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harvest in Biological News

Nanofarming technology harvest biofuel oils without harming algae

AMES, Iowa Algae is widely touted as the next best source for fueling the world's energy needs. But one of the greatest challenges in creating biofuels from algae is that when you extract the oil from the algae, it kills the organisms, dramatically raising production costs. Now researchers at ...

Iowa State researchers study ground cover to reduce impact of biomass harvest

AMES, Iowa -- Ground cover may be one workable method to reduce the effects of erosion that future biomass harvests are predicted to bring. Iowa State University researchers are looking at ways to use ground cover, a living grass planted between the rows of corn, in production farming. The s...

Triple threat: World fin trade may harvest up to 73 million sharks per year

The first real-data study of sharks harvested for their valuable fins estimates as few as 26 million and as many as 73 million sharks are killed each year worldwide--three times higher than was reported originally by the United Nations, according to a paper published as the cover story in the Octob...

Primates harvest bee nests in Ugandan reserve

In the first study of native African honeybees and honey-making stingless bees in the same habitat, humans and chimpanzees are the primary bee nest predators. Robert Kajobe of the Dutch Tropical Bee Research Unit and David Roubik from the Smithsonian Tropical Research Institute report this finding...

Holding breath for several minutes elevates marker for brain damage

...eath-hold diving in Japan and some other parts of the world that goes back hundreds of years, although the occupation has been dying out. These divers harvest seaweed, shellfish and other growth from the sea bottom, diving dozens of times per day. Some divers routinely dive to depths of 90 feet on a single b...

Organic food not nutritionally better than conventionally-produced food

... nutrient content. Differences that were detected were most likely to be due to differences in fertilizer use (nitrogen, phosphorus), and ripeness at harvest (acidity), and it is unlikely that consuming these nutrients at the levels reported in organic foods would provide any health benefit. Alan Dangour...

Researchers team up to provide new hope for childhood hunger

... world today announced the formation of the Global harvest Alliance (GHA), a humanitarian effort involving St...ter's cassava team, the full vision for the Global harvest Alliance began to take shape. "Effective solution...st severely malnourished children. The new Global harvest Alliance promises to accelerate the advances which...

Early rice harvests ease annual famine in Bangladesh

...re benefiting from research that allows farmers to harvest rice earlier, giving them more time to grow a seco... previous season's food has run out and before the harvest of transplanted rice in December. According to...ting a shorter-duration rice variety can bring the harvest forward 25-40 days," said Dr. David Johnson, IRRI ...

Wood stoves -- a viable home heat source?

... released by the combustion is negligible, the only surplus coming from the harvest and transport. Based on an average growing time of 130 years before harvest for local Ontario tree species, a woodlot or forest 3.5 hectares in size wo...

NOAA bans commercial harvesting of krill

...er the Magnuson-Stevens Fishery Conservation and Management Act. The krill harvest prohibition was originally proposed to the PFMC and NOAA Fisheries Service ... Amendment 12 adds all species of krill under a new category, "prohibited harvest species." This new group may not be caught or taken by any fishery or gear...

Pacific Northwest forests could store more carbon, help address greenhouse issues

...dy concludes, if they are managed primarily for that purpose through timber harvest reductions and increased rotation ages. In the complete absence of stand-replacing disturbances via fire or timber harvest forests of Oregon and Northern California could theoretically almost doubl...

Desert rhubarb -- a self-irrigating plant

... the "self-irrigating" mechanism of the desert rhubarb, which enables it to harvest 16 times the amount of water than otherwise expected for a plant in this re...verage annual rainfall of 75 mm - showed that the desert rhubarb is able to harvest quantities of water that are closer to that of Mediterranean plants, reachi...

Study: Illegal fishing harming present and future New England groundfish fisheries

...University of Rhode Island detail nearly a doubling of the percent of total harvest taken illegally over the last two decades in the Northeast multispecies groundfish fishery (NEGF). The study estimates the annual illegal harvest to be 12 to 24 percent, significantly higher than estimates of 6 to 14 perc...

Notre Dame researchers describe new tool for evaluating 'managed relocations'

...related to endangered species, such as the suggestion that foresters plant certain species of tress beyond their northern range boundaries for timber harvest or the desire by some stakeholders to relocate aesthetically or culturally valued species outside their historic range. Such activities may take place...

Pliable proteins keep photosynthesis on the light path

...called chlorophyll, which not only give most plants their color, but also along with the yellow and orange carotenoid pigments, are key molecules that harvest light across the spectrum. In all plant chlorophylls, only one particular metal, magnesium, is held tightly within the molecule's center. During ...

Protecting fresh-cut produce

...in the day before harvest, inner leaves had 25% higher phenolic content. The lowest harpin level made no difference nor did applications 1 week before harvest at any harpin level. All three harpin levels increased phenolic levels 7% to 9% in outer leaves when applied 1 week before harvest. However, only the ...

Crop models help increase yield per unit of water used

...ping systems and the amounts, timing, and methods of both irrigation and fertilizer applications may be changed to improve WUE while meeting yield and harvest quality goals. Field experiments are too costly to address all scenarios, but computer models of crop growth and yield may fill in the gaps if the mod...

Ben-Gurion University research and technology used in new solar energy farm

...rman of the Department of Solar Energy and Environmental Physics at BGU's Jacob Blaustein Institutes for Desert Research, believes the new system will harvest more than 70 percent of incoming solar energy (as compared to industry norms of 10 percent to 40 percent). "By concentrating solar energy to a leve...

Researchers report 'moderately large' potential for red tide outbreak in Gulf of Maine region

...ce warning of a potentially troublesome year for algae can give shellfish farmers and fishermen time to make contingency plans for the timing of their harvest or expansion of aquaculture beds; state agencies can make informed staffing decisions to accommodate additional monitoring that might be required to p...

Marine scientists warn of potential for spring, summer red tide outbreak in Gulf of Maine

...ng of a potentially troublesome year for harmful algae can give shellfish farmers and fishermen time to make contingency plans for the timing of their harvest or expansion of aquaculture beds. State agencies can make informed staffing decisions to accommodate additional monitoring that might be required t...

The egg makes sure that sperm don't get too old

...from a somatic cell that has come from a patient who needs a stem cell transplantation. As soon as the cell has divided a few times, it is possible to harvest stem cells that are then allowed to mature to the cell type that the recipient needs. "The genetic stability of the transplanted cells has been a s...

'Delicious' new grape debuts

...Fruit allowed to ripen further tend to have a softer flesh, become noticeably juicier, but retain an edible skin. The berries have a dry stem scar and harvest readily with mechanical shaking. Although 'Delicious' is being released primarily as a fresh eating grape, it has some potential for wine. Based on...

Research synthesis shines light on several management options after fires in diverse ecosystems

...rt on management after fire hinges upon. The publication, Effects of Timber harvest Following Wildfire in Western North America, tells us that the type of fore... The authors define several principles about the effects of postfire timber harvest on most landscape: Logging can kill naturally regenerating trees if th...

Doubling a gene in corn results in giant biomass

... who has 50 steers, could grow this and use the corn as feed and sell the stalks and sugar. It could be an alternative silage, because it has a longer harvest window than regular silage." For this sugar corn plant to become commercialized, it would have to get government approval, but Moose said that this...

Doubling a gene in corn results in giant biomass

... who has 50 steers, could grow this and use the corn as feed and sell the stalks and sugar. It could be an alternative silage, because it has a longer harvest window than regular silage." For this sugar corn plant to become commercialized, it would have to get government approval, but Moose said that this...

Analysis of fresh strawberries reveals consumer preferences

...ons in the University of Florida breeding program, as well as the impact of harvest date on the fruits' chemical and sensory characteristics. According to l...gh germplasm strongly influenced volatile composition and perceived flavor, harvest date and season were also found to be an important factor influencing straw...

Antioxidants in Midwestern black raspberries influenced by production site

...oduction sites. Samples were frozen within 24 h of harvest in on-farm, conventional freezers. These materials...vels might vary among locally grown cultivars from harvest site to harvest site and, as a consequence, of how they are handle...

UNH researchers studying spiny dogfish, Gulf of Maine's mini shark

... three-foot-long sharks that the yellow-eyed creatures are often considered a nuisance. However, fishery management plans have set quotas to limit the harvest of dogfish to 3,000 pounds per trip in state waters due to concerns by scientists that the species could easily be overfished. The market for dogfish ...

'Experiment of nature' examines how mother's diet may impact on child's health

...elation between the mother's diet and her nutritional status, and whether there are differences in methylation patterns in babies conceived during the harvest or hungry seasons. If a mother's diet does affect her offspring's methylation patterns, this could prove very important as epigenetic changes media...

Coffee cultivation good for diversity in agrarian settlements but not in forests

...es growing coffee under shade trees in a cultivated landscape, growers also harvest coffee from forests in the regions under study. "In some places they harvest sparse growth of rather low-producing forest coffee, while in other places ...

Grape shapes

...gation. "Visual inspection supported the SigmaScan analysis," reported the researchers. The grapes used for the study were frozen at the time of harvest and did not need to be thawed or cut to be photographed. Ten grapes were photographed at one time, but more grapes could be shot and studied in a sing...

Decline of shorebird linked to bait use of horseshoe crabs

...n 75 percent. "We concluded that the increased harvest of horseshoe crabs led to a reduction in the food ...isheries. In the years from 1992 to 1997, reported harvest of crabs grew 20 fold from about 100,000 individua...d study shows that this increase in horseshoe crab harvest has led to a dramatic decrease in the number of sp...

Methyl bromide alternatives for California strawberry nurseries

...cal-use exemption. Strawberry production is important to California's economy; the state leads the U.S. in strawberry production. In 2006, the fruit harvest yielded a value of $1.2 billion, and accounted for 79% of the total U.S. gross sales. The diversity of climates in California along with the use of...

Scientists to sequence DNA of British wheat varieties

...million to decode the genome of wheat, in order to help farmers increase the yield of British wheat varieties. Bread wheat, with an estimated world harvest of more than 550 million tonnes, is one of the most important food crops in the world and is worth more than 2 billion to the UK's agricultural indust...

Rot's unique wood degrading machinery to be harnessed for better biofuels production

...rown-rot fungi have significant economic impact because their ability to wreak havoc with wooden structures. A significant portion of the U.S. timber harvest is diverted toward replacing such decayed materials. Unlike white-rot fungi, previously characterized by DOE JGI and FPL, which simultaneously deg...

BioScience tip sheet, February 2009

...s might be improved. Effects of Horseshoe Crab harvest in Delaware Bay on Red Knots: Are harvest Restrictions Working? Lawrence J. Niles, Jonath...esent data indicating that the 2007 horseshoe crab harvest in Delaware Bay exceeds that of 1990, despite rest...

Success for first outdoor, large-scale algae-to-biofuel research project in Nevada

...olecular Biology. A conservative estimate for this harvest is 30 percent lipids and five percent starches on ...oping a practical process to grow, concentrate and harvest the algae. The alga variety harvested was selected... Jeffrey Eppink, president of Enegis, said, "this harvest represents the culmination of more than four years...

Nutritional supplementation program helps prevent weight loss among children in African country

...village rather than the individual level. "The primary hypotheses were that village-level supplementation with RUTF in the months preceding the annual harvest would prevent declines in individual weight-for-height and reduce the incidence of wasting in children aged 6 to 60 months over a period of 8 months,"...

Our microbes, ourselves

...ss surgeryto participate in the study. The research team's central hypothesis is that differing microbial populations in the gut allow the body to harvest more energy, making people more susceptible to developing obesity. These small differences can, over time, profoundly affect an individual's weight. S...

As super-predators, humans reshape their prey at super-natural speeds

...eshaping the wild populations that remain, leaving smaller individuals to reproduce at ever-earlier ages, said Darimont. "The public knows we often harvest far too many fish, but the threat goes above and beyond numbers," said Darimont. "We're changing the very essence of what remains, sometimes within th...
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