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Tag: "forests" at biology news

First surveys of Tanzanian mountains reveal 160+ animal species, including new & endemic

...chocyon cirnei) and several birds. The Eastern Arc forests have the densest occurrence of endemic species in ...also observed some alarming encroachments into the forests where these animals live even though the forests are within official reserves. The team observed abo...

Study shows hope for ridding lakes of clawed invader

...of lakes and streams, clear cutting the underwater forests that are critical fish habitat, evicting the native crayfish from one body of water after another and scooping up fish eggs like so much caviar. But the clawed invader, the early results of a long-term University of Wisconsin-Madison study suggest,...

Biodiversity key to sustainable biofuel according to University of Minn. researcher's findings

...n has increased because diverse ecosystems such as forests and prairies have been cleared to make way for agricultural fields planted with monocultures, buildings and roads. Tilman's research has shown that ecosystems containing many different plant species are more productive than those containing only one...

The critical importance of mangroves to ocean life

...viously thought. And while the foul-smelling muddy forests may not have the scientific allure of tropical reefs or rain forests, a team of researchers has noted that the woody coastline-dwelling plants provide more than 10 percent of essential dissolved organic carbon that is supplied to the global ocean fro...

Report shows deforestation threatens Brazil's Pantanal

...ces such as food and breeding sites offered by the forests and other types of vegetation. An example is the hyacinth macaw, a species threatened with extinction, which depends on a tree commonly called 'manduvi' (Sterculia apetala) for shelter and reproduction. Without this specific tree, chances are that th...

Rhinos clinging to survival in the heart of Borneo, despite poaching

...threat of poaching is eliminated." Sabah and the forests of the "Heart of Borneo" still hold huge tracts of...ans, elephants and rhinos still co-exist and where forests are currently large enough to maintain viable populations. WWF aims to assist Borneo's three natio...

Amazon rainforest greens up in the dry season

... major greenhouse gas. The finding that converted forests grow differently from undisturbed forests has implications for understanding fire regimes in the tropics, including the fires that sometimes r...

The Amazon in 2050: Implementing the law could save a million square kilometers of rainforest

... and political forces are rapidly transforming the forests of the Amazon basin, precipitating one of the worl...serves) are expanded to 41 percent of the region's forests (as currently planned by the Brazilian government), protected areas are fully enforced, and only 50 ...

Diverse tropical forests defy metabolic ecology models

...global change accelerates, quantifying the role of forests in the carbon cycle becomes ever more urgent. Mode...owth, mortality and abundance in fourteen tropical forests deviate substantially from metabolic ecology predictions, especially for large trees. Instead, obser...

CU, USDA team to curb two invasive, poisonous vines

...two types of invasive vines are growing rampant in forests and fields, threatening reforestation, fragile butterfly populations and bird habitats. The vines are pale and black swallow-wort, and to find a biological control to stem the growth of and their steady conquest of local ecosystems in the northern U...

Invasive species harms native hardwoods by killing soil fungus

...st this possibility, they collected soil from five forests in Ontario dominated by four species of native har...ts garlic mustard invades the understory of mature forests by poisoning the allies of its main competitors," Stinson says. "By killing off native soil fungi, t...

Genetic study shows humans have pushed orangutans to the brink of extinction

... in orangutan populations living in the fragmented forests of the Kinabatangan Wildlife Sanctuary in Sabah, M...angutan subspecies existing on Earth occurs in the forests of the Sabah Foundation concession, with a population of about 5,000 individuals," says Laurentius A...

Researchers create pigs that produce heart-healthy omega-3 fatty acids

... prosper. It happens in marine sediments, mountain forests ?and, as a new study illustrates, in precancerous tumors, too. In a study published online today in Nature Genetics, Carlo Maley, Ph.D., a researcher at The Wistar Institute, and his colleagues report that precancerous tumors containing a population...

Evolutionary biology research techniques predict cancer

... prosper. It happens in marine sediments, mountain forests ?and, as a new study illustrates, in precancerous tumors, too. In a study published online today in Nature Genetics, Carlo Maley, Ph.D., a researcher at The Wistar Institute, and his colleagues report that precancerous tumors containing a population...

Satellites show Amazon parks, indigenous reserves stop forest clearing

...dn't happen without the people. Extensive intact forests on indigenous territories are central to large-sca...pical forest ecologist, Nepstad has studied Amazon forests and strategies for their conservation for the last 21 years. His research includes forest fires and ...

Tiny polyps gorge themselves to survive coral bleaching

...r temperature and the animals died. "If the rain forests were dying off at this rate, we would all be panicking," explained Andrea Grottoli, an assistant professor of geological sciences at Ohio State and lead author of the study. "The problem is that now, with the planet's climate warming, coral are liv...

Underdogs in the understory: Study suggests nature favors rarer trees

A study of seven tropical forests around the world has revealed that nature encourag...prising finding that biodiversity in tropical rain forests and Minnesota prairies arises from the same kinds of underlying processes. It brings us a step close...

New book on rain forests, slash-and-burn agriculture

...ruction of 80,000 square miles of rain forest. The forests are cleared by rural farmers to feed their families and by other interests seeking to convert forests to agriculture. The loss of the forests threatens Earth's biodiversity and climate. The new book al...

New maps reveal true extent of human footprint on Earth

...nd Brazil, for instance, have increasingly cleared forests to grow soybean, a legume that has never been a traditional crop of Latin America. Scientists say the surge in soybean production there has a lot to do with the booming demand for soy all the way at the other end of the world - in China. Meanwhile, M...

Amazon trees much older than assumed, raising questions on global climate impact of region

Trees in the Amazon tropical forests are old. Really old, in fact, which comes as a sur...row so slowly." And for Trumbore, who studies how forests and the atmosphere exchange carbon, these discoveries can have implications for the role the Amazon ...

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