The numerous health benefits provided by fish consumption may be compromised by the
presence of toxic metals and metalloids such as lead, cadmium, arsenic and mercury, which …

Mixed species groups have long been noted in birds, but they also occur among different
species of mammals ranging from closely related species to species from different orders …

Stable isotope analysis (SIA) has emerged as a common tool in ecology and has proven
especially useful in the study of animal diet, habitat use, movement, and physiology. SIA has …

Large volumes of produced water are generated and discharged to the coastal and ocean
waters worldwide from offshore oil and gas production facilities. There is concern that the …

During the past few decades, increasing concern about environmental pollution has led to
many investigations on heavy metals and their distribution in the sea, air or biological …

Stable isotope analysis (SIA) has become a powerful tool for ecotoxicologists to study
dietary exposure and biomagnification of contaminants in wild animal populations. The use …

Heavy metal contents were investigated in different organ tissues of Red Pandora (Pagellus
erythrinus) from the eastern Aegean Sea between May 1996 and July 1998. The …

Evaluating the impacts of climate and fishing on oceanic ecosystems requires an improved
understanding of the trophodynamics of pelagic food webs. Our approach was to examine …

There is increasing recognition of the importance of “positive interactions” among species in
structuring communities. For seabirds, an important kind of positive interaction is the use of …

Cephalopods, especially squids, are believed to have a structuring role in marine
ecosystems as a link between different trophic levels, primarily due to their voracious prey …