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LEADER 03631ctm 2200529 i 4500

001 ocm15543128;

003 OCoLC;

005 20240430153503.0;

008 870417s1971 xx ab bm 000 0 eng d;

035 a| (Sirsi) o15543128;

035 a| (OCoLC)15543128;

043 a| n-us-nc;

049 a| EREE;

050 4 a| QL430.7.M3b| C78x 1971;

100 1 a| Crump, Roger Moser,e| author.?| UNAUTHORIZED;

245 10 a| Population density and distribution of the estuarine clam Rangia cuneata in Croatan Sound, North Carolina /c| by Roger Moser Crump.;

264 0 c| 1971.;

300 a| 68 leaves :b| illustrations, maps ;c| 29 cm;

336 a| textb| txt2| rdacontent;

337 a| unmediatedb| n2| rdamedia;

338 a| volumeb| nc2| rdacarrier;

502 b| M.A.c| East Carolina Universityd| 1971;

500 a| "Presented to the faculty of the Department of Biology ... in partial fulfillment of the requirements for the degree Master of Arts in Biology.";

500 a| Advisor: Vincent J. Bellis;

520 3 a| Rangia cuneata, an estuarine clam, occurs in scattered patches along the northwestern shore in Croatan Sound. Population density ranged up to 12 clams per square meter. Overall distribution of Rangia was correlated with bottom, sediment type, being found primarily on fine and medium-fine sand substrates. Local distribution is related to mean grain size, organic content of the sediment, and water depth. Shallow, mesohaline water with a medium-fine sand substrate, low in organics, best describes the habitat of Rangia cuneata in Croatan Sound. Six separate size frequencies (year classes) were found during the survey. The fourth and fifth year clams were most abundant. According to this study, the five year Rangia should be the most economically profitable clams, since their meat weight was double that of the four year clams. Rangia's thick shell accounted for 75% of its total weight, thus making it an Important carbonate source, both commercially and ecologically.;

504 a| Includes bibliographical references (leaves 44-45).;

650 0 a| Clamsz| North Carolina.=| ^A118867;

650 0 a| Rangia cuneata.?| UNAUTHORIZED;

650 7 a| Clams.2| fast0| (OCoLC)fst00863245;

655 7 a| Academic theses.2| fast0| (OCoLC)fst01726453;

655 7 a| Academic theses.2| lcgft;

655 7 a| Thèses et écrits académiques.2| rvmgf0| (CaQQLa)RVMGF-000001173;

655 2 a| Academic Dissertation.0| (DNLM)D019478?| UNAUTHORIZED;

700 1 a| Bellis, Vincent J.,d| 1938-e| degree supervisor.=| ^A32894;

710 2 a| East Carolina University.b| Department of Biology.=| ^A637467;

856 41 z| Access via ScholarShipu| http://hdl.handle.net/10342/11468;

949 a| Click on web addressw| asish| joyner101;

949 a| Click on web addressw| asish| hsl111;

994 a| C0b| ERE;

596 a| 1 4;

998 a| 266922;

999 a| QL430.7.M3 C78X 1971 2w| LCc| 1i| 30372004033517d| 6/17/2014e| 11/14/2003f| 5/8/2024g| 2l| JNCSm| JOYNERn| 1r| Ys| Yt| JNCSBKu| 3/16/1989x| BOOKz| JNCCOLLo| .STAFF. 0o| .STAFF. Copy Statement : c.2;

999 a| ASK AT SPECIAL COLLECTIONS DESKw| ASISc| 1i| 393193d| 7/11/2000l| JSCJTHDm| JOYNERr| Ys| Yt| JSCJTHDu| 7/11/2000x| ETDz| JSPECCOLLo| .STAFF. 0;

999 a| CLICK ON WEB ADDRESSw| ASISc| 1i| 266922-4001l| JNETm| JOYNERr| Ys| Yt| JNE3ETDu| 3/20/2024x| ETDz| JERESOURCE;

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Population density and distribution of the estuarine clam Rangia cuneata in Croatan Sound, North Carolina / by Roger Moser Crump.

Author/creator	Crump, Roger Moser author.
Other author	Bellis, Vincent J., 1938- degree supervisor.
Other author	East Carolina University. Department of Biology.
Format	Theses and dissertations
Production	1971.
Description	68 leaves : illustrations, maps ; 29 cm
Supplemental Content	Access via ScholarShip
Subjects	Clams--North Carolina. Rangia cuneata.

Summary	Rangia cuneata, an estuarine clam, occurs in scattered patches along the northwestern shore in Croatan Sound. Population density ranged up to 12 clams per square meter. Overall distribution of Rangia was correlated with bottom, sediment type, being found primarily on fine and medium-fine sand substrates. Local distribution is related to mean grain size, organic content of the sediment, and water depth. Shallow, mesohaline water with a medium-fine sand substrate, low in organics, best describes the habitat of Rangia cuneata in Croatan Sound. Six separate size frequencies (year classes) were found during the survey. The fourth and fifth year clams were most abundant. According to this study, the five year Rangia should be the most economically profitable clams, since their meat weight was double that of the four year clams. Rangia's thick shell accounted for 75% of its total weight, thus making it an Important carbonate source, both commercially and ecologically.
General note	"Presented to the faculty of the Department of Biology ... in partial fulfillment of the requirements for the degree Master of Arts in Biology."
General note	Advisor: Vincent J. Bellis
Dissertation note	M.A. East Carolina University 1971
Bibliography note	Includes bibliographical references (leaves 44-45).
Genre/form	Academic theses.
Genre/form	Academic theses.
Genre/form	Thèses et écrits académiques.

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Population density and distribution of the estuarine clam Rangia cuneata in Croatan Sound, North Carolina / by Roger Moser Crump.

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