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Article: Behavioural responses of the mangrove fiddler crabs (Uca annulipes and U. inversa) to urban sewage loadings: Results of a mesocosm approach

TitleBehavioural responses of the mangrove fiddler crabs (Uca annulipes and U. inversa) to urban sewage loadings: Results of a mesocosm approach
Authors
KeywordsEcosystem engineer
Mangrove
Sewage
Behaviour
East Africa
Fiddler crab
Issue Date2009
Citation
Marine Pollution Bulletin, 2009, v. 58, n. 12, p. 1860-1867 How to Cite?
AbstractThe study aimed at investigating the effects of sewage loadings on the behaviour of two fiddler crabs species maintained in a system of experimental mesocosms, built in a mangrove area in Tanzania and inundated with different seawater/sewage mixtures. Our results show that sewage loads led to a modification of the overall activity budget of the crab community as a result of increased hypertrophic conditions (high COD, increased chlorophyll-a concentrations). During their activity period, crabs inside contaminated mesocosms seemed to satisfy their feeding demand faster than those of the control cells, spending a significant longer time in other activities like courtship and territorial defence. Apart from being a good biological indication of ecosystem eutrophication, such a reduced foraging activity by fiddler crabs also depresses their sediment bioturbation activity, important factor for the health of mangrove systems, suggesting practical implications regarding the efficiency of mangrove-based wetlands for treatment of domestic sewage. © 2009.
Persistent Identifierhttp://hdl.handle.net/10722/219615
ISSN
2015 Impact Factor: 3.099
2015 SCImago Journal Rankings: 1.264

 

DC FieldValueLanguage
dc.contributor.authorBartolini, Fabrizio-
dc.contributor.authorPenha-Lopes, Gil-
dc.contributor.authorLimbu, Samwel-
dc.contributor.authorPaula, José-
dc.contributor.authorCannicci, Stefano-
dc.date.accessioned2015-09-23T02:57:32Z-
dc.date.available2015-09-23T02:57:32Z-
dc.date.issued2009-
dc.identifier.citationMarine Pollution Bulletin, 2009, v. 58, n. 12, p. 1860-1867-
dc.identifier.issn0025-326X-
dc.identifier.urihttp://hdl.handle.net/10722/219615-
dc.description.abstractThe study aimed at investigating the effects of sewage loadings on the behaviour of two fiddler crabs species maintained in a system of experimental mesocosms, built in a mangrove area in Tanzania and inundated with different seawater/sewage mixtures. Our results show that sewage loads led to a modification of the overall activity budget of the crab community as a result of increased hypertrophic conditions (high COD, increased chlorophyll-a concentrations). During their activity period, crabs inside contaminated mesocosms seemed to satisfy their feeding demand faster than those of the control cells, spending a significant longer time in other activities like courtship and territorial defence. Apart from being a good biological indication of ecosystem eutrophication, such a reduced foraging activity by fiddler crabs also depresses their sediment bioturbation activity, important factor for the health of mangrove systems, suggesting practical implications regarding the efficiency of mangrove-based wetlands for treatment of domestic sewage. © 2009.-
dc.languageeng-
dc.relation.ispartofMarine Pollution Bulletin-
dc.subjectEcosystem engineer-
dc.subjectMangrove-
dc.subjectSewage-
dc.subjectBehaviour-
dc.subjectEast Africa-
dc.subjectFiddler crab-
dc.titleBehavioural responses of the mangrove fiddler crabs (Uca annulipes and U. inversa) to urban sewage loadings: Results of a mesocosm approach-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.marpolbul.2009.07.019-
dc.identifier.pmid19683314-
dc.identifier.scopuseid_2-s2.0-71549155595-
dc.identifier.volume58-
dc.identifier.issue12-
dc.identifier.spage1860-
dc.identifier.epage1867-

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