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Article: Spinner dolphins in a remote Hawaiian atoll: Social grouping and population structure
Title | Spinner dolphins in a remote Hawaiian atoll: Social grouping and population structure |
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Authors | |
Keywords | Geographic Insularity/Connectivity Group Dynamics Hawaii Midway Atoll Social Evolution Social Structure Spinner Dolphin Stenella Longirostris |
Issue Date | 2005 |
Publisher | Oxford University Press. The Journal's web site is located at http://beheco.oxfordjournals.org/ |
Citation | Behavioral Ecology, 2005, v. 16 n. 4, p. 675-685 How to Cite? |
Abstract | Spinner dolphins (Stenella longirostris) commonly use inshore island and atoll habitats for daytime rest and social interactions and forage over deep waters at night. In Hawaii, they occur throughout the archipelago. We applied photoidentification mark-recapture techniques to study the population structure of spinner dolphins associated with remote Midway Atoll, far-western Hawaii. At Midway, spinner dolphins live in stable bisexually bonded societies of long-term associates, with strong geographic fidelity, no obvious fission-fusion, and limited contacts with other populations. Their large cohesive groups change little over time and are behaviorally/socially discrete from other spinner dolphin groups. This social pattern differs considerably from the fluid fission-fusion model proposed previously for spinner dolphins associated with a large island habitat in the main Hawaiian Archipelago. These differences correspond to geographic separation and habitat variation. While in the main islands there are several daytime resting places available at each island habitat; in far-western Hawaii, areas of suitable habitat are limited and separated by large stretches of open pelagic waters with potentially high risk of shark predation. We hypothesize that with deepwater food resources in close proximity and other atolls relatively far away for easy (day-to-day) access, it is energetically more beneficial in the remote Hawaiian atolls to remain "at home" than to travel to other atolls, so there is stability instead of variability; there is no fission-fusion effect. Thus, the geographic isolation and small size of remote atolls trigger a process in which the fluidity of the fission-fusion spinner dolphin society is replaced with long-term group fidelity and social stability. © The Author 2005. Published by Oxford University Press on behalf of the International Society for Behavioral Ecology. All rights reserved. |
Persistent Identifier | http://hdl.handle.net/10722/178905 |
ISSN | 2023 Impact Factor: 2.5 2023 SCImago Journal Rankings: 1.040 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Karczmarski, L | en_US |
dc.contributor.author | Würsig, B | en_US |
dc.contributor.author | Gailey, G | en_US |
dc.contributor.author | Larson, KW | en_US |
dc.contributor.author | Vanderlip, C | en_US |
dc.date.accessioned | 2012-12-19T09:50:37Z | - |
dc.date.available | 2012-12-19T09:50:37Z | - |
dc.date.issued | 2005 | en_US |
dc.identifier.citation | Behavioral Ecology, 2005, v. 16 n. 4, p. 675-685 | en_US |
dc.identifier.issn | 1045-2249 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/178905 | - |
dc.description.abstract | Spinner dolphins (Stenella longirostris) commonly use inshore island and atoll habitats for daytime rest and social interactions and forage over deep waters at night. In Hawaii, they occur throughout the archipelago. We applied photoidentification mark-recapture techniques to study the population structure of spinner dolphins associated with remote Midway Atoll, far-western Hawaii. At Midway, spinner dolphins live in stable bisexually bonded societies of long-term associates, with strong geographic fidelity, no obvious fission-fusion, and limited contacts with other populations. Their large cohesive groups change little over time and are behaviorally/socially discrete from other spinner dolphin groups. This social pattern differs considerably from the fluid fission-fusion model proposed previously for spinner dolphins associated with a large island habitat in the main Hawaiian Archipelago. These differences correspond to geographic separation and habitat variation. While in the main islands there are several daytime resting places available at each island habitat; in far-western Hawaii, areas of suitable habitat are limited and separated by large stretches of open pelagic waters with potentially high risk of shark predation. We hypothesize that with deepwater food resources in close proximity and other atolls relatively far away for easy (day-to-day) access, it is energetically more beneficial in the remote Hawaiian atolls to remain "at home" than to travel to other atolls, so there is stability instead of variability; there is no fission-fusion effect. Thus, the geographic isolation and small size of remote atolls trigger a process in which the fluidity of the fission-fusion spinner dolphin society is replaced with long-term group fidelity and social stability. © The Author 2005. Published by Oxford University Press on behalf of the International Society for Behavioral Ecology. All rights reserved. | en_US |
dc.language | eng | en_US |
dc.publisher | Oxford University Press. The Journal's web site is located at http://beheco.oxfordjournals.org/ | en_US |
dc.relation.ispartof | Behavioral Ecology | en_US |
dc.subject | Geographic Insularity/Connectivity | en_US |
dc.subject | Group Dynamics | en_US |
dc.subject | Hawaii | en_US |
dc.subject | Midway Atoll | en_US |
dc.subject | Social Evolution | en_US |
dc.subject | Social Structure | en_US |
dc.subject | Spinner Dolphin Stenella Longirostris | en_US |
dc.title | Spinner dolphins in a remote Hawaiian atoll: Social grouping and population structure | 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 | 10.1093/beheco/ari028 | en_US |
dc.identifier.scopus | eid_2-s2.0-25444503223 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-25444503223&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 16 | en_US |
dc.identifier.issue | 4 | en_US |
dc.identifier.spage | 675 | en_US |
dc.identifier.epage | 685 | en_US |
dc.identifier.eissn | 1465-7279 | - |
dc.identifier.isi | WOS:000229856900001 | - |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Karczmarski, L=6603422145 | en_US |
dc.identifier.scopusauthorid | Würsig, B=7003268529 | en_US |
dc.identifier.scopusauthorid | Gailey, G=8918247200 | en_US |
dc.identifier.scopusauthorid | Larson, KW=12762633100 | en_US |
dc.identifier.scopusauthorid | Vanderlip, C=8918247400 | en_US |
dc.identifier.citeulike | 229260 | - |
dc.identifier.issnl | 1045-2249 | - |