Synergistic Effects of Hydroclimate and Fisheries

A special issue of Fishes (ISSN 2410-3888). This special issue belongs to the section "Fishery Economics, Policy, and Management".

Deadline for manuscript submissions: closed (31 July 2022) | Viewed by 11121

Special Issue Editors


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Guest Editor
Institute of Marine Affair and Business Management, National Kaohsiung University of Science and Technology, Kaohsiung 81157, Taiwan
Interests: climate change; coastal management; case study; trans-disciplinary
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Kuroshio Science Program, Graduate School of Integrated Arts and Sciences, Kochi University, Nankoku, Kochi, Japan
Interests: marine organisms; proteins; cloning proteinpurification; molecular cloning; Western blot analysis; recombinant protein expression

Special Issue Information

Dear Colleagues,

The challenges of coastal and fishing communities in the near future.

The higher temperature of seawater, conflicts between maritime users, workforce shortages, and frequent extreme climatic disasters have become significant threats to fishery sustainability. In addition, the changes of digital technology in the industry, social populations in coastal areas are huge and rapid. Therefore, fishery and fishing communities have faced a lot of challenges. In this rapidly changing period, we have to figure out how to cope with new challenges effectively. Overcoming these challenges requires improving the economic development of coastal and fishing communities, marine environmental protection and conservation, and marine spatial planning and management measures. Comprehensive research involving the environment and industry is necessary to the sustainable development of coastal and fishing communities, such as the issue of the fishing economy, local revitalization, offshore windfarms, and marine protected areas. In the context of this Special Issue, we aim to exchange knowledge on any aspect related to the sustainable development of coastal and fishing communities, thereby facilitating and improving the engagement of coastal and fishing communities with marine-environment conservation and the development of emerging and traditional industry.

Prof. Dr. Wen-Hong Liu
Prof. Dr. Satoshi Kubota
Guest Editors

Manuscript Submission Information

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Keywords

  • sustainability
  • coastal community
  • fishing community
  • local revitalization
  • marine environment conservation
  • economic development
  • community engagement
  • management measures
  • aquaculture

Published Papers (5 papers)

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Research

15 pages, 1240 KiB  
Article
Production Performances and Profitability of Stocking Homestead Ponds with Advanced Carp Fingerlings for Maximizing Family Nutrition and Income Generation
by Mohammad Belal Hossain, As-Ad Ujjaman Nur, Md. Milon Sarker, Partho Banik, Md. Monirul Islam, Mohammed Fahad Albeshr and Takaomi Arai
Fishes 2022, 7(5), 289; https://0-doi-org.brum.beds.ac.uk/10.3390/fishes7050289 - 15 Oct 2022
Cited by 2 | Viewed by 1585
Abstract
Coastal homestead ponds are flooded during the rainy season and only hold water for five to six months. For coastal rural people, these ponds have a substantial impact on household nutrition and income generation. However, choosing the right culture techniques, stocking density, and [...] Read more.
Coastal homestead ponds are flooded during the rainy season and only hold water for five to six months. For coastal rural people, these ponds have a substantial impact on household nutrition and income generation. However, choosing the right culture techniques, stocking density, and seed size are necessary for fish aquaculture to be effective in this sort of seasonal pond. Hence, an adaptive field experiment was conducted to reveal the growth performance, yield and cost–benefit using advanced carp fingerling at different stocking densities in homestead ponds. Advanced fingerlings of Gibelion catla, Labeo rohita, Cirrhinus cirrhosus, and Labeo calbasu with the mean individual stocking weight of 243 ± 1.87 g, 223.56 ± 2.35 g, 155.89 ± 1.69 g, and 158.72 ± 1.35 g, respectively, were stocked at three different stocking densities, e.g., 825 kg ha−1 in T1, 560 kg ha−1 in T2 and 370 kg ha−1 in T3 and reared for 5 months. Homemade supplementary feed with protein content of 24.25% was supplied twice daily. The specific growth rate (SGR) was recorded highest at T3 for all the cultured species as L. rohita (1.15 ± 0.01% day−1), followed by G. catla (1.12 ± 0.004% day−1), L. calbasu (1.09 ± 0.01% day−1), and C. cirrhosus (0.98 ± 0.002% day−1), respectively. An inverse relationship was detected between fish growth and stocking density for all treatments. A similar pattern was observed in the survival rate, where reduced survival rates were recorded at T1 for all species. Significant variation (p < 0.05) was found among the treatments in terms of final weight, SGR, and survival rate. Economics of the carp polyculture also showed the highest net benefit (2609.77 ± 2.02 USD ha−1) and benefit–cost ratio (2.06 ± 0.002) at T3. Rearing of fish at 370 kg ha−1 stocking density yielded 129.21% and 110.96% higher production in T3 than T1 and T2, respectively. Overall, T3 treatment was more appropriate than T1 and T2 due to its low FCR, low investment but high survival rate, and net return. Therefore, stocking homestead ponds with advanced carp fingerling with a density of 370 kg per ha can be suggested as for increasing fish production and benefit in the homestead ponds of coastal rural area. In addition, further research is recommended to find out the effects of feeding and sources of seeds on the production performances. Full article
(This article belongs to the Special Issue Synergistic Effects of Hydroclimate and Fisheries)
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12 pages, 446 KiB  
Article
The Path from Traditional Fisheries to Ecotourism in Cimei Island
by Wei-Ying Sung, Hsiao-Chien Lee and Wen-Hong Liu
Fishes 2022, 7(4), 200; https://0-doi-org.brum.beds.ac.uk/10.3390/fishes7040200 - 10 Aug 2022
Cited by 1 | Viewed by 1533
Abstract
Cimei Island is a second-class outlying island. In recent years, due to the lack of coastal fishery resources and restrictions on traffic and climate, the traditional fishery and tourism industries that residents rely on for a living have faced challenges. This research is [...] Read more.
Cimei Island is a second-class outlying island. In recent years, due to the lack of coastal fishery resources and restrictions on traffic and climate, the traditional fishery and tourism industries that residents rely on for a living have faced challenges. This research is based on the Barbados Programme of Action, from the perspective of environmental conservation, industrial economy, and social development in sustainable development, and from the perspective of local stakeholders, to construct a sustainable tourism action approach and development mechanism in Cimei Island. A qualitative research method was adopted. Various sources of data, including focus discussions and in-depth interviews with local stakeholders, textual materials, and field observations, were collected and analyzed. The results are as follows: (1) Cimei faces great threats in social, economic, and environmental aspects, which has led to Cimei Islands’ promotion of permanent development. (2) The current development of Cimei cannot effectively drive industrial development or the transformation of fishing villages. However, residents are worried that overdevelopment will impact the ecological environment and lifestyle on the Islands. (3) Cimei’s sustainable tourism development approach should be to first take inventory of the ecological environment and cultural resources, plan related environmental laws and regulations, and finally, use sustainable tourism to drive industrial development to carry out island development. Full article
(This article belongs to the Special Issue Synergistic Effects of Hydroclimate and Fisheries)
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13 pages, 277 KiB  
Article
The Potential Compatibility of Designating Offshore Wind Farms within Wider Marine Protected Areas—Conservation of the Chinese White Dolphin Regarding Fishers’ Perception
by Hao-Tang Jhan, Hsin-Ta Lee and Kuo-Huan Ting
Fishes 2022, 7(4), 195; https://0-doi-org.brum.beds.ac.uk/10.3390/fishes7040195 - 05 Aug 2022
Viewed by 1983
Abstract
The population of the Chinese white dolphin along Taiwan’s west coast is under a range of threats. The designation of marine protected areas (MPA) is urgently required for their protection. However, conflicts between specific species conservation and fishing rights mean that the success [...] Read more.
The population of the Chinese white dolphin along Taiwan’s west coast is under a range of threats. The designation of marine protected areas (MPA) is urgently required for their protection. However, conflicts between specific species conservation and fishing rights mean that the success of such a designation relies on the fishers’ perceptions and awareness of an MPA. Designating offshore wind farms within MPAs can be a mechanism for minimizing conflicts between fisheries and conservation. The purpose of this study is to examine the potential for designating an offshore wind farm within an MPA for Chinese white dolphin conservation by exploring the attitudes of local fishers. This study used face-to-face questionnaires. The results show that the main challenges are conflicts of interest, insufficient science-based information, and inadequate law enforcement. Offshore wind farms could be a way to maximize the benefits for different stakeholders and positively impact the marine environment and ecosystem. This study makes feasible recommendations on how to improve conservation, promote renewable energy, and encourage sustainable fisheries. Full article
(This article belongs to the Special Issue Synergistic Effects of Hydroclimate and Fisheries)
17 pages, 1329 KiB  
Article
Optimizing Hard Clam Production in Taiwan by Accounting for Nonlinear Effects of Stocking Density and Feed Costs on Farm Output of Clams
by Jie-Min Lee, Sheng-Hung Chen, Yi-Chung Lee, Jung-Fu Huang, Christian Schafferer, Chun-Yuan Yeh and Ti-Wan Kung
Fishes 2022, 7(4), 160; https://0-doi-org.brum.beds.ac.uk/10.3390/fishes7040160 - 01 Jul 2022
Cited by 1 | Viewed by 1709
Abstract
Despite mass mortality, hard clams remain among the main cultured shellfish in Taiwan. Using cross-sectional data, this study applies threshold regression modeling with stocking density and feed costs as the threshold variables to explore the nonlinear relationship between input and output factors. The [...] Read more.
Despite mass mortality, hard clams remain among the main cultured shellfish in Taiwan. Using cross-sectional data, this study applies threshold regression modeling with stocking density and feed costs as the threshold variables to explore the nonlinear relationship between input and output factors. The findings show that the production output levels may be increased by different combinations of factor inputs and variations in input factors. More specifically, the higher output levels may be achieved by increasing labor input while reducing capital input factors in farming households with a higher stocking density (HSD > 1,087,870 inds/ha) or higher feed cost (HFC > 13,889 NTD/ha). Farming households with a lower stocking density (LSD ≤ 1,087,870 inds/ha) may enhance production output levels by increasing feed input while reducing capital inputs. Moreover, the maximum output level of HSD and HFC farming households was estimated to reach 9255 kg/ha and 9807 kg/ha, respectively. Results of the production output simulation suggest that the feeding cost per hectare in LSD households should not exceed 25,119 NTD to avoid overfeeding, which may cause culture deterioration and lower survival rates. As such, farmers are advised to adjust their feed costs according to the stocking density to maximize production output. Full article
(This article belongs to the Special Issue Synergistic Effects of Hydroclimate and Fisheries)
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27 pages, 3651 KiB  
Article
The Fishery Value Chain Analysis in Taiwan
by Tsung-Yu Yang, Hsing-Chun Lin and Wen-Hong Liu
Fishes 2022, 7(3), 114; https://0-doi-org.brum.beds.ac.uk/10.3390/fishes7030114 - 16 May 2022
Cited by 1 | Viewed by 3606
Abstract
Although the GDP of the fishery sector accounts for less than 0.3% of Taiwan’s GDP, there are many secondary and tertiary industries related to fisheries that add great value to the country’s economy. Therefore, when analyzing and calculating the output value and value [...] Read more.
Although the GDP of the fishery sector accounts for less than 0.3% of Taiwan’s GDP, there are many secondary and tertiary industries related to fisheries that add great value to the country’s economy. Therefore, when analyzing and calculating the output value and value added of the fishery sector, the relevance of these upstream and downstream industries should be considered jointly, and the value chain of the fishery industry should be studied and analyzed in order to truly present the value added created by fishery. This study aims to do this by first analyzing not only the primary fishery industry, but the value chain of the fishery industry at different stages such as fishery production, marine fishing, aquaculture, fishery processing, retail and services, and supportive systems. Then the value added of the whole fishery value chain to Taiwan’s GDP is estimated by using the Leontief input–output model, from the perspective of industry linkages and covering the period from 2011 to 2018. The empirical results suggest that the value added created by fishery and related industries accounted for 2.96% of the GDP in 2011, which rose to 3.11% in 2014, fell to 2.87% in 2015, rose to 2.93% in 2017, and fell to 2.84% in 2018. From 2011 to 2018, the amount of value added created by fisheries and related industries rose from NT$ 422.8 billion to NT$ 520.9 billion. The primary fishery sector has the largest contribution, followed by the fishery input sector, and transportation and sale service sector, and the fishery product processing sector has the lowest contribution rate. The empirical results provide important implications and references to the policy makers. Full article
(This article belongs to the Special Issue Synergistic Effects of Hydroclimate and Fisheries)
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