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Tag: "pine" at biology news

Termites feed through good vibrations

...ood." ### Listen to termites walking and chewing pine http://www.csiro.au/audio/termite_Feb05.mp3 Termite pictures: http://www.scienceimage.csiro.au/index.cfm?event=site.image.detail&id=2583 http://www.scienceimage.csiro.au/index.cfm?event=site.image.detail&id=2584 ...

Biodiversity hotspots identify conservation priorities

...re endemics), about a third of the world's oak and pine tree species, and over 1,500 vertebrate species (i...s of monarch butterflies (Danaus plexippus) in the pine forests of Michoacan. Threats to the hotspot include logging and intentional burning to clear land f...

Shift of weather patterns necessitates rethinking of reforestation methods

...ndowners can greatly increase the survival rate of pine tree seedlings by changing when and how they plant, according to research conducted here. "There's been too many (reforestation) failures over the last decade or so," said Dr. Eric Taylor, Texas Cooperative Extension forestry specialist. "Some land...

Alien woodwasp, threat to US pine trees, found in N.Y.

... insect species has devastated up to 80 percent of pine trees in areas of New Zealand, Australia, South America and South Africa. If established in the United States, it would threaten pines coast-to-coast, particularly in the pine-dense states in the Southeast. One target would be loblolly pines in Georg...

Researchers discover key gene involved in bark beetle pheromone production

...l Academy of Sciences (PNAS). Bark beetles plague pine forests, especially when the trees are stressed. The Lake Tahoe basin lost 30 percent of its pines to bark beetle infestation during the 1986-1994 drought, according to Blomquist. There are several hundred species of bark beetles, which are in the i...

High carbon dioxide levels spur Southern pines to grow more needles

...vironment and Earth Sciences, analyzed 10 years of pine needle data collected at the Free-Air Carbon Dioxide Enrichment (FACE) experiment in Duke Forest, a near-campus research reserve. At FACE, some stands of fast-growing loblolly lines are being exposed to the higher levels of CO2 expected by 2050 due ...

Elusive salamanders have role in developing new sampling models

... in old crayfish holes and other crevices in soggy pine flatwoods. This research is important to the military because better information about the presence or absence of salamanders can help installation natural resource managers apply effective conservation strategies for this species. Helping provide r...

The ecological effects of the Chernobyl disaster

...surements will be described. Also working in these pine forests, Vadim Skripkin and colleagues from the Institute for Environmental Geochemistry, Ukraine and the University of South Carolina will report their findings on the distribution of 14C in, "The turnover of 14C carbon in forests of the Chernobyl e...

'Acid rain' and forest mass: Another perspective

..., five-year period stages and in two young radiata pine forests (the first stage) and in two oak woods (the second). To this end, weekly samples of rain, transcolation (fraction of the precipitation that passes through the forest canopy), and litterfall (vegetable material fallen from trees: leaves, twig...

Underlying cause of massive pinyon pine die-off revealed

...nder such conditions, the trees cannot make enough pine sap to defend themselves against the insects. "These trees are slow-growing trees, so we aren't going to have woodlands of this type back in this area for decades," Breshears said. He added that the lack of pinyon nuts will have negative effects on ...

Extinctions linked to climate change

... similar interaction, Blaustein said, the mountain pine beetle in parts of the western United States is completing its life cycle in one year, instead of two, leading to increasing problems with the fungus they carry. "When pathogens such as this can spread more rapidly, they can do more damage in much le...

New organic substrate

...the commercial name of "FIBRALUR" and is made from pine wood shavings which have been defibred by means of... During this defibration process the bark of the pine is subjected to a washing in water at a temperature of 90-115 ºC, the resulting cellulose being prac...

Natural pine bark extract relieves muscle cramp and pain in athletes and diabetics

...e of Angiology shows that supplementation with the pine bark extract Pycnogenol® (pic-noj-en-all) improves blood flow to the muscles which speeds recovery after physical exercise. The study of 113 participants demonstrated that Pycnogenol significantly reduces muscular pain and cramps in athletes and heal...

Study shows pine bark naturally decreases severe chronic venous insufficiency

...plant extract from the bark of the French maritime pine tree. Over 35 years of research on Pycnogenol® demonstrate the antioxidant's ability to improve blood flow and strengthen venous walls. Published results from this study showed Pycnogenol® to be more effective in reducing edema (leg swelling), tigh...

Report highlights change in Canada's forests

...crease access in existing markets, combat mountain pine beetle, and help communities and workers affected by the issues facing the forest industry." The annual report is rounded out by statistics on forest cover, employment, exports, production and trade. It is available in English and French online at ...

Birds found to plan for the future

...y of the experiment they were suddenly given whole pine nuts suitable for caching in the evening. The rese...rs observed that the jays consistently cached most pine nuts in the tray in the ‘no breakfast?compartment, anticipating that they would not be fed in the fo...

How to manage forests in hurricane impact zones

...ed the potential damage to 9 theoretical stands of pine trees, looking at how each would react to hurricane wind speeds, to make recommendations for different situations. "Our simple simulation of stem breakage potential suggests that stand spacing and tree height can be manipulated to reduce risk, an...

Canada's new government invests $200M in the fight against the mountain pine beetle

...ada today announced measures to fight the mountain pine beetle and address its impacts on communities and forests in British Columbia. The Federal Mountain Pine Beetle Program will provide $200 million to minimize the consequences of the beetle infestation and assist in efforts to slow the infestation's e...

Iowa State University botanists identify new species of North American bamboo

...aria tecta) is found in non-alluvial swamps, moist pine barrens, live oak woods and along sandy margins of streams. "Most people have no idea that we have native bamboo in the U.S.," Clark said. "But it has been a very important plant ecologically. And there's recent interest in using it for re-vegetat...

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