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DOI | 10.1002/mcf2.10087 |
Life History of the Gray Snapper at the Warm Edge of Its Distribution Range in the Caribbean | |
Andrade, Hector1,2; Santos, Jorge2 | |
发表日期 | 2019 |
ISSN | 1942-5120 |
卷号 | 11期号:4页码:315-327 |
英文摘要 | Knowledge of the life history of populations at the warm edge of their distributional range can provide a better understanding of how they will adapt to climate warming, including potential poleward redistribution. The range of Gray Snapper Lutjanus griseus has the potential to expand along its northern temperate fringe, but little is known about this species in the warmest portion of its range. We studied the age, growth, reproduction, and mortality of commercially caught Gray Snapper in the Guatemalan Caribbean, where sea surface temperature consistently exceeds 26 degrees C. Longevity was estimated as 10 years, and von Bertalanffy growth parameters that were consolidated through Bayesian estimation incorporating earlier estimates from the Caribbean region were as follows: asymptotic length (L-infinity) was 35 cm, the growth coefficient (K) was 0.56 year(-1), and the theoretical age at zero length (t(0)) was -0.7 year. Gray Snapper grew slowest in April, prior to the rainy season, and at the onset of the reproductive season, which lasted to September. Fifty percent of the Gray Snapper matured at 31 cm and at 3.5 years of age. Gray Snapper had a lower maximum size, longevity, and peak reproductive investment, a protracted spawning season and reproductive life span, and elevated natural mortality at the warm edge of their distribution relative to temperate climates. Despite the plasticity in life history of Gray Snapper observed in this study, their potential to further adapt to warming remains unknown. |
WOS研究方向 | Fisheries ; Marine & Freshwater Biology |
来源期刊 | MARINE AND COASTAL FISHERIES
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文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/101234 |
作者单位 | 1.Akvaplan Niva AS, Fram Ctr, POB 6606, N-9296 Tromso, Norway; 2.Univ Tromso, Norwegian Coll Fishery Sci, Fac Biosci Fisheries & Econ, N-9037 Tromso, Norway |
推荐引用方式 GB/T 7714 | Andrade, Hector,Santos, Jorge. Life History of the Gray Snapper at the Warm Edge of Its Distribution Range in the Caribbean[J],2019,11(4):315-327. |
APA | Andrade, Hector,&Santos, Jorge.(2019).Life History of the Gray Snapper at the Warm Edge of Its Distribution Range in the Caribbean.MARINE AND COASTAL FISHERIES,11(4),315-327. |
MLA | Andrade, Hector,et al."Life History of the Gray Snapper at the Warm Edge of Its Distribution Range in the Caribbean".MARINE AND COASTAL FISHERIES 11.4(2019):315-327. |
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