Tag: "river" at biology news
Smithsonian scientists show differing patterns of rainforest biodiversity
...disturbed lowland rainforest of the Sepik and Ramu river
basins in Papua New Guinea. The team collected insects and plants from eight study sites across 75,000 square kilometers of contiguous forestan area the size of South Carolinaand noted the variation in species makeup among the different sites. The...
Satellite tracking reveals threats to Borneo pygmy elephants
...ival on forests situated on flat, low lands and in river
valleys, the study found. Unfortunately, it is also the type of terrain preferred for commercial plantations. Over the past four decades, 40 percent of the forest cover of the Malaysian State of Sabah, on the northeast of the Island of Borneo where ...
Beyond Mesopotamia: A radical new view of human civilization reported in Science
...explained. These urban centers are away from the river
valleys that archaeologists have traditionally focused on, according to Lawler. Archaeologists now have access to more remote locations and are expanding their studies. ...
Forecasting system provides flood warnings to vulnerable residents of Bangladesh
...f weather forecast models, satellite observations, river
gauges, and new hydrologic modeling techniques. It...g impoverished families living on islands known as river
chars. The center's Ramasamy Selvaraju and A.R. Subbiah are overseeing the distribution efforts. T...
Chickens dieting to help Delaware waterways
...rom the soil or be carried off in storm water to a river
or bay. And that's good news for waterways like Delaware's Inland Bays, where overloads of nutrients, particularly phosphorus and nitrogen, have contributed to serious water-quality problems, such as massive blooms of algae and fish kills. To put...
Seawater intrusion is the first cause of contamination of coastal aquifers
.... Prof. Benavente highlights Los Angeles, USA, and river
Llobregat delta, Spain, where sewage water injection as mentioned above has proven to be useful to solve salinisation problems. Teamwork experience Among other research works, Prof. Benavente has recently coordinated the European Union Project ...
Geologists witness unique volcanic mudflow in action in New Zealand
... that flows down from a volcano, typically along a river
valley. Lahars are caused by the rapid melting of snow and/or glaciers during a volcanic eruption, or as in the case of Mount Ruapehu, the breakout of a volcanic lake. "Lahars can be extremely hazardous, especially in populated areas, because of ...
Desertification: UN experts prescribe global policy overhaul to avoid looming mass migrations
...lp address transboundary issues such as integrated river
basin management and environmental migration; and Internationally: better relate global conventions, agreements and other initiatives one to another. The analysis says the separate constitutions, priorities and procedures involved in administering...
MIT tool determines landslide risk in tropics
...ation measures, as well. For instance, streams and river
channels could be stabilized, buildings could benefit from increased stabilization provided by installing piles at certain points on a slope, blasting could be more stringently controlled during road construction and mining, and reforestation could b...
University of Colorado invention may allow thirsty crops to signal farmers
...ened to shut down all Colorado wells impacting the river
if solutions for reducing irrigation water are not found. Farmers irrigate nearly one-half million acres on the eastern plains from the Ogallala Aquifer that directly impacts the Republican River, he said. The researchers have been experimenting ...
Salmon tracking program expands to California
...ched last year that used genetics to determine the river
origin of Chinook salmon caught off Oregon's centr...a probability of 90 percent or more in determining river
origin to 2,097 fish meaning they could determine with a high degree of certainty the hatchery, riv...
Palau's coral reefs show differential habitat recovery following the 1998 bleaching event
...y in other regions. "Factors such as river
pollution, sedimentation, and use changes such as fishing pressures are all controllable factors," says van Woesik. "Theyre added to global effects of greenhouse gas emissions that affect climate change. The take-home message is that we can acceler...
Liverpool scientists work to improve water quality in Ghana
...onmental decline through pollution and over-use of river
based resources. In recent years Ghana, a relati...lity and quantity of drinking water as a result of river
pollution. Researchers, in collaboration with the University of Ghana and the Council for Scientif...
Ancient coral reef tells the history of Kenya's soil erosion
... the mouth of the Sabaki River, the second longest river
in Kenya. Draining about 11 percent of Kenya's landmass, the Sabaki transports sediments to the sea. The researchers took core samples from two large coral colonies, each more than 12 feet tall and about 15 feet wide. To find out how sediment flux ...
The global carbon budget -- proper accounting means paying attention to inland waters
...ls were adjusted to embrace a more dynamic view of river
inputs, they would need further amending to includ...he authors: "Continental hydrologic networks, from river
mouths to the smallest upstream tributaries, do not act as neutral pipes they are active players in ...
Microfossils unravel climate history of tropical Africa
...rial in a sediment core in the outflow area of the river
Congo in the South Atlantic Ocean at a depth of almost 1000m. Since the Congo River drains a large part of tropical central Africa, the land derived material gives an integrated signal for a very large area. Cool tropical Africa The new proxy w...
Story tips from the Department of Energy's Oak Ridge National Laboratory, March 2007
...t the correlation between the variability of large river
flows and the El Nino-Southern Oscillation index i... 2006), reveals connections between this index and river
flows in the tropics and subtropics that are 20 percent to 70 percent higher than what has been sugg...
Iowa State University botanists identify new species of North American bamboo
... bamboo species commonly known as switch cane and river
cane in an important way: It drops its leaves in ... off for the Southeast to find the switch cane and river
cane in their native habitats. "Once we actually saw the plants in the field, we knew quickly tha...
Paper challenges 1491 Amazonian population theories
...d toriver corridors, and if you went away from the river
corridors therewasn't that much impact. That's wha...tion; that you still had abulk of people along the river
but their influence extended deep intothe forest. It's still nebulous, and difficult to get people t...
Climate changes brews trouble for marine life in European Seas, Marine Board-ESF report says
...ate species existed. In addition, the increased river
runoff and subsequent freshening of the Baltic Sea have also led to shifts from marine to more brackish and even freshwater species while the temperature-induced loss of native species from enclosed systems, such as the Mediterranean and Black Sea, w...
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