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Chemically mediated predator assessm...

Sullivan, Aaron Michael.

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Chemically mediated predator assessment by a terrestrial salamander.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Chemically mediated predator assessment by a terrestrial salamander./
作者:	Sullivan, Aaron Michael.
面頁冊數:	185 p.
附註:	Source: Dissertation Abstracts International, Volume: 65-03, Section: B, page: 1127.
Contained By:	Dissertation Abstracts International65-03B.
標題:	Biology, Ecology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3126341
ISBN:	0496736272

Chemically mediated predator assessment by a terrestrial salamander.
Sullivan, Aaron Michael.

Chemically mediated predator assessment by a terrestrial salamander. - 185 p.

Source: Dissertation Abstracts International, Volume: 65-03, Section: B, page: 1127.

Thesis (Ph.D.)--State University of New York at Binghamton, 2004.

Many species use chemical cues in their environment to detect predators. In this dissertation, I examined how red-backed salamanders, Plethodon cinereus, utilize chemical cues from predators or predation events to assess predation risk. In Chapter 1, I examined the character and duration of the anti-predator response of red-backed salamanders exposed to cues from garter snakes in laboratory and field trials. The data show that red-backed salamanders respond to predator cues in a natural environment, and that shelter size and social grouping among salamanders influence anti predator behaviors. In Chapter 2, I examined the response of red-backed salamanders to chemical cues from non-injured and injured members of their prey guild. The results suggest that a combination of phylogenetic relatedness and prey guild membership influenced the evolution of heterospecific alarm cue avoidance. Chapter 3 reports on the responses of three different salamander species (red-backed, two-lined, and Allegheny Mountain dusky salamanders) to chemical cues from a shared snake predator. The results show that prey species may employ a variety of antipredator behaviors and suggest that predator diet-cue discrimination may be linked to the degree of microhabitat overlap among the different prey species. Next, in Chapter 4, I examined how predator diet influences red-backed salamander responses to chemical traces from at two different periods of their active cycle in laboratory and field trials. The results suggest that red-backed salamanders can discriminate among chemical cues associated with the recent diet of a predator in laboratory and field trials, and that the response to cues is contingent on the time of day. In Chapter 5, I examined the influence of genetic relatedness and ecological relatedness on the evolution of predator diet discrimination by P. cinereus. My results suggest that both genetic and ecological relatedness play a role in the evolution of predator-diet discrimination in red-backed salamanders. Lastly, Chapter 6 focuses on how P. cinereus can recognize novel chemical cues associated with the recent diet of a predator. My data suggest that salamanders learn to recognize cues associated with predator diets after a short period of captive syntopy.

ISBN: 0496736272Subjects--Topical Terms:

1017726
Biology, Ecology.

Chemically mediated predator assessment by a terrestrial salamander.
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