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Record #170219:
Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean / S.A. Appleyard, R. Williams, R.D. (Robert D.) Ward.
Title: | Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean / S.A. Appleyard, R. Williams, R.D. (Robert D.) Ward. |
Author(s): | Appleyard, S. A. Williams, R. Ward, R. D. |
Date: | 2004. |
In: | CCAMLR Science. (2004.), Vol. 11 (2004) |
Abstract: | Reports results of mitochondrial DNA (mtDNA) and microsatellite analyses on four collections of Dissostichus eleginoides from Kerguelen, Crozet and Prince Edward and Marion Islands. MtDNA halotype diversity ranged from 0.331 to 0.351. Observed heterozygosities per locus per collection ranged from 0.000 to 0.900 and allele counts from 1 to 21. MtDNA heterogeneity was not significant, and only weak and inconsistent heterogeneity was found at three microsatellite loci, indicating lack of population sub-structuring among collections. Genetic variance estimates of both mtDNA (FST = -0.016) and microsatellites (FST = -0.005) indicated all variation was seen within collections. Comparisons with genetic data from Heard Island and McDonald Islands collections were not significant among the geographic groups, indicating lack of genetic differentiation among these West Indian Ocean sector fishing locations. Discusses implications for management of Patagonian toothfish stocks across national boundaries. |
Notes: | CCAMLR Science. Vol. 11 :21-32 (2004). |
Keywords: | 639.2 -- Fisheries. 639.2.001 -- Fisheries research. 639.227.5 -- Nototheniform fisheries. 597 -- Fish. 597.583.1 -- Nototheniiformes. 597.583.12 -- Nototheniidae: Dissostichus eleginoides. 591.9(26.02) -- Animal distribution, pelagic. 574.34 -- Population dynamics. 575 -- Genetics. 575.2 -- Variation, biological. 577.1 -- Biochemistry. H4 -- Zoology: fish. (*7) -- Antarctic regions. (*78) -- Sub-Antarctic islands. (*783) -- Prince Edward Islands. (*784) -- French sub-Antarctic islands. (*785) -- Heard and McDonald Islands. (*80) -- Southern Ocean. (*84) -- South Indian Ocean. |
SPRI record no.: | 170219 |
LDR 02556naa#a2200000#a#4500 001 SPRI-170219 005 20240329120955.0 007 ta 008 240329s2004####xx#b##|##|###|0||#0|eng#d 035 ## ‡aSPRI-170219 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aAppleyard, S. A. 245 10 ‡aPopulation genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean /‡cS.A. Appleyard, R. Williams, R.D. (Robert D.) Ward. 260 ## ‡a[S.l.] :‡b[s.n.],‡c2004. 300 ## ‡ap. 21-32 :‡btables, map. 500 ## ‡aCCAMLR Science. Vol. 11 :21-32 (2004). 520 3# ‡aReports results of mitochondrial DNA (mtDNA) and microsatellite analyses on four collections of Dissostichus eleginoides from Kerguelen, Crozet and Prince Edward and Marion Islands. MtDNA halotype diversity ranged from 0.331 to 0.351. Observed heterozygosities per locus per collection ranged from 0.000 to 0.900 and allele counts from 1 to 21. MtDNA heterogeneity was not significant, and only weak and inconsistent heterogeneity was found at three microsatellite loci, indicating lack of population sub-structuring among collections. Genetic variance estimates of both mtDNA (FST = -0.016) and microsatellites (FST = -0.005) indicated all variation was seen within collections. Comparisons with genetic data from Heard Island and McDonald Islands collections were not significant among the geographic groups, indicating lack of genetic differentiation among these West Indian Ocean sector fishing locations. Discusses implications for management of Patagonian toothfish stocks across national boundaries. 650 07 ‡a639.2 -- Fisheries.‡2udc 650 07 ‡a639.2.001 -- Fisheries research.‡2udc 650 07 ‡a639.227.5 -- Nototheniform fisheries.‡2udc 650 07 ‡a597 -- Fish.‡2udc 650 07 ‡a597.583.1 -- Nototheniiformes.‡2udc 650 07 ‡a597.583.12 -- Nototheniidae: Dissostichus eleginoides.‡2udc 650 07 ‡a591.9(26.02) -- Animal distribution, pelagic.‡2udc 650 07 ‡a574.34 -- Population dynamics.‡2udc 650 07 ‡a575 -- Genetics.‡2udc 650 07 ‡a575.2 -- Variation, biological.‡2udc 650 07 ‡a577.1 -- Biochemistry.‡2udc 650 07 ‡aH4 -- Zoology: fish.‡2local 651 #7 ‡a(*7) -- Antarctic regions.‡2udc 651 #7 ‡a(*78) -- Sub-Antarctic islands.‡2udc 651 #7 ‡a(*783) -- Prince Edward Islands.‡2udc 651 #7 ‡a(*784) -- French sub-Antarctic islands.‡2udc 651 #7 ‡a(*785) -- Heard and McDonald Islands.‡2udc 651 #7 ‡a(*80) -- Southern Ocean.‡2udc 651 #7 ‡a(*84) -- South Indian Ocean.‡2udc 700 1# ‡aWilliams, R. 700 1# ‡aWard, R. D. ‡q(Robert D. ) 773 0# ‡7nnas ‡tCCAMLR Science. ‡gVol. 11 (2004) ‡wSPRI-131147 916 ## ‡aHS 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240329 ‡bHS