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| http://dx.doi.org/10.3897/BDJ.5.e11176 | DOI Listing |
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Bio-concentration of hazardous metals in migrant shorebirds in a key conservation reserve and adjoining areas on the west coast of India.
Ecotoxicol Environ Saf
January 2025
Department of Biology, United Arab Emirates University, Al Ain 15551, United Arab Emirates; Department of Science, The Natural History Museum, Cromwell Road, South Kensington, London SW7 5BD, UK. Electronic address:
Heavy metal pollution is a growing environmental concern as it causes the degradation of wetlands by affecting the organisms at different trophic levels. Shorebirds typically feed on benthic invertebrates including polychaete worms, crustaceans and molluscs. Thus, the assessment of bioconcentration of heavy metals in shorebirds provides an insight into the extent of bioaccumulation of these hazardous metals in the upper trophic levels.
View Article and Find Full Text PDFThe trans-european catchment area of common noctule bats killed by wind turbines in France.
Sci Rep
January 2025
Leibniz Institute for Zoo and Wildlife Research (IZW), Alfred-Kowalke-Str. 17, 10315, Berlin, Germany.
Wind turbines used to combat climate change pose a green-green dilemma when endangered and protected wildlife species are killed by collisions with rotating blades. Here, we investigated the geographic origin of bats killed by wind turbines along an east-west transect in France to determine the spatial extent of this conflict in Western Europe. We analysed stable hydrogen isotopes in the fur keratin of 60 common noctule bats (Nyctalus noctula) killed by wind turbines during summer migration in four regions of France to predict their geographic origin using models based on precipitation isoscapes.
View Article and Find Full Text PDFEstimating an Elephant Population Size Through Local Ecological Knowledge.
Biology (Basel)
November 2024
Anthropology and Geography, School of Law and Social Sciences, Oxford Brookes University, Oxford OX3 0BP, UK.
In planning and monitoring measures to protect wildlife in an area, it is important to have a reliable baseline estimate of population size and trends. There has been minimal published information on a small population of elephants, a keystone and endangered species, in a large area west of Etosha National Park in Namibia, known locally as the Northern Highlands. It is a highly remote, mountainous area in which it is difficult to count elephants.
View Article and Find Full Text PDFBiogeochemical patterns in prey species reveal complex mercury exposure pathways from the environment to Aleutian Steller sea lions.
Mar Pollut Bull
December 2024
Department of Biology and Wildlife, University of Alaska Fairbanks, 2090 Koyukuk Dr, Fairbanks, AK 99775, USA; Institute of Arctic Biology, University of Alaska Fairbanks, 2140 Koyukuk Dr, Fairbank, AK 99775, USA.
Several wildlife species exhibit marked spatial variation in toxicologically relevant tissue concentrations of mercury across the Aleutian Islands of Alaska, most notably the endangered Steller sea lion (Eumetopias jubatus). To unravel potential environmental and trophic pathways driving mercury variation in this species of concern, we investigated spatiotemporal and ecological patterns in total mercury concentrations and stable isotope ratios of carbon and nitrogen from muscle tissues of twelve mid-trophic level prey species of the region (n = 1461). Dividing samples into island groups explained biogeochemical variation better than larger spatial resolutions, with Amchitka Pass and Buldir Pass acting as strong geographic break points.
View Article and Find Full Text PDFIsolation and characterization of methicillin-resistant Staphylococcus aureus from bovine mastitis in North West Cameroon: public health implications.
BMC Res Notes
December 2024
Department of Microbiology and Parasitology, Faculty of Science, University of Buea, Box 63, Buea, Cameroon.
Objectives: Methicillin-resistant Staphylococcus aureus (MRSA) is a zoonotic pathogen that poses a serious threat to veterinary and public health worldwide. We investigated mastitis milk samples for contamination with MRSA and also characterized the MRSA isolates by investigating antimicrobial resistance and virulence factors.
Result: We confirmed MRSA in 69 of 201 (34.
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