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Recruitment processes of Caribbean c...

Sponaugle, Susan Carroll.

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Recruitment processes of Caribbean coral reef fishes.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Recruitment processes of Caribbean coral reef fishes./
作者:	Sponaugle, Susan Carroll.
面頁冊數:	268 p.
附註:	Source: Dissertation Abstracts International, Volume: 56-03, Section: B, page: 1211.
Contained By:	Dissertation Abstracts International56-03B.
標題:	Biology, Ecology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9521605

Recruitment processes of Caribbean coral reef fishes.
Sponaugle, Susan Carroll.

Recruitment processes of Caribbean coral reef fishes. - 268 p.

Source: Dissertation Abstracts International, Volume: 56-03, Section: B, page: 1211.

Thesis (Ph.D.)--State University of New York at Stony Brook, 1994.

Although recruitment of juveniles can be important to the structure of marine populations, relatively little is known about the processes controlling recruitment. This study examined temporal and spatial patterns of larval supply and juvenile recruitment for coral reef fishes recruiting to Barbados, West Indies. A bi-weekly census of all juveniles during three spring recruitment seasons (March-June 1990-1992), coupled with otolith aging techniques was used to backcalculate recruitment patterns and examine relationships between recruitment and early life history traits. Deployment of larval light traps enabled a direct comparison of temporal and spatial patterns of larval supply with patterns of recruitment. Nearshore currents, measured during 1992 by an array of moored current meters, were correlated to patterns of larval supply and juvenile recruitment to examine the role of various currents on the timing of recruitment.Subjects--Topical Terms:

1017726
Biology, Ecology.

Recruitment processes of Caribbean coral reef fishes.
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100 1 $a Sponaugle, Susan Carroll. $3 1948086
245 1 0 $a Recruitment processes of Caribbean coral reef fishes.
300 $a 268 p.
500 $a Source: Dissertation Abstracts International, Volume: 56-03, Section: B, page: 1211.
502 $a Thesis (Ph.D.)--State University of New York at Stony Brook, 1994.
520 $a Although recruitment of juveniles can be important to the structure of marine populations, relatively little is known about the processes controlling recruitment. This study examined temporal and spatial patterns of larval supply and juvenile recruitment for coral reef fishes recruiting to Barbados, West Indies. A bi-weekly census of all juveniles during three spring recruitment seasons (March-June 1990-1992), coupled with otolith aging techniques was used to backcalculate recruitment patterns and examine relationships between recruitment and early life history traits. Deployment of larval light traps enabled a direct comparison of temporal and spatial patterns of larval supply with patterns of recruitment. Nearshore currents, measured during 1992 by an array of moored current meters, were correlated to patterns of larval supply and juvenile recruitment to examine the role of various currents on the timing of recruitment.
520 $a Several characteristics of the recruitment process were revealed: (1) The recruitment of a diverse number of coral reef fishes to Barbados occurs quite predictably inter- and intra-annually, with many species recruiting during the third quarter moon and minimum amplitude tides. (2) The degree of synchronization to these cues may be related to aspects of larval biology, such as the length and variability in larval duration. Several confamilial species exhibit contrasting patterns of recruitment, which may be related to the capacity to delay metamorphosis. (3) The spatial scale of reef fish recruitment to Barbados is at least island-wide; however, larval and juvenile abundances were generally lowest at a central west coast site. Lower larval supply to this site may be due to offshore transport by tidal currents. (4) Spatial patterns of recruitment often reflect larval supply, although for highly mobile species, patterns of larval supply may be modified by juvenile habitat selection. (5) Episodic large-scale, low frequency currents can influence larval supply, thereby adding an element of stochasticity.
520 $a Thus, the recruitment of Caribbean coral reef fishes may be more predictable than previously thought. Although some stochasticity is present, in general, the interaction of larval biology with environmental processes creates regular pulses of new recruits, establishing a distinct framework upon which additional processes may operate to modify the structure of reef fish populations.
590 $a School code: 0771.
650 4 $a Biology, Ecology. $3 1017726
650 4 $a Biology, Oceanography. $3 783691
650 4 $a Agriculture, Fisheries and Aquaculture. $3 1020913
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710 2 0 $a State University of New York at Stony Brook. $3 1019194
773 0 $t Dissertation Abstracts International $g 56-03B.
790 $a 0771
791 $a Ph.D.
792 $a 1994
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9521605