Biodiversity of West African Forests: An Ecological Atlas of by L. Poorter, F. Bongers, F.N'. Kouamý, W.D. Hawthorne PDF

By L. Poorter, F. Bongers, F.N'. Kouamý, W.D. Hawthorne

ISBN-10: 0851997341

ISBN-13: 9780851997346

ISBN-10: 0851999514

ISBN-13: 9780851999517

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Additional info for Biodiversity of West African Forests: An Ecological Atlas of Woody Plant Species (Cabi Publishing)

Example text

At the scale of the entire system (9), the lack of equilibrium of the relationship with the environment that was prevalent during the 1950s is still in place. The relative weight of factors varies according to the time scale and the spatial scale considered. About a hundred years ago, one could distinguish several stages. Before the French colonisation, a system of traditional sustainable cultivation was present with an expansion of natural forest cover due to population decrease caused by tribal and precolonial wars.

The Yocoboue-Tiegba main road also crosses the block and led to agricultural occupation. Deforestation is essentially in the interior of “forêts classées” (10% of the classified forest area). The zone along the road to Tiegba is a mosaic of forest and agricultural land. 6). (A) Blocks located in the eastern part of the area. Left the changes between 1958 and 1990, right the changes between 1990 and 2000. (B) Blocks located in the western part of the area. 6). A full-colour version of these figures can be found in Appendix 1.

Left the changes between 1958 and 1990, right the changes between 1990 and 2000. (B) Blocks located in the western part of the area. 6). A full-colour version of these figures can be found in Appendix 1. 25 22466 layout Chapter 2 p15-32 11/11/03 10:25 AM Page 26 Chapter 2. Forest cover changes in Côte d’Ivoire and Upper Guinea the savanna-woodland zones, most probably due to the incorrect interpretation of pioneer bush vegetation and of secondary forest. These were often interpreted as a forest degradation phase instead of a forest colonisation phase of the savanna (Spichiger 1975, Blanc-Pamard & Spichiger 1973, Gautier 1992b).

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Biodiversity of West African Forests: An Ecological Atlas of Woody Plant Species (Cabi Publishing) by L. Poorter, F. Bongers, F.N'. Kouamý, W.D. Hawthorne


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