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The liger is a hybrid offspring of a male lion (Panthera leo) and a tigress, or female tiger (Panthera tigris). The liger has parents in the same genus but of different species . The liger is distinct from the opposite hybrid called the tigon (of a male tiger and a lioness), and is the largest of all known extant felines .
The environmental impact of fishing can be divided into issues that involve the availability of fish to be caught, such as overfishing, sustainable fisheries, and fisheries management; and issues that involve the impact of fishing on other elements of the environment, such as by-catch and destruction of habitat such as coral reefs. [51]
The effects of climate change on human health are profound because they increase heat-related illnesses and deaths, respiratory diseases, and the spread of infectious diseases. There is widespread agreement among researchers, health professionals and organizations that climate change is the biggest global health threat of the 21st century.
Human activities affect marine life and marine habitats through overfishing, habitat loss, the introduction of invasive species, ocean pollution, ocean acidification and ocean warming. These impact marine ecosystems and food webs and may result in consequences as yet unrecognised for the biodiversity and continuation of marine life forms. [3]
[4] [5] Management of the global atmosphere now involves assessment of all aspects of the carbon cycle to identify opportunities to address human-induced climate change and this has become a major focus of scientific research because of the potential catastrophic effects on biodiversity and human communities. Other human impacts on the ...
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The gorges zone has since been protected as a ‘Natura 2000’ site under European Union environmental legislation. [22] A pristine gorge of the Loire. The WWF were particularly important in changing the perception of the French authorities in support for dam building to environmental protection and sustainable management of its river basin. [22]
A Liberian tropical forest. Environmental issues in Liberia include the deforestation of tropical rainforest, the hunting of endangered species for bushmeat, the pollution of rivers and coastal waters from industrial run-off and raw sewage, and the burning and dumping of household waste.