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- Publisher Website: 10.1046/j.1365-2028.2000.00215.x
- Scopus: eid_2-s2.0-0034021108
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Article: Daylight occurrence of humpback dolphins Sousa chinensis in Algoa Bay, South Africa
Title | Daylight occurrence of humpback dolphins Sousa chinensis in Algoa Bay, South Africa |
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Authors | |
Keywords | Algoa Dolphin Sousa Chinensis South Africa |
Issue Date | 2000 |
Publisher | Blackwell 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? |
Abstract | This 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 Identifier | http://hdl.handle.net/10722/178705 |
ISSN | 2021 Impact Factor: 0.923 2020 SCImago Journal Rankings: 0.499 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Karczmarski, L | en_US |
dc.contributor.author | Thornton, M | en_US |
dc.contributor.author | Cockcroft, VG | en_US |
dc.date.accessioned | 2012-12-19T09:49:15Z | - |
dc.date.available | 2012-12-19T09:49:15Z | - |
dc.date.issued | 2000 | en_US |
dc.identifier.citation | African Journal Of Ecology, 2000, v. 38 n. 1, p. 86-90 | en_US |
dc.identifier.issn | 0141-6707 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/178705 | - |
dc.description.abstract | This 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.language | eng | en_US |
dc.publisher | Blackwell Publishing Ltd. The Journal's web site is located at http://www.blackwellpublishing.com/journals/AJE | en_US |
dc.relation.ispartof | African Journal of Ecology | en_US |
dc.subject | Algoa | en_US |
dc.subject | Dolphin | en_US |
dc.subject | Sousa Chinensis | en_US |
dc.subject | South Africa | en_US |
dc.title | Daylight occurrence of humpback dolphins Sousa chinensis in Algoa Bay, South Africa | en_US |
dc.type | Article | en_US |
dc.identifier.email | Karczmarski, L: leszek@hku.hk | en_US |
dc.identifier.authority | Karczmarski, L=rp00713 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1046/j.1365-2028.2000.00215.x | en_US |
dc.identifier.scopus | eid_2-s2.0-0034021108 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0034021108&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 38 | en_US |
dc.identifier.issue | 1 | en_US |
dc.identifier.spage | 86 | en_US |
dc.identifier.epage | 90 | en_US |
dc.identifier.isi | WOS:000086239000012 | - |
dc.publisher.place | United Kingdom | en_US |
dc.identifier.scopusauthorid | Karczmarski, L=6603422145 | en_US |
dc.identifier.scopusauthorid | Thornton, M=15047292700 | en_US |
dc.identifier.scopusauthorid | Cockcroft, VG=6701399767 | en_US |
dc.identifier.issnl | 0141-6707 | - |