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This map was digitized from the geology map of Madagascar (BESAIRIE,
1964). The 96 original categories were reclassified into predominant
rock types which seem to have an important effect on the vegetation they
support. The categories of sedimentary rocks include sandstones, loose
(unconsolidated) sands, and two limestone categories of different ages
(one of which produces the spectacular "tsingy" areas of
jagged, highly eroded limestone pinnacles). A broad category of
metamorphic rocks (including granites and migmatites), often covered by
thick layers of laterites, covers large areas of the central and eastern
areas of the island. Lavas and basalts, and several restricted rock
types including quartzites, marbles and ultrabasics are also distinguished.
Data Provided By:
Justin Moat,Royal Botanic Gardens,Kew.,David Du Puy,Royal Botanic Gardens,Kew.
Content date:
not specified
Citation:
Title: Simplified Geology of Madagascar Credits: Justin Moat,Royal Botanic Gardens,Kew.,David Du Puy,Royal Botanic Gardens,Kew. Publication Date: 19971212 Publisher: Justin Moat and David Du Puy, Royal Botanic Gardens, Kew. Online Linkages:
Title: Malagasy Plant Diversity Project Credits: Justin Moat and David Du Puy, Royal Botanic Gardens, Kew(comp.) Publication Date: 19971215 Publisher: Justin Moat and David Du Puy, Royal Botanic Gardens, Kew. Online Linkages:
Other Citation Info: Du Puy, D.J and Moat, J.F. (1998, in press). Vegetation
Mapping and Classification in Madagascar (using GIS)|
Implications and Recommendations for the Conservation of
Biodiversity. In| Cutler, D.F., Huxley, C.R. & Lock, J.M.
(Eds.), The ecology, chorology and taxonomy of the
African and Madagascan floras -�������� Proceedings of the Frank
White Memorial Symposium. Kew Bulletin Additional Series.
Royal Botanic Gardens, Kew.
Du Puy, D.J and Moat, J.F. (1997). Using GIS for
vegetation mapping and conservation planning in
Madagascar. In| Plant Talk (Plant Conservation
Worldwide), (Issue 11 - October 1997), p 24. The Botanical
Information Company Ltd, UK.
Du Puy, D.J. and Moat, J. (1996). A refined classification of
the primary vegetation of Madagascar based on the
underlying geology| using GIS to map its distribution and to
assess its conservation status. In| W.R. Louren��������o (editor).
Proceedings of the International Symposium on the
Biogeography of Madagascar, pp. 205--218, + 3 maps.
Editions de l��������ORSTOM, Paris.
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The Conservation Biology Institute (CBI) provides scientific expertise to support the conservation and recovery of biological diversity in its natural state through applied research, education, planning, and community service.