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LEADER 04167ctm a2200577 i 4500

001 ocm49056058;

003 OCoLC;

005 20251021154345.0;

008 020221s2001 xx ab bm 000 0 eng d;

035 a| (Sirsi) o49056058;

035 a| (OCoLC)49056058;

043 a| n-us-nc;

049 a| EREE;

050 4 a| QL638.M678b| M67 2001;

100 1 a| Morris, James A.,e| author.=| ^A512596;

245 10 a| Investigation of genetics, demographics, and life history strategies of striped bass, Morone saxatilis using otolith microchemistry /c| by James A. Morris, Jr.;

264 0 c| 2001.;

300 a| vi, 95 leaves :b| illustrations, color maps ;c| 28 cm;

336 a| textb| txt2| rdacontent;

337 a| unmediatedb| n2| rdamedia;

338 a| volumeb| nc2| rdacarrier;

502 b| M.S.c| East Carolina Universityd| 2001;

500 a| Presented to the faculty of the Department of Biology.;

500 a| Advisor: Roger A. Rulifson;

520 3 a| Otolith microchemistry was used to investigate genetic, demographic and life history characteristics of striped bass, Morone saxatilis. Striped bass were collected from three river systems along the eastern seaboard; the Neuse and Roanoke rivers. North Carolina and the Stewiacke River, Nova Scotia. Ca, Mn, Fe, Cu, Zn, Br, and Sr were analyzed in otolith nuclei using broad-beam particle induced x-ray emission (PIXE). Genetic subgroups (Roanoke River only) showed that Cu:Ca ratios were different in one subgroup possibly of a resident genotype; however, because Cu concentrations were near the limit of detection, further investigation is warrented. Two dorsal coloration patterns found in Stewiacke River fish indicates the presence of ocean-going (green) and resident (black) contingents, but results of trace elemental analysis showed no differences in elemental signatures of otolith nuclei suggesting that the contingents are from the same population. Sr:Ca ratios were not stable among Roanoke River year classes; decreased levels of strontium in one year class eorresponded with a flooding event. 94% of the Neuse River fish were classified correctly, 72% of Stewiacke, and 52% of Roanoke. Obvious outliers to these classifications suggest that more open populations (Stewiacke and Roanoke) were frequented by wandering individuals from other populations.;

504 a| Includes bibliographical references (leaves 64-79).;

650 0 a| Striped bassz| Roanoke River (Va. and N.C.)=| ^A69980;

650 0 a| Striped bassz| North Carolinaz| Neuse River.=| ^A69980;

650 0 a| Striped bassz| Nova Scotiaz| Stewiacke River.=| ^A69980;

650 0 a| Otoliths.=| ^A85551;

650 0 a| Fish populations.=| ^A34046;

650 7 a| Fish populations.2| fast0| (OCoLC)fst00925935;

650 7 a| Otoliths.2| fast0| (OCoLC)fst01048965;

650 7 a| Striped bass.2| fast0| (OCoLC)fst01135489;

655 7 a| dissertations.2| aat0| (CStmoGRI)aatgf300028029;

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;

700 1 a| Rulifson, Roger A.q| (Roger Allen),d| 1951-e| degree supervisor.1| https://id.oclc.org/worldcat/entity/E39PCjxkptjgTDjCGJG3wG7HBX=| ^A664441;

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

856 41 z| Access via ScholarShipu| http://hdl.handle.net/10342/12612;

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Investigation of genetics, demographics, and life history strategies of striped bass, Morone saxatilis using otolith microchemistry / by James A. Morris, Jr.

Author/creator	Morris, James A. author.
Other author	Rulifson, Roger A. (Roger Allen), 1951- degree supervisor.
Other author	East Carolina University. Department of Biology.
Format	Theses and dissertations
Production	2001.
Description	vi, 95 leaves : illustrations, color maps ; 28 cm
Supplemental Content	Access via ScholarShip
Subjects	Striped bass--Roanoke River (Va. and N.C.). Striped bass--North Carolina. --Neuse River. Striped bass--Nova Scotia. --Stewiacke River. Otoliths. Fish populations.

Summary	Otolith microchemistry was used to investigate genetic, demographic and life history characteristics of striped bass, Morone saxatilis. Striped bass were collected from three river systems along the eastern seaboard; the Neuse and Roanoke rivers. North Carolina and the Stewiacke River, Nova Scotia. Ca, Mn, Fe, Cu, Zn, Br, and Sr were analyzed in otolith nuclei using broad-beam particle induced x-ray emission (PIXE). Genetic subgroups (Roanoke River only) showed that Cu:Ca ratios were different in one subgroup possibly of a resident genotype; however, because Cu concentrations were near the limit of detection, further investigation is warrented. Two dorsal coloration patterns found in Stewiacke River fish indicates the presence of ocean-going (green) and resident (black) contingents, but results of trace elemental analysis showed no differences in elemental signatures of otolith nuclei suggesting that the contingents are from the same population. Sr:Ca ratios were not stable among Roanoke River year classes; decreased levels of strontium in one year class eorresponded with a flooding event. 94% of the Neuse River fish were classified correctly, 72% of Stewiacke, and 52% of Roanoke. Obvious outliers to these classifications suggest that more open populations (Stewiacke and Roanoke) were frequented by wandering individuals from other populations.
General note	Presented to the faculty of the Department of Biology.
General note	Advisor: Roger A. Rulifson
Dissertation note	M.S. East Carolina University 2001
Bibliography note	Includes bibliographical references (leaves 64-79).
Genre/form	dissertations.
Genre/form	Academic theses.
Genre/form	Academic theses.
Genre/form	Thèses et écrits académiques.

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