Global warming makes it harder for marine animals than land animals

Marine animals are more vulnerable to global warming than the animals on land, which has led the sea creatures to disappear faster than the land animals, according to a recent study.

Though land animals are at risk as they are not able to adapt to the new climate changes, the marine animals are at a higher risk as a rise in temperature controls their geographic limits, oxygen availability and nutrient supplies, the research said.

The researchers from Rutgers University have found that the population of ocean species are vanishing at double the rate of land animals. It was the first study comparing the temperature effect on animals on land and sea.
The researchers have analysed as many as 400 species for the study. They conducted thermal safety margins in the marine as well as terrestrial species to determine how much warming they could tolerate.

As per the thermal safety margins, it was found that the heat was much for many of the species. They also found many of the marine species had vanished from their historical territory and the rate of disappearance was seen to be two fold than that of terrestrial animals.

The researchers say that even a slight variation in the temperature could affect marine life. When some species can migrate to other regions, some others such as sea anemones and corals cannot move and get extinct from a region.

The Study also points out that Winter Flounder, Atlantic Halibut and ocean quahog have all disappeared from the natural territories. The scientists also say that cardinal fish and damselfish that lived on coral reefs were seen to have disappeared from certain regions.

It has also been reported that many of the species that experience warming do not have any place to hide in the ocean like that of the animals in the land. As such they are just wandering and swimming in the warm waters only. The researchers also warn of ocean deserts in the future where no fish could live.

They have also pointed out to extreme ocean heat wave that has already devastated some the ocean ecosystem.
Apart from calling to bring down greenhouse gas emission, the researchers suggest stopping overfishing, limiting the destruction of ocean habitat and rebuilding overfished population as a means to address the species loss.

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