NDLI: Range Expansion in the Northeast Pacific by an Estuary Mud Crab

Content Provider	Springer Nature Link
Author	Petersen, Christine
Copyright Year	2006
Abstract	The potential habitat of the introduced estuary crab Rhithropanopeus harrisi (Gould, 1841) in Oregon and central California was surveyed to discover current sites of presence. In order to infer the direction of range expansion and attempt to trace the source population, a 523 bp sequence of the mitochondrial gene Cytochrome c oxidase I was compared between three Pacific populations (28–39 individuals/population), with one mid-Atlantic population included for assessment as a hypothetical source. Notably, this species persists at fairly low densities in the Pacific despite its apparent habitat tolerance, and range expansion and establishment over a broad geographic area. It was possible to deduce that the current Pacific populations descend from a single introduction event. Despite a genetic bottleneck, the historical record of range expansion in a northward direction is reinforced by the molecular data. In order to consider the plausibility of coastal advective transport versus ballast water or aquaculture transport, the new genetic information is evaluated together with the records of northward range expansion for this and other species introduced into San Francisco Bay, including the European green crab, which has had a similar population trajectory. The genetic and temporal patterns that should be expected under these contrasting mechanisms are discussed for typical NE Pacific oceanic conditions, and during years influenced by the El Niño-Southern oscillation.
Starting Page	565
Ending Page	576
Page Count	12
File Format	PDF
ISSN	13873547
Journal	Biological Invasions
Volume Number	8
Issue Number	4
e-ISSN	15731464
Language	English
Publisher	Springer Netherlands
Publisher Date	2006-01-16
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	advection ballast bottleneck Carcinus maenas estuary genetic Hemigrapsus oregonensis invasion range expansion Rhithropanopeus harrisii San Francisco Bay Plant Sciences Freshwater & Marine Ecology Ecology
Content Type	Text
Resource Type	Article
Subject	Ecology Ecology, Evolution, Behavior and Systematics

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Interspecific interactions between the introduced Atlantic crab Rhithropanopeus harrisii and the native estuarine crab Hemigrapsus oregonensis in Coos Bay, Oregon

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Original paper localized invasion of the north american harris mud crab, rhithropanopeus harrisii, in the panama canal: implications (2008).

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