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Oceans Sustainability: Perspectives to Manage Seas Activities and Coastal Areas

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A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Environmental Sustainability and Applications".

Deadline for manuscript submissions: closed (26 March 2023) | Viewed by 6272

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Special Issue Editor

Dr. José Antonio Filipe

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Guest Editor

ISCTE – Instituto Universitário de Lisboa, 1649-004 Lisboa, Portugal
Interests: mathematics; statistics; stochastic processes—queues and applied probabilities; game theory; application of quantitative methods to economics; management; finance; and social problems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Oceans are key contributors for the future of the global economy and are crucial for the balance of Earth's ecosystems. Ocean sustainability requires approaches to manage sea resources and the activities and services they provide. It is clear today that sea resources need healthy ecosystems and sustainable economic activities. Scientific studies can contribute to insuring sustainable solutions for marine-based human activities and for reducing the negative impacts of human actions on an ocean basis, whether they are ocean assets or the projected effects on Earth's ecosystems as a whole. In our Special Issue, we search for studies that allow the promotion of this perspective, allowing a sustainable development of ocean economies and marine-based human activities with impacts on Earth ecosystems.

Prof. Dr. José Antonio Filipe
Guest Editor

Manuscript Submission Information

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Keywords

Ocean
Marine-based activities
Fisheries
Sustainable activities
Economic development
Ocean sustainability
Marine resources
Aquaculture
Energy
Transportation
Biodiversity
Ecosystem
Welfare
Living environment
Preservation
Conservation
Coastal areas
Coastal population
Coastal development
Tourism
Pollution
Punishment
Overexploitation
Resilience
Innovation

Published Papers (3 papers)

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Research

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9 pages, 226 KiB

Open AccessArticle

The Concept of Ocean Sustainability in High School: Measuring the Ocean Literacy of Vocational High School Students in Indonesia

by Cheng-Chieh Chang, Liang-Ting Tsai and Dwi Meliana

Sustainability 2023, 15(2), 1043; https://doi.org/10.3390/su15021043 - 06 Jan 2023

Cited by 2 | Viewed by 1357

Abstract

In this study, we used propositional concept maps with different ocean-related conceptual sentences to assess the ocean literacy of maritime vocational high school students in Grades 10–12 in Indonesia. Indonesia is the world’s largest archipelagic country, and many aspects of people’s lives, including their jobs, are related to the ocean. Therefore, it is crucial to assess the ocean literacy and related knowledge of students, especially maritime vocational high school students. Thus, in this study, an open-ended questionnaire was employed to acquire data from 255 students at the National Vocational High School 1 Temon in Yogyakarta, Indonesia. A total of 215 males and 40 females participated in this study. In addition to descriptive analysis, we used a one-way analysis of variance and a t-test for statistical inference. The results showed that 11th and 12th graders scored significantly higher in ocean literacy than 10th graders, and female students significantly outperformed male students. Furthermore, student learning was teacher-centered. In this paper, we summarize the results and provide suggestions and references concerning ocean literacy for teachers and high school students. Full article

(This article belongs to the Special Issue Oceans Sustainability: Perspectives to Manage Seas Activities and Coastal Areas)

13 pages, 7983 KiB

Open AccessArticle

Impact of Suspended Sediment Diffusion from the Implementation of Arresting Facilities on Cross-Sea Bridges

by Peng Chen, Yuting Li, Jiaxing Wu, Ruijie Li, Zhiyao Song and Lu Dai

Sustainability 2022, 14(15), 9559; https://doi.org/10.3390/su14159559 - 03 Aug 2022

Viewed by 1062

Abstract

In order to ensure the safety of bridges and ships, non-navigable channel arresting facilities for ships have become an important part of cross-sea bridges, and the diffusion of suspended sediment caused by their implementation has an impact on seawater quality. Taking the Jintang bridge as an example, a two-dimensional tidal current and sediment numerical model was applied to predict the distribution of suspended sediment diffusion caused by the implementation of arresting facilities, in order to analyze seawater quality. We adopted a new formula for the equivalent roughness method, to generalize the bridge piers, and obtained good results. The results showed that the zone where the SSC (suspended sediment concentration) reached 10 mg/L was concentrated in the area from 4.5 km north to 6.5 km south of the arresting facility, when it was implemented near the western channel. The sea area by the main channel was concentrated within 500 m of the arresting facility. The impact of the implementation of the arresting facility on seawater quality was relatively limited. Only the protected marine area in the Zhenhai Section of the Hangzhou Bay Estuary Coastal Wetland was affected by the suspended sediment from the construction of the western channel. Full article

(This article belongs to the Special Issue Oceans Sustainability: Perspectives to Manage Seas Activities and Coastal Areas)

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Review

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17 pages, 2076 KiB

Open AccessReview

Developing the Use of Wool Rope within Aquaculture—A Systematic Review

by Katherine Elizabeth Drury and Felicity Victoria Crotty

Sustainability 2022, 14(15), 9011; https://doi.org/10.3390/su14159011 - 22 Jul 2022

Viewed by 2780

Abstract

To date, wool is an underutilised sustainable resource that has the potential to reduce the use of plastic within the environment. Wool can be manufactured as rope, but is this a viable innovation? To gain a comprehensive understanding of the economic viability of utilising wool rope in seaweed aquaculture, a systematic literature review was undertaken. The review focuses on wool, rope, natural and man-made fibres and seaweed farming, and used bibliometric and content analysis of peer-reviewed papers, with no timeframe requirements. It is important to explore alternative materials to reduce marine rope pollution; ghost gear, microplastics from abrasion and plasticrusts are now believed to be significant ecological problems. To date, the production of wool rope is limited, and its strength and durability within the fishing industry remain untested. It is important to understand whether wool rope is a useful alternative: does it have the same tensile strength, and can it be used within the industry without the risk of damage to the environment? There is currently a lack of research on natural rope fibres, resulting in limited access to commercial rope alternatives being used within the industry. This systematic review shows that there has been a large gap in wool research, with limited publications in recent years; however, the drive to increase sustainability (particularly within the marine environment) has increased. This is the first paper that combines both topics within one research study. Further research is needed to identify whether wool rope will provide a feasible alternative to polypropylene in terms of strength and durability, and how wool rope will perform, the length of time it can provide optimum service and within which seaweed farming practice it can offer a practical alternative to polypropylene. Full article

(This article belongs to the Special Issue Oceans Sustainability: Perspectives to Manage Seas Activities and Coastal Areas)

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