Tag: "farmed" at biology news

USAID, Conservation International & Starbucks launch Conservation Coffee Alliance in Central America

...expanding the area of coffee fields that are being farmed using best practices, and making more high quality sustainable green coffee available to roasters. The Alliance will also engage with interested stakeholders that share its goals. The long-term objective is to broaden the resource base available to ...

Indiana University, EPA to study airborne PCBs

...toxins exist at high levels in much of the world's farmed salmon. The scientists found that wild salmon tended to be less contaminated. Another study, published last year in the National Institutes of Health journal Environmental Health Perspectives and co-authored by Hites and IU School of Medicine scienti...

Genetic modification of linseed produces healthier omega 3 and 6 fatty acids

...nomically unsustainable pressures on both wild and farmed fisheries. Fatty acids are long straight chains of carbon atoms, ranging in length from about 12 to 22 carbons (C12 to C22). They have one water-soluble end and one oil-soluble methyl end, and are studded with hydrogen atoms along the length of the ...

Flame retardant levels much higher in farmed salmon

...researchers. They measured PBDEs in 700 samples of farmed and wild salmon from around the world, including m... organochlorine chemicals like PCBs and dioxins in farmed salmon than in wild. With one exception, they report, all farm-raised samples had much higher levels...

Trapping carbon in soil key for protecting global food security, dealing with climate change

...nt practices" for increasing and keeping carbon in farmed soils. These practices include no-till farming leaving residue from the previous year's crops on the field; agroforestry planting trees or shrubs on or around cropland to enhance the quality of the soil; planting cover crops, which protect the soil...

Fish no exception to trend in marine-organism disease

...human activities. Mollusks, such as commercially farmed oysters, could be experiencing increasing stresses from both climate and aquaculture practices. Corals had an increase in bleaching, although not in actual disease. Only sea grasses and sharks display no apparent increases in disease levels; bo...

Aquatic scientists divided on role of sea lice from salmon farms in decline of native salmon in B.C.

...vent transfer of disease and parasites between the farmed and wild fish. Because of concerns about possible ...d-effect relationship between sea lice on wild and farmed fish. . . All the work that's out there is based on correlations." McKinley suggests that other exp...

Genomic changes reveal evolution of SARS virus

...ide deletion is identical to viruses obtained from farmed civets in Hubei Province. By the middle phase, the version with the 29-nucleotide deletion had become dominant. Besides the large deletions, the researchers found 299 smaller variations, changing just a single piece of the virus's genetic code. Beca...

Farmed salmon more toxic than wild salmon, study finds

...s important for people who eat salmon to know that farmed salmon have higher levels of toxins than wild salm...als of salmon per month. With very few exceptions, farmed salmon samples tested significantly exceeded the containment levels of wild salmon, which could be c...

Farming the tigers of the sea undermines the promise of aquaculture

...or more than 30% of all fish consumed. While most farmed fish are vegetarian species, such as carp and catf...mon, is a booming industry and the number of other farmed carnivorous species is growing rapidly. However, industrialized farming of carnivorous fish such as...

Researchers find 'luxury effect' helps determine plant diversity in urban areas

...lopment and whether the plot of land had ever been farmed -- influence plant diversity, the researchers report. Newer housing developments had greater plant diversity than older, well-established neighborhoods. This may owe itself to the fact that landscaping for houses built in the 1960s had a different p...

Plant diversity has 'luxury' effect, say scientists

...sidential housing and whether a site has ever been farmed are all correlated with plant diversity. Wealthier, younger neighborhoods and those on sites that have never been cultivated tend to have a greater number of perennial plant types." In a separate study focusing on parks located in neighborhoods of d...

U of A scientist finds Atlantic salmon escapes higher than government reports

...rch Bulletin that outlines how he measured escaped farmed Atlantic salmon in a region of intense salmon farm activity. Volpe and his research team recorded the number of Atlantic salmon caught by commercial salmon fishers for the entire 2000 commercial salmon fishing area in a region off northeastern Vancou...

Stung by success: Intensive farming may suppress pollinating bees

...cramento Valley. They also looked at land that was farmed conventionally (with pesticides) and organically (without pesticides). They focused on watermelon because it requires a lot of pollen and multiple bee visits to produce marketable fruit. The research required painstaking work. Kremen and Williams fir...

Geneticists tell ostrich farmers the secrets of sex

...logy. Although native to Africa, Ostriches are now farmed all over the world for their meat, feathers and hide. Ostriches, like many bird species, show few external differences between the sexes. In the 1960's a surgical technique was developed to tell male and female birds apart, which involved a small ope...

Endangered butterfly needs special environment

...ries were the earliest areas that were settled and farmed in Oregon, and few natural areas remain, explained Schultz. Now a coalition of environmentalists and planners are looking to restore Fenders Blue habitat in an area near Eugene, Ore., as part of a larger restoration project. The Kincaids lupine, a th...

U.S. takes first step toward protecting endangered beluga sturgeon

...viar, better choices include environmentally sound farmed varieties. "It is important that the government lead the way in creating measures to protect this imperiled species," said Vikki Spruill, executive director of SeaWeb. "But just as important is the need for consumers worldwide to make wiser seafood ...

Ocean aquaculture: Technology, business practices, policies & caviar

...of sturgeon populations in the Caspian Sea region, farmed caviar has emerged as an environmentally friendly - and tasty - alternative to wild-caught caviar. Even gourmets have been won over. As the farmed-caviar industry continues to expand, there is a growing interest in selectively breeding sturgeon for e...

Resumption of caspian caviar trade could mean extinction

...viar, better choices include environmentally sound farmed varieties....

New report documents dramatic decline in beluga sturgeon in the Caspian Sea

...viar, better choices include environmentally sound farmed varieties. An increasing number of chefs and consumers have joined our effort to protect Caspian Sea sturgeon by choosing other good-tasting caviars that are better for the environment, said Vikki Spruill, Executive Director of SeaWeb. But this is ...

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