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Tag: "east" at biology news

'Dead zone' summer killed billions of ocean state mussels

...ed since 1990. "Dead zones" can be found along the east coast of the United States, in the seas of Europe, as well off Australia, Brazil, and Japan. One of the biggest "dead zones" is in the Gulf of Mexico, where it has grown to an area as big as New Jersey. Altieri and Witman said lessons from Narragans...

Afghanistan to protect wildlife and wild lands

... first European travelers along the silk routes to east Asia and who described the giant sheep in his writings in the late 13th Century. Other mammals known to occur in Afghanistan include the ibex, the Persian leopard, gazelles, and the elusive snow leopard. Specifically, five areas being considered by ...

Use of stone hammers sheds light on geographic patterns of chimpanzee tool use

...spread by a physical barrier: It was absent to the east of the river because it had not been invented ther...that chimpanzees crack open nuts more than 1700 km east of the supposed barrier challenges this long-accepted model. According to the authors of the study, ...

Invasive species alter habitat to their benefit

...e narrow-leaf cattail, which was introduced on the east coast in the early 19th century and eventually found its way inland; and a hybrid of the two species that is larger than either parent and tolerates a wider range of environmental conditions. In the marshes she studied, Farrer found that hybrids w...

Fire ants: Their true story told by the scientist who loves them

...Southwood Plantation ?a corporate cattle farm just east of Tallahassee ?to area strip malls. The parking lot behind a local grocery store is a particular favorite. "Fire ants specialize in exploiting disturbed habitat, and they've thrived in part because humans have done a lot of disturbing," he said. O...

Mobile DNA part of evolution's toolbox

...o until a live specimen was caught in 1938 off the east coast of South Africa. The coelacanth is a descendant of the ancient marine organism that gave rise to the terrestrial vertebrates more than 360 million years ago. Humans are therefore separated from the coelacanth by hundreds of millions of years of...

Study suggests evolutionary link between diet, brain size in orangutans

...nly from west Borneo and not from resource-limited east Borneo, she added. In their own studies, as well as in studies by other researchers, "we see greater anatomical differences amongst the Bornean populations than we see between the Bornean and Sumatran populations," Taylor said. In addition to hav...

New evidence of early horse domestication

...ssia," she said. "Then some horse-herders migrated east to Kazakhstan." Horses allowed the Botai to build large perennial villages with, in one case, hundreds of homes. They did so without the benefit of agriculture, Olsen explained, as theirs was a horse economy. The Botai were able to stay put year-...

History-hunting geneticists can still follow familiar trail

...lorers branched away from humanity's birthplace in east Africa some 65,000 years ago, distinct mutations accumulated in the DNA of each population, essentially providing a genetic trail for modern researchers to follow. Recently some scientists have raised doubts about this classic genetic system to stud...

Extraordinary life found around deep-sea gas seeps

...ties living around methane seeps off New Zealand's east coast. 'This is the first time cold seeps have b...r 'chemosynthetic' ecosystems around New Zealand's east coast onboard NIWA's deepwater research vessel Tangaroa. Cold seeps are areas of the seafloor whe...

Overfishing large sharks impacts entire marine ecosystem, shrinks shellfish supply

... sharks have been functionally eliminated from the east coast of the U.S., meaning that they can no longer...tion increase of about eight percent per year, the east coast cownose ray population may now number as many as 40 million. The rays, which can grow to be mo...

Volcanic eruptions, ancient global warming linked

... link between massive volcanic eruptions along the east coast of Greenland and in the western British Isle..., they were able to positively match ash layers in east Greenland with those in marine sediments in the Atlantic Ocean. "We think the first volcanic erup...

Fish growth changes enhanced by climate change

...-year-long record at Maria Island on the Tasmanian east coast, and using 400-year-old deep-ocean corals to...hanges in growth rates. In the south west Pacific east of Tasmania sea surface temperatures have risen nearly two degrees, based on the results of a monito...

Post oak grasshoppers emerging

... enormous amounts," Junek said, "and mainly on the east side of my house." If hordes of grasshoppers on houses aren't bad enough, they make their presence even more obnoxious by leaving frass -- or insect excrement -- behind, which often leaves a near-permanent stain, Behmer said The stain is the resu...

The chimpanzee stone age

...cluding the rainforest, and not just the classical east African homeland. ...

Saving endangered whales at no cost

...population of about 350 individuals remains on the east coast of North America. A leading threat to the species is lethal entanglement by fishing gear: Photographic evidence indicates that 75% of individuals show signs of entanglement, mostly from lobster fishing gear. In the new work, the researchers...

New sucker-footed bat discovered in Madagascar

...ely after the bat dispersed across the island from east to west. Bats are the last group of land mammals on Madagascar that have not been intensively studied, Goodman said. "Until a decade ago, these animals remained largely understudied. On the basis of recent surveys and taxonomic research, about one...

Cambodian vulture nests offer hope for species

... species. Found in heavily forested country just east of the Mekong River in Cambodia's Stung Treng Province, the colony also represents one of the only known slender-billed vulture nesting areas in the world, and therefore one of the last chances for recovery for the species, now listed as "Critically ...

Massive herds of animals found to still exist in Southern Sudan

...years ago, have not only survived but have thrived east of the Nile River in numbers that rival those of t...kan. Many non-migratory wildlife species on the east side of the Nile were also significantly reduced. “We did not observe a single zebra during the syst...

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