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Marine populations have halved since 1970

RATE THIS! +53
Posted in Science on 16th Sep, 2015 09:00 AM by AlexMuller

Populations of marine mammals, birds, fish and reptiles have declined by 49% since 1970, a report says. Some species people rely on for food are faring even worse, noting a 74% drop in the populations of tuna and mackerel. In addition to overfishing, the report also says climate change is having an impact.

 

The document was prepared by the World Wildlife Fund and the Zoological Society of London. "Human activity has severely damaged the ocean by catching fish faster than they can reproduce while also destroying their nurseries," said Marco Lambertini, head of WWF International.
 
The report says that sea cucumbers - seen as a luxury food throughout Asia - have seen a significant fall in numbers, with a 98% in the Galapagos and 94% drop in the Red Sea over the past few years. The study notes the decline of habitats - such as seagrass areas and mangrove cover - which are important for food and act as a nursery for many species. Climate change has also played a role in the overall decline of marine populations.

Tags: oceanclimate changelifebiologypollutionnature

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Comments

Author: Guest
Posted: 2015-09-16
+1
People directly -by consuming- or indirectly -by changing habitats in many ways- have such a big effect on life on this planet. How much more Life on Earth can take? I think not much more
2 Replies
Author: Guest
Posted: 2015-09-16
+0
What a devastation! These numbers for decline in groups of animals and some species are just so high - unbelievable Reply
Author: Guest
Posted: 2015-09-17
+0
What is most alarming is that the reference point is 1970, so recent. Speed of decline is so fast and if tend continues distraction will be immense Reply
Reply


 

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