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Content with tag water pollutants .
Nitrate pollution in surface waters of the Doñana catchment
The aquatic ecosystems of Doñana and those of its watersheds are highly threatened by multiple human pressures. Among them, the strong development of agriculture and the increase of population have...
Parasites help brine shrimp cope with arsenic habitat contamination
Do parasites weaken their hosts’ resilience to environmental stress? Not always, according to this study. Rather than weakening its brine shrimp intermediate host, tapeworm infection enhances the...
The killer whales of the Strait of Gibraltar are different
A key goal for wildlife managers is identifying discrete, demographically independent conservation units. Previous genetic work assigned killer whales that occur seasonally in the Strait of...
PCB pollution continues to impact populations of orcas and other dolphins in European waters
Organochlorine (OC) pesticides and the more persistent polychlorinated biphenyls (PCBs) have well-established dose-dependent toxicities to birds, fish and mammals in experimental studies, but the...
Low levels of chemical anthropogenic pollution may threaten amphibians by impairing predator recognition
Recent studies suggest that direct mortality and physiological effects caused by pollutants are major contributing factors to global amphibian decline. This study shows how sublethal concentrations...