Results 81 to 90 of about 20,056 (268)

Accounting for animal movement during aerial imaging surveys

Remote Sensing in Ecology and Conservation, EarlyView.
Animals are not stationary during aerial surveys; if their movements are related to the movement of the aerial platform, then bias can be introduced into subsequent population count estimates. We sought to establish a framework for assessing the impacts of animal movement on count error and platform bias by comparing aggregated counts and relative ...
Rowan L. Converse, Christopher D. Lippitt, Steven E. Sesnie, David R. Stewart, Matthew J. Butler, Grant M. Harris   +5 more
wiley   +1 more source

Hunting and fishing harvest data collection: a horizon scanning exercise from the French context

Wildlife Biology, EarlyView.
Legal and societal moves increasingly lead leisure hunting and fishing practitioners to record their harvest. The total number of individuals harvested per population per year is the minimum required information to feed into demographic models and allow science‐based management. Some few schemes record more detailed data, hence allowing better‐informed
Matthieu Guillemain, Léo Bacon, Aurélie Barboiron, Pierre Defos du Rau, Cyril Eraud, Aurélie Flesselle, Charlotte Francesiaz, Quentin Josset, Yoann Lechauve, Kevin Le Rest, Hervé Lormée, Maxime Passerault, Maryline Pellerin, Caroline Penil, Betty Plaquin, Adrien Tableau, Julien Terraube, Laurent Beaulaton   +17 more
wiley   +1 more source

Gravel pits support waterbird diversity in an urban landscape [PDF]

, 2009
We assessed the benefit of 11 gravel pits for the settlement of waterbird communities in an urbanized area lacking natural wetlands. Gravel pits captured 57% of the regional species pool of aquatic birds.
A. Gaujard, B Frochot, C Leroy, DM Lodge, F Hoyer, F. Santoul, I Blindow, J Cucherousset, JM Gillier, JM Rey-Benayas, L Odling-Smee, M Bournaud, N Myers, R Céréghino, R Céréghino, R. Céréghino, RJ Fuller, RK Colwell, RW Knapton, S Declerck, S. Angélibert, S. Mastrorillo, YS Park   +22 more
core   +5 more sources

Ecosystem services provided by waterbirds

Biological Reviews, 2013
ABSTRACT Ecosystem services are ecosystem processes that directly or indirectly benefit human well‐being. There has been much recent literature identifying different services and the communities and species that provide them. This is a vital first step towards management and maintenance of these services.
Green, Andy J., Elmberg, Johan
openaire   +5 more sources

Using a live‐streaming webcam to assess the behavioural responses of waterbirds to changes in the density of swans Cygnus spp.

Wildlife Biology, EarlyView.
Wildlife research has benefitted from the development of new methods that allow data to be collected remotely, with less disturbance to focal animals. The proliferation of livestreaming webcams, for example, those used by nature reserves for public engagement purposes, have offered new possibilities for the study of wildlife behaviour.
Kevin A. Wood, Grace Clarke, Paul E. Rose   +2 more
wiley   +1 more source

Using programmable infusion pump in avian species – a validation methodology in geese

Wildlife Biology, EarlyView.
Wildlife face anthropogenic and natural stressors that affect their physiology and behaviour. The activity of the hypothalamic–pituitary–adrenal axis and glucocorticoid (GC) production is intrinsically linked with energy regulation and environmental stressors.
Myriam Trottier‐Paquet, Maude Gauthier‐Bouchard, Akiko Kato, Charline Parenteau, Frédéric Angelier, Pierre Legagneux   +5 more
wiley   +1 more source

Effects of constant high water levels in winter on waterbird diversity in Caizi Lakes: A functional perspective

Global Ecology and Conservation
The middle and lower Yangtze River floodplain lakes are important stopover and wintering sites for migratory birds on the East Asian–Australasian Flyway.
Lingling Cui, Zhenhua Wei, Lizhi Zhou, Bo Cheng   +3 more
doaj   +1 more source

Outbreak of avian botulism and its effect on waterbirds in the Wilderness Lakes, South Africa

Koedoe: African Protected Area Conservation and Science, 2019
Avian botulism has been reported in many areas worldwide, particularly in North America, where at times it has resulted in die-offs of hundreds of thousands of waterbirds.
Ian A. Russell, Rodney M. Randall, David Zimmerman, Danny Govender   +3 more
doaj   +1 more source

Plasma Biochemistries and Morphometric Indices of Body Condition in Imperial Cormorant (Phalacrocorax atriceps) Chicks [PDF]

, 2017
Plasma biochemistries provide a complementary method for assessing physiological and nutritional status of free-ranging wild birds. Triglycerides, total protein and alkaline phosphatase were determined in 110 free-living Imperial Cormorant (Phalacrocorax
Gallo, Luciana, Quintana, Flavio Roberto, Svagelj, Walter Sergio, Uhart, Marcela María   +3 more
core   +1 more source

Population trends of dabbling ducks wintering in the alluvial valleys of Arkansas and Mississippi

Wildlife Biology, EarlyView.
Population abundances, distributions, and compositions across a diversity of taxa are changing, partly as a consequence of human‐induced global modifications. Although linking population fluctuations to anthropogenic‐induced alterations can be challenging, it is increasingly clear that long‐term monitoring is critical to understanding changing ...
Melanie R. Boudreau, Houston Havens, Brett Leach, Luke Naylor, James T. Callicutt, Aaron T. Pearse, J. Brian Davis   +6 more
wiley   +1 more source