Titlebook: Climate Change: Significance for Agriculture and Forestry; Systems Approaches A David H. White,S. Mark Howden Conference proceedings 1994 S

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千篇一律

秘傳

Polish Forest Ecosystems: The Influence of Changes in the Economic System on the Carbon Balance,e carbon influx into Polish forest ecosystems was estimated by the forest inventory approach to be about 12.8 Mt C/yr. This result was similar for both years. Efflux of carbon from Polish forest ecosystems resulted almost entirely from the decay of logging residues. The efflux in 1990 (3.82 Mt C/yr)

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圓錐

,Prüfung auf Faser-Sch?digungen [?S“],s in line with IPCC goals include reducing stocking rates, halting clearing of woody plants, reducing fire frequencies and (where cropping is practised) use of zero-tillage. A modelling approach is suggested as a basis for examining which responses are appropriate, given that most managers in these

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JIBE

irreparable