Geographic Variation in Opisthonema oglinum (Lesueur, 1818) in the Southeastern Brazilian Bight Inferred from Otolith Shape and Chemical Signatures

被引：4
作者：
Vaz-dos-Santos, Andre Martins [1 ]
Rautenberg, Kathleen Angelica [1 ]
Augusto, Cristiane Gallego [2 ]
Ballester, Eduardo Luis Cupertino [3 ]
Schwingel, Paulo Ricardo [4 ]
Pinto, Edgar [5 ]
Almeida, Agostinho [6 ]
Correia, Alberto Teodorico [7 ,8 ,9 ]
机构：
[1] Univ Fed Parana Setor Palotina, Dept Biodiversidade, Lab Esclerocronol LABESC, Rua Pioneiro,2153, BR-85950000 Palotina, PR, Brazil
[2] Inst Fed Sao Paulo IFSP, Rua Pedro Vicente,625, BR-01109010 Sao Paulo, SP, Brazil
[3] Univ Fed Parana Setor Palotina, Dept Ciencia Anim, Lab Carcinicultura LABCAR, Rua Pioneiro,2153, BR-85950000 Palotina, PR, Brazil
[4] Univ Vale Itajai, Lab Ecossistemas Aquat & Pesqueiros LEAP, Rua Uruguai,458, BR-88302901 Itajai, SC, Brazil
[5] Inst Politecn Porto, Dept Saude Ambiental, Escola Super Saude, Rua Dr Antonio Bernardino Almeida 400, P-4200072 Porto, Portugal
[6] Univ Porto, LAQV, REQUIMTE, Fac Farm, P-4050313 Porto, Portugal
[7] Terminal Cruzeiros Porto Leixoes, Ctr Interdisciplinar Invest Marinha & Ambiental CI, Ave Gen Norton Matos S-N, P-4450208 Matosinhos, Portugal
[8] Univ Porto UP, Dept Prod Aquat DPA, Inst Ciencias Biomed Abel Salazar ICBAS, Rua Jorge Viterbo Ferreira 228, P-4050313 Porto, Portugal
[9] Univ Tras Os Montes & Alto Douro UTAD, Dept Biol & Ambiente DeBA, Escola Ciencias Vida & Ambiente ECVA, Quinta Prados, P-5001801 Vila Real, Portugal
来源：
FISHES | 2023年 / 8卷 / 05期
关键词：
small pelagic fish; purse seine; Brazil; natural tags; elliptical Fourier descriptors; geochemical signatures; POPULATION-STRUCTURE; FISH OTOLITHS; SPECIES IDENTIFICATION; TEMPORAL VARIABILITY; SPATIAL-DISTRIBUTION; NORTHEAST ATLANTIC; MERLUCCIUS-HUBBSI; BERTIOGA CHANNEL; LIFE-HISTORY; SAO-PAULO;
D O I：
10.3390/fishes8050234
中图分类号：
S9 [水产、渔业];
学科分类号：
0908 ;
摘要：
The thread herring Opisthonema oglinum (Lesueur, 1818) is a small pelagic fish distributed in the western margin of the Atlantic Ocean from the United States to Argentina. It is a target species for diverse commercial fisheries, including the Brazilian industrial purse seine fleets that operate in the Southeastern Brazilian Bight. To investigate the geographic variation in the thread herring populations in this fishing ground, sagittal otoliths were collected from two areas: Rio de Janeiro (RJ: 23 degrees 04' S, 44 degrees 03' W) and Santa Catarina (SC: 26 degrees 05' S, 48 degrees 180 W). Otolith shape analyses and multielemental signatures were statistically evaluated using elliptical Fourier descriptors and elemental/Ca ratios. Remarkable differences in the thread herring otoliths between the two areas were found. The previous scenario in which the thread herring constitutes a single panmictic population in the Atlantic Ocean is now debatable. The implications of these results in terms of rational fisheries management for this species are highlighted.
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页数：18
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