Long distance dispersal, overland migration and extinction in the shaping of tropical African floras | Zendy

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Long distance dispersal, overland migration and extinction in the shaping of tropical African floras

Author(s) -

F. White

Publication year - 1983

Publication title -

bothalia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.457

H-Index - 20

eISSN - 2311-9284

pISSN - 0006-8241

DOI - 10.4102/abc.v14i2.1184

Subject(s) - biological dispersal , ecology , extinction (optical mineralogy) , biology , geography , taxon , paleontology , population , demography , sociology

The distribution, ecology, probable modes of dispersal and taxonomic relationships of five species of Chrysobalanaceae and one of Meliaceae and Hernandiaceae are summarized. Most of these show trans-oceanic disjunctions and, in Africa, behave as ecological and chorological transgressors; morphologically they are variable. The potential importance of transgressors in the origin of new species and of evolutionary innovations, and in the interpretation of disjunctions is discussed.

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