Marine environmental research最新文献

{"title":"In vitro effects of a plastic additive (DEHP) on contraction dynamics of Hymeniacidon heliophila (Demospongiae: Halichondrida)","authors":"Liv Ascer ,&nbsp;Emilio Lanna ,&nbsp;Márcio Reis Custódio","doi":"10.1016/j.marenvres.2025.107268","DOIUrl":"10.1016/j.marenvres.2025.107268","url":null,"abstract":"<div><div>Microplastic impacts in marine ecosystems are a major topic in ocean pollution research. Besides the problems caused by the particles, additives used in its manufacture, such as phthalates, can leach from the particles. Once in the environment or inside the organisms, these compounds can bioaccumulate and cause endocrine disruption in several marine organisms. Although marine sponges are efficient filter feeders, limited research has explored the potential physiological impacts of these additives on these organisms. To verify possible effects of the additives in sponges, individuals of <em>Hymeniacidon heliophila</em> were exposed to different concentrations of di-(2-ethylhexyl)-phthalate (DEHP). Expansion-contraction cycles were monitored by time-lapse photography and parameters of <em>in vitro</em> cell cultures (primmorphs), such as number and size, were analyzed. Exposition to DEHP caused alterations in the contraction-expansion cycles and dose-dependent effects on the volume of the canals of the aquiferous system. Cell aggregation parameters in the primmorph cultures were not altered. However, the effects on the organisms were not permanent, with the sponges being able to recover their natural expansion-contraction cycle. Possible mechanisms involved in the effect of DEHP in the sponges and detoxification pathways are discussed.</div></div>","PeriodicalId":18204,"journal":{"name":"Marine environmental research","volume":"210 ","pages":"Article 107268"},"PeriodicalIF":3.0,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144203621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"Unveiling the biogeography of ammonia-oxidizing prokaryotes (AOPs) in the South China Sea: Novel lineages and their ecological niches","authors":"Yuexi Ma,&nbsp;Cuihong Jiang,&nbsp;Jiapeng Wu,&nbsp;Xiaoyi Li,&nbsp;Fei Ye,&nbsp;Xiaomei Shen,&nbsp;Yu Wang,&nbsp;Yiguo Hong","doi":"10.1016/j.marenvres.2025.107266","DOIUrl":"10.1016/j.marenvres.2025.107266","url":null,"abstract":"<div><div>Ammonia-oxidizing prokaryotes (AOPs) are key drivers of nitrification in the ecosystem. Despite their pivotal role in nitrogen cycling, the diversity and niche specialization of AOPs in marine sediments are poorly resolved. In this study, high-throughput amplicon analysis of the <em>amoA</em> gene was employed to investigate the diversity, community structure and distribution of AOPs in surface sediments of the South China Sea (SCS). Phylogenetic analysis showed that 91% of the OTUs were not affiliated with any known AOPs, suggesting putative novel AOPs existed in the marine sediments. Only 2 OTUs of ammonia-oxidizing archaea (AOA) belonged to known <em>Nitrosospelagicusa</em> and <em>Nitrosopumilus</em>, and the other 15 dominant OTUs were identified as novel AOA. All 6 dominant OTUs of ammonia-oxidizing bacteria were identified as novel clusters. PCoA revealed significant segregation of AOP communities between shallow and deep-sea sediments. Pearson correlation analysis further demonstrated temperature and depth as key factors driving niche differentiation of AOPs. Overall, this study firstly reported novel AOPs in marine sediments and provided comprehensive information on their distribution and ecological significance in shallow and deep-sea sediments.</div></div>","PeriodicalId":18204,"journal":{"name":"Marine environmental research","volume":"210 ","pages":"Article 107266"},"PeriodicalIF":3.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144203622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"Dual effects of estuarine dams on summertime phytoplankton productivity in temperate river-estuary transition zones","authors":"Dongyoung Kim ,&nbsp;Tae-Hoon Kim ,&nbsp;Chang-Keun Kang ,&nbsp;Hyun Je Park","doi":"10.1016/j.marenvres.2025.107238","DOIUrl":"10.1016/j.marenvres.2025.107238","url":null,"abstract":"<div><div>The river transports dissolved and particulate matter to the estuary, where physical and biogeochemical transitions occur. In the river-estuary transition zone (RETZ), phytoplankton response is an effective indicator of environmental variability with their immediate responses. Here, we examine summer-monsoonal variability in productivity and nitrogen uptake of phytoplankton in three major Korean rivers and their estuaries: the Han, Geum, and Yeongsan. Results showed that summer-monsoonal variability of primary productivity in dam-constructed RETZ divided them into riverine zone governed by nutrient-phytoplankton interactions and estuarine zone associated with nitrogenous substrate dynamics. In contrast, free-flowing RETZ exhibited lower variability in phytoplankton productivity due to simultaneously enhanced nitrogenous nutrients and turbidity. Our generalized additive model analysis indicated that composition of particulate organic matter is primarily correlated with phytoplankton biomass associated with light availability. Our findings emphasize the complex interplay of physical and biogeochemical processes in RETZ, mainly influenced by monsoonal variability and river-estuary connectivity.</div></div>","PeriodicalId":18204,"journal":{"name":"Marine environmental research","volume":"210 ","pages":"Article 107238"},"PeriodicalIF":3.0,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144196534","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"Gene network analysis reveals the responsive cascades of scallop (Patinopecten yessoensis) exposed to toxic Alexandrium catenella","authors":"Xiaogang Xun ,&nbsp;Jie Cheng ,&nbsp;Huizhen Wang ,&nbsp;Liang Zhao ,&nbsp;Pan Deng ,&nbsp;Yujue Wang ,&nbsp;Lirong Chang ,&nbsp;Zhenmin Bao ,&nbsp;Xiaoli Hu ,&nbsp;Moli Li","doi":"10.1016/j.marenvres.2025.107265","DOIUrl":"10.1016/j.marenvres.2025.107265","url":null,"abstract":"<div><div>As filter-feeding bivalves, scallops exhibit remarkable tolerance to paralytic shellfish toxins (PSTs) produced by <em>Alexandrium</em> dinoflagellates, yet the molecular mechanisms enabling concurrent PST accumulation and physiological resilience remain poorly understood. Here, we integrated transcriptomics and weighted gene co-expression network analysis (WGCNA) to dissect dynamic gene networks in scallop digestive glands during a 15-day exposure to PST-producing algae. We identified eight responsive modules, with the hub module M4 coordinating all phases of xenobiotic metabolism: phase I oxidation (CYP enzymes), phase II conjugation (GST/GGT), and phase III efflux (MRP transporters). Module M19 uniquely modulated glutathione (GSH) homeostasis by suppressing tyrosinase (TYR) during peak detoxification (Days 5–10) to prioritize toxin conjugation, followed by TYR activation to reset GSH levels post-exposure (Day 15). Notably, neural-related modules (M3, M6) counteracted PST neurotoxicity by restoring ion homeostasis through epithelial sodium channels (SCNNG) and regulating neurotransmitter dynamics (SLC6, ACH). Crucially, the coordinated interactions between up- and down-regulated modules, as inferred from dynamic gene expression patterns in xenobiotic metabolism, neural homeostasis, and detoxification pathways, collectively suggest a potential role in mitigating PST-producing algae-induced cellular damage. This study reveals a dual-functional gene network in scallop digestive glands that balances PST hyperaccumulation with multi-layered detoxification, providing mechanistic insights into bivalve adaptation to harmful algal blooms.</div></div>","PeriodicalId":18204,"journal":{"name":"Marine environmental research","volume":"210 ","pages":"Article 107265"},"PeriodicalIF":3.0,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144203620","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"Holocene mollusks and paleogeographical evolution of the doñana national park, Europe's largest biological reserve: A review","authors":"Gabriel Gómez ,&nbsp;Francisco Ruiz ,&nbsp;María Luz González-Regalado ,&nbsp;Fernando Muñiz ,&nbsp;Carlos Neto ,&nbsp;Joaquín Rodríguez Vidal ,&nbsp;Luis Miguel Cáceres ,&nbsp;José María Galán ,&nbsp;Manuel Pozo ,&nbsp;María Isabel Carretero ,&nbsp;Josep Tosquella ,&nbsp;Manuel Abad ,&nbsp;Tatiana Izquierdo ,&nbsp;Antonio Toscano ,&nbsp;Paula Gómez ,&nbsp;Verónica Romero","doi":"10.1016/j.marenvres.2025.107258","DOIUrl":"10.1016/j.marenvres.2025.107258","url":null,"abstract":"<div><div>This paper summarizes knowledge on the Holocene malacological record of the Doñana National Park, the largest nature reserve in Europe. It includes more than 50 species of bivalves and gastropods, mostly marine, being the common cockle <em>Cerastoderma edule</em> the most abundant during the middle and late Holocene. The record of these groups, the dating of the numerous cores that contain them, and the ecology of the species allows us to understand the paleogeographic evolution of this park, dominated by tidal marshes and tidal channels during the early Holocene, later flooded during the Holocene transgressive maximum. The last 5 kyr are marked in the area by the filling of an increasingly limited brackish lagoon, whose sedimentary record includes bioclastic layers from high-energy events.</div></div>","PeriodicalId":18204,"journal":{"name":"Marine environmental research","volume":"210 ","pages":"Article 107258"},"PeriodicalIF":3.0,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144203619","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"Microbially-driven nitrous oxide transformations and fluxes in organic-poor sediments from a tropical lagoon","authors":"Tanisha Nag ,&nbsp;Damodara Rao Valavala ,&nbsp;Anitha Gera ,&nbsp;Sanitha K. Sivadas ,&nbsp;M. Govindaraju ,&nbsp;M.V. Ramana Murthy","doi":"10.1016/j.marenvres.2025.107256","DOIUrl":"10.1016/j.marenvres.2025.107256","url":null,"abstract":"<div><div>Microbially-driven transformations and fluxes of nitrous oxide (N₂O) in tropical organic-poor sediments (organic carbon, C_org &lt; 0.79 %) differ from organic-rich sediments, but are largely overlooked and not well-constrained. We studied these transformations and fluxes, and identified their drivers, in organic-poor coastal sediments from the inlet regions of Pulicat lagoon, a tropical coastal ecosystem on the southeast coast of India. Intact core incubations were coupled with acetylene-inhibitor treatments to quantify fluxes of dissolved gases and nutrients at the sediment-water interface, and to understand the extent of N₂O production and consumption in these sediments. Bacteria that carry out these N₂O transformations were examined through 16S rRNA (V3-V4) sequencing. Lagoon inlets were profiled over two seasons that were representative of distinct temperature and salinity regimes, to analyze the influence of temperature and salinity on N₂O transformations. We found that N₂O consumption processes were significant, as a result of high rates of oxygen uptake in these sediments. Nitrate (NO₃⁻) concentration at the sediment-water interface was found to be the key biogeochemical control on these consumption processes. The bacterial families found to be key to these processes in these sediments were Neisseriaceae, Burkholderiaceae, Desulfovibrionaceae, and Clostridiaceae. Both chemoheterotrophic and chemolithotrophic pathways were found to be crucial to bacterial metabolism in these sediments. We found that these organic-poor inlet sediments were a sink of N₂O (∼−4.36 × 10² mol year⁻¹). Similar processes and mechanisms may be observed in similarly characterized ecosystems, and such ecosystems may therefore be valuable sinks of N₂O.</div></div>","PeriodicalId":18204,"journal":{"name":"Marine environmental research","volume":"210 ","pages":"Article 107256"},"PeriodicalIF":3.0,"publicationDate":"2025-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144213234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"Distribution patterns and climatic responses of Macrophthalmus banzai and Macrophthalmus japonicus in East Asia (Ocypodoidea: Macrophthalmidae)","authors":"Chongfeng Liu ,&nbsp;Lin Yuan ,&nbsp;Jianliang Yao ,&nbsp;Huixian Wu ,&nbsp;Junzeng Xue","doi":"10.1016/j.marenvres.2025.107253","DOIUrl":"10.1016/j.marenvres.2025.107253","url":null,"abstract":"<div><div><em>Macrophthalmus banzai</em> and <em>M</em>acrophthalmus <em>japonicus</em> are of great value to the intertidal zone ecology in East Asia. In recent years, <em>M</em><em>.</em> <em>banzai</em> has been discovered along the northern coast of Hangzhou Bay, where only its closely related sister species, <em>M</em><em>.</em> <em>japonicus</em>, was previously documented. This change may reflect climate-driven distribution changes. This study investigates the two species using historical records, field surveys, and species distribution models (SDMs) to analyze their distribution in East Asia under historical and future climate scenarios. The results reveal significant differences in adaptation of the two species to temperature factors: <em>M. banzai</em> exhibits a higher adaptability to elevated temperatures, while <em>M. japonicus</em> demonstrates greater adaptability to lower temperatures. This divergence in thermal adaptation has led to a latitudinal gradient in their spatial distribution. Under future climate scenarios, <em>M. japonicus</em> shows a pronounced northward migration trend, whereas the suitable habitat of <em>M. banzai</em> exhibits a complex pattern of expansion and contraction influenced by the interplay of multiple environmental factors. Under low stress, habitat areas of both species expand, but under high stress, expansion is constrained, and lead to contraction. Therefore, timely development of suitable protection policies are crucial. Field survey results indicate that only <em>M. banzai</em> remains along the Hangzhou Bay north shore, while <em>M. japonicus</em> has disappeared. This phenomenon may reflect changes in species distribution driven by climate change. However, the possibility of historical species misidentification cannot be ruled out. It is recommended that re-examine historical specimens from relevant regions to further elucidate their distribution dynamics.</div></div>","PeriodicalId":18204,"journal":{"name":"Marine environmental research","volume":"210 ","pages":"Article 107253"},"PeriodicalIF":3.0,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144195165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"Predation success of declining long-snouted seahorse (Hippocampus guttulatus) population under habitat shifts","authors":"Filipe Parreira,&nbsp;Jorge Palma,&nbsp;Rui Santos ,&nbsp;Begoña Martínez-Crego","doi":"10.1016/j.marenvres.2025.107247","DOIUrl":"10.1016/j.marenvres.2025.107247","url":null,"abstract":"<div><div>Seahorse populations are facing significant declines worldwide, often associated to illegal trade and habitat loss or fragmentation. Emergent habitat shifts towards invasive seaweeds, facilitated by global warming, can also be at play, having still unknown effects on seahorse ecology. Particularly, indirect impacts on seahorse populations via altered predation success remains largely unexplored. Here, we conducted mesocosm experiments to investigate differences in the prey capture success of the long-snouted seahorse (<em>Hippocampus guttulatus</em>) among native habitats (i.e. seagrass meadows and unvegetated sediments) and non-native <em>Caulerpa prolifera</em> meadows when offered different preys (amphipods and shrimps), at low or high prey availability, and under low or high habitat complexity. Great plasticity of <em>H. guttulatus</em> to all habitats was revealed, as habitat type did not significantly affect the capture success. Instead, capture success depends on prey identity and availability regardless of the habitat type, as well as on habitat complexity. Seahorse capture success was higher under high prey availability, as well as when predating on amphipods that were offered together with shrimps. High habitat complexity of both vegetated habitats enhanced by double the capture success, whereas an opposite effect of similar magnitude was found for more complex unvegetated habitats. This indicates that vegetation complexity, regardless their native or invasive nature, reduces prey awareness to predator, whereas small structures in unvegetated habitats provide refuge for preys but not seahorse camouflage. We found no evidence that shifts from native habitats to invasive <em>C. prolifera</em> negatively impact <em>H. guttulatus</em> capture success, but further research on other aspects of its feeding ecology is still necessary.</div></div>","PeriodicalId":18204,"journal":{"name":"Marine environmental research","volume":"209 ","pages":"Article 107247"},"PeriodicalIF":3.0,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144170418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"Carbon credit assessment for Mangrove conservation: A detailed study of Futian Mangrove reserve in Shenzhen","authors":"Peng Li ,&nbsp;Yiying Xiong ,&nbsp;Bingxiong Lu ,&nbsp;Baoqing Hu ,&nbsp;Shuhong Wu ,&nbsp;Lian Duan ,&nbsp;Hui Zhang","doi":"10.1016/j.marenvres.2025.107255","DOIUrl":"10.1016/j.marenvres.2025.107255","url":null,"abstract":"<div><div>Mangroves are significant coastal blue carbon ecosystems that play an essential role in mitigating climate change. However, due to the lack of reasonable benefit quantification methods and active market regulation mechanisms, the carbon credit generated by mangroves is difficult to enter the carbon market. Drawing on extensive references to relevant domestic and international guidelines, standards, and methodologies, this study developed a carbon credit measurement method for mangrove protection carbon sink projects that comprehensively considers carbon benefits, biodiversity benefits, and community benefits. The allometric equation of mangrove species with high recognition in the academic community was used to estimate the variation of carbon storage of each carbon pool from 2017 to 2020. A novel technique based on land use change prognostication was introduced to determine the baseline scenario of project. Carbon benefits for the study area during the first monitoring period (2010–2020) were conservatively estimated. Special investigations and monitoring were conducted in China's only national nature reserve located in the city's hinterland, based on the years of biodiversity surveys and high-resolution remote sensing images. The results indicate that the carbon density in the Futian National Mangrove Nature Reserve in Shenzhen was 416.362 ± 5.579 tCO₂^e/ha in 2020. The conservation project not only helps mitigate climate change but also contributes to biodiversity conservation and community development. The average annual carbon benefit from the mangrove conservation sequestration project in the initial monitoring period was 3874.544 tCO₂^e.a⁻¹. The development of carbon credit accounting methods for mangrove protection will facilitate the utilization of carbon market mechanisms to achieve effective resource allocation, expand financing channels for mangrove protection initiatives, and further enhance the conservation of mangrove ecosystems.</div></div>","PeriodicalId":18204,"journal":{"name":"Marine environmental research","volume":"210 ","pages":"Article 107255"},"PeriodicalIF":3.0,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144196533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"Small eukaryotic plankton community and alpha diversity variability in the Kuroshio region","authors":"Ariana Chih-Hsien Liu ,&nbsp;Feng-Hsun Chang ,&nbsp;Jinny Wu Yang ,&nbsp;Hiroaki Saito ,&nbsp;Yu Umezawa ,&nbsp;Chung-Chi Chen ,&nbsp;Sen Jan ,&nbsp;Chih-hao Hsieh","doi":"10.1016/j.marenvres.2025.107250","DOIUrl":"10.1016/j.marenvres.2025.107250","url":null,"abstract":"<div><div>Small eukaryotic plankton (1.2–20 μm), exhibiting remarkable diversity and employing various trophic strategies, plays crucial roles in marine biogeochemical cycling. However, limited exploration of their composition and diversity has hindered our understanding of their functional roles in food-web dynamics and biogeochemical processes. This study investigates the spatial variation of small eukaryotic plankton composition and alpha diversity in the Kuroshio region of the northwestern Pacific Ocean, specifically considering their trophic strategies (mixotrophic and heterotrophic) and the influence of environmental factors and bacterial diversity. Small eukaryotic plankton samples were collected from two depths (surface and deep chlorophyll-<em>a</em> maximum layers) across six transects spanning 22°N to 35°N in the Kuroshio region. Amplicon sequencing was used to determine the relative abundance and diversity of small eukaryotic and bacterial communities by targeting the 18S and 16S rRNA genes, respectively. Our results revealed significant compositional changes of small eukaryotic plankton from south to north transects and across two sampling depths, with heterotrophic small eukaryotic plankton showing lower relative abundance at the surface compared to the DCM layer. Small eukaryotic plankton alpha diversity generally decreased with dissolved inorganic nitrogen but responded differently to seawater temperature depending on trophic strategies. Notably, we observed a positive association between small eukaryotic plankton alpha diversity and corresponding bacterial alpha diversity. By incorporating trophic strategy into the analysis of spatial variation, this study provides valuable insights into the composition, diversity, and potential ecological functions of small eukaryotic plankton in the Kuroshio region, enhancing our understanding of marine ecosystem dynamics.</div></div>","PeriodicalId":18204,"journal":{"name":"Marine environmental research","volume":"210 ","pages":"Article 107250"},"PeriodicalIF":3.0,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144213060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}