Journal Article Antarctica Research Support, Non-U.S. Gov't Review climate change Aptenodytes forsteri DNA, Mitochondrial Endangered Species Act Ross Sea adaptive management benthos bycatch captura accesoria climate change ecology climate risk assessments competencia por recursos contaminación marina degradación de hábitat ecosystem collapse foreseeable future habitat degradation human impacts krill marine ecosystems marine mammals marine pollution molecular ecology ocean acidification overfishing paleoecology