyView.
Precise and accurate information about population density, crucial for wildlife management, is difficult to obtain for elusive species living in dense forests or steep and inaccessible terrain. Using unmanned aerial vehicles (UAVs), we developed a method for obtaining absolute population estimates of ungulates living in steep, rugged, and partly ...
Julie Bommerlund, Torbjørn Ergon, Simon Filhol, Atle Mysterud   +3 more
wiley   +1 more source

Landscape determinants of human-elephant conflict in Assam, India: insights from two decades of spatial analysis. [PDF]

PeerJ
G AN, Pandey RK, Roy K, Dutta A, Mittal D, Nigam P, Nath A, Habib B.   +7 more
europepmc   +1 more source

Elephant cognition [PDF]

Current Biology, 2008
Bates, Lucy A., Poole, Joyce H., Byrne, Richard W.   +2 more
openaire   +2 more sources