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Tag: "forests" at biology news

Researchers find 24 species believed new to science in Suriname rainforest

...the only former Dutch colony in South America, the forests are at risk from foreign logging and other resource extraction. Cutting and burning tropical forests worldwide contributes 20 percent of the total carbon emissions into the atmosphere, more than all th...

Scientists close in on missing carbon sink

...issing carbon sink, concludes that intact tropical forests are removing an unexpectedly high proportion of ca... carbon dioxide assumed to be absorbed by northern forests is instead taken up in the tropics. "Our study will provide researchers with a much better unders...

Ecology in an era of globalization

... "Timber production in selectively logged tropical forests in South America," "Assessing invasive alien species across multiple spatial scales: working globally and locally," and "Cascading events in linked ecological and socioeconomic systems....

Madagascan tropical forests return thanks to better management and well-defined ownership

...PLoS ONE, shows that although loss of tropical dry forests occurs in southern Madagascar, there are also large areas of forests regenerating. The return of forest cover was found to be substantial in the study area, with an over...

Confirmed -- deforestation plays critical climate change role

...s of global fossil fuel combustion. So maintaining forests as carbon sinks will make a significant contributi...on computer models. The results show that tropical forests continue to accumulate carbon through to the end of the century, although they may become less effic...

MIT's ocean model captures diversity of underwater forests

...eated an ocean model so realistic that the virtual forests of diverse microscopic plants they "sowed" have gr...rst to reflect the vast diversity of the invisible forests living in our oceans-tiny, single-celled green plants that dominate the ocean and produce half the o...

Tundra disappearing at rapid rate

...ed changes in the density and altitude of treeline forests in southwestern Yukon over the past 300 years. Using tree rings, they were able to date the year of establishment and death of spruce trees and reconstruct changes in treeline vegetation. The study is published in the "Journal of Ecology." They fo...

Human's ecological footprint in 2015 and Amazonia revealed

...tation causes collateral damage to the surrounding forests ?through enhanced drying of the forest floor, incr...es, and lowered productivity. The loss of healthy forests can degrade key ecosystem services, such as carbon storage in biomass and soils, the regulation of w...

Tropical forests -- Earth's air conditioner

...e these trees are planted. In particular, tropical forests are very efficient at keeping the Earth at a happy...e National Laboratory, found that because tropical forests store large amounts of carbon and produce reflective clouds, they are especially good at cooling the...

Cambodian vulture nests offer hope for species

Working in the remote forests of Cambodia, conservationists from the Wildlife Conservation Society (WCS) have just discovered Southeast Asia's only known breeding colony of slender-billed vultures, one of the world's most threatened bird species. Found in heavily forested coun...

Farmed salmon could become an invasive species in forest streams

...aped salmon indicate that streams on four national forests may be at risk: the Tongass and Chugach NF in Alas...n in Pacific Northwest streams whether in national forests or in state and private forests." ...

How trees manage water in arid environments

...nta Catalina Mountains near Tucson, Ariz. Mountain forests are an important source of water for the rest of such semi-arid regions, and these forests provide relatively isolated conditions where scientists can get a clearer picture of what is happeni...

New sucker-footed bat discovered in Madagascar

...zopoda schliemanni, occurs only in the dry western forests of Madagascar, while the previously known species,... Myzopoda aurita, occurs only in the humid eastern forests of Madagascar, according to new research recently published online in the journal Mammalian Biology....

Canada's new government invests $200M in the fight against the mountain pine beetle

... beetle and address its impacts on communities and forests in British Columbia. The Federal Mountain Pine Beetle Program will provide $200 million to minimize the consequences of the beetle infestation and assist in efforts to slow the infestation's eastward spread. "This outbreak is a major threat to the e...

Mystery of fossilized trees is solved

...east 8 metres in height and formed the first known forests on earth. Dr Berry, of Cardiff's School of Eart...ment in the history of the planet. The rise of the forests removed a lot of Carbon Dioxide from the atmosphere. This caused temperatures to drop and the planet...

Amur leopard still on the brink of extinction, scientists say

...d needs 500 square kilometers of habitat with good forests and high and stable amounts of ungulates, including deer. Two to four female leopards would live in the same amount of land, reproduce and nourish their cubs. "Maybe this is the reason why leopards practically completely disappeared from the Korea...

Custom-made cancer cell attacks

...ple, in British Columbia they are losing each year forests the size of Rhode Island because of beetle infestation, because it is not cold enough in the winter to kill the beetles, and they are killing the forest.'' Achievable goals The president's target of 35 billion gallons of alternative fuels by ...

Cellulosic ethanol: Fuel of the future?

...ple, in British Columbia they are losing each year forests the size of Rhode Island because of beetle infestation, because it is not cold enough in the winter to kill the beetles, and they are killing the forest.'' Achievable goals The president's target of 35 billion gallons of alternative fuels by ...

Birth rate, competition are major players in hominid extinctions

...y. However, when climate changed so that tropical forests shrunk and the environment became patchy, many species including primate species became extinct. "While past primate populations moved with the forest, early hominid cultures 2.5 million years ago show signs of the ability to live in marginal area...

How to manage forests in hurricane impact zones

...cane occurrence) from the vulnerability of coastal forests and outcome risk (hurricane severity). "There r... to reduce risk, and provides a start for managing forests for hurricane risk," says Stanturf. "Additional research is needed on the effects on vulnerability o...

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