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Female mating behavior in the context of sexual coercion and female ranging behavior of bottlenose dolphins (Tursiops sp.) in Shark Bay, western Australia.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Female mating behavior in the context of sexual coercion and female ranging behavior of bottlenose dolphins (Tursiops sp.) in Shark Bay, western Australia./
作者:	Watson, Jana Joy.
面頁冊數:	1 online resource (195 pages)
附註:	Source: Dissertations Abstracts International, Volume: 67-04, Section: B.
Contained By:	Dissertations Abstracts International67-04B.
標題:	Zoology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3175842click for full text (PQDT)
ISBN:	9780542147258

Female mating behavior in the context of sexual coercion and female ranging behavior of bottlenose dolphins (Tursiops sp.) in Shark Bay, western Australia.
Watson, Jana Joy.

Female mating behavior in the context of sexual coercion and female ranging behavior of bottlenose dolphins (Tursiops sp.) in Shark Bay, western Australia. - 1 online resource (195 pages)

Source: Dissertations Abstracts International, Volume: 67-04, Section: B.

Thesis (Ph.D.)--Georgetown University, 2005.

Includes bibliographical references

In Shark Bay, alliances of two to three male bottlenose dolphins (Tursiops sp.) guard single females in consortships, sometimes involving aggression toward the female. Despite 20 years of research on adult male mating strategies, the female's perspective has been largely ignored. I added further evidence that some consortships fit the definition of sexual coercion and that females incur a cost from being consorted. In addition, I investigated how ecological factors influence dolphin ranging, considered important in female social evolution. Anthropogenic effects on female dolphin movement were also investigated. Behavioral data on adult females were collected during follows of individuals from small boats during the breeding season (2001-2003). A summary of the results from each chapter are presented below: (1) A review of recent changes in sexual selection theory placed sexual coercion, an extreme response to sexual conflict, alongside traditional female choice as a type of mating bias. (2) Females experienced more aggression from males when they were in a consortship than when they were with adult males otherwise. During consortships females socialized predominantly with consorting males, even though other adult males were present. (3) Females experienced increased risk of injury and altered depth use when in consortships. Additionally, foraging time decreased when females were in consortships where they received aggression. (4) Female home ranges were not related to the ecological variables studied in our small sample: female reproductive state, population density, water temperature, water depth, or body length. However, core ranges were larger over seagrass beds and provisioned animals had smaller home ranges than those that were not hand-fed by humans. (5) Female dolphins used a pearl oyster farm area less than surrounding waters and were less likely to enter a pearl farm than they were to swim around it. This study explains how adult female bottlenose dolphin behavior is affected by a coercive male mating strategy. Further research involving other factors is needed to explain how home range size is determined. The results also offer several points useful for broader comparison regarding sexual coercion, sexual conflict, and individual animal movement.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9780542147258Subjects--Topical Terms:

518878
Zoology.
Subjects--Index Terms:

AustraliaIndex Terms--Genre/Form:

542853
Electronic books.

Female mating behavior in the context of sexual coercion and female ranging behavior of bottlenose dolphins (Tursiops sp.) in Shark Bay, western Australia.
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