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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.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Assessment of a nearshore and an offshore queen conch (Strombus gigas) habitat in the Florida Keys using field and laboratory techniques./
作者:	Kowalik, Gretchen A.
面頁冊數:	34 p.
附註:	Adviser: Megan Davis.
Contained By:	Masters Abstracts International45-04.
標題:	Agriculture, Fisheries and Aquaculture. -
電子資源:	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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