Tag: "zooplankton" at biology news

More nutritious, less toxic

...translucent water flea Daphnia pulex, a species of zooplankton that is one of the chief food sources for freshwat...p, the research found. Although the faster growing zooplankton ingested roughly the same amount of methylmercury as the other group, they ended up with one-third t...

Press conferences at the year's largest physics meeting

...s of the University of Missouri will show that the zooplankton hunts for food in water by engaging in a statistically nonrandom series of turning angles which optimize the food obtained in food patch of fixed size while foraging for a fixed time. Liang Li of Princeton will present evidence that even a single-c...

Climate changes, Cod collapse have altered North Atlantic ecosystems

...toplankton (tiny free-floating plants like algae), zooplankton (tiny free-floating animals like copepods) and fis...entists suspect may be because of the abundance of zooplankton to feed on. At the same time, Greene's article cites how the collapse of the cod populations in th...

Changes in west coast marine ecosystems significant

...iological production was reduced, and species from zooplankton to salmon disappeared, were drastically reduced or...nkton stocks more than doubled in biomass, and the zooplankton community structure suddenly changed to one dominated by cold-water, lipid-rich species," Peterson s...

Newly discovered West Coast arrhythmias cause

...regon and Washington. When these phytoplankton and zooplankton blooms sank to the sea floor and decayed, they consumed large amounts of oxygen, creating a 3,000 square kilometer "dead zone" that took up nearly two thirds of the water column and squeezed mobile animals like rockfish into shallow habitats and suff...

Extreme life, marine style highlights 2006 ocean census

...ltered large volumes of water for rare-but-diverse zooplankton living in the oceans deepest depths, Census expert...nknown to science. Doubling Zooplankton Census zooplankton researchers discovered 3 new genera and 31 new species of copepods and mysids, small crustaceans, in...

Sandia research to focus on early detection of harmful algal blooms

...ransferred through the food chain, accumulating in zooplankton and shellfish, eventually harming or even killing marine mammals and humans that consume tainted shellfish. Sandia to focus on early-warning detection methods The Sandia research will focus on enhancing the early-warning capability of detection a...

Continued warming of the Arctic Ocean

...auer. During the expedition, biologists discovered zooplankton species from the Norwegian Sea which were previously unrecorded from the northern latitudes that they had reached via the warm waters. For one month, scientists of the Alfred Wegener Institute, the University of Bremen and the Polish Institute of Oc...

Fulbright faculty

...ll spend nine months in Oman teaching and studying zooplankton changes during the monsoon season, especially as t...so known for her climate change research involving zooplankton and consequent food web changes in the warming Arctic. Working from the Department of Marine Science...

Diverse sea 'bugs' revealed on landmark Atlantic cruise to census zooplankton

...entory and photograph the variety and abundance of zooplankton small sea "bugs" that form a vital link in the oc...il 30, is part of an ambitious global inventory of zooplankton by 2010 (dubbed the Census of Marine Zooplankton, CMarZ), a Census of Marine Life initiative that sh...

Tiny polyps gorge themselves to survive coral bleaching

...hem all, dissected each polyp and counted how many zooplankton each had eaten, how big they were and what species. That told us how much the coral had eaten." Surprisingly, the researchers discovered that while the bleached Porites fed at its normal rate, bleached Montipora had increased its rate of feeding mor...

MBL scientists to present research at 2006 Ocean Sciences Meeting

...rface-derived bloom detritus. We hypothesized that zooplankton grazing rates within the midwater column were stim...ce and Technology (SMAST). While phytoplankton and zooplankton communities in the water column have been fairly well monitored, although not at a molecular level, ...

2006 Ocean Sciences Meeting: Press Conference Schedule

...lay in timing of the spring bloom, and declines in zooplankton biomass. The biological effects of ocean acidifica... in real time and monitor the nightly migration of zooplankton to the surface in search of food. A modification of the underwater floats are "gliders," with wings ...

3,317 and counting (the number of marine species in the Gulf of Maine)

... 5,000 fish). Each herring has fed on hundreds of zooplankton (animals that float with the currents), such as shrimp-like species called krill. And each krill has fed on as many as 130,000 diatoms. Therefore, one meal for a humpback may represent more than 400 billion diatoms. (Cerullo, M., 1999, Sea Soup, p....

Scientists discover global pattern of big fish diversity in open oceans

...dients that serve to aggregate food supply such as zooplankton and small fish. "The peak in big fish diversity is...vitally important for many different species, from zooplankton to tuna, and despite shrinking have stayed relatively constant in location over the past 50 years....

Plankton can run, but can't hide from basking sharks

...surfacing at dusk in order to foil the attempts of zooplankton trying to evade capture. As well as shedding new l...rs exhibited normal diving behaviour, tracking the zooplankton Calanus up to the surface at dusk and then downward at dawn, sharks in the western English Channel d...

NASA satellite data capture a big climate effect on tiny ocean life

...nkton growth. The study also found that since most zooplankton died off during the intense El Nio phase, there were fewer of these ocean animals in the surface water to eat phytoplankton, leading to large unhindered phytoplankton blooms. As phytoplankton flourish, a large amount of carbon is used to build cells...

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

...iform. But beneaththe surface, tiny animals called zooplankton are swept into clusters and patches by ocean currents. The very survival of many zooplankton predators--from invertebrates to whales--and the success of fishermen catches can depend on their su...

Israeli, U.S., German researchers unveil remarkable behavior of ocean plankton

...tches by ocean currents. The very survival of many zooplankton predators--from invertebrates to whales--and the s...ing those patches. The new findings indicate that zooplankton are passively drifting with the current, as their name implies ("planktos" = "drifting" in Greek), b...

Alaskan puzzles, monitoring provide insight about North Pacific salmon runs

...tion about weather, lake levels, emerging insects, zooplankton levels and other fish species and juvenile salmon growth, which distinguishes the data set from other salmon monitoring records....

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