Conclusions
The Amazon Region is the domaine of tropical rainforest. The urgent need for ecosystem research in natural forests has been identified as a tool for the study of the biosphere and its components. Such research will provide a more adequate insight into the structure and functioning of the ecosystems and the knowledge gained can be used in planning ecologically sound development and in its execution (Schubert, 1977). Emphasis was given to the terra firma forest, specifically to terra firma forests in southern Venezuela where ecosystem research has been carried out.
Soil scientists, ecologists, agronomists and foresters are aware that large tracts of the Amazon Region are poor in nutrients and possess soils of low natural fertility. Soils of better quality also exist. While the research carried out in southern Venezuela contributes much to the understanding of forest structure and functioning in nutrient-poor sites (Golley, 1981) and may, in addition, be extrapolated to similar sites else-where in the region, there is an absolute lack of knowledge concerning forest ecosystems on soils of better nutrient status. The latter should receive high priority for investigation.
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Klinge, H. Forest structures in Amazonia. Environmentalist 3 (Suppl 5), 13–23 (1983). https://doi.org/10.1007/BF01910242
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DOI: https://doi.org/10.1007/BF01910242