Earth News, Earth Science, Energy Technology, Environment News

August 24, 2015

Humans as predators: An unsustainable appetite for adults and carnivores
Washington DC (SPX) Aug 21, 2015
Humans are just one of many predators in this world, but a new study highlights how their intense tendency to target and kill adult prey, as well as other carnivores, sets them distinctly apart from other predators. As humans kill other species in their reproductive prime, there can be profound implications - including widespread extinction and restructuring of food webs and ecosystems--in both terrestrial and marine systems. To evaluate the nature of human predation compared to nonhuman predation ... read more

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Regulatory, certification slows down use of genetically altered trees Myriad regulations and certification requirements around the world are making it virtually impossible to use genetically engineered trees to combat catastrophic forest threats, according to a new po ... more		More grasslands in Tibet could bring climate improvements In the Arctic, warming increases like a spiral. Global warming means that the periods of growth are becoming longer and vegetation growth is increasing. At the same time, heat transfer to the Arctic ... more		Caught in a complex web Food webs are incredibly complex networks of interactions between organisms and the things they eat. One creature's prey is another creature's predator, while some organisms consume one type of food ... more
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