... Swiss canton of Valais, until it had to be felled in 1987 for safety reasons. All that this tree lived through in 700 years is written down in its tree rings. 35.67 (42) ...
11 Apr 2020 ... The oak is not only home to many different species of insects. ... Fungi break down the heartwood of older oaks with brown rot, without ...
Side slope stabilisation on unstable ground. The construction of forest tracks can be a real challenge if the underlying soil is very soft. If this is the case, geogrids ...
13 Sep 2011 ... If the water is not deep enough beavers will dam the river. ... But here lies the problem, because 75% of agricultural areas have a path or a road ...
12 Dec 2007 ... ... forest was linked to the development, problems and evolution of civilisation. ... The forest was tamed, so that today it is not only an important ...
28 Apr 2020 ... They are usually not capable of secondary thickening. ... “Top-heavy” seedlings have problems in dry environmental conditions, because the ...
This may lead to an overriding of trees with weaker growth ability and dominant species may not achieve the targeted log quality (boundary-layer problem!)
However, they are both not fit for population regulation during population growth ... Hence the same problems and consequences can be expected from a forest ...
Therefore, stocking down these species is not necessary. Ground clearing. Generally it's not necessary to remove slash from the site (crowns, brushwood or non- ...
The problem, scientists say, is that this critical carbon-regulating service could be lost entirely if the earth heats up 2.5 degrees Celsius (4.5 degrees Fahrenheit) ...
The more serious problem turned out to be the selection of trustworthy and top-quality ... Reduce the forest rangers control span down to no more than 3 logging ...
