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Latest Forest ecology Stories

2011-04-04 12:52:21

'Outer' tree canopy leaves influence the sunlight reaching inner canopy leaves by changing their shape, says a new study. The shape and physiology of leaves within the tree canopy is not constant, and can vary depending on their position within the tree crown. This phenomenon is expected to have important consequences for how trees cope with stress and use resources. A new study describes how the leaves in the outer canopy of olive trees can influence the light environment within the canopy...

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2010-07-11 08:20:09

Redwood forest ecosystem of northern California depends on fog to stay hydrated during rainless summers As the mercury rises outdoors, it's a fitting time to consider the effects of summertime droughts and global warming on ecosystems. Complex interactions among temperature, water cycling, and plant communities create a tangled web of questions that need to be answered as we face a rapidly changing climate. Drs. Emily Limm and Todd Dawson (University of California, Berkeley) recently tackled...

2010-04-21 08:29:08

Taiwanese researchers reveal the best and coolest trees for subtropical urban areas Shade trees are the superstars of urban landscapes. In addition to their intrinsic aesthetic qualities, these low-tech workhorses reduce air and noise pollution, provide habitat for wildlife, increase property values, and offer cool respite for harried urbanites. Strategically planted shade trees decrease energy usage in urban buildings, absorb carbon dioxide, and supply fresh oxygen. It's no coincidence that...

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2010-04-06 13:25:19

A new study reconstructing thousands of years of fire history in the southern Appalachians supports the use of prescribed fire, or controlled burns, as a tool to reduce the risk of wildfires, restore and maintain forest health and protect rare ecological communities in the region's forests. Duke University researchers used radiocarbon analysis of 82 soil charcoal samples dating from 1977 to more than 4,000 years ago to reconstruct the fire history of a 25-acre site in the Nantahala National...

2010-03-29 09:10:03

Ecosystems are essential for preserving the quality of life of human beings, and society should be aware of this, according to Ms Miren Onaindia, biologist and person responsible for the Forest Ecology and Natural Resources research team at the University of the Basque Country (UPV/EHU). This group has been investigating the woods and forest of the Autonomous Community of the Basque Country (CAV-EAE) for twenty years now. In recent times they have focused on evaluating the situation of...

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2010-01-14 10:31:20

Since the time of the earliest humans, people have attempted to understand the natural environment. We have observed our surroundings and searched for explanations for natural phenomena. Yet despite our persistence over thousands of years, many basic questions remain to be answered. Although we understand core processes such as photosynthesis, we do not have a full understanding of issues such as how plants maximize their photosynthetic capacity. Specific leaf area, or SLA, plays a prominent...

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2009-11-04 07:40:49

New study provides vital information for commercial pecan operations Pecan, the most valuable nut tree native to North America, is native from northern Illinois and southeastern Iowa to the Gulf Coast of the United States, where it grows abundantly along the Mississippi River, the rivers of central and eastern Oklahoma, and Texas. Popularity and consumer demand for pecans has increased the cultivation of pecan trees to other areas, while commercial production has expanded into many regions of...

2009-05-27 11:16:49

Most polluted or damaged ecosystems worldwide can recover within a lifetime if societies commit to their cleanup or restoration, according to an analysis of 240 independent studies by researchers at the Yale School of Forestry & Environmental Studies. Their findings will appear in the June edition of the journal PLoS ONE. The Yale researchers found that forest ecosystems recovered in 42 years on average, while ocean bottoms recovered in less than 10 years. When examined by disturbance...

2009-04-22 10:23:00

HARRISBURG, Pa., April 22 /PRNewswire-USNewswire/ -- Pennsylvanians who plant a tree at their home or business can help the commonwealth reach its goal of putting one million trees in the ground statewide by 2012. Citizens can register up to three trees on the TreeVitalize Web site at www.treevitalize.net. "The TreeVitalize program is working with metropolitan communities across the state on tree plantings, and we'd also like to be able to count the new trees that homeowners plant...

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2009-04-13 16:32:05

Excursion to a rainforest canopy creates a communication bridge between scientists and policy-makers Most of the time, scientists keep to their world and policy-makers keep to theirs--and never the twain shall meet. The distance between scientists and policy-makers rarely even narrows when they share a mutual interest in science-based policy issues. The great divide A case in point: some state governments in the Pacific Northwest have changed the length of the mandatory waiting period between...


Latest Forest ecology Reference Libraries

Forest Gardening
2013-07-31 15:46:47

Forest gardening is a woodland ecosystem that requires little maintenance. Forest gardening is a form of intercropping that is a seven tier, layering system utilizing the space from the sub-ground up to the canopy in order to provide high yielding food production for human consumption in wooded areas. Layering utilizes the photosynthesis to the maximum benefit for each tier within the forest garden. The canopy level consists of the tallest fruit/nut trees with dwarf trees in the...

Rainforests
2013-04-19 19:33:20

Rainforests are forests that are characterized by high levels of rainfall, with definitions based on a minimum usual annual rainfall of about 68 to 78 inches. The monsoon trough, or otherwise known as the intertropical convergence zone, holds an important role in producing the climatic conditions that are essential for the Earth’s tropical rainforests. About 40 to 75 percent of all biotic species are native to the rainforests. It’s been estimated that there might be many millions of...

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Word of the Day
drawcansir
  • A blustering, bullying fellow; a pot-valiant braggart; a bully.
This word is named for Draw-Can-Sir, a character in George Villiers' 17th century play The Rehearsal.
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