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Tag: "marine" at biology news

Harmful Algal Blooms monitored from space in Chile

...ing a growing world market. However, the country's marine aquaculture sector is vulnerable to Harmful Algal Blooms, which occur when some algae species producing poisons bloom rapidly in water, causing physical or biochemical damage to fish and shellfish. Early detection of Harmful Algal Blooms (HABs) all...

UCI scientists find chlorine may contribute to ozone formation

...n said. "Most likely the process involves airborne marine particles, but research is needed to understand how it occurs." Inland ozone levels typically are higher than on the coast, mainly because of meteorological conditions that restrict air circulation and trap pollutants. Ozone is a highly reactive and...

Global warming may have damaged coral reefs forever

...s. Large sections of coral reefs and much of the marine life they support may be wiped out for good, say t...r from predators for a large and diverse amount of marine life - in 2005 average coral cover in the area surveyed was just 7.5 per cent. The survey showed t...

Arctic coring expedition continues to yield new clues

...wet during the PETM," Dickens said. "Even tropical marine plants thrived in the balmy conditions." In today's oceans, certain species of microscopic plants are known to rapidly multiply and create algal blooms. Dickens said that fossils of these plants ?known only to originate in the tropics before the P...

South Pacific plant may be missing link in evolution of flowering plants

... Zanzibar. The phenomenon has created a stir among marine experts, with varying theories that the Indian Oce...should be monitored before any activity starts and marine work should cease if a dolphin enters the work area. Other innovative ideas include creating an air ...

Dolphins at risk

... Zanzibar. The phenomenon has created a stir among marine experts, with varying theories that the Indian Oce...should be monitored before any activity starts and marine work should cease if a dolphin enters the work area. Other innovative ideas include creating an air ...

Mussels evolve quickly to defend against invasive crabs

...rgent induced responses to an invasive predator in marine mussel populations." "It's the blending of ecolo... mussel, which Freeman describes as the lab rat of marine biologists, is an invertebrate "that people assume is not very bright," he says. Yet his findings in...

A new look at the state of the oceans

...much higher than previously thought. Especially in marine systems, the term 'diversity' not only describes the distinction between biological species, but also refers to the divergence within established species. This leads to a completely new evaluation of the species concept. For the recording and descrip...

UN review shows need to halt destructive fishing practice

...rable ecosystems that provide critical habitat for marine life. It cited an "urgent need" in some cases for ...rle, the renowned deep sea explorer who heads CI's marine conservation division, likens bottom trawling to trying to capture a songbird with a bulldozer. Co...

Bacteria can help predict ocean change

...the Pacific Ocean near the USC Wrigley Institute's marine laboratory on Catalina Island. They used statistical methods to correlate the bacteria counts with the Wrigley Institute's monthly measurements of water temperature, salinity, nutrient content, plant matter and other variables. The researchers f...

Pollution threatens coral health by preventing lesions from healing, UCF study shows

...isk of McMaster University in Ontario, Canada, and marine ecologist Brian LaPointe of the Harbor Branch Oceanographic Institution in Fort Pierce. Risk and LaPointe used ratios of stable isotopes of nitrogen as tracers of sewage levels. Higher values equate to larger amounts of sewage in an area. Risk and La...

Study reveals details of mussels' tenacious bonds

When it comes to sticking power, marine mussels are hard to beat. They can adhere to virtually all inorganic and organic surfaces, sustaining their tenacious bonds in saltwater, including turbulent tidal environments. Little is known, however, about exactly how the bivalves achieve this am...

Ammonia-loving archaea win landslide majority

...ammonia. The gene was subsequently found in a marine strain of archaea that uses ammonia as its sole source of energy. Researchers examined soil samples from 12 pristine and agricultural lands across three climatic zones to see if such ammonia-oxidizing microorganisms were present in terrestrial ecosys...

On the track of tiny larvae, a new model elucidates connections in marine ecology

...ent Biology, published by Cell Press. Effective marine management and conservation planning require a better understanding of the movement of young marine animals, including small larvae, in part because such movements facilitate normal biological connect...

Deep-water discovery

...e-Link II submersible, will search for and collect marine organism samples from these new reefs in 2,000-2,9... has led to the collection of tens of thousands of marine organism samples and the identification of a number of promising potential drugs now in various stag...

Brazil creates buffer zone around coral reefs off Atlantic coast

...tral coast, including several types of coastal and marine ecosystems with unique and endangered species, suc...aid Guilherme Dutra, director of CI-Brazil for the marine program. The Abrolhos region, located off the coastal town of Caravelas in the far south of Bahia,...

Drug discovery team to explore newly discovered deep-sea reefs

..."Florida Oceans Initiative," will be to search for marine organisms that produce chemical compounds with the... has led to the collection of tens of thousands of marine organism samples and the identification of a number of promising potential drugs now in various stag...

How satellite tracking revealed the migratory mysteries of endangered Atlantic loggerhead turtles

...search highlights how complicated the migration of marine vertebrates really is and how sophisticated our co... the Cape Verdean turtles reside. In recent years marine turtle researchers have been using satellite telemetry to track turtle migrations. Satellite transmi...

Healthy coral reefs of Madagascar resisting damage from climate change

...king the region one of the richest in Indian Ocean marine biodiversity. The latest results provide further information on the unique marine biodiversity of Madagascar for President Marc Ravalomanana's government, which has pledged to triple...

Creating a window on 'oceans in motion'

...agers could soon have a highly detailed picture of marine conditions and the migrations of fish and ocean an... to throw open a large, vivid new global window on marine life by expanding worldwide the work of two pioneering North America-based programs that follow the ...

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