Tag: "farming" at biology news

Feeding cottonseed meal to female fallow deer safe at low rates

...pregnant," said Dr. Ron Randel, leader of the deer farming research team at the Texas A&M University System Agricultural Research and Extension Center at Overton. Previous studies have shown feeding even small amounts of whole cottonseed to have severe detrimental effects on male red deer and male fallow d...

Mexican farmers effectively cultivate phenotypic diversity in maize

...om elsewhere and cultivated according to ancestral farming practices. Researchers from the IRD and the CIMMYT...f local maize landraces and measured the impact of farming practices on this diversity. They focused on two types of diversity: phenotypic (concerning the morp...

Conservation International & SC Johnson invest in Ecuador's rainforest to offset climate impacts

...for agriculture. Unfortunately, due to these poor farming practices may of these lands become unproductive in a few years and are then abandoned. The result is degraded soils, resulting in erosion and destroyed watersheds. Healthy, intact forests store carbon taken from the atmosphere and thus play a uniq...

State of the Planet 2004

...ural households cut down forests to clear land for farming or to harvest fuel wood for cooking. Women typically face the greatest burdens of this daily struggle for survival, and often suffer the added hardships of legal and social discrimination. In the rich countries, where basic human needs are exceeded...

Improved crop production and fewer greenhouse gases

...hysics Department, has published new research on a farming technique that can both increase crop yields and r...yoming, describe the results of a study of various farming techniques and their impact on crop production and the environment. The researchers studied three di...

Envisat fishes up facts behind Chilean giant squid invasion

...maging Spectrometer (MERIS). Chile's national fish farming association Salmon Chile has co-founded a pilot scheme with oceanography firm Mariscope Chilena, investigating the feasibility of a satellite-based early warning system for harmful phytoplankton blooms explosive growths of sometimes toxic marine alg...

Scientists call for less destructive remediation at DOE sites

...nds that are highly fragmented by urbanization and farming practices. Co-author Tom Hinton of the Savannah River Ecology Laboratory, a research unit of UGA located on the Savannah River Site in South Carolina says, "Some of the DOE lands have developed into important environmental refuges, and are ana...

Power plants, other industry could offer contracts to farmers in helping reduce carbon emissions

...sure to cut its emissions. So far, a few national farming organizations, including the American Farm Bureau, have shown interest in examining the potential of carbon reduction contracts. "There are farmers who are willing to do it, but they are still wanting to learn more about the economic issues. Industr...

Envisat concludes a busy second year in orbit

...hern region of Chile. The country's national fish farming association, Salmon Chile, has co-founded a pilot scheme with oceanography firm Mariscope Chilena to investigate the feasibility of an operational satellite early warning service for algae blooms. "Since the end of last year, high concentrations of ...

Duke open-air experiment results could deflate hopes that forests can alleviate global warming

... land was probably exhausted by cotton and tobacco farming in the 1800s and early 1900s." Scientists at FACE had an unanticipated opportunity to assess how drought affects trees growing in a CO2 enriched atmosphere when 2002 proved to be one of the driest years on record in North Carolina, Schlesinger said. ...

Cities built on fertile lands

...plex foodweb. The loss of highly fertile lands for farming also putspressure on other means to meet the food and fiber needs of anincreasing population. On the local scale, urbanization canincrease NPP, but only where natural resources are limited. Itbrings water to arid areas, and "urban heat islands" exten...

Protected wheat varieties

...he following season has long been practiced in the farming business. "That's not a problem in itself," he said. "The law says farmers may save a limited amount of a protected variety seed for replanting, but they can't sell planting seed to anyone without permission from the owner. Of course, if the seed is ...

Expedition will retrace legendary Steinbeck-Ricketts voyage to the Sea of Cortez

...bout the impact of tourism, commercial fishing and farming on a region that Ricketts and Steinbeck said was ''fairly untouched'' and ''ferocious with life'' in 1940. ''I spend a lot of time down there, and I've seen only one or two places that I suspect haven't changed at all - places where there are no road...

Study finds that fungus farming by snails causes marsh grasses to wither

...ral candidate at Brown University. "This is fungal farming in a completely new group (phylum) of organisms an...stem process and community structure through their farming activities. The new study, which appears in the current Proceedings of the National Academies of Sc...

Does shade coffee help or hinder conservation?

...o clear more forest. Shade coffee is a traditional farming method of growing coffee bushes under a canopy of diverse trees, which helps protect the many bird species that depend on them. The case for shade coffee is argued by Stacy Philpott of the University of Michigan in Ann Arbor and Thomas Dietsch of th...

A bird in a tree for biodiversity

...ose still growing in smaller parcels fragmented by farming and old former colonial plantations. The tree's survival depends largely on certain bird species to eat and disperse seed. But in the broken parcels with few trees left, the birds were rare or absent. Seed fell to the ground but didn't regenerate as...

Controversial UK badger killings analyzed by UC Davis expert

...e to be widelydiscussed in the UK, particularly by farming interests and badgerprotectionists. Those groups have battled for 30 years over the rolethat wild badgers may play as reservoirs and vectors of bovinetuberculosis, which can be transmitted through unpasteurized milk topeople. "In Britain, this is th...

Awareness of GM foods increasing, while overall support slipping

...n every question. American's basic knowledge about farming and food production was also found to be low. Only about half (55%) of Americans know that most of the corn grown in the United States is used to feed animals such as cows, less than half (46%) recognize that sugar is not the sweetener used in most ...

Cow's resistance to worms is genetically determined

...ons cause considerable economic losses in the beef farming industry. During her doctoral research, Kirezi Kanobana investigated how cattle rid themselves of worms and prevent new infections. Kanobana used an infection model in which, based on their genetic background, animals exhibited varying degrees of res...

What can the genomics revolution teach us about global change?

...environmental factors and whether new varieties or farming practices can be developed to minimize the impacts of global change," says plant physiologist Jeff White of the U.S. Water Conservation Laboratory, USDA-ARS, Phoenix, AZ. "We have to remember that the long-term survival of society depends on wise use...

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