Tag: "oceans" at biology news

National ocean commissioners & scientists call for overhaul of ocean policies & management

...s call for major changes in the governance of U.S. oceans and coastal resources. Ocean policies and laws in ...e the ecological, economic and social benefits the oceans provide. The commissioners and scientists will provide a vision of how to implement policies that re...

AAAS survey: 80 percent of adults say we're hurting oceans

...rned about the environmental challenges facing our oceans and coastal regions and, given information and a v...s and oceans. Another 20 percent believe that the oceans are vast and healthy enough to absorb pollution and other human stresses. 31 percent said they feel...

A shrinking sink? Carbon fertilization may be flimsy weapon against warming

...y to take up carbon will depend on the oceans. The oceans have already absorbed some 400 billion tons of fossil fuel carbon dioxide, and this trend will continue; ocean uptake now is more than 20 million tons of carbon dioxide per day, according to Peter Brewer of the Monterey Bay Aquarium Research Institut...

Citizens, scientists and policymakers debate ways to restore ocean health at AAAS Town Hall Meeting

...ssively; 7. Inspire people with the majesty of the oceans to motivate them to protect this resource. 8. Conduct research on what will motivate people to change their behavior to protect the oceans. The town hall meeting was the debut initiative of AAAS's Center for Public Engagement with Science and Techno...

New Seascape initiative stretches from Costa Rica to Ecuador and protects key marine habitats

...It will take international cooperation to keep our oceans healthy and productive. We owe these four nations, Costa Rica, Colombia, Ecuador and Panama our thanks and support for working together to conserve one of the planet's most precious resources." The Seascape initiative is part of a broader, $15-millio...

Banned chemical travels across three oceans

...ater flows across the Pacific, Arctic and Atlantic oceans to end up in eastern Canada. Frigid northern temperatures slowed its evaporation and degradation rate and trapped the chemical until it hit warmer waters where it will eventually evaporate. "The Arctic Ocean has a 'lid' on top in form of an ice cove...

Envisat fishes up facts behind Chilean giant squid invasion

...wellings cold, nutrient-rich waters rise from the oceans depths as prevailing winds blow warmer surface waters away. The phenomenon supports rich fisheries. But the AATSR data reveal that a coastal upwelling that typically influencing the waters between Chilo and the mainland was not seen in the last week ...

Heinz Maier-Leibnitz prizes 2004

... the changes in predatory fish levels in different oceans and showed for the first time that these levels had decreased to a far greater degree than previously believed. These data have far-reaching consequences for the management of global fish populations and for marine environmental protection. Dr. Worm ...

Phytoplankton may stimulate uptake of CO2

...ntrols on global warming, and that fertilizing the oceans with iron results in increased phytoplankton produ...learly shows an induced biological response in the oceans to fertilization with iron. "During the glacial periods, atmospheric carbon dioxide, or CO2 levels d...

A blueprint for US national ocean policy for the 21st Century

...today by the U.S. Commission on Ocean Policy. "Our oceans and coasts are in trouble, and we as a nation have...our report are adopted, we will create sustainable oceans and coasts for many, many years. We will create sustainable ocean resources; sustainable fisheries; ...

Four new research centers to explore link between oceans and human health

...rtise that can be brought together in the study of oceans and human health," said Kenneth Olden, director of... to human health," said Olden. "At the same time, oceans harbour a diverse array of organisms that show great promise for providing new drugs to combat cance...

Biological oceanographers examine 'regime shifts' in complex marine ecosystems

...be that, until recently, major disturbances in the oceans were of natural rather than anthropogenic (man-made) origin and our data collection following such disturbances has been insufficient to identify possible changes in ecosystems," said Collie. "The assumption that major disturbances or perturbations ...

Into the dead zone: Galveston researcher examines loss of marine life

... show that the number of dead zones in the world's oceans has increased steadily in the past 25 years, and there are now about 150 dead zones worldwide. Because it has created a quick-acting dead zone, the Mississippi River delta area has become one of the most famous dead zones in the world, but other rece...

Research into cetacean reproduction leads to birth of killer whales by artificial insemination

... Although killer whales are common throughout the oceans of the world, the population in zoological facilities numbers only 48, mostly in small, genetically isolated groups. Since 1985, natural breeding of captive killer whales has led to 27 births, but natural breeding sometimes requires moving animals...

Whales, seals or men? Who stole all the fish?

...ese three variables. Then she divided the world's oceans into a grid of around 180,000 approximately rectangular cells, measuring one-half a degree in each direction, and assigned to each one a relative suitability for each species. The distributions of marine mammals predicted by this method were a fairl...

Mysterious beach closures may be linked to contaminated groundwater, study finds

...es to study groundwater discharge into the coastal oceans for years,'' Paytan added, ''but this is the first time that radium has been coupled with bacteria contamination.'' To determine if bacteria can actually pass through sand unfiltered, the researchers set up a laboratory experiment in which contaminat...

Study helps satellites measure Great Lakes' water quality

...entists look for evidence of climate change in the oceans rather than in lakes, but that may change in the f...se they respond much faster to climate change than oceans do, Mupparthy said. Erie is the warmest of the Great Lakes, the shallowest and richest in life, and ...

Continents played key role in collapse and regeneration of Earth's early greenhouse, geologists say

...ide. Stone fingerprints of flowing streams, liquid oceans and minerals formed from evaporation confirm that 3 billion years ago, Earth was warm enough for liquid water. Now, the geologic record revealed in some of Earth's oldest rocks is telling a surprising tale of collapse of that greenhouse - and its s...

ESA and EADS-CASA sign contract to build instrument for the SMOS mission

...rth's landmasses and sea-surface salinity over the oceans for a period of at least 3 years. At the signing c...ycle." The moisture in soil and the salt in the oceans are intrinsically linked to the Earth's water cycle and climate. Currently, in-situ measurements for...

Rare, tiny find in West Australian waters

...be able to provide hard scientific facts about our oceans that will allow legislators, regulators and industry to be able to address the challenge of managing our ocean resources. "The West Australian Government, CSIRO Marine Research and the CSIRO Wealth from Oceans Flagship have come together to provide a...

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