Correspondence analysis of shell morphology in the African freshwater snail Biomphalaria pfeifferi (Kraus 1848) (Pulmonata: Gastropoda)

A correspondence analysis of shell measurements taken from 521 widely dispersed specimens of the African aquatic pulmonate snail Biomphalaria pfeifferi suggests the existence of eight morphological groups. These groups appear to relate to either ecophysiological factors or to factors associated with...

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Veröffentlicht in:	Biological journal of the Linnean Society 1993-12, Vol.50 (4), p.329-338
Hauptverfasser:	DUPOUY, JACQUES, ROUSSEAU, DIDIER, DUSSART, GEORGES, LIAUD, MARC VIANEY, NASSI, HENRI
Format:	Artikel
Sprache:	eng
Schlagworte:	Africa Animal and plant ecology Animal, plant and microbial ecology Animals Autoecology Biological and medical sciences Biomphalaria pfeifferi climatic cline Freshwater Fundamental and applied biological sciences. Psychology Gastropoda geographical distribution Invertebrates Morphometry Protozoa. Invertebrata Pulmonata snails
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Beschreibung
Zusammenfassung:	A correspondence analysis of shell measurements taken from 521 widely dispersed specimens of the African aquatic pulmonate snail Biomphalaria pfeifferi suggests the existence of eight morphological groups. These groups appear to relate to either ecophysiological factors or to factors associated with the stability of the freshwater system rather than to aspects of geographic distribution and genetic isolation.
ISSN:	0024-4066 1095-8312
DOI:	10.1111/j.1095-8312.1993.tb00935.x