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The ecology of the bar bellied sea s...

Kerford, Megan.

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The ecology of the bar bellied sea snake (Hydrophis elegans) in Shark Bay, Western Australia.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	The ecology of the bar bellied sea snake (Hydrophis elegans) in Shark Bay, Western Australia./
作者:	Kerford, Megan.
面頁冊數:	85 p.
附註:	Source: Masters Abstracts International, Volume: 44-05, page: 2207.
Contained By:	Masters Abstracts International44-05.
標題:	Biology, Ecology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR13324
ISBN:	9780494133248

The ecology of the bar bellied sea snake (Hydrophis elegans) in Shark Bay, Western Australia.
Kerford, Megan.

The ecology of the bar bellied sea snake (Hydrophis elegans) in Shark Bay, Western Australia. - 85 p.

Source: Masters Abstracts International, Volume: 44-05, page: 2207.

Thesis (M.Sc.)--Simon Fraser University (Canada), 2005.

This thesis examines factors underlying habitat use of the sea snake Hydrophis elegans and nearshore fish in Shark Bay, Western Australia. Differences in morphology, life history and diet between H. elegans and a sympatric sea snake, Disteria major, may facilitate co-existence by reducing competition through inter-specific resource partitioning. Morphological differences between sexes of H. elegans may reduce intraspecific competition. Tidal state may cause changes in predation risk and prey availability. Field observations showed that at low tide H. elegans foraged over shallow sand flats, which are inaccessible to the predatory tiger shark (Galeocerdo cuvier ). At high tide, snakes and their potential prey (small fish) moved to deeper seagrass habitats, suggesting that these habitats grant snakes increased safety from predation, as well as access to potential prey. This is more likely true for D. major, because H. elegans appears to specialize on snake-eels (Family Ophichthidae), which occur mainly in sand habitats.

ISBN: 9780494133248Subjects--Topical Terms:

1017726
Biology, Ecology.

The ecology of the bar bellied sea snake (Hydrophis elegans) in Shark Bay, Western Australia.
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