Giant trees dying because of climate change

As the observations of experts, has recently risen dramatically deaths of giant trees and trees with an impressive age. This fact can not be taken calmly, as together with the tree-giant killed an entire mini-ecosystem, as in the crowns of trees and their roots live several species of birds, many insects and other living organisms.

This problem applies to almost all existing types of forests in the world, say the Australian University of James Cook and his colleagues in Washington, USA. Their research, they started with a forest in Sweden and for the beginning of his observations have forests

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Climate change by 2100, will increase the acidity of the oceans is 2.5 times

Climate change by 2100, 150% can increase the acidity of the oceans, lowering the pH of seawater by 0.3 points since pre-industrial times, it could have serious consequences for the 1 billion people who rely on seafood is the primary source of protein, according to the report of the UN Environment Programme (UNEP), released on Thursday in talks on climate change in Cancun, Mexico.

Conference of Parties to the UN Framework Convention on Climate Change (UNFCCC), which runs from 29 November to 10 December, will be the 16th meeting in a row and sixth of the Parties — the parties

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In the Black Sea, there are only three species of fish

The deterioration of the Black Sea ecosystem has greatly reduced the population of valuable fish species. Now there were only sprat, anchovy and sprat.

This was stated by the Deputy Director of the Institute of Biology of the Southern Seas (IBSS) for Science, Doctor of Biological Sciences Yuri Tokarev.

"That's what we got: sprat, sprat, anchovy. Before, there were sturgeon, turbot, bluefish, mullet. That was the main fish. Black Sea mackerel not. Anchovy and sprat are already 90% of the whole fish, which is found in the Black Sea.

The reason — overfishing and the barbaric attitude of man

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Shark in Egypt — the worst predictions come true

Recent shark attack on tourists in Egypt have put the scientific community to a standstill. It appeared that the shark attack on tourists of different species. This may mean some changes in global sea that make very different kinds of sharks look for food near the shore, and, first of all, consider the swimmers as the object of hunting. Mako shark caught was found guilty of attacks on tourists from Russia and Ukraine, which occurred on November 30 and December 1 — teeth marks on the bodies of the victims of this kind of match the teeth of sharks.

Mako,

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New Christmas menu with the global warming

With some of the climate change and influence unduly active catching marine life for a meeting of the Nativity in 2012 Spaniards forced to adjust some holiday menu. Already, it is clear that the number of dishes from fish and seafood particularly reduced.

This is confirmed by calculations of scientists, exploring the coastal areas of Spain. Recently, the population decreased significantly near the Galician octopus. Experts say that the reason for this was the increase in the average temperature of the sea water, which is detrimental to the species. On the other hand, the place of octopus on a

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Biologists will drop to Guam poisoned mice to reduce the population of snakes

American biologists this spring will be delivered to the island of Guam poisoned food for snakes — dead mice to reduce the population of reptiles that threaten the ecosystem of the island, said on Saturday, Reuters reported.

In recent years, the spread of snakes on the Pacific island, in particular, the type of brown boyga has acquired alarming proportions. According to scientists, because of the reptiles, which in Guam have no natural predators, native birds are threatened with extinction. Scientists fear that snakes from Guam will spread to other islands, particularly in Hawaii, which are from Guam to more than

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First want to create a natural park in the Novosibirsk region

The initiative group of experts and social activists has set up the first natural park in the Novosibirsk region in Karakan boron, where the habitats of animals and plants Red, told RIA Novosti is one of the initiators of the project, a member of the public association "Karakansky advice" Alexander Dubynin.

Karakansky boron is an array of pine grass burs, which stretches along the right bank of the Ob reservoir area of over 100,000 hectares. In it there are more than 30 species listed in the Red Book, — white-tailed eagle, black stork, ground orchids and others.

According Dubynina,

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En + and WWF have created a working group on the project on a tributary of the Amur River hydropower

The company En + Group and the World Wildlife Fund (WWF) Russia began a comprehensive study of the impact of hydropower on the ecosystem and socio-economic development of the Amur River basin, the company said.

In February, the company "EuroSibEnergo" (a subsidiary of "Rusal" Oleg Deripaska owns En +) announced plans for the construction of hydropower plants on the river Shilka — a major tributary of the Amur River. Interest in the project showed China Yangtze Power Company, owner of the world's largest hydropower plant "Three Gorges" in China. Later, after receiving a number of comments from environmental groups the

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Coffee trees can disappear from Africa in the next 70 years — scientists

Arabian coffee trees, from which the grains are Arabica coffee beans, may disappear from Africa by 2080, said the report of the Royal Botanic Gardens Kew Society (RBGK, UK).

In total there are about 40 species of coffee trees, 19 of which are of commercial value, and the grain of only three species of trees for export. So, arabica coffee beans produced from the Arabian coffee tree, Liberica — Liberian and Robusta — Kanefora coffee tree. While arabica occupies most of the world market of coffee beans. Arabian tree grows in tropical Asia and Africa.

"Arabian coffee trees may disappear

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Desertification of Northeast China is accelerating the water system

Now and north-western China has faced such problem as desertification. At the moment the threat is exposed Salt Lake IB and its ecosystem, which in four years may disappear completely. If this happens, and if time is not taken appropriate steps, we will gladly make room take Mutetar desert.

Disappearing Lake is located in the Gobi region in the north-western part of the country's rich salt basin, bordering Kazakhstan. IB literally dries up from the inside under the influence of various climatic factors. With the onset of the desert every year the lake loses more than 38 km2 of

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