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Tag: "biodiversity" at biology news

Ecosystem services and invasive species

...iate that while we are all concerned about loss of biodiversity in the rainforests and coral reefs that we at least start to learn what is in our own backyards. Tennessee and neighboring states contain the world's richest diversity of freshwater mussels. How can we start to protect these mussels, if we don't ev...

Global warming may have damaged coral reefs forever

...0 per cent in the heavily impacted sites. Reduced biodiversity results in a more fragile and less stable ecosystem. Smaller fish have reduced in number more quickly than larger species but their decreased availability has started to have a more lasting effect on the food chain, and this effect is likely to be ...

New research finds surveys of larval-stage organisms effective for measuring marine biodiversity

There is a push to document the biodiversity of the world within 25 years. However, the magnitu...istant professor of biology at BU, discovered that biodiversity is greatly underestimated in the region of the Pacific known as the "Coral Triangle" and in the Red ...

Major initiative proposed to address amphibian crisis

...es of this problem. "This is part of an overall biodiversity crisis, and amphibians seem to have been hit the hardest of all vertebrate species," said Andrew Blaustein, a professor of zoology at Oregon State University and one of the pioneers in this field, who first helped document amphibian declines almost 2...

Scientists describe new African monkey genus ?first in 83 years

... to significantly improve our understanding of the biodiversity of this planet," Stanley says. "Within hours of Sophy Machaga creeping through the rain-soaked forests of Rungwe documenting the behavior of a troop of Kipunji, Link Olson of University of Alaska Museum was trudging through the snow in 20-degrees-bel...

Report warns about carbon dioxide threats to marine life

...s and has the potential to substantially alter the biodiversity and productivity of the ocean," says Victoria Fabry of California State University, San Marcos, who is another of the report's authors. Threats to major ecosystems Several other major ecosystems that are supported by marine calcifiers may be part...

Biotech cotton provides same yield with fewer pesticides

...se fewer chemical insecticides and maintain insect biodiversity when they plant the biotech cotton known as Bt cot...so known as transgenic cotton, does not affect the biodiversity of insects in cotton fields. Carrière said, "There were lots of factors that affected biodiversity...

Cougar predation key to ecosystem health

...lates, the sustainability of riparian habitats and biodiversity may require both predation on these herbivores as well as the fear of predation to further affect their behavior, the researchers concluded. Ripple and Beschta considered other factors that may have played a role in loss of cottonwood trees in...

Ground spider diversity studied in research project

...perience and can also be used in larger studies of biodiversity and production agriculture involving spiders." F...give researchers a baseline for further studies on biodiversity and the impact of humans on the environment, Henderson said. Henderson's studies have allowed her ...

Fragmentation rapidly erodes Amazonian biodiversity

...entation poses an even greater threat to Amazonian biodiversity than previously thought. Their findings, to be published next week (27 November ?1 December) in the journal Proceedings of the National Academy of Sciences USA, summarizes key findings from the world’s largest and longest-running experimental stud...

A human taste for rarity spells disaster for endangered species

...abilize threatened populations. How to conserve biodiversity when simply declaring a species endangered catalyzes its exploitation? Since many collectors, pet owners, and ecotourists actually care about biodiversity, the authors hope that education may go a long way toward curbing these human activities. Educa...

China's environmental challenges

...r shortages, water and air pollution, cropland and biodiversity losses are escalating. The September issue of F...rban expansion of Shanghai as well as the state of biodiversity in China's mountains. Focusing on major cities such as Shanghai, Shuqing Zhao (Peking University) a...

Extraordinary life found around deep-sea gas seeps

...continental margin. But this is the first time the biodiversity of the animal communities living at these sites has been observed directly and thoroughly documented, providing the first discovery of cold seep communities in the entire southwest Pacific. 'The nearest known cold seep communities that have been b...

LSU professor discovers new species

...cal in that they allow scientists to examine known biodiversity in order to determine a species is new." He and Da...d describing biodiversity." The global decline of biodiversity has become a major public issue recently, and the use of modern molecular methods is proving to be f...

First Biodiversity Census of coral reef ecosystems in the NW Hawaiian Islands

...will embark on an expedition to explore coral reef biodiversity in the largest fully protected marine area in the ... Fish and Wildlife Service (USFWS) stated that the biodiversity surveys being conducted during this expedition are "one of the priorities for conserving all the mon...

By 2048 all current fish, seafood species projected to collapse

... ecologists and economists studied the role marine biodiversity plays in maintaining ecosystem services, which are... of thestate of ecosystem services provided by the biodiversity of the world's oceans to humanity," said Science International Managing Editor Andrew Sugden. "The n...

Global map shows new patterns of extinction risk

...ptions that have previously been made about global biodiversity of endangered species." Professor Owens adds that this geographical discrepancy in hotspots of endangered species from different groups can be explained by the different factors that threaten mammals, birds and amphibians: "Endangered bird species...

Recently discovered species gain protection

...re that the piha, its habitat, and the astonishing biodiversity contained there are better protected and can thrive into the future." ...

Biologists produce global map of plant biodiversity

...p is the most extensive map of the distribution of biodiversity on Earth to date. The map, which accompanies a study published in this week's early online issue of the journal Proceedings of the National Academy of Sciences, highlights areas of particular concern for conservation. It also, the scientists say, pr...

Cellulosic ethanol: Fuel of the future?

...ccording to Somerville, ''Climate change threatens biodiversity more than anything that I know. For example, 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 fores...

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