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BEHAVIOR AND COMMUNICATION OF SEA TU...

COMUZZIE, DIANA KAY CROWELL.

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BEHAVIOR AND COMMUNICATION OF SEA TURTLES (CHEMICAL).

Record Type:	Language materials, printed : Monograph/item
Title/Author:	BEHAVIOR AND COMMUNICATION OF SEA TURTLES (CHEMICAL)./
Author:	COMUZZIE, DIANA KAY CROWELL.
Description:	114 p.
Notes:	Source: Dissertation Abstracts International, Volume: 48-06, Section: B, page: 1616.
Contained By:	Dissertation Abstracts International48-06B.
Subject:	Biology, Zoology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=8720878

BEHAVIOR AND COMMUNICATION OF SEA TURTLES (CHEMICAL).
COMUZZIE, DIANA KAY CROWELL.

BEHAVIOR AND COMMUNICATION OF SEA TURTLES (CHEMICAL). - 114 p.

Source: Dissertation Abstracts International, Volume: 48-06, Section: B, page: 1616.

Thesis (Ph.D.)--Texas A&M University, 1987.

Although there is a fairly large body of literature on sea turtles, there is a relative paucity of information on sea turtle behavior. There is no information on general sea turtle communication, although there are some indications in the literature of the potential for chemical communication. This research catalogs many behaviors found in green sea turtles (Chelonia mydas), with special emphasis on reproductive behavior and communication (see Appendix A). Turtles were observed at the Cayman Turtle Farm, in the British West Indies, during three mating seasons in 1984-1986. For validation and comparative purposes, wild turtles were also observed on the Great Barrier Reef in Australia. The turtle farm contains a naturalistic breeding pool holding about 250 adult sea turtles. Behaviors specific to reproduction include checks by males and females, nuzzles, bites by males, circling and biting, chases, attempted mounts and escorts. Non-courtship behaviors include gapes, bites by females, cloacal checks by males and females and following. Males may use checks, nuzzles or cloacal checks to determine female receptivity. Females may perform some of these same behaviors to other females, possibly to bring about synchronization of nesting and nest hatching. Females may also escort mounted pairs to increase the likelihood of male availability later in the mating season. Males may determine female receptivity by detecting chemical signals released from the female's cloaca, Rathke's glands or elsewhere. Experiments designed to test the chemical communication hypothesis were, however, inconclusive. In the experiments, males discriminated between active and inactive females when visual and chemical cues were present. When chemical stimuli alone were present, males distinguished conspecific chemicals from controls, but not food chemicals from controls. However, males did not apparently distinguish between chemical stimuli from active female conspecifics and chemical stimuli from inactive female conspecifics.Subjects--Topical Terms:

1018632
Biology, Zoology.

BEHAVIOR AND COMMUNICATION OF SEA TURTLES (CHEMICAL).
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035 $a (UMI)AAI8720878
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040 $a UMI $c UMI
100 1 $a COMUZZIE, DIANA KAY CROWELL. $3 1277267
245 1 0 $a BEHAVIOR AND COMMUNICATION OF SEA TURTLES (CHEMICAL).
300 $a 114 p.
500 $a Source: Dissertation Abstracts International, Volume: 48-06, Section: B, page: 1616.
502 $a Thesis (Ph.D.)--Texas A&M University, 1987.
520 $a Although there is a fairly large body of literature on sea turtles, there is a relative paucity of information on sea turtle behavior. There is no information on general sea turtle communication, although there are some indications in the literature of the potential for chemical communication. This research catalogs many behaviors found in green sea turtles (Chelonia mydas), with special emphasis on reproductive behavior and communication (see Appendix A). Turtles were observed at the Cayman Turtle Farm, in the British West Indies, during three mating seasons in 1984-1986. For validation and comparative purposes, wild turtles were also observed on the Great Barrier Reef in Australia. The turtle farm contains a naturalistic breeding pool holding about 250 adult sea turtles. Behaviors specific to reproduction include checks by males and females, nuzzles, bites by males, circling and biting, chases, attempted mounts and escorts. Non-courtship behaviors include gapes, bites by females, cloacal checks by males and females and following. Males may use checks, nuzzles or cloacal checks to determine female receptivity. Females may perform some of these same behaviors to other females, possibly to bring about synchronization of nesting and nest hatching. Females may also escort mounted pairs to increase the likelihood of male availability later in the mating season. Males may determine female receptivity by detecting chemical signals released from the female's cloaca, Rathke's glands or elsewhere. Experiments designed to test the chemical communication hypothesis were, however, inconclusive. In the experiments, males discriminated between active and inactive females when visual and chemical cues were present. When chemical stimuli alone were present, males distinguished conspecific chemicals from controls, but not food chemicals from controls. However, males did not apparently distinguish between chemical stimuli from active female conspecifics and chemical stimuli from inactive female conspecifics.
590 $a School code: 0803.
650 4 $a Biology, Zoology. $3 1018632
690 $a 0472
710 2 $a Texas A&M University. $3 718977
773 0 $t Dissertation Abstracts International $g 48-06B.
790 $a 0803
791 $a Ph.D.
792 $a 1987
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=8720878