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Assessment of a nearshore and an off...

Kowalik, Gretchen A.

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Assessment of a nearshore and an offshore queen conch (Strombus gigas) habitat in the Florida Keys using field and laboratory techniques.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Assessment of a nearshore and an offshore queen conch (Strombus gigas) habitat in the Florida Keys using field and laboratory techniques./
Author:	Kowalik, Gretchen A.
Description:	34 p.
Notes:	Adviser: Megan Davis.
Contained By:	Masters Abstracts International45-04.
Subject:	Agriculture, Fisheries and Aquaculture. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1441572

Assessment of a nearshore and an offshore queen conch (Strombus gigas) habitat in the Florida Keys using field and laboratory techniques.
Kowalik, Gretchen A.

Assessment of a nearshore and an offshore queen conch (Strombus gigas) habitat in the Florida Keys using field and laboratory techniques. - 34 p.

Adviser: Megan Davis.

Thesis (M.S.)--Florida Atlantic University, 2007.

Queen conch in the Florida Keys are slowly recovering from overfishing. This study assessed habitat characteristics, metamorphosis and postlarval growth of queen conch in a nearshore and an offshore habitat. The nearshore habitat was dominated by macroalgae while the offshore habitat was dominated by areas of open coarse sediment and seagrass. There was a significant difference among the top six diatom families at each habitat (p < 0.001). The diatom family Naviculaceae was dominant at both sites. No difference in microbial populations was observed (p>0.05). Larvae metamorphosed when exposed to sediment from nearshore and offshore locations (10-40%). Larvae exposed to offshore sediment at 27°C exhibited the highest metamorphic response (&sim;40%). There was no significant difference in growth rate of postlarvae fed the food present in the sediment from nearshore and offshore locations. This study may help explain aggregation differences between a nearshore and an offshore queen conch habitat.Subjects--Topical Terms:

1020913
Agriculture, Fisheries and Aquaculture.

Assessment of a nearshore and an offshore queen conch (Strombus gigas) habitat in the Florida Keys using field and laboratory techniques.
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005 20110525
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035 $a (UMI)AAI1441572
035 $a AAI1441572
040 $a UMI $c UMI
100 1 $a Kowalik, Gretchen A. $3 1272591
245 1 0 $a Assessment of a nearshore and an offshore queen conch (Strombus gigas) habitat in the Florida Keys using field and laboratory techniques.
300 $a 34 p.
500 $a Adviser: Megan Davis.
500 $a Source: Masters Abstracts International, Volume: 45-04, page: 1857.
502 $a Thesis (M.S.)--Florida Atlantic University, 2007.
520 $a Queen conch in the Florida Keys are slowly recovering from overfishing. This study assessed habitat characteristics, metamorphosis and postlarval growth of queen conch in a nearshore and an offshore habitat. The nearshore habitat was dominated by macroalgae while the offshore habitat was dominated by areas of open coarse sediment and seagrass. There was a significant difference among the top six diatom families at each habitat (p < 0.001). The diatom family Naviculaceae was dominant at both sites. No difference in microbial populations was observed (p>0.05). Larvae metamorphosed when exposed to sediment from nearshore and offshore locations (10-40%). Larvae exposed to offshore sediment at 27°C exhibited the highest metamorphic response (&sim;40%). There was no significant difference in growth rate of postlarvae fed the food present in the sediment from nearshore and offshore locations. This study may help explain aggregation differences between a nearshore and an offshore queen conch habitat.
590 $a School code: 0119.
650 4 $a Agriculture, Fisheries and Aquaculture. $3 1020913
650 4 $a Biology, Ecology. $3 1017726
690 $a 0329
690 $a 0792
710 2 $a Florida Atlantic University. $3 1017837
773 0 $t Masters Abstracts International $g 45-04.
790 $a 0119
790 1 0 $a Davis, Megan, $e advisor
791 $a M.S.
792 $a 2007
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1441572