Tag: "farms" at biology news

LSU Ag Center researchers look for better ways to assess pollution in Tangipahoa River

... of Klebsiella," headds. Even a river away from farms and municipalities could have a high backgroundfrom Klebsiella, so this non-fecal bacteria may indicate a problem that doesn'texit. "Our work will allow people like DEQ to evaluate data and makerecommendations based on evidence," Drapcho says. ...

New hope for declining U.S. honeybee population

...n in this country,wreaking havoc on commercial bee farms and threatening farmers who rely on beesto pollinate their crops. Researchers with the U. S. Department of Agriculture in Beltsville, Md., reportthey may be able to stem the decline in the honeybee population with a gelcontaining formic acid. Writin...

Sea level rise behind coastal tree deaths

... the west coast,and partly because development and farms impede forests from growing anew onhigher ground f...ween theocean on one side and residential areas or farms on the other, Putz said. IfFlorida wants to have coastal forests, it should plan ahead and buy fores...

Unveiling all of the consequences: Introduced plants may be causing hidden trouble

...ng the drought-filled years of the Dust Bowl, when farms were failing and the local prairie grass was producing scant fodder for cattle. Farmers discovered that the wheatgrass was hardy, produced good hay, resisted drought and overgrazing, and had a long growing season. It was so successful that ranchers ...

Nonchemical weedkiller has huge potential; hungriest nations may benefit thanks to McGill plant scientists

..." explains Watson. A socio-economic survey of 100 farms conducted by the McGill team showed that village women could indeed produce the Fusarium on a cottage industry type scale, coat batches of seed for individual farmers, and sell the service to the local growers. The McGill plant scientists' wo...

Researcher finds alternatives to antibiotics for growing chickens

...day have weaker immune systems than birds grown on farms 50 years ago. He and several colleagues at the UW-Madison have begun a long-term project to test this idea. "I believe that by selecting for animals that grow rapidly, we've bred animals with weakened immune systems," he says. "Animals that respo...

Study shows industrial hog operations appear to impair health, life quality among neighbors

... North Carolina communities suggest industrial hog farms both reduce the quality of life for people living ...ar a 6,000-head hog operation, two adjacent cattle farms and, as a control, a farm area without large livestock operations. "In particular, headache, runn...

Tobacco farm workers may contract tobacco sickness, Wake Forest study shows

...and dizziness, may be increasing as family tobacco farms are consolidated into large commercial operations and work is done by migrant or seasonal farm workers, according to a Wake Forest University School of Medicine epidemiologist. Writing in the current American Journal of Industrial Medicine, Sara A. ...

New USGS research shows how land use affects amphibians

...ml New USGS research shows that rural areas and farms may be friendlier to frogs and toads than urban areas. Dr. Melinda Knutson, a conservation scientist with the U.S. Geological Survey, said the research on frog and toad populations in two Midwestern states shows that frog and toad abundance and speci...

Chlordane found in foods decades after pesticide use

...988. But because it was so widely used, nearly all farms -- including organic farms -- are affected. It is impossible to tell whether produce is contaminated just by looking at it. The...

GM seed may be more widespread than we think

...l planting of genetically modified seed on several farms in Europe reached fever pitch last week. And now a company in the US has warned that the problem is probably commonplace. "My guess is that it happens all the time," says Jeffrey Smith, vice president of marketing and communications at Genetic ID ...

Do fish farms really add to the world's supply of fish?

...est potential threat to the environment comes from farms that raise carnivorous species - fish that eat oth... study, the vast majority of animals grown on fish farms thrive on diets consisting primarily of plant food. These include vegetarian finfish - such as carp,...

Farms and livestock leave their mark on the Chesapeake Bay

...mospheric ammonia emissions from large-scale swine farms in North Carolina, which could have broader implications for the Bay. (The paper on this research, AGRO 165, will be presented at 2:25 p.m., Thursday, Aug. 24, in the Renaissance Washington Hotel, Grand Ballroom Central....

Farmers and GM crops should both impact farmland birds, Science study predicts

...MHT crops. If their use is restricted to intensive farms with low seed densities then the effect will be minor. However, if the herbicide-hardy crops are adopted by a wide range of farmers--especially farmers with very weedy fields--then the bird declines are likely to be more severe, according to the stud...

Offshore oil and gas platforms could provide more than just fuel; cures for cancer and AIDS could be at stake

...he growth of cancer cells. The platforms are like farms for these organisms; they serve as artificial reefs. Harvesting off the platforms is free, and it doesn't harm the natural environment." Rouse said that by studying the organisms on the platforms, researchers might be able to find ways to encourag...

A seafood paradox: Will fish farming save or deplete our ocean fisheries?

...tions to counter those impacts. Commercial fish farms are expanding rapidly, especially in Asia, taking ...of the World Wildlife Fund will explain how shrimp farms often replace wetlands and mangroves that serve as nurseries for native fish populations. Nils Ka...

The role of science in restoring California's water resources

...management - one that meets the demands of thirsty farms and cities while protecting Northern California`s fragile rivers and lakes. The critical role played by environmental scientists in solving the state`s complex water issues will be the subject of a symposium at the annual meeting of the...

Latest farm product: Meadowbirds

...t 20 acres of the richest meadowbird habitat in 13 farms in the Western Peat Area: farmers were paid per clutch in 10 experimental farms and were paid nothing in three control farms (interestingly, the researchers started with nine contr...

One change in farming makes for cleaner waterways

... only 5 to 14 percent of the farms in northwestern Ohio used co...Forster analyzed the agricultural practices of 450 farms in 19 counties located in the Maumee and Sandusky river watersheds ...

UC Davis, Santa Barbara get $6 million to help estuaries

...and theirhabitats; and toxic runoff from industry, farms andneighborhoods. "Public agencies like EPA and research centers likeUniversity of California need to assess how our estuaries aredoing," Anderson said. "But the health indicators we have noware not sophisticated enough. For instance, when pollutiono...

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