Hugo Aguirre-Villaseñor , David Petatán-Ramírez , Hem Nalini Morzaria-Luna , Mariana Walther , Zoila Mariruth Rodríguez-Flores , Noemi Itzel Zamora-García , Ada Lisbeth Núñez-Orozco , Aldrin Labastida-Che , Martha Edith Zarate-Becerra , Marcela S. Zuñiga Flores , Elaine Espino-Barr
{"title":"Impacts of climate change on the distribution of the Pacific red snapper (Lutjanus peru) in Mexico","authors":"Hugo Aguirre-Villaseñor , David Petatán-Ramírez , Hem Nalini Morzaria-Luna , Mariana Walther , Zoila Mariruth Rodríguez-Flores , Noemi Itzel Zamora-García , Ada Lisbeth Núñez-Orozco , Aldrin Labastida-Che , Martha Edith Zarate-Becerra , Marcela S. Zuñiga Flores , Elaine Espino-Barr","doi":"10.1016/j.ocecoaman.2025.107601","DOIUrl":"10.1016/j.ocecoaman.2025.107601","url":null,"abstract":"<div><div>In Mexico, the marine finfish fishery is multi-specific, and its effort is directed to species of commercial interest. The snappers group stands out with the species <em>Lutjanus peru</em>, which is most valued in the Mexican Pacific Ocean. The snapper fishery lacks specific regulatory measures for its management and is threatened by overfishing and climate change. The impact of climate change is one of the main challenges for marine species and coastal communities whose livelihoods depend on fisheries presence and abundance. Predictions indicate a migration of tropical species to the poles, so it is crucial to generate scenarios that forecast future changes in these fishery resources and generate adaptation measures for the communities that depend on them. Our study aimed to evaluate climate change impacts on the snapper fishery through ecological niche modeling and habitat suitability models. We modeled the future distribution of <em>L. peru</em> for 2050 and 2100 under two climate change scenarios (SSP126 and SSP585) and analyzed the impact on the fisheries from distribution changes and the dependence of this resource by coastal communities according to official catch records in the fishery offices along the Mexican Pacific. The results show that in the worst scenario (SSP585 to 2100), the zones with the highest and moderate negative impacts are located in around 24 fishery offices where 68% of the catch and 72% of the income occur, increasing the vulnerability of fishing communities due to the reduction in catches and greater fishing effort to compensate for losses. However, most models indicate low and positive impacts, as an increase in the species’ presence is expected in the northern Mexican Pacific Ocean due to a temperature rise. When allocated appropriately, government subsidies can strengthen resilience of fishing communities, by prioritizing the most vulnerable communities and users. Subsidies should focus on eliminating poverty and hunger, decreasing inequality, and promoting mitigation and adaptation in the face of climate change impacts.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"264 ","pages":"Article 107601"},"PeriodicalIF":4.8,"publicationDate":"2025-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143620353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Xander Keijser , Hilde Toonen , Igor Mayer , Jan P.M. van Tatenhove
{"title":"Gaming Across Boundaries: The MSP challenge as boundary object for learning in maritime spatial planning communities","authors":"Xander Keijser , Hilde Toonen , Igor Mayer , Jan P.M. van Tatenhove","doi":"10.1016/j.ocecoaman.2025.107590","DOIUrl":"10.1016/j.ocecoaman.2025.107590","url":null,"abstract":"<div><div>Maritime Spatial Planning (MSP) is a politically guided and stakeholder-driven process involving a range of actors (i.e., planners, stakeholders, scientists, and citizens). Theories of boundary objects offer a lens to understand how actors, in the context of decision and policy-making in organizations, can coordinate without consensus. This seems particularly relevant when institutions and communities are relatively young, and the body of knowledge is fragmented and fluid, such as in the case of MSP. A key question is whether, and how boundary objects can be intentionally designed and used to facilitate social and policy learning in such communities. In this research, the focus is on the use of the MSP Challenge serious games as a boundary object to facilitate learning in ‘Communities of Practice’ (CoP) around MSP. Data were collected through questionnaires of 62 MSP Challenge workshops between 2016 and 2020 with more than 1100 participants. Additionally, 33 interviews with key stakeholders were conducted. The findings show that the MSP Challenge is widely used for various goals and in various settings and that they are interpreted differently by different users. The success of the MSP Challenge relies on the boundary space in which it is implemented, taking into account discrepancies in learning due to variations in the backgrounds and attitudes of the participants towards the object, the activity, and the setting in which it is deployed.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"264 ","pages":"Article 107590"},"PeriodicalIF":4.8,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143620351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Andrea Copping , Daniel Wood , Bob Rumes , Ee Zin Ong , Lars Golmen , Rachel Mulholland , Olivia Harrod
{"title":"Effects and management implications of emerging marine renewable energy technologies","authors":"Andrea Copping , Daniel Wood , Bob Rumes , Ee Zin Ong , Lars Golmen , Rachel Mulholland , Olivia Harrod","doi":"10.1016/j.ocecoaman.2025.107598","DOIUrl":"10.1016/j.ocecoaman.2025.107598","url":null,"abstract":"<div><div>Offshore renewable energy technologies are being tested and deployed around the world to mitigate climate change and to bring clean sustainable energy to remote locations. The trend is being led by the development of offshore wind, with energy from waves, tides, and large run of the river turbines also increasing. However, there are additional marine renewable energy technologies that will help to fill in gaps of availability and location for power production. These emerging technologies are generally less well known, including ocean thermal energy conversion, seawater air conditioning, power from salinity gradients, and floating solar photovoltaics (floatovoltaics). Coupled with each of these power production systems is the need for energy systems at sea to aid in storage and transport of the energy. There is little known about the potential environmental effects of these emerging technologies or undersea energy storage, or how they might best be managed. This paper describes the new technologies and explores the potential effects on the marine environment and wildlife and recommends approaches to their management.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"264 ","pages":"Article 107598"},"PeriodicalIF":4.8,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143610829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Murat Alkaç , Devran Yazır , Yunus Emre Senol , Ünal Özdemir
{"title":"A novel risk analysis approach for the liquefication of nickel ore cargo using fault tree analysis integrated failure mode and effect analysis","authors":"Murat Alkaç , Devran Yazır , Yunus Emre Senol , Ünal Özdemir","doi":"10.1016/j.ocecoaman.2025.107617","DOIUrl":"10.1016/j.ocecoaman.2025.107617","url":null,"abstract":"<div><div>Liquefaction is the phenomenon in which a material with soil-like properties rapidly transitions from a solid, dry state to a nearly fluid state, posing significant risks to maritime safety. This study employs Fuzzy Fault Tree Analysis (FFTA) and Failure Mode and Effect Analysis (FMEA) to systematically evaluate the risks associated with nickel ore liquefaction. The data were derived from expert consultations, literature review, and theoretical modeling to ensure a robust assessment framework. The analysis revealed that the probability of nickel ore liquefaction is 0.1192, with human-related factors contributing to approximately 54% of all risks. Additionally, the integration of severity and detectability values identified ‘leaking from hatch cover rubbers' as the most critical failure mode, emphasizing the need for enhanced monitoring and crew training. This study uniquely integrates FFTA and FMEA to address human-factor-driven risks in maritime transportation. Unlike existing approaches, this dual-framework method prioritizes failure modes based on both probabilistic and consequence-based analyses, offering actionable insights for improving maritime safety. Compared to traditional methods, the proposed framework provides a comprehensive risk prioritization by integrating probabilistic analysis with consequence evaluation, allowing for more precise risk mitigation strategies.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"264 ","pages":"Article 107617"},"PeriodicalIF":4.8,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143610828","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Impact of temporal community-led marine protected areas on fishery income in southern Thailand","authors":"Kunlayanee Pornpinatepong, Sukampon Chongwilaikasaem, Sinad Treewanchai, Sakchai Kiripat, Sopin Jirakiattikul, Papitchaya Saelim, Chalerm Jaitang","doi":"10.1016/j.ocecoaman.2025.107618","DOIUrl":"10.1016/j.ocecoaman.2025.107618","url":null,"abstract":"<div><div>This study examined the impact of temporal community-led marine protected areas (tCMPAs) on the fishery income of small-scale fishing households in southern Thailand. These fishing communities encounter numerous challenges, including destructive fishing practices, environmental degradation, and limited market access, jeopardizing their livelihoods. As a bottom–up approach to marine conservation and fisheries management, tCMPAs have been implemented across Thailand with promising results, such as increased fish diversity and abundance. However, their effects on fishing income require further investigation. This study assessed the impact of tCMPAs on fishery income in Nakhon Si Thammarat (treatment/tCMPA group) and Songkhla (control/non-tCMPA group) through a household survey. The propensity score matching analysis revealed a statistically significant increase in fishery productivity values in the tCMPA regions. The robustness of the findings was confirmed using the difference-in-differences method on a different dataset. The study highlights perceived improvements in fish catch trends and fish size among households in the tCMPA group; in contrast, no improvements were observed in the control group. Decentralizing fishing control through community-based management is a practical and effective strategy for coastal resource management. We recommend its broader adoption for sustainable fishery practices.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"264 ","pages":"Article 107618"},"PeriodicalIF":4.8,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143610747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Systematic analysis and optimization of operational delay factors in port supply chains using a hybrid DEMATEL-OPA-DGRA approach","authors":"Negar Karimi , Ehsan Javanmardi , AhmadReza Nadaffard , Francesco Facchini","doi":"10.1016/j.ocecoaman.2025.107620","DOIUrl":"10.1016/j.ocecoaman.2025.107620","url":null,"abstract":"<div><div>Amid global supply chain disruptions, seaports play a critical role in maintaining goods flow. However, operational delays remain a key challenge in port supply chains. This study systematically identifies and ranks factors contributing to these delays using a hybrid methodology that combines the Decision-Making Trial and Evaluation Laboratory (DEMATEL), the Ordinal Priority Approach (OPA), and Dynamic Grey Relational Analysis (DGRA). Five main criteria of operational delays in ports were assessed: port management, shipping and navigation, port terminal operator, customs, and cargo owners. The study's results identified 'Poor management of goods flow' and 'Customs-related issues' within port management as the most critical factors contributing to delays. Additionally, 'Ship structure' and 'Late arrival of ships' were highlighted as significant contributors under the shipping and navigation category. Notably, 'Operational cost optimization' and 'Expertise of operational staff' were found to be pivotal in the port terminal operator category, reflecting their substantial impact on operational efficiency. This study reveals interdependencies among delay factors and highlights essential intervention points to enhance port functionality. The findings suggest strategies to improve global trade efficiency and economic stability in coastal regions through better supply chain management, ultimately enhancing port resilience by enabling more robust and reliable operations during disruptions.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"263 ","pages":"Article 107620"},"PeriodicalIF":4.8,"publicationDate":"2025-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143580728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Structural analysis and robustness assessment of global LNG transport network from 2013 to 2023","authors":"Yang Xu , Peng Peng , Xiaowei Xie , Feng Lu","doi":"10.1016/j.ocecoaman.2025.107619","DOIUrl":"10.1016/j.ocecoaman.2025.107619","url":null,"abstract":"<div><div>Liquefied natural gas (LNG) is a critical component of the global sustainable energy industry, with substantial implications for global energy development. Although the maritime transportation system has played an important role in promoting global LNG trade, it remains highly vulnerable to international political events, major disasters, and other emergencies. To better understand the robustness and security of the global LNG transport system, this study provides a new analysis paradigm for evaluating the robustness of the LNG transport network in the face of disruptive events. We examine a variety of network parameters for the global LNG transport network between 2013 and 2023 to capture changes in topological structure and evolution. Then, we introduce three centrality indices which can capture distinct characteristics of the maritime ports including connectivity, transfer, and cohesion, and combine these three centralities into a TOPSIS framework to achieve a multidimensional port centrality for identifying essential ports. Finally, we evaluate the robustness of the LNG transport network against several sequential intentional attacks using diverse strategies. We found that we can loosely separate the collapse process of the LNG transport network into three stages: initial collapse, ongoing fragmentation, and final collapse. In 2013, intentional attacks based on degrees and TOPSIS centralities were the most likely to cause the LNG transport network to collapse. In 2023, intentional attacks based on betweenness and TOPSIS centralities are the most likely to cause the LNG transport network to collapse, and the LNG transport network is more robust than it was in 2013.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"263 ","pages":"Article 107619"},"PeriodicalIF":4.8,"publicationDate":"2025-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143580277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Are efficient ports for port operators also those for shipping companies? A meta-frontier analysis of global top 80 container ports","authors":"Jing Zhang , Meifeng Luo , Dong Yang","doi":"10.1016/j.ocecoaman.2025.107616","DOIUrl":"10.1016/j.ocecoaman.2025.107616","url":null,"abstract":"<div><div>Ports operate in complex environments, each with a unique operating context and multiple stakeholders. Considering port heterogeneity, this paper classifies the world's top 80 container ports into homogenous groups and employs the meta-frontier Data Envelopment Analysis (DEA) method to assess their efficiency. Recognizing the different interests of port operators and shipping companies in port, we incorporate relevant variables for the two stakeholders and compare the port efficiencies evaluated from the two perspectives. The findings are achieved with a dataset comprising port data collected from Lloyd's List, IHS Markit, and Google Earth, alongside ships' data extracted from the Automatic Identification System (AIS). The analysis reveals the disparities in port efficiency among different stakeholders and across different port sizes. Among the 80 container ports, only 4 achieved dual efficiency, while 17 were identified as one-sided frontier ports. Large ports demonstrate relatively consistent efficient performance from both perspectives, benefiting from economies of scale and efficient service delivery. In contrast, small and middle-size ports show inconsistent or even opposing efficiency performance when evaluated by port operators and shipping companies, with many exhibiting low levels of resource utilization or service delivery. This study provides a reference for port operators and shipping companies to enhance overall efficiency.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"263 ","pages":"Article 107616"},"PeriodicalIF":4.8,"publicationDate":"2025-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143580729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Anasia Elingaya Saria , Xiuzhen Li , Alfonse Dubi , Michael Elias Mgalula , Jinzhou Du
{"title":"Spatio-temporal land use change and loss of mangrove forest in two coastal cities in Tanzania and the perceived implications on provisioning of ecosystem services","authors":"Anasia Elingaya Saria , Xiuzhen Li , Alfonse Dubi , Michael Elias Mgalula , Jinzhou Du","doi":"10.1016/j.ocecoaman.2025.107604","DOIUrl":"10.1016/j.ocecoaman.2025.107604","url":null,"abstract":"<div><div>Mangroves supply a diverse range of products and ecological services, both locally and globally. However, our understanding of the anthropogenic drivers of land use change and mangrove loss, as well as loss of ecosystem services in Tanzanian coastal cities is limited. We conducted a study in two selected estuaries: Mtoni in Dar es Salaam and Kisiju in the Pwani area. We determined spatio-temporal land use change in 1980, 2000, and 2020, and conducted socioeconomic questionnaires to examine change drivers and perceived implications on ecosystem services provisioning. We revealed that over the last four decades, there have been considerable changes in land use that resulted in mangrove losses or transitions to the other cover type. The closed mangroves in the Mtoni estuary decreased by −95.63 ha from 1980 to 2000, and -109.87 ha from 2000 to 2020. In the Kisiju estuary from 1980 to 2000, the fraction of closed mangroves declined by −74.5 ha and 23.5 ha between 2000 and 2020. The emergence of open mangroves by different fractions is a result of losses occurred on closed mangroves through forest clearing for charcoal production, firewood, and building resulting in barren land. The attributing drivers of change population growth and the associated unsustainable land use practices related to farming, cutting trees for charcoal making, fuelwood, and building materials. Climate change events such as storms, rising sea levels and temperatures as well as flood events have contributed to death of mangroves. The loss of ecosystem services such as reduced fish catch, deterioration of critical breeding grounds for fish, exposure to flood hazards, storms and sedimentation are the perceived outcomes of the loss of mangroves and unsustainable land use change. The loss of mangroves has reduces their ability to protect coastal communities from flooding and loss of the potential to sequester carbon and mitigate climate change. Our findings, recommended for improving mangrove conservation and adaptive integrated approaches are needed to conserve these important ecosystems.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"263 ","pages":"Article 107604"},"PeriodicalIF":4.8,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143562154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Improving the level of land‒sea coordination: An integrated framework for identifying and assessing conflicts in coastal areas","authors":"Jianchun Li , Xiaoyu Zhou , Yanbo Qu , Wenhua Yuan","doi":"10.1016/j.ocecoaman.2025.107600","DOIUrl":"10.1016/j.ocecoaman.2025.107600","url":null,"abstract":"<div><div>Urbanized coastal areas face both resource-use and spatial conflicts as a result of rapid development. To improve the level of land‒sea coordination (LSC), a new integrated framework is proposed in this paper for identifying and assessing conflicts, which are termed \"point-line-surface\" conflicts, on the basis of morphological characteristics. Point conflicts are focused on conflicts in reality, while the other conflict types involve potential conflicts in spatial planning. Drawing upon diverse sources of statistical data concerning land and marine use survey results and spatial plans, we use a general conflict matrix, a geographic grid approach and spatial data analysis to quantitatively measure the intensity and spatial distribution of coastal conflicts. A case study in Laizhou, a county-level coastal city in China, is used to demonstrate this framework. The results show that point conflicts mainly exist between water and wetlands (UWW) and fishery (UF) and between industrial and mining (UIM) and UF. Line conflicts show that the conflict between marine spatial planning (MSP) and urban spatial planning (USP) is greater than that between land spatial planning (LSP) and USP, and surface conflicts indicate that functional zones with high externalities are mainly concentrated near central towns and industrial clusters. The optimization of existing land and ocean use patterns and the coordination of different spatial plans might serve as effective approaches for improving LSC in coastal areas.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"263 ","pages":"Article 107600"},"PeriodicalIF":4.8,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143550572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}