Tag: "rainforest" at biology news

Biodiversity, Ecosystem Processes and Human Health

...orested. Patz will discuss the impact of tropical rainforest destruction on malaria in his presentation, "Deforestation, mosquito biodiversity, and the increase of malaria in the Amazon." Human activities, especially agriculture and development, have altered the cycle of nitrogen (N) through soil, air, and...

Insect predation sheds light on food web recovery after the dinosaur extinction

... thick leaves and drip tips, indicating a tropical rainforest completely unlike the other Paleocene floras. This site was on the eastern slope of the Paleocene Front Range, and Johnson and Ellis' work, as well as recent paleoclimate modeling simulations, has suggested that the local geography allowed high rain...

Ancient raptors likely feasted on early man, study suggests

...during the attack, and can also rapidly decay in a rainforest environment. Monkey skulls, shoulder blades and pelvic girdles showed the greatest amount of damage. Most of the skulls were fractured or punctured, presumably from the force applied by the grip of an eagle's talons. There were fractures in the eye ...

The subtleties of tropical forest demise

...irulent chytrid-fungus pathogen that is decimating rainforest amphibians throughout the tropical world. (2) Those that are growing rapidly in importance, such as destructive surface fires in tropical forests. (3) Those that are poorly understood, such as the impacts of global warming and other growing atmospher...

Mysteries of Kilimanjaro

...limanjaro has long been excluded from the tropical rainforest biodiversity hotspot of Tanzania, but these exciting finds change the whole way we think about forest diversity of eastern Africa" said Jon Lovett, an expert in African biodiversity at the University of York. However, the forests of Kilimanjaro are ...

Fragmentation rapidly erodes Amazonian biodiversity

...rovide fruit, nectar, and homes for a diversity of rainforest animals. To understand how fragmentation is affe... and hence store less carbon, than do the original rainforest trees they replaced. The carbon from the dead rainforest trees is broken down by microbes and fungi...

Mode of seed dispersal greatly shapes placement of rainforest trees

...orest. This study of the seed dispersal methods of rainforest trees demonstrates that these methods play a prima...." In order to address the paradox of how so many rainforest species can coexist while competing for the same resources, Plotkin and Seidler studied a 50-hectare...

LSU professor discovers new species

...One of the best methods for finding lizards in the rainforest is to look under logs. We found two individuals of the new species under one log and two more under another." With more than 15 years of fieldwork experience behind him, Austin knew immediately that he had found a new species. After collecting the li...

2006 is banner year for discoveries of new species in Borneo's rainforests

...the size of Kansas that is covered with equatorial rainforest in the center of the island. Large areas of the forest are at risk from destructive logging and expanding rubber, oil palm and pulp plantations. Since 1996, deforestation across Indonesia has increased to an average of 7,700 square miles each year, a...

Dust to gust

...f of the dust needed for fertilizing the Brazilian rainforest is supplied by a valley in northern Chad, accordin...ore than a decade that the existence of the Amazon rainforest depends on a supply of minerals washed off by rain from the soil in the Sahara and blown across the ...

Smithsonian receives $8M HSBC grant

...d States; its focus is tropical research including rainforest ecology and other biodiversity issues. The HSBC gr...onitoring program, covering all the major tropical rainforest areas of the world. "With this generous grant from HSBC, Smithsonian scientists will put key scient...

Researchers unearth 4,300-year-old chimpanzee technology

...ees, uncovered stone 'hammers' last year in the Ta rainforest of Africa's Cte D'Ivoire (Ivory Coast) that date back 4,300 years. Mercader and co-investigators from Germany, UK, the U.S. and Canada report on the findings in the latest edition of PNAS, the Proceedings of the National Academy of Sciences. PNAS ...

Paper challenges 1491 Amazonian population theories

...rn paleo-ecologist who travels to extremely remote rainforest locations to collect core samples from ancient lak...d the Americas, andthat in Amazonia, at least, the rainforest is the product of long termhuman use, has been used as farmers and loggers as justification forclear...

New species declared: Clouded leopard on Borneo and Sumatra

...a is an entirely new species of cat. The secretive rainforest animal was originally thought to be the same speci...the Heart of Borneo, a wild, mountainous region of rainforest the size of Kansas. WWF recently released a report showing that scientists had identified at least ...

Scientists: As rainfall changes, tropical plants may acclimate

...ls but have vastly different rainfall. The wettest rainforest sites receive an astonishing 196 inches of rain annually, while the driest sites in this study get about 79 inches. "That's the range of rainfall you might find across the entire tropics, but that would usually be over hundreds or thousands of kilo...

Drought sensitivity shapes species distribution patterns in tropical forests

Looking at a rainforest its easy to see that there are hundreds of different tropical plant species that inhabit the forest. Although the patterns of plant distributions in tropical forests have been widely studied, the reasonings behind these patterns are not as well known...

Brazil demonstrating that reducing tropical deforestation is key win-win global warming solution

...rate that during years of severe drought, tropical rainforest fires can double emissions from tropical forests. Now, an international team of forest and climate researchers has found that halving deforestation rates by mid-century would account for 12 percent of total emissions reductions needed to keep concent...

Lessons from the orangutans: Upright walking may have begun in the trees

...e data, Thorpe spent a year living in the Sumatran rainforest and recording virtually every move the orangutans ...frica became alternately wetter and drier, and the rainforest grew increasingly patchy. Apes living in the forest canopy would have begun to encounter gaps betwee...

Researchers find 24 species believed new to science in Suriname rainforest

...lue of exploring unknown regions such as Surinames rainforest to assess the need to conserve them. The study s...d region of mountain savannah forest, high dryland rainforest and palm swamp with freshwater sources clean enough to support abundant fish and amphibian life. A...

The kapok connection -- Study explains rainforest similarities

...e over 10 to 15 million years." Dick studied the rainforest form of Ceiba pentandra, a species of kapok that grows taller than a 16-story building, its head poking above the forest canopy. Its flowers produce more than 50 gallons of nectar per tree in a season, attracting bats that travel as far as 12 miles...

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Breaking Biology News(10 mins):Global Chemical Sensor Market 2015-2019: Key Vendors are Abbott Laboratories, Bayer, Hoffmann La-Roche, Johnson & Johnson, NGK Spark Plugs and Robert Bosch 2Biometrics Market in the APAC Region 2015-2019: Key Vendors are 3M Cogent, NEC, Safran and Suprema 2New telemetry implants expected to change how large animal toxicology studies are conducted 2
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