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Title: Interspecific interactions between the grapsid crabs Percnon gibbesi and Pachygrapsus marmoratus : implications of an invader
Authors: Sciberras, Marija
Schembri, Patrick J.
Keywords: Coastal ecology -- Malta
Introduced aquatic organisms -- Malta
Competition (Biology)
Crabs -- Malta
Decapoda (Crustacea)
Pachygrapsus marmoratus -- Malta
Issue Date: 2007
Publisher: Commission Internationale Pour L'Exploration Scientifique De La Mer Mediterranee
Citation: Sciberras, M., & Schembri, P. J. (2007). Interspecific interactions between the grapsid crabs Percnon gibbesi and Pachygrapsus marmoratus: implications of an invader. Rapport du Congrès de la Commission Internationale pour l'Exploration Scientifique de la Mer Méditerranée 38, 595.
Abstract: One-on-one interspecific encounters between the recently introduced alien Percnon gibbesi and the native Pachygrapsus marmoratus, with which P. gibbesi occurs syntopically, were staged in the laboratory to assess the behaviour of these species relative to each other. Unless the encounter involved large P. gibbesi with small P. marmoratus, the native species was the ’winner’. These results suggest that the native species has competitive superiority over the invader and is unlikely to suffer from spatial resource partitioning or, worse, competitive exclusion from its natural habitat as a result of the invasion by P. gibbesi.
Appears in Collections:Scholarly Works - FacSciBio

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