Tag: "farming" at biology news
Social insects point to non-genetic origins of societies
...ntain multi-layered social systems, manage complex farming
and food production systems, and build elaborate designs and constructions, from giant self-cooling termite towers to skyscrapers. The development of social systems is often assumed to be driven by species modifications arrived at through natural se...
Using GPR to estimate tree root biomass
... where the soil carbon has been depleted by former farming
practices. In these forests, tree roots are the most dynamic pool for carbon accumulation below the ground." For the carbon flux experiments that Johnsen and fellow researchers conduct at the Free Air Carbon Dioxide Enrichment (FACE) sites in the Duk...
Salmon farms pose significant threat to salmon fisheries in the Pacific Northwest, researchers find
...not only to overseas competitors but also to local farming
operations. Salmon aquaculture was virtually nonex...umbia to establish a six-year moratorium on salmon farming
in 1996. Strict regulations for waste disposal were finally introduced last year when the moratorium...
Worm farmers wriggle into US market
... supplied with food. Seabait Ltd, a high-tech worm farming
operation set up by scientists at Newcastle University in the UK, has launched a subsidiary at Franklin, Maine. Stocks and quality of 'wild' worms are running low in Maine as the traditional industry of digging them from the sand struggles to keep p...
Universities to share technologies to fight hunger in developing countries; improve domestic crops
...w production is a perennial threat to resourcepoor farming
families and an important factor contributing to the chronic undernourishment of about 800 million people worldwide. The agreement will also benefit the U.S. agricultural sector by speeding up research, development and commercialization of specialty ...
Farming the tigers of the sea undermines the promise of aquaculture
...ltant. This timely report examines the impacts of farming
salmon and warns that the trend toward farming
additional carnivorous fish species, including tuna, cod, and halibut, will likely generate many of ...
Researchers discover birds protect trees in neotropics by eating insects
...t fragmentation as areas are cleared for ranching, farming
or housing. The yearlong research project, the first to study bird-arthropod interactions in a Neotropical forest canopy, was carried out by Sunshine A. Van Bael, a doctoral student in animal biology at Illinois and a research fellow at the Smithson...
Long-term study of humans and deforestation in Amazon Basin gets new support
...hensive study of 952 households will determine how farming
strategies change with each generation and how human characteristics such as age, gender, education, and the use of financial credit influence rates of deforestation in the Amazon Basin. "How quickly second and third generations learn to conserve for...
Is run-off wrecking the Great Barrier Reef
...hat could be the most compelling evidence yet that farming
is harming the Great Barrier Reef. There has been a vitriolic debate about whether or not Queensland's farms are damaging the reef. Conservationists argue that the increased run-off of agricultural sediments, nutrients and chemicals has reduced coral...
Natural resources research helps HIV/AIDS victims
... breadwinners become sick and die, time needed for farming
or making money by those who are healthy is instead spent caring for ill family members, and productive assets, such as farmland and cattle, are sold. Ultimately, HIV/AIDS leads to deeper poverty and food insecurity. In such situations, we see that f...
Scientists use DNA fragments to trace the migration of modern humans
...ulations and the ancestors of contemporary African farming
people - Bantu speakers who inhabit many countries...er-gatherers, the ancestors of sub-Saharan African farming
populations appear to have experienced a population expansion that started around 35,000 years ago: ...
Top 25 turtles on death row
...inable harvest programs, ecologically sound turtle farming
(for commercial purposes to lessen pressures on wild populations), relocation and return to countries of origin, public outreach and educational programs, trade regulation enforcement, and identification and establishment of protected areas that take...
Seeking comfort from the cold
...fecting crop yield in temperate climates, with the farming
industry loosing billions of dollars each year to freezing temperatures. Much research has focused on ways to improve crops tolerance to cold and/or freezing temperatures, with the aim to both increase productivity and broaden geographical range. In...
Hebrew University research brings higher peanut yields
...me 33,000 dunams (8250acres) are devoted to peanut farming
in the western Negev, the Sharon and the Galilee. The average yield is 500-600 kilograms per dunam. The period of growth is from 145-175 days, commencing in April. Every peanut plant produces more than 400 flowers during the growth period, but in the...
U of A scientist finds Atlantic salmon escapes higher than government reports
... per cent of the private sector jobs. While salmon farming
is not permitted in Alaska, Atlantic salmon are clearly ranging considerable distances from their farms of origin, says Volpe. Volpe is now launching a new initiative that calls for full reporting of captured Atlantics and that will allow his researc...
[Mis]understanding village abandonments
...and movement not only depended on the successes of farming
practices--they were also constrained and facilitated by social ties of inheritance, of political and ritual alliance, of territoriality and dispute. She added that the people lived within social networks that play out in the settlement dynamics, st...
Three tourist experiences named best worldwide for environmental, social responsibility
...any, Italy. ATG Oxford uses ancient pilgrimage and farming
paths as a basis for independent or guided walking tours through the Italian hinterland. Traditional agrarian village populations have benefited greatly from increased business during the usual off-season. ATG Oxford is also instrumental in restoring...
Shifts in rice farming practices in China reduce greenhouse gas methane
Changes to farming
practices in rice paddies in China may have led to...water management scenarios to cover the changes in farming
practices from 1980 to 2000. The two scenarios included continuous flooding over each season, and dr...
Could an anti-marijuana compound hold the key to body weight and appetite control?
... the globe, physically demanding occupations like farming
and mining are now carried out by machines. Western values such as television and automobiles are now encroaching on the most isolated environments. Finally, a highly processed diet -- along with a sedentary lifestyle -- is the likely culprit in th...
Stung by success: Intensive farming may suppress pollinating bees
Intensive, industrial-scale farming
may be damaging one of the very natural resources ... the Sacramento Valley in California, concentrated farming
appeared to reduce bee populations by eliminating natural habitats and poisoning them with pesticide...
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