Ocean & Coastal Management最新文献

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Coastal resident's perceptions and attitudes of the visual impacts of oyster aquaculture cultivation methods along the Atlantic coast of the US 美国大西洋沿岸沿岸居民对牡蛎养殖方法视觉影响的认知和态度
IF 5.4 2区 环境科学与生态学
Ocean & Coastal Management Pub Date : 2026-01-01 Epub Date: 2025-10-07 DOI: 10.1016/j.ocecoaman.2025.107951
Kelsey M. Schultz , Steven B. Scyphers , A. Randall Hughes , David L. Kimbro , Stephen Kirk , Jonathan H. Grabowski
{"title":"Coastal resident's perceptions and attitudes of the visual impacts of oyster aquaculture cultivation methods along the Atlantic coast of the US","authors":"Kelsey M. Schultz ,&nbsp;Steven B. Scyphers ,&nbsp;A. Randall Hughes ,&nbsp;David L. Kimbro ,&nbsp;Stephen Kirk ,&nbsp;Jonathan H. Grabowski","doi":"10.1016/j.ocecoaman.2025.107951","DOIUrl":"10.1016/j.ocecoaman.2025.107951","url":null,"abstract":"<div><div>The aesthetic and recreational values of coastal marine ecosystems are important factors contributing to coastal residents’ overall health and well-being. Consequently, proposed changes to these landscapes—such as shellfish aquaculture—can face opposition from stakeholders with strong personal and emotional attachments to coastal environments. Incorporating public perceptions into aquaculture planning may help define the acceptable scale and scope of development, reducing the likelihood of conflict. To assess attitudes and perceptions of cultivation methods and gear used in shellfish aquaculture, we surveyed residents along the Eastern United States (US) coast using an online survey through Qualtrics panels. Our findings revealed that coastal residents preferred aquaculture gear with lower visual impacts; however, residents with higher aquaculture knowledge and familiarity with gear types had more favorable perceptions and exhibited relatively equal preferences for all gear types regardless of their vertical relief in the water column. Furthermore, participants who spent more time on the shoreline or in coastal waters gave higher visual scores for cultivation methods and exhibited greater familiarity and knowledge of aquaculture than those who spent less time on the water. These findings have important management implications, as they can help inform both aquaculture farmers and coastal managers on how to mitigate potential conflict with future farm siting and permitting. Farms that utilize gear with limited impacts on the aesthetic and recreational value while maximizing potential environmental benefits are likely to increase synergy between farm operations, ecosystem health, and the well-being of coastal residents, especially in areas with higher potential for user conflict.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"271 ","pages":"Article 107951"},"PeriodicalIF":5.4,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145269732","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}
引用次数: 0
Finding common ground: Assessing the Co-location potential of California's blue food and clean energy sectors 寻找共同点:评估加州蓝色食品和清洁能源部门的共同定位潜力
IF 5.4 2区 环境科学与生态学
Ocean & Coastal Management Pub Date : 2026-01-01 Epub Date: 2025-11-10 DOI: 10.1016/j.ocecoaman.2025.108009
Claire Gonzales , Grace Wu , Halley Froehlich
{"title":"Finding common ground: Assessing the Co-location potential of California's blue food and clean energy sectors","authors":"Claire Gonzales ,&nbsp;Grace Wu ,&nbsp;Halley Froehlich","doi":"10.1016/j.ocecoaman.2025.108009","DOIUrl":"10.1016/j.ocecoaman.2025.108009","url":null,"abstract":"<div><div>California is striving to expand its ‘blue economy’ to meet growing demand for marine resources, including seafood and renewable energy. As a result, there has been a growing competition for ocean space. Co-location, multiple sectors (e.g., aquaculture and renewable energy) operating in the same ocean space at the same time, is one potential approach that can reduce competition amongst stakeholders. However, there has been limited quantitative investigation into the potential of co-located systems along the California coast. Using a combination of observation and model outputs across four ocean sectors (aquaculture, wave energy, wind energy and wild capture fisheries), we quantify the co-location suitability of at least two of the sectors along the California coast (0.0404° resolution) by calculating a Co-location Suitability (CLS) score (0 – no suitability to 1 – perfect suitability). We find a clear trend of higher CLS scores in the waters offshore of Northern California, but the steep bathymetry limits the potential for aquaculture and wave production based on current technological and/or cost constraints. Notably, we find climate extreme thermal events, (i.e., marine heatwaves) will likely exacerbate regional differences in suitability with typically cooler Northern regions performing better. This research provides an initial framework for evaluating co-location potential and its ability to increase the efficiency of marine space-use in crowded seascapes in California waters and beyond.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"272 ","pages":"Article 108009"},"PeriodicalIF":5.4,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145520467","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}
引用次数: 0
Historical evidence of marine megafauna declines along the Brazilian coast 巴西海岸海洋巨型动物数量减少的历史证据
IF 5.4 2区 环境科学与生态学
Ocean & Coastal Management Pub Date : 2026-01-01 Epub Date: 2025-11-15 DOI: 10.1016/j.ocecoaman.2025.108016
Carine O. Fogliarini, Mariana G. Bender
{"title":"Historical evidence of marine megafauna declines along the Brazilian coast","authors":"Carine O. Fogliarini,&nbsp;Mariana G. Bender","doi":"10.1016/j.ocecoaman.2025.108016","DOIUrl":"10.1016/j.ocecoaman.2025.108016","url":null,"abstract":"<div><div>Human activities have transformed marine ecosystems over millennia, leaving profound impacts on their natural state. Understanding past marine conditions provide essential baselines for assessing the scale and consequences of these long-term changes. This study sheds light on the understudied Southwestern Atlantic, where historical data on marine ecosystems are scarce, despite the region's extensive history of seafaring and coastal exploitation. We analyzed 255 historical records of Brazilian marine megafauna (including bony fishes, whales, and manatees) derived from naturalists' accounts, reports, artworks, and journals dating from 1500 to 1911, to reconstruct the recent past of coastal marine ecosystems in the region. We then compared historical information on body sizes and catches with contemporary data to reveal temporal trends across megafauna groups. Whaling persisted for over 380 years along the Brazilian coast, with a significant decline in catches until the practice was banned in 1986. Manatee hunting intensified from the early 1800s, with annual captures increasing throughout the 20th century, leading to population collapse by 1973. In 1870, historical records document grouper landings of 2560 to 3200 tons in a single region, reflecting immense fishing pressure, with catch levels continuing to rise until declines were observed in the early 2000s. Additionally, historical accounts indicate that species such as Atlantic tarpon (<em>Megalops atlanticus</em>) and cobia (<em>Rachycentron canadum</em>) attained larger body sizes in the past compared to present-day individuals, likely due to selective fishing pressure on larger specimens. These findings demonstrate the value of historical data in revealing overlooked baselines and highlight the urgent need to consider long-term (spanning decades to centuries) ecological perspectives in the conservation of the Southwestern Atlantic's marine biodiversity.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"272 ","pages":"Article 108016"},"PeriodicalIF":5.4,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145520465","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}
引用次数: 0
A framework for an effective nationwide seagrass data collection: a case study for Indonesia 有效的全国海草数据收集框架:印度尼西亚案例研究
IF 5.4 2区 环境科学与生态学
Ocean & Coastal Management Pub Date : 2026-01-01 Epub Date: 2025-10-18 DOI: 10.1016/j.ocecoaman.2025.107968
Nurul Dhewani Mirah Sjafrie , Udhi Eko Hernawan , Pramaditya Wicaksono , Doddy M. Yuwono , Novi Susetyo Adi , Muhammad Hafizt , Muhammad Banda Selamat , Bayu Prayudha , Setiawan Djody Harahap , Huwaida Nur Salsabila , Jennifer Wijaya , Sofia Yuniar Sani , Rohani Ambo-Rappe , Chris Roelfsema
{"title":"A framework for an effective nationwide seagrass data collection: a case study for Indonesia","authors":"Nurul Dhewani Mirah Sjafrie ,&nbsp;Udhi Eko Hernawan ,&nbsp;Pramaditya Wicaksono ,&nbsp;Doddy M. Yuwono ,&nbsp;Novi Susetyo Adi ,&nbsp;Muhammad Hafizt ,&nbsp;Muhammad Banda Selamat ,&nbsp;Bayu Prayudha ,&nbsp;Setiawan Djody Harahap ,&nbsp;Huwaida Nur Salsabila ,&nbsp;Jennifer Wijaya ,&nbsp;Sofia Yuniar Sani ,&nbsp;Rohani Ambo-Rappe ,&nbsp;Chris Roelfsema","doi":"10.1016/j.ocecoaman.2025.107968","DOIUrl":"10.1016/j.ocecoaman.2025.107968","url":null,"abstract":"<div><div>Seagrass is globally important in supporting food security, mitigating climate change, and supporting biodiversity. Despite the growing conservation efforts, seagrass ecosystems remain under significant anthropogenic pressures, leading to degradation globally. Effective management strategies to reverse the degradation require comprehensive data and information regarding the current state of these ecosystems. Collecting seagrass data has been particularly challenging for a large archipelagic country, such as Indonesia, resulting in a fragmented and limited dataset scattered among various stakeholders. In this paper, we described how a multi-stakeholder collaboration could address the challenges associated with seagrass data collection in such regions, using Indonesia as a case study. We assessed the strategies employed to overcome the barriers and discussed the role of each party in the multi-stakeholder collaboration in improving the capacity for data collection, mapping, and monitoring seagrass ecosystems in Indonesia. The results showed that the strategy was effective, and the key factors include establishing partnerships, standardizing data collection methods, stakeholder mapping, and capacity building. In conclusion, this study proposed a seagrass data collection framework by promoting multi-stakeholder collaboration at a national level, which could be adapted for use in other countries facing similar challenges. The approach is expected to yield standardized and reliable nationwide data on seagrass ecosystems, thereby supporting effective management against the increasing anthropogenic pressures and rapid environmental change.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"271 ","pages":"Article 107968"},"PeriodicalIF":5.4,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145325052","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}
引用次数: 0
Automated knowledge extraction from marine accident reports using large language models: Graph construction and evaluation 基于大型语言模型的船舶事故报告知识自动提取:图的构建与评价
IF 5.4 2区 环境科学与生态学
Ocean & Coastal Management Pub Date : 2026-01-01 Epub Date: 2025-11-25 DOI: 10.1016/j.ocecoaman.2025.108015
Yujie Huang , Ran Yan , Zhipeng Zhang
{"title":"Automated knowledge extraction from marine accident reports using large language models: Graph construction and evaluation","authors":"Yujie Huang ,&nbsp;Ran Yan ,&nbsp;Zhipeng Zhang","doi":"10.1016/j.ocecoaman.2025.108015","DOIUrl":"10.1016/j.ocecoaman.2025.108015","url":null,"abstract":"<div><div>Marine accident investigation reports contain valuable yet underutilized information due to their unstructured nature. While knowledge graphs (KGs) offer a promising solution for structured modeling and quantitative reasoning based on these reports, the construction of high-quality, domain-specific KGs remains technically challenging. To enable more efficient and scalable knowledge extraction in maritime safety domain, this study proposes an automated pipeline based on large language models (LLMs) which enhances existing approaches by customizing LLM prompting and evaluation frameworks. A chain-of-thought and one-shot prompting method is adopted to identify critical hazardous factors and their coupling relationships. Besides, a comprehensive quality assessment framework is developed to assess the accuracy and complexity of the generated KGs. Applied to real-world accident reports from maritime authorities, the proposed LLM-based method demonstrates substantial improvements in automation efficiency and extraction accuracy compared with traditional approaches. Furthermore, the quality evaluation framework provides complementary indicators to traditional metrics by reflecting the global semantic coherence and structural redundancy of the maritime safety KG. The findings offer actionable insights for deploying LLM-based tools to support data-driven maritime risk analysis enhancing transport safety management and decision making in complex operational environments.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"272 ","pages":"Article 108015"},"PeriodicalIF":5.4,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145617973","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}
引用次数: 0
Robust optimization of port logistics service supply chain under demand uncertainties 需求不确定条件下港口物流服务供应链的鲁棒优化
IF 5.4 2区 环境科学与生态学
Ocean & Coastal Management Pub Date : 2026-01-01 Epub Date: 2025-09-24 DOI: 10.1016/j.ocecoaman.2025.107935
Lin Feng , Xinmiao Wang , Qian Wang , Peng Jia , Adolf K.Y. Ng
{"title":"Robust optimization of port logistics service supply chain under demand uncertainties","authors":"Lin Feng ,&nbsp;Xinmiao Wang ,&nbsp;Qian Wang ,&nbsp;Peng Jia ,&nbsp;Adolf K.Y. Ng","doi":"10.1016/j.ocecoaman.2025.107935","DOIUrl":"10.1016/j.ocecoaman.2025.107935","url":null,"abstract":"<div><div>Demand uncertainty in market environments presents substantial challenges in managing port logistics service supply chains. This paper investigates the impact of demand uncertainty on the interactions between entities within a port logistics supply chain, addressing three main issues: customer decision-making uncertainty, time constraints, and demand variability. To minimize the total cost of providing logistics solutions to customers, we propose a two-stage robust optimization model centered around a logistics integrator. In the first stage, the model selects appropriate logistics providers and shipping schedules based on fixed time constraints. The second stage adjusts logistics service arrangements according to fluctuating customer demand, utilizing a column-and-constraint generation algorithm to solve the model. The objective is to deliver optimal logistics solutions that minimize both time and cost, while meeting customer requirements. In the numerical experiments, customer decision-making uncertainty is represented by uncertain budget levels, while demand fluctuations are modeled through changes in coefficients that reflect the degree of variability in demand. The results indicate that by using uncertain budget levels to capture the impact of uncertainty on decision-making and employing polyhedral sets to represent demand uncertainty, the two-stage robust optimization method effectively addresses demand uncertainty in port logistics service supply chains. This study offers valuable insights for optimizing port logistics service supply chains.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"271 ","pages":"Article 107935"},"PeriodicalIF":5.4,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145159670","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}
引用次数: 0
Nature-based flood risk mitigation in river deltas is most effective with upstream and uniformly spread mangroves 河流三角洲以自然为基础的洪水风险缓解对上游和均匀分布的红树林最为有效
IF 5.4 2区 环境科学与生态学
Ocean & Coastal Management Pub Date : 2026-01-01 Epub Date: 2025-10-14 DOI: 10.1016/j.ocecoaman.2025.107967
Ignace Pelckmans , Jean-Philippe Belliard , Olivier Gourgue , Luis E. Dominguez-Granda , Stijn Temmerman
{"title":"Nature-based flood risk mitigation in river deltas is most effective with upstream and uniformly spread mangroves","authors":"Ignace Pelckmans ,&nbsp;Jean-Philippe Belliard ,&nbsp;Olivier Gourgue ,&nbsp;Luis E. Dominguez-Granda ,&nbsp;Stijn Temmerman","doi":"10.1016/j.ocecoaman.2025.107967","DOIUrl":"10.1016/j.ocecoaman.2025.107967","url":null,"abstract":"<div><div>Global changes induce increased flood risks in river deltas, which concentrate a large portion of the global population and economic activity. Nature-based solutions, such as the conservation and restoration of mangroves in tropical river deltas, are considered a sustainable addition to expensive engineered flood defence systems. However, we currently lack science-based guidelines on where, in a river delta, mangrove conservation and restoration should be prioritised to attenuate extreme water levels most effectively and, conversely, where mangrove conversion to human land use would have limited impact on flood risks. Here, we apply a numerical 2D model to a complex geometry of a real river delta case, which explicitly represents the complex pattern of mangroves, channels and human land use, to show that upstream-concentrated mangroves and channel-fringing mangroves are more effective in attenuating extreme water levels. Conversely, converting mangroves to human land use in zones located farther away from river channels and more downstream, has much less impact on extreme high water levels, although this would still negatively impact other crucial ecosystem services such as carbon sequestration and supporting fisheries. In contrast to our findings, mangrove conservation has been concentrated downstream in many tropical river deltas while upstream mangroves have been converted to human land use, increasing the deltas vulnerability to coastal flooding. Our study provides first step advice towards effective spatial planning that conciliates conservation of natural wetlands, economic development and flood risk mitigation.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"271 ","pages":"Article 107967"},"PeriodicalIF":5.4,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145321727","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}
引用次数: 0
A framework for using coastal monitoring data: a foredune case study 使用海岸监测数据的框架:前沙丘案例研究
IF 5.4 2区 环境科学与生态学
Ocean & Coastal Management Pub Date : 2026-01-01 Epub Date: 2025-11-03 DOI: 10.1016/j.ocecoaman.2025.107989
D. McLaughlin , T.B. Doyle , E.F. Asbridge , K. Rogers
{"title":"A framework for using coastal monitoring data: a foredune case study","authors":"D. McLaughlin ,&nbsp;T.B. Doyle ,&nbsp;E.F. Asbridge ,&nbsp;K. Rogers","doi":"10.1016/j.ocecoaman.2025.107989","DOIUrl":"10.1016/j.ocecoaman.2025.107989","url":null,"abstract":"<div><div>To support coastal practitioners and decision makers manage the complex coastal zone a structured framework was developed to navigate a range of technologies, datasets and data-derived products based on their suitability to monitor the spatial and temporal diversity of coastal processes and morphological indicators. Remote piloted aircraft (RPA) fitted with a LiDAR sensor was used in conjunction with airborne LiDAR and photogrammetry data to undertake foredune change analyses for selected sites in southeastern Australia to validate and demonstrate optimal technology for coastal monitoring. Results were compared with satellite derived coastal change products, including the Digital Earth Australia Coastlines and CoastSat. Foredune volumes from the mid-1900s to 2024 at the highly modified and urbanised Woonona-Bellambi and Warilla Beaches exhibited long-term stability interrupted by large storm events and anthropogenic interventions. Satellite derived data from 1988 onwards showed shoreline regions experiencing the highest rates of seaward extension and landward retreat. The high temporal resolution of this data supports monitoring changes, such as the influence of the El Niño Southern Oscillation on beach rotation. Photogrammetry data with multidecadal temporal coverage provides insights into historical changes. Airborne LiDAR offers three-dimensional data with high spatial resolution to develop accurate terrain models as LiDAR pulses can penetrate foredune vegetation. RPA LiDAR and aerial image data delivered the highest spatial resolution of the beach and foredune region and improves capacity to understand and describe sediment dynamics within a beach or compartment. Rapid deployment capability of RPAs allows for immediate evaluation of impacts from episodic events including storms and management interventions, thereby enhancing hazard mitigation efforts, and improving knowledge of coastal processes. The framework presented in this study emphasises the importance of integrating complimentary monitoring technologies and datasets to improve the temporal and spatial relevance of projections that inform coastal management.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"272 ","pages":"Article 107989"},"PeriodicalIF":5.4,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145467782","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}
引用次数: 0
Evaluating the readiness of regenerative ocean aquaculture in the Baltic Sea: a multi-dimensional approach 评估波罗的海再生海洋水产养殖的准备情况:多维方法
IF 5.4 2区 环境科学与生态学
Ocean & Coastal Management Pub Date : 2026-01-01 Epub Date: 2025-12-05 DOI: 10.1016/j.ocecoaman.2025.108037
Sander Loite , Jonne Kotta , Frederick Bruce , Anneliis Kõivupuu , Maija Viška , Anda Ikauniece , Astra Labuce , Krzysztof Czaplewski , Jakub Piotrowicz , Adam Weintrit , Erika Zavackienė , Nardine Stybel , Liisi Lees
{"title":"Evaluating the readiness of regenerative ocean aquaculture in the Baltic Sea: a multi-dimensional approach","authors":"Sander Loite ,&nbsp;Jonne Kotta ,&nbsp;Frederick Bruce ,&nbsp;Anneliis Kõivupuu ,&nbsp;Maija Viška ,&nbsp;Anda Ikauniece ,&nbsp;Astra Labuce ,&nbsp;Krzysztof Czaplewski ,&nbsp;Jakub Piotrowicz ,&nbsp;Adam Weintrit ,&nbsp;Erika Zavackienė ,&nbsp;Nardine Stybel ,&nbsp;Liisi Lees","doi":"10.1016/j.ocecoaman.2025.108037","DOIUrl":"10.1016/j.ocecoaman.2025.108037","url":null,"abstract":"<div><div>Chronic eutrophication and declining coastal livelihoods in the Baltic Sea drive the search for sustainable solutions such as regenerative ocean farming (ROF). ROF is a nature-based form of aquaculture using low-trophic species like seaweeds and bivalves that extract nutrients from enriched waters. It is framed as a response to combined environmental and socioeconomic challenges, not as a stand-alone technical concept. Despite growing interest, no comprehensive assessment of ROF readiness exists for the Baltic Sea. This study addresses this gap by examining stakeholder perceptions across five dimensions: socio-economic, techno-economic, environmental, regulatory, and social acceptance. Using a series of co-assessment workshops with stakeholders from Estonia, Latvia, Lithuania, Poland, and Germany, we identify key barriers including weak regulatory frameworks, low public awareness, limited infrastructure, and underdeveloped value chains. We also highlight enabling factors such as targeted training, policy reform, and improved monitoring. Results indicate that ROF remains in an early stage of development across all countries, with Germany showing the highest overall readiness. Technological and monitoring capabilities score highest, while socio-economic, and social acceptance and especially regulatory dimensions lag behind. The findings highlight the need for coordinated actions to build institutional capacities, streamline licensing, and foster public support to advance ROF as a sustainable solution for environmental restoration and coastal economic resilience in the Baltic Sea.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"273 ","pages":"Article 108037"},"PeriodicalIF":5.4,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145685461","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}
引用次数: 0
Advancing biodiversity assessment of marine protected areas by identifying ecologically critical sites and species 推进海洋保护区生物多样性评估,确定生态危址和物种
IF 5.4 2区 环境科学与生态学
Ocean & Coastal Management Pub Date : 2026-01-01 Epub Date: 2025-10-27 DOI: 10.1016/j.ocecoaman.2025.107981
Hurmine Ridha , Soniya Sukumaran , B. Manikandan , Alok K. Thampan
{"title":"Advancing biodiversity assessment of marine protected areas by identifying ecologically critical sites and species","authors":"Hurmine Ridha ,&nbsp;Soniya Sukumaran ,&nbsp;B. Manikandan ,&nbsp;Alok K. Thampan","doi":"10.1016/j.ocecoaman.2025.107981","DOIUrl":"10.1016/j.ocecoaman.2025.107981","url":null,"abstract":"<div><div>Marine Protected Areas (MPAs), despite their protected status, face growing threats from climate change and anthropogenic pressures, necessitating biodiversity assessment to evaluate their conservation effectiveness. This study employed macrobenthos to investigate beta (β) diversity, partitioned into Local Contributions to Beta Diversity (LCBD) and Species Contributions to Beta Diversity (SCBD), to identify ecologically critical sites and species within the moderately impacted Gulf of Kachchh (GoK) and the less impacted Gulf of Mannar (GoM) MPAs. This approach provided a more nuanced analysis than the classical Whittaker's β-diversity index (β<sub>W</sub>). The GoM, characterized by stable environmental conditions, harboured more k-selected species than GoK, reflecting its high conservation value. Conversely, GoK showed higher LCBD and SCBD metrics than the GoM, reflecting ecological perturbations and the need for targeted restoration. β-regression models revealed that LCBD was mainly driven by community metrics, particularly turnover with some influence from nestedness, in both MPAs. Environmental parameters such as suspended solids, sand, and total organic carbon in GoK, and sand and silt in GoM were strongly associated with LCBD. SCBD was primarily shaped by species occupancy and abundance, with occupancy emerging as the key driver in both MPAs. These findings highlight the value of expanding advanced β-diversity metrics globally to strengthen marine conservation and ecosystem management.</div></div>","PeriodicalId":54698,"journal":{"name":"Ocean & Coastal Management","volume":"272 ","pages":"Article 107981"},"PeriodicalIF":5.4,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145369740","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}
引用次数: 0
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