Synthesis of Research on the Reproductive Biology of Queen Conch (Aliger gigas): Toward the Goals of Sustainable Fisheries and Species Conservation

IF 6.4 1区 农林科学 Q1 FISHERIES
A. Stoner, R. Appeldoorn
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引用次数: 5

Abstract

Abstract The queen conch (Aliger gigas) is a culturally and economically important molluskan fishery resource in the Caribbean region showing increasing signs of over harvest. Shallow-water distribution and large size facilitate capture, and internal fertilization and density-dependent reproduction make managing for reproductive biology critical to stock rehabilitation. In fact, the natural lifetime fecundity of conch is very high but most fisheries in the region harvest conch before even a small fraction of that reproductive potential can be attained. The goal of this review is to provide an up-to-date synthesis of the vast research literature on queen conch biology (spanning >60 years) and to discuss how knowledge of reproduction in conch can help to guide field surveys, fishery management decisions, and stock recovery projects. The review covers the subjects of anatomy, maturation and fecundity as they relate to conch age and size, reproductive behavior including migrations, seasonality, mating, and egg-laying, and the influences of both environmental and demographic variables on reproductive potential. Successes and failures under different forms of management practice are discussed as they relate to reproductive biology and recommendations are made for future research and fishery management alternatives. Successful management will require multiple regulatory approaches.
海螺繁殖生物学研究综述:实现可持续渔业和物种保护目标
皇后螺(Aliger gigas)是加勒比地区一种具有重要文化和经济意义的软体动物渔业资源,呈现出日益过度捕捞的迹象。浅水分布和大尺寸有利于捕获,内部受精和密度依赖性繁殖使得生殖生物学管理对种群恢复至关重要。事实上,海螺的自然终身繁殖力非常高,但该地区的大多数渔场在获得繁殖潜力的一小部分之前就收获了海螺。本综述的目的是提供最新的大量研究文献的综合后海螺生物学(跨越50 - 60年),并讨论如何在海螺繁殖的知识可以帮助指导实地调查,渔业管理决策和种群恢复项目。这篇综述涵盖了解剖学、成熟和繁殖力,因为它们与海螺的年龄和大小有关,包括迁徙、季节性、交配和产卵在内的生殖行为,以及环境和人口变量对生殖潜力的影响。讨论了与生殖生物学有关的不同形式的管理做法的成功和失败,并为今后的研究和渔业管理备选办法提出建议。成功的管理需要多种监管方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
25.20
自引率
0.90%
发文量
19
期刊介绍: Reviews in Fisheries Science & Aquaculture provides an important forum for the publication of up-to-date reviews covering a broad range of subject areas including management, aquaculture, taxonomy, behavior, stock identification, genetics, nutrition, and physiology. Issues concerning finfish and aquatic invertebrates prized for their economic or recreational importance, their value as indicators of environmental health, or their natural beauty are addressed. An important resource that keeps you apprised of the latest changes in the field, each issue of Reviews in Fisheries Science & Aquaculture presents useful information to fisheries and aquaculture scientists in academia, state and federal natural resources agencies, and the private sector.
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