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Tag: "square" at biology news

Ecological destruction fuels emerging diseases

...Conservation Area of northwest Costa Rica, a 1,000 square km (400 square mile) United Nations World Heritage Site that features habitats ranging from rain forests to savanna...

The secret lives of whales

...ve in acoustic herds, communicating over 1000’s of square miles of ocean by using sound. “This is like using the Hubble telescope of ocean acoustics right now,?says Clark. “The Navy had heard the whales for years but hadn’t focused on the significance of their low voices. To me it was like —ohmygawd!?/p>...

Purdue proves concept of using nano-materials for drug discovery

...he researchers created a chip about one centimeter square that holds thousands of tiny vessels sitting on to...uce "laboratories-on-a-chip" less than a half-inch square that might contain up to a million test chambers, or "reactors," each capable of screening an indivi...

Scientists discover unique microbe in California's largest lake

...pecies.The Salton Sea covers a surface area of 376 square miles insoutheastern California. Its current elevation is about 227 feet belowmean sea level, its maximum depth reaches 51 feet and its total volumeis about 7.5 million acre-feet. It was formed in the early 1900s, whenflow from the Colorado River was...

First real-time view of developing neurons reveals surprises, say Stanford researchers

...ey sensed only one type of movement. When the tiny square moved left to right, a distinct population of neur...cent colors to indicate their activity. Moving the square the reverse direction triggered a different population of neurons to light up. "At first we felt li...

South America's vast pantanal wetland may become next everglades, UNU experts warn

...iversity experts warn. Covering more than 165,000 square kilometers ?an area roughly equal to Florida ?in t...ane and cotton monoculture transformed millions of square kilometers of savannah, into open fields. Riparian forests along rivers have been cut down or degrad...

Camera Traps Catch Eye of the Tiger

... the forests -- one per tiger home range (about 40 square miles) -- and checks them every 3-4 weeks. Because the cameras have been placed in remote locations, it takes at least a day to hike to each (the team can check all 30 within a month). Cameras must be moved occasionally because the flash often alerts...

Dead zone area in Gulf could be increasing, researchers say

...is present. The dead zone area covers about 6,000 square miles in the Gulf. The dead zone is located along the Louisiana coast where the Mississippi and Atchafalaya Rivers empty into the gulf. The dead zone area typically develops in late spring and early summer following the spring flood stage of the riv...

New project aims to make large-scale lobster farms feasible

... 80 feet in diameter, making for a total of 12,000 square feet of lobster larvae-snagging surface area. In 2004, with $50,000 in funding from the National Oceanic and Atmospheric Administration's Small Business Innovation Research program, the company began working with Harbor Branch's aquaculture program ...

Advancements In Genomics Foster Deep Sea Discoveries

... freezing temperatures and up to 15,000 pounds per square inch of “skull-crushing?pressure. Scientists say p...rium that copes with pressures of 4,000 pounds per square inch. The researchers grow the microbes in high-pressure cylinders kept cold and dark in Bartlett’s ...

Oceans more vulnerable to agricultural runoff than previously thought, study finds

...oom was enormous, he said, covering from 19 to 223 square miles (50 to 577 square kilometers) of the gulf and lasting several days. "Sometimes eddies actually pulled the plumes acros...

Man-made wetland's effectiveness similar to natural marsh

...the United States ?ultimately turn more than 7,000 square miles of the Gulf of Mexico into a "dead zone," a condition known as hypoxia. Hypoxia happens when excess nutrients, such as nitrates and phosphorus, accumulate in a body of water and cause excessive growth of algae and algal blooms. These blooms th...

Census of Marine Life explorers surprised by diversity, density of Arctic creatures

... New Zealand, Belgium, Chile. Covering 35 million square kilometers (10 per cent of the world's ocean surfa...02. Roughly 500 billion tonnes of ice sheet (3,250 square kilometers, about the size of Rhode Island) disintegrated in less than a month, what scientists have...

Poaching, logging, and outbreaks of Ebola threaten central African gorillas and chimpanzees

...s exceeding 2,000 in a large area (8,232 to 41,900 square kilometres), while five "important sites" have ape...2000 individuals in a site covering 1,219 to 9,011 square kilometres. Two other areas labelled "priority survey sites" have known ape populations that require...

Researchers use 3-D imaging system to unveil swimming behavior of microscopic plankton

...nt zooplankton are found under the surface of each square meter of the world's oceans. These animals play a key role in the marine food web as a crucial link between primary producers and predators. The imaging system, Fish TV, uses multibeam sonar to uniquely measure animal movement. The system allowed th...

Woods Hole Research Center plans controlled burn in Amazon rainforest

... Every year, low intensity fires burn thousands of square miles of Amazon forest. To study the effects of th...esearch Center scientists will burn two and a half square kilometers of forest in the transition forest of northern Mato Grosso state, at Fazenda Tanguro in Q...

Discovering an ecosystem beneath a collapsed Antarctic ice shelf

...ub-ice setting, which covers more than 1.5 million square kilometers [nearly 580,000 square miles] of seafloor, or an area of the same magnitude as the Amazon basin in Brazil or the Sahara Des...

'Shifty-eyed' Monkeys Offer Window Into Brain's Social Reflexes

...e. The subjects would then be shown either another square or an image of a monkey looking either left or rig...ar and to the left or right on the screen a yellow square would flash. The researchers used a magnetic coil technique to measure with high accuracy and speed...

'Sinkers' provide missing piece in deep-sea puzzle

...an average of about four sinkers per day for every square meter of deep seafloor. In other words, a patch of seafloor the size of a large dinner plate might receive carbon from about 100 sinkers over a year's time. To complete their study, the scientists also needed to know how much carbon each sinker tran...

Clear rules needed to govern deep sea bioprospecting: UNU

...cies diversity is known to be as high as 1,000 per square meter in the Indo-Pacific Ocean. Significantly, the ratio of potentially useful natural compounds is higher in marine than terrestrial organisms. There is, therefore, a higher probability of commercial success with marine-sourced material. The odds o...

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