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Saturday, April 29, 2017

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NEWS : Environment

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The balance of trade in alien species between South Africa and the rest of Africa
26 April, 2017
Fabi
Alien organisms are not only introduced from one biogeographical region to another but also spread within regions. As South Africa shares land borders with six countries, multiple opportunities exist for the transfer of alien species between South Africa and other African countries... read more
A new Leptographium species from the roots of declining Pinus sylvestris in Switzerland
25 April, 2017
Fabi
Scots pine (Pinus sylvestris) trees have been declining in the Rhône valley, Switzerland, for almost three decades. In an assessment of the role of fungi in this syndrome, the dominant fungus isolated from stained roots was a Leptographium species, morphologically similar... read more
Satellites map carbon sequestered by forests
25 April, 2017
Friday offcuts
Led by VTT Technical Research Centre of Finland, the EU North State project has developed a new method of using satellite images to evaluate the forest carbon balance. The carbon balance indicates how much carbon is sequestered or released by forests each year. read more
Prescribed forest fire frequency should be based on land management goals
25 April, 2017
Science Daily
In recent decades, scientists and land managers have realized the importance of controlled forest fires for reaching specific forest management objectives. However, questions remain about how often forests should be burned. Now, researchers at the University of Missouri... read more
Managed forests are a powerful tool for coping with climate change
25 April, 2017
Treehugger
The world's forests already have a lot on their plate: Providing flood protection, drinking water purification, lumber, and recreation, plus habitat for about half the world's mammals, birds, and insects. Forests absorb a third of the world's annual carbon dioxide emissions from the burning of fossil fuels. read more
Nature Conservancy gives forest management a digital makeover
25 April, 2017
TC
Keeping a forest healthy often means deciding what to do tree by tree and acre by acre. That's easy enough with a square mile of it, but what about a thousand? The Nature Conservancy is working on tools that will make it easy for park services, fire control and conservationists... read more
Tas forestry burn under control: govt
13 April, 2017
news.com.au
The Tasmanian government says a forestry regeneration burn in the state's northwest crossed only slightly outside its planned boundary and is contained. Resources Minister Guy Barnett labelled claims by conservationists that the fire was out-of-control... read more
The Legacy of Clifford R. Pettis in the Adirondacks
11 April, 2017
The sun
Clifford Robert Pettis is widely known as the "Father of Reforestation" in New York State and served as the Superintendent of State Forests from 1910 until his death in 1927. The Adirondack Forest Preserve we know and love today is much a result of Pettis' hard work and innovative... read more
When old growth beats old school
11 April, 2017
Science Daily
As the planet warms, carbon markets are getting hot too. Forest landowners have been looking for ways to enter these markets, making money from their commercial timberland not just by selling logs -- but also by demonstrating that their land is absorbing climate-warming... read more
More than 60,000 tree species
10 April, 2017
Timber biz
There are 60,065 species of trees in the world, according to a comprehensive study of the world's plants. Botanical Gardens Conservation International (BGCI) compiled the tree list by using data gathered from its network of 500 member organisations. It hopes the list will... read more

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