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Fisheries Biology, Ecology and Sustainable Management

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Oceans".

Deadline for manuscript submissions: closed (31 May 2023) | Viewed by 1894

Special Issue Editor


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Guest Editor
Department of Fisheries Management, Patuakhali Science and Technology University, Patuakhali, Bangladesh
Interests: fisheries biology; fish population dynamics; open-water fisheries management; conservation of aquatic resources

Special Issue Information

Dear Colleagues,

Contemporary fishery management has become a priority worldwide due to the exploitation of fish stocks, although ongoing climate change and its influence on fisheries’ resources is equally considered. For the sustainable management of an exploited fishery, it is imperative to study its biology and ecology, which could be used either in assessing the stock or providing a basis for fishery management strategies. Such studies are usually based on the available data, the best available methods, and/or the knowledge about the biology of considered species along with their ecosystem. Once the stock status is assessed, decision makers are responsible for the definition, evaluation, and adoption of management measures. This Special Issue focuses on the theme of “Fisheries Biology, Ecology and Sustainable Management” to bring together the latest insights on the topic. We hope that the cognitive science community will find this Special Issue to be an informative and useful collection of articles.

Dr. Ferdous Ahamed
Guest Editor

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Keywords

  • population
  • stock assessment
  • ecology
  • management

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Published Papers (1 paper)

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Research

15 pages, 3142 KiB  
Article
Estimation of Population Parameters of Glossogobius giuris in the Rabnabad Channel, Southern Bangladesh: Implications for Sustainable Management
by Ferdous Ahamed, Mohaiminul Haque Rakib, Dipto Roy, Hamida Akter and Zoarder Faruque Ahmed
Sustainability 2023, 15(13), 10172; https://doi.org/10.3390/su151310172 - 27 Jun 2023
Viewed by 1068
Abstract
The tank goby Glossogobius giuris is a commercially important dominant fish species in the Rabnabad Channel in southern Bangladesh. However, information on the population parameters of this species is not available to support its sustainable management. Therefore, the present study was undertaken to [...] Read more.
The tank goby Glossogobius giuris is a commercially important dominant fish species in the Rabnabad Channel in southern Bangladesh. However, information on the population parameters of this species is not available to support its sustainable management. Therefore, the present study was undertaken to estimate the population parameters to understand both the current status and yield, and to suggest sustainable management measures for this species, using monthly samples collected from September 2021 to August 2022. Our results showed that the size of this species at first sexual maturity was 8.5 cm in total length (TL). The gonadosomatic index indicated a prolonged spawning season, with three peaks in January–February (minor peak), April–May (minor peak), and August–November (major peak). Recruitment occurred at ~8.2 cm TL for an extended period of the year with three pulses in March (major pulse), May–June (minor pulse), and December (minor pulse). The von Bertalanffy growth parameters were TL = 25.0 cm and K = 1.10 year−1. The growth performance index and longevity were 2.84 and 2.7 years, respectively. The estimated fishing, natural, and total mortalities were 0.42, 2.00, and 2.42 year−1, respectively. Therefore, the exploitation rate was 0.17, and the maximum sustainable yield was 0.37, indicating that the stock of G. giuris was not subjected to overexploitation. Hence, management intervention is not needed at this moment. Rather, a substantial amount of fishing pressure could be increased to obtain the maximum benefit. Full article
(This article belongs to the Special Issue Fisheries Biology, Ecology and Sustainable Management)
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