Subspecies, morphs and clines in the amphipod Gammarus duebeni from fresh and saline waters

Sutcliffe, David (2000) Subspecies, morphs and clines in the amphipod Gammarus duebeni from fresh and saline waters. Freshwater Forum, 13, pp. 60-75.

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Abstract

The nature and extent of morphological variation within populations of Gammarus duebeni are examined. The exceptional tolerance of G. duebeni to salinities that encompass three orders of magnitude was known in the 19th Century, and has attracted considerable attention from physiologists and ecologists in the 20th Century, including the likelihood that populations in freshwater are distinct from those living in more saline environments. It is concluded that gradual evolution into discrete and readily distinguished subspecies is currently underway, eventually producing several new species in freshwater and saline habitats.

Item Type:	Article
Title:	Subspecies, morphs and clines in the amphipod Gammarus duebeni from fresh and saline waters
Personal Creator/Author:	Creators Email Sutcliffe, David
Refereed:	No
Journal or Publication Title:	Freshwater Forum
Volume:	13
Page Range:	pp. 60-75
Date:	2000
ISSN:	0961-4664
Issuing Agency:	Freshwater Biological Association
Uncontrolled Keywords:	Animal morphology; Clines; Evolution; Freshwater crustaceans; Limbs; Marine crustaceans; Salinity tolerance; Taxonomy; Gammarus duebeni
Subjects:	Biology Limnology
Item ID:	4602
Depositing User:	Hardy B Schwamm
Date Deposited:	26 Nov 2010 12:39
Last Modified:	29 Sep 2011 16:11
URI:	http://aquaticcommons.org/id/eprint/4602

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