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A procedure is required for ecosystem studies which is ordered but flexible and directs workers quickly and inexpensively towards answers to key ecolo...
Read moreThe foliage areas exposed to direct sunlight, or shaded from it by other foliage, can be calculated for any particular foliage-area index given the in...
Read moreGives the results of a survey of woodlands characterized mainly by Eucalyptus spp., including data on: the contents of Ni, Co, Cu, Zn and S in differe...
Read moreThe dairy farm Hoeve Stein was converted from a conventional into an organic nature-oriented farm. This was the result of a close collaboration betwee...
Read moreThe growth of Corsican pine (Pinus nigra var. maritima) on a nitrogen-deficient site in the Moray Forest declined progressively while up to 36% of the...
Read moreA new method for determining the age of grasstrees (Xanthorrhoea spp and Kingia australis) is proposed. It is based on annual fluctuations in stem dia...
Read moreThe impact of climate change, human activity pressures on biodiversity losses are discussed and on the current initiatives to prevent and recover the ...
Read morePhotocells were traversed at 6 canopy heights in a 15-yr-old plantation in North Carolina. When incident radiation was predominantly direct-beam, a bi...
Read moreA model was developed to simulate the production rate of above-ground dry matter by trees and by ground vegetation. Values for a Scots pine stand in c...
Read moreGermany is generally characterized by intensive agriculture. There is increasing concern about the situation of extensively used meadows and pastures ...
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