The populations of marine animals (mammals, birds, reptiles and fish) have halved since the 1970s as a result of overfishing, pollution and climate change, warned yesterday the Agency Non Governmental WWF
“In human action it is the origin of these trends. overfishing and extractive industries to coastal development and pollution, through the issuance gas responsible for the greenhouse ocean acidification and warming of the seas, “complains World Wildlife Fund (WWF) based in Switzerland.
Besides man’s appetite for fish is increasing: global average consumption per capita has increased from 9.9 kg in 1960 to 19.2 kg in 2012. The WWF Living Planet Index, which measures the population of marine animals, registered a decline of 49 % between 1970 and 2012.
Certain species lost nearly 75% of its workforce, says the NGO, which bases its conclusions on the observation of 5,829 populations of 1,234 species. The sharp decline took place between 1970 and mid 1980. Then there was a relative stability before the effective return of populations to decline recently.
This global index hides variations considerable between regions of the world. the actual rise in the high latitudes (about a general level in reverse) and instead fall in tropical and subtropical environments
The experts say seagrass beds and coral reefs on the planet could disappear by 2050 because of global warming. The loss of reefs would represent a “catastrophic extinction of dramatic consequences for the communities,” says WWF.
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