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Exposure to anthropogenic chemicals in wild carnivores: a silent conservation threat demanding long-term surveillance

AuthorsRodríguez-Estival, Jaime ; Mateo, Rafael
Risk assessment
Issue Date2019
CitationCurrent Opinion in Environmental Science & Health 11: 21-25 (2019)
AbstractTop predators are fundamental drivers in maintaining ecosystems and preserving biodiversity. However, a number of species have experienced severe population declines and currently face critical conservation challenges. Although exposure to chemical contaminants has been recognized as a meaningful threat for wild carnivores, their population effect has been more rarely assessed. Here, we focus on species in the mammalian order Carnivora to review some of the most relevant case studies that have led to identification of chemical exposure (i.e. organohalogen compounds, mercury, anticoagulant rodenticides, and intentional poisoning) as an anthropogenic force that may compromise the conservation of top predators. We point out the challenges that should be considered in future ecotoxicological research on wild carnivores, highlighting the relevance of long-term monitoring surveillance in conservation programs.
Publisher version (URL)https://doi.org/10.1016/j.coesh.2019.06.002
Appears in Collections:(IREC) Artículos
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