A comprehensive index for assessing the sustainable blue economy: A Japanese application

IF 4.8 2区 环境科学与生态学 Q1 OCEANOGRAPHY Ocean & Coastal Management Pub Date : 2024-10-04 DOI:10.1016/j.ocecoaman.2024.107401
Yutian Ding, Shigeru Tabeta
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Abstract

The sustainable blue economy is crucial for coastal regions. It not only fosters economic development along the coastlines but also reduces their impact on marine environments and ecosystems. This will be a significant economic growth point for coastal areas in future decades. However, comprehensive research on assessing the blue economy is currently limited; existing evaluation methods are few and may not be applicable to all contexts. This study introduces the Blue Economy Index (BEI), a novel framework for evaluating the sustainable blue economy, and applies it in Japan's 39 coastal prefectures. Grounded in multi-dimensional analysis, the BEI includes four sectors: Ocean Resources and Marine Industry, Environmental and Ecological Sustainability, Socio-Economic Stability, and Risk Management. Utilizing Japan's prefectural data and addressing regional disparities, the index applies four weighting scenarios—Equalitarianism, Preservationist, Sustainable Use, and Extractive Use—to reflect different developmental strategies. The result indicates a significant imbalance in blue economy development across prefectures, with leading regions like Hokkaido, Tokyo, and Okinawa vastly outpacing others such as Ibaraki and Tottori. Additionally, the development status in 39 coastal prefectures in Japan demonstrates the cluster phenomenon and exhibits a '2 high, 3 middle, 1 low' development pattern, which comprises two extraordinary clusters and four distinctive clusters. We propose to implement zonal management for Japan's Exclusive Economic Zone (EEZ) and establish a National Ocean Agency. Promoting committee-based regional management, provide corresponding subsidies to enhance capacity building. Additionally, and drive the digital transformation in the marine sector through quantifiable indicators as BEI. The study underscores the necessity for improving current policy and regulation, as well as promoting inter-prefectural collaboration to boost the development of the blue economy. The BEI's comprehensive approach offers an example of global sustainable blue economy assessments. Policymakers and stakeholders in other countries can flexibly use and adjust the BEI method to conduct appropriate regional assessments and develop quantifiable strategies to improve the potential of marine sectors.
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评估可持续蓝色经济的综合指数:日本的应用
可持续的蓝色经济对沿海地区至关重要。它不仅能促进沿海地区的经济发展,还能减少对海洋环境和生态系统的影响。这将是沿海地区未来几十年的重要经济增长点。然而,目前对蓝色经济评估的全面研究还很有限;现有的评估方法很少,而且可能不适用于所有情况。本研究介绍了蓝色经济指数(BEI)这一评估可持续蓝色经济的新框架,并将其应用于日本的 39 个沿海都道府县。以多维分析为基础,BEI 包括四个领域:海洋资源和海洋产业、环境和生态可持续性、社会经济稳定性和风险管理。该指数利用日本都道府县的数据,针对地区差异,采用了四种权重方案--平等主义、保护主义、可持续利用和开采利用,以反映不同的发展战略。结果表明,各都道府县的蓝色经济发展严重失衡,北海道、东京和冲绳等领先地区远远超过茨城和鸟取等其他地区。此外,日本 39 个沿海都道府县的发展状况呈现出集群现象,呈现出 "两高、三中、一低 "的发展格局,即两个超常规集群和四个特色集群。我们建议对日本专属经济区(EEZ)实行分区管理,并设立国家海洋局。推进以委员会为基础的区域管理,提供相应补贴,加强能力建设。此外,通过可量化的指标(如 BEI)推动海洋部门的数字化转型。该研究强调,有必要改进现行政策和法规,并促进各县之间的合作,以推动蓝色经济的发展。BEI 的综合方法为全球可持续蓝色经济评估提供了一个范例。其他国家的政策制定者和利益相关者可以灵活运用和调整 BEI 方法,进行适当的区域评估,并制定可量化的战略,以提高海洋部门的潜力。
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来源期刊
Ocean & Coastal Management
Ocean & Coastal Management 环境科学-海洋学
CiteScore
8.50
自引率
15.20%
发文量
321
审稿时长
60 days
期刊介绍: Ocean & Coastal Management is the leading international journal dedicated to the study of all aspects of ocean and coastal management from the global to local levels. We publish rigorously peer-reviewed manuscripts from all disciplines, and inter-/trans-disciplinary and co-designed research, but all submissions must make clear the relevance to management and/or governance issues relevant to the sustainable development and conservation of oceans and coasts. Comparative studies (from sub-national to trans-national cases, and other management / policy arenas) are encouraged, as are studies that critically assess current management practices and governance approaches. Submissions involving robust analysis, development of theory, and improvement of management practice are especially welcome.
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