nullify
发表于 2025-3-26 22:31:00
Book 2001geochemical cycling of carbon and other elements as well as on the biological and cultural diversity. The reasons why man does not take care of forests properly are manifold and complex and there is no easy solution how to change the existing negative trends. One reason that makes it so difficult to
使苦恼
发表于 2025-3-27 03:51:41
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extrovert
发表于 2025-3-27 05:36:15
Global Climate Change and Human Impacts on Forest EcosystemsPostglacial Developm
爱好
发表于 2025-3-27 10:57:25
Introduction,ge of the importance of nutrient cycling and conservation for the functioning and maintenance of ecosystems led to management practices that often resulted in a reduction of the biodiversity, soil quality and productivity of ecosystems. Such changes can take centuries, during which the ecosystems ma
GRAIN
发表于 2025-3-27 17:38:04
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HAUNT
发表于 2025-3-27 18:37:08
Sources and Sinks of Greenhouse Gases and Air Pollutants,to be dominated by natural variability of the atmosphere, while variability on decadal and century-long time scales is most likely caused by internal variability of the coupled ocean-atmosphere system (Jöhannesson et al. 1995). The latter has probably been influenced notably by anthropogenic impacts
宣誓书
发表于 2025-3-28 01:16:53
Present State of Forest Ecosystems,y forests (Nilsson and Schopfhauser 1995; FAO 1997; Binkley et al. 1997). During the 1980s, tropical forest cover diminished strongly, at an average rate of 16.8 million ha annually, corresponding to 1.2% of the total tropical-forest cover (Lanly et al. 1991).
CHASE
发表于 2025-3-28 04:44:39
Implications of Changes in Ambient and Climatic Conditions on Ecosystem Processes,ols are frequently subjected to mid-range transport and are deposited in the regions downwind of the source, or they may even undergo hemispheric or global long-range transport. Thus, approximately 20% of 1 Pg of soil particles entering the atmosphere from arid regions are subjected to long-range tr
Lipoprotein(A)
发表于 2025-3-28 08:38:53
Scenarios of Future Changes, the Earth’s reflectivity caused by changes in the distribution or proportion of continental/ oceanic surfaces (a 1% reduction of the albedo is estimated to correspond to an increase in mean surface temperatures by 2 °C) were taken into account, and the residual temperature changes were therefore re
一瞥
发表于 2025-3-28 14:18:09
https://doi.org/10.1007/978-3-658-29411-3ge of the importance of nutrient cycling and conservation for the functioning and maintenance of ecosystems led to management practices that often resulted in a reduction of the biodiversity, soil quality and productivity of ecosystems. Such changes can take centuries, during which the ecosystems ma