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Article: Daylight occurrence of humpback dolphins Sousa chinensis in Algoa Bay, South Africa

TitleDaylight occurrence of humpback dolphins Sousa chinensis in Algoa Bay, South Africa
Authors
KeywordsAlgoa
Dolphin
Sousa Chinensis
South Africa
Issue Date2000
PublisherBlackwell Publishing Ltd. The Journal's web site is located at http://www.blackwellpublishing.com/journals/AJE
Citation
African Journal Of Ecology, 2000, v. 38 n. 1, p. 86-90 How to Cite?
AbstractThis paper describes the pattern of daylight occurrence of humpback dolphins Sousa chinensis in Algoa Bay, the Eastern Cape, South Africa, between May 1991 and May 1994. Two indices, the Sighting Index (SI) and the Total Recorded Dolphin Presence (TRDP), were used to quantify the dolphins' daylight occurrence. Humpback dolphins display a clear pattern of daylight occurrence in Algoa Bay and can be seen mostly in the morning, and, to a lesser extent, in the evening. This pattern varies little between seasons (with possible exception for the evening hours), follows the time of the solar day, is not related to the tidal cycle and is probably governed by the diurnal cycles of dolphins' prey.
Persistent Identifierhttp://hdl.handle.net/10722/178705
ISSN
2015 Impact Factor: 0.875
2015 SCImago Journal Rankings: 0.477
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorKarczmarski, Len_US
dc.contributor.authorThornton, Men_US
dc.contributor.authorCockcroft, VGen_US
dc.date.accessioned2012-12-19T09:49:15Z-
dc.date.available2012-12-19T09:49:15Z-
dc.date.issued2000en_US
dc.identifier.citationAfrican Journal Of Ecology, 2000, v. 38 n. 1, p. 86-90en_US
dc.identifier.issn0141-6707en_US
dc.identifier.urihttp://hdl.handle.net/10722/178705-
dc.description.abstractThis paper describes the pattern of daylight occurrence of humpback dolphins Sousa chinensis in Algoa Bay, the Eastern Cape, South Africa, between May 1991 and May 1994. Two indices, the Sighting Index (SI) and the Total Recorded Dolphin Presence (TRDP), were used to quantify the dolphins' daylight occurrence. Humpback dolphins display a clear pattern of daylight occurrence in Algoa Bay and can be seen mostly in the morning, and, to a lesser extent, in the evening. This pattern varies little between seasons (with possible exception for the evening hours), follows the time of the solar day, is not related to the tidal cycle and is probably governed by the diurnal cycles of dolphins' prey.en_US
dc.languageengen_US
dc.publisherBlackwell Publishing Ltd. The Journal's web site is located at http://www.blackwellpublishing.com/journals/AJEen_US
dc.relation.ispartofAfrican Journal of Ecologyen_US
dc.subjectAlgoaen_US
dc.subjectDolphinen_US
dc.subjectSousa Chinensisen_US
dc.subjectSouth Africaen_US
dc.titleDaylight occurrence of humpback dolphins Sousa chinensis in Algoa Bay, South Africaen_US
dc.typeArticleen_US
dc.identifier.emailKarczmarski, L: leszek@hku.hken_US
dc.identifier.authorityKarczmarski, L=rp00713en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1046/j.1365-2028.2000.00215.xen_US
dc.identifier.scopuseid_2-s2.0-0034021108en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034021108&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume38en_US
dc.identifier.issue1en_US
dc.identifier.spage86en_US
dc.identifier.epage90en_US
dc.identifier.isiWOS:000086239000012-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridKarczmarski, L=6603422145en_US
dc.identifier.scopusauthoridThornton, M=15047292700en_US
dc.identifier.scopusauthoridCockcroft, VG=6701399767en_US

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