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Fishes
Special Issues
Impacts of Climate Change on Small-Scale Fisheries
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Impacts of Climate Change on Small-Scale Fisheries

A special issue of Fishes (ISSN 2410-3888). This special issue belongs to the section "Environment and Climate Change".

Deadline for manuscript submissions: closed (30 September 2022) | Viewed by 7782

Special Issue Editors

Dr. Bianca Maria Lombardo

E-Mail Website
Guest Editor
Department of Biological, Geological, and Environmental Sciences, University of Catania, Catania, Italy
Interests: zoology; marine biology; taxonomy; fishery research; non-indigenous fish; citizen science
Special Issues, Collections and Topics in MDPI journals
Dr. Francesco Tiralongo

E-Mail Website
Guest Editor
Department of Biological, Geological and Environmental Sciences, University of Catania, Catania, Italy
Interests: marine biology; conservation biology; fish ecology and taxonomy; fishery research; biological invasions
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Giacomo Bernardi

E-Mail Website
Guest Editor
Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, CA, USA
Interests: fish population genomics; molecular ecology; evolution of fishes

Special Issue Information

Dear Colleagues,

The effects of climate change can directly or indirectly have a negative effect on small-scale fisheries, whose communities are often the most vulnerable to climate change. Phenomena such as storms, excessive heating of the sea water, extreme rainfall, changes in the sea level, etc., are becoming more frequent overall. As a consequence of these phenomena, which can be worsened by other factors such as habitat destruction, overfishing, biological invasions and pollution, the abundance and distribution of fish and other valuable biological resources is changing. The aim of this Special Issue, “Impacts of Climate Change on Small-scale Fisheries”, is to collect high-quality manuscripts focusing on small-scale fisheries and on the impacts that climate change and other factors could have on them.

Dr. Bianca Maria Lombardo
Dr. Francesco Tiralongo
Prof. Dr. Giacomo Bernardi
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Fishes is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • climate change
  • small-scale fisheries
  • biological invasions
  • overfishing
  • marine water warming
  • artisanal fishery

Published Papers (3 papers)

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Research

14 pages, 5721 KiB  
Article
Effects of Water Temperature on the Growth, Antioxidant Capacity, and Gut Microbiota of Percocypris pingi Juveniles
by Xingbing Wu, Xuemei Li, Yongjiu Zhu, Jinling Gong, Tingbing Zhu, Jiajia Ni and Deguo Yang
Fishes 2022, 7(6), 374; https://doi.org/10.3390/fishes7060374 - 06 Dec 2022
Viewed by 1166
Abstract
It is necessary to determine the optimal temperature for Percocypris pingi growth in recirculating aquaculture systems. To describe the effects of temperature, we evaluated the growth, antioxidant enzyme activity, and gut microbiota structure of P. pingi at different temperatures, including 14, 18, 22, [...] Read more.
It is necessary to determine the optimal temperature for Percocypris pingi growth in recirculating aquaculture systems. To describe the effects of temperature, we evaluated the growth, antioxidant enzyme activity, and gut microbiota structure of P. pingi at different temperatures, including 14, 18, 22, and 26 °C. Results showed that increases in body weight of individuals of the groups subjected to 18 and 22 °C temperatures were considerably higher than those in the groups subjected to temperatures of 14 and 26 °C between 20 and 60 d after the experiment started. Acid phosphatase activity in the liver and kidneys of P. pingi did not differ significantly among the various temperature groups (p > 0.05). A gradual restoration of the alkaline phosphatase and superoxide dismutase activities to variations in the surrounding temperature was observed in the liver and kidney of P. pingi. Interestingly, the water temperature did not affect the α-diversity or composition of the gut microbiota of P. pingi. In conclusion, water temperatures between 14 and 26 °C significantly impacted the growth of P. pingi (p < 0.05) but not the liver and kidney antioxidant capacity or the gut microbiota within 60 d. Full article
(This article belongs to the Special Issue Impacts of Climate Change on Small-Scale Fisheries)
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18 pages, 2741 KiB  
Article
Climate Resilience and Adaptation in West African Oyster Fisheries: An Expert-Based Assessment of the Vulnerability of the Oyster Crassostrea tulipa to Climate Change
by Edem Mahu, Salieu Sanko, Allieubakarr Kamara, Ernest Obeng Chuku, Elizabeth Effah, Zacharie Sohou, Yaovi Zounon, Victoria Akinjogunla, Ruth Oluwatoyin Akinnigbagbe, Hamet Diaw Diadhiou and Robert Marchant
Fishes 2022, 7(4), 205; https://doi.org/10.3390/fishes7040205 - 16 Aug 2022
Cited by 6 | Viewed by 3297
Abstract
Globally, over 85% of oyster reefs have been lost, and the combined effects of climate change, ocean acidification, and environmental degradation, including pollution and mangrove overharvesting, could further reduce global oyster fisheries in the coming decades. To understand the level of impact of [...] Read more.
Globally, over 85% of oyster reefs have been lost, and the combined effects of climate change, ocean acidification, and environmental degradation, including pollution and mangrove overharvesting, could further reduce global oyster fisheries in the coming decades. To understand the level of impact of climate change on the oyster fishery in West Africa, an expert-based vulnerability assessment to climate change was conducted for the West African mangrove oyster (Crassostrea tulipa, Lamarck 1819). Using a combination of the exposure of the oyster to climatic stressors (estuarine temperature, salinity, river flow, surface run-off, sea level rise, and estuarine circulation) together with an assessment of sensitivity to these stressors, we estimate the overall vulnerability of C. tulipa to climate change. A very high overall climate vulnerability score of 12 on a scale of 16 was calculated for C. tulipa. While the overall climate exposure score in the West African coastal region remained high, the high sensitivity of C. tulipa to hydrographic conditions of its habitat, in particular salinity, coupled with its sessile and habitat-specific nature, pushed the overall vulnerability to very high. Early life history settlement requirements, adult mobility, and sensitivity to salinity were the three most important biological and sensitivity attributes that determined the vulnerability score. By leaving each of these three sensitivity attributes out of the analysis, the overall vulnerability score was reduced to 9 (i.e., from very high to high). A negative directional effect of climate change, coupled with a low potential for change in distribution, threatens the C. tulipa fishery in a long-term adverse climate scenario. We recommend management efforts that incorporate climate resilience and adaptation practices to prioritize recruitment success, as well as the development of breeding lines with climate-resilient traits. Full article
(This article belongs to the Special Issue Impacts of Climate Change on Small-Scale Fisheries)
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14 pages, 2751 KiB  
Article
Climate-Driven Synchrony in Anchovy Fluctuations: A Pacific-Wide Comparison
by Haoyu Li, Xiaonan Zhang, Yang Zhang, Qi Liu, Fengwen Liu, Donglin Li and Hucai Zhang
Fishes 2022, 7(4), 193; https://doi.org/10.3390/fishes7040193 - 05 Aug 2022
Cited by 3 | Viewed by 1928
Abstract
Fish population fluctuations have been widely documented and are often attributed to climate variability, but little is known about their relationship. This is a barrier that restricts our capacity to understand climate effects on fish fluctuations. Here, we collected published data to conduct [...] Read more.
Fish population fluctuations have been widely documented and are often attributed to climate variability, but little is known about their relationship. This is a barrier that restricts our capacity to understand climate effects on fish fluctuations. Here, we collected published data to conduct a comparative analysis of time series in terms of both scale deposition rate (SDR) and catch to indicate the abundance of anchovy and explored its relationships with climatic and environmental parameters. We first conducted a Spearman correlation analysis to identify the differences in the SDR between sites. Then, we used Generalized Additive Models to evaluate the effects of external forcing at multiple spatial scales (i.e., local and global scales) on the anchovy catches recorded at the California Current Ecosystem (CCE), Humboldt Current Ecosystem (HCE), and Kuroshio Current Ecosystem (KCE). We found that the SDRs at different sites in the same Current Systems are generally consistent, while there are more differences between different systems. We also found that the Pacific Decadal Oscillation index (PDOI), North Pacific index (NPI), North Pacific Gyre Oscillation index (NPGOI), Sea Surface Temperature anomaly (SSTA), and Air Temperature anomaly (ATA) were the most influential factors explaining the variability in anchovy catch for CCE, whereas the NPGOI was the most influential factor for HCE. The PDOI was the best at explaining the variability in anchovy catch for KCE. Our results suggest that anchovy fluctuations in the Pan-Pacific occurred synchronously. These seemingly unrelated events, which occurred thousands of kilometers apart, were actually not isolated. Therefore, we suggest that large-scale climate forcing may activate synchronous fluctuations for anchovy populations at the basin scale, whereas local-scale environmental forces are also responsible for anchovy fluctuations in the “micro-environment”. Full article
(This article belongs to the Special Issue Impacts of Climate Change on Small-Scale Fisheries)
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