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海洋湖沼学报（英文版）
中科院海洋所 中国海洋湖沼学会
海洋湖沼学报（英文版）

中科院海洋所 中国海洋湖沼学会

曾呈奎

双月刊

2096-5508

jol@qdio.ac.cn

0532-82898754

266073

山东省青岛市市南区福山路32号

海洋湖沼学报（英文版）/Journal Journal of Oceanology and LimnologyCSCDCSTPCD北大核心SCI
查看更多>>《中国海洋湖沼学报（英文版）》是由中国海洋湖沼学会主办、中国科学院海洋研究所承办的一级学报类学术期刊，1983年创刊，现为双月刊。本刊主要刊登内容为海洋湖沼科学及相关的生物、水产养殖、物理、气象、化学、地质、水文、地貌、工程、环保、遥感、仪器等方面的国内外最新研究成果，包括研究论文，简报，综述等。自2018年起《中国海洋湖沼学报（英文版）》更名为《海洋湖沼学报（英文）》。
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    Distribution and dynamics of niche and interspecific association of dominant phytoplankton species in the Feiyun River basin,Zhejiang,China

    Shengnan ZHUZengchuan DONGGuobin FUShujun WU...
    1157-1172页
    查看更多>>摘要：To investigate the dominant species and interspecific association in the phytoplankton community of the Feiyun River basin in Zhejiang Province,East China,the main stream and the Shanxi-Zhaoshandu Reservoir in the downstream were chosen as the study area,for which 22 sampling sites were designated.Sampling was conducted in September 2021,January,May,and July 2022.Phytoplankton species were identified from both quantitative samples and in-vivo observations.Phytoplankton was quantified by direct counting.Results show that there were 98 species belonging to 6 phyla and 78 genera.In addition,to clarify the niches of the dominant phytoplankton species and their interspecific association,the dominance index was calculated,and a comprehensive analysis was conducted including niche width,niche overlap value,ecological response rate,overall association,chi-square test,and the stability.The phytoplankton community exhibited characteristics of a Cyanobacteria-Chlorophyta-Diatom type community,showing higher diversity in spring and lower diversity in summer.Among 11 dominants phytoplankton species from 3 phyla,both frequency and dominance degree varied seasonally,of which Microcystis sp.was the dominant species in Spring,Autumn,and Winter.The niche widths of the dominant species ranged from 0.234 to 0.933,and were categorized into three groups.The niche overlap values of the 11 dominant species ranged from 0.359 to 0.959,exhibiting significant seasonal differences—highest in winter followed by autumn,spring,and summer in turn.The overall correlation among dominant species in all four seasons revealed a non-significant negative association,resulting in an unstable community structure.A significant portion(84.2％)of species pairs displayed positive associations,suggesting a successional pattern where Diatoms dominated while other dominant species shared resources and space.Despite this pattern,stability measurements indicated that the dominant species community remained unstable.Therefore,careful monitoring is recommended for potential water environment issues arising from abnormal proliferation of dominant species in the watershed during winter.This research built a theoretical foundation with a data support to the early warning of eutrophication and provided a reference for water resources management in similar watersheds along the eastern coast of China.
      原文链接:
    • 国家科技期刊平台
    • NETL
    • NSTL
    • 万方数据

    Determinant variables on the isotopic values of particulate organic matter in a neotropical floodplain

    Vinícius de ANDRADE URBANOMatheus MAXIMILIAN RATZ SCOARIZEGustavo HENRIQUE ZAIA ALVESDriele DELANIRA-SANTOS...
    1173-1185页
    查看更多>>摘要：Particulate organic matter(POM)is an important energy source for aquatic consumers,understanding its origin and composition is essential for understanding the energetic dynamics of aquatic environments.The aim of this study was to analyze the relationship between POM and phytoplankton(isotopic values and chlorophyll concentration)and abiotic variables during dry and rainy seasons.Sampling was conducted in rivers and lagoons in the floodplain of the Upper Paraná River.We found a greater difference in δ13C values of POM between sampling points than between seasons,indicating that the composition of regional sources influences the composition of POM more than dry and rainy seasons.In addition,the concentration of chlorophyll during the dry season was positively correlated with δ13C values during that rainy period.Additionally,we found a relationship between factors limiting the growth of phytoplankton and δ13C values of POM,such as phosphate ions,indicating that variables that regulate phytoplankton growth tend to influence the composition of POM in river floodplains.Therefore,maintaining the variables that regulate the phytoplankton community is of fundamental importance for the composition of POM,an important energy source in aquatic environments.
      原文链接:
    • 国家科技期刊平台
    • NETL
    • NSTL
    • 万方数据

    Fairy shrimp Branchinella kugenumaensis displays sensitivity to microplastic exposure

    Yingying ZHANGXinrui XUWenbo SUNYuting WANG...
    1186-1199页
    查看更多>>摘要：The increasing global concern regarding plastic pollution has prompted the research into the consequences of microplastics(MPs)on aquatic ecosystems.Fairy shrimp Branchinella kugenumaensis are freshwater planktonic organisms that have existed for 250 million years.This study aimed to uncover the harmful effects of MPs,with a particular focus on their size variations(0.1,1,and 5 μm),on the fairy shrimp.We focused on how MPs could significantly affect the survival and growth of fairy shrimp.Notably,larger MPs,especially those measuring 5 μm,caused higher mortality rates and hindered the growth compared to smaller ones.The impact of MPs continued even subsequent to depuration in clean water.The accumulation of MPs within the intestines of fairy shrimp resulted in intestinal blockages,disrupted excretory functions,and harmed intestinal epithelial cells.Examinations at the histological,cellular,and molecular levels showed that exposure to MPs triggered necroptosis in intestinal cells,accompanied by alterations in pathways related to transcription,translation,digestion,energy metabolism,and neurological functions.Furthermore,the effects of MPs on gene expression and pathways varied based on particle size,with larger MPs having a more significant effect and causing a strong response in xenobiotic biodegradation and metabolism pathways.We suggest that the increasing severity of MPs pollution could pose a significant threat to the survival of fairy shrimp.This study provided vital insights into the complex relationship between microplastics and aquatic organisms,and highlighted the urgent need to address the potential devastating impact of plastic pollution on freshwater ecosystems.Additionally,due to their rapid growth,strong reproductive capacity,sensitivity,and ease of cultivation,fairy shrimp hold the potential candidate to serve as a model organism for studying the effects of MPs and other pollutants on freshwater ecosystems.
      原文链接:
    • 国家科技期刊平台
    • NETL
    • NSTL
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    Effects of inorganic nutrients and environmental factors on the removal of n-propylbenzene and isopropylbenzene in seawater by cryptophytes Rhinomonas reticulata S6A

    Jiali CUIShuhao DUYumei LIHaiping LI...
    1200-1215页
    查看更多>>摘要：To effectively remove n-propylbenzene(n-PBZ)and isopropylbenzene(i-PBZ)leaked into seawater using Rhinomonas reticulata S6A(a newly isolated marine microalga),the effects of three inorganic nutrients and four environmental factors on their degradation were determined after 7 d of inoculation.Results show that NaNO3 at 300 mg/L caused a higher removal efficiency of both n-PBZ and i-PBZ(44.79％and 39.26％),while for NaH2PO4·H2O,greater removal rates of two PBZs(47.30％and 42.23％)were achieved at 30 and 20 mg/L,respectively.NaHCO3 supplementation(500-750 mg/L)resulted in a large reduction(43.67％-45.04％)in i-PBZ concentration.The change in seawater pH(from 6 to 9)did not affect the elimination of n-PBZ and i-PBZ.The most suitable salinity and temperature were 30 and 25-30 ℃,respectively,leading to the PBZs removal of～40％.Light intensity exhibited significant influence on elimination of PBZs,and the maximum removal efficiencies of 56.07％(n-PBZ)and 55.00％(i-PBZ)were recorded under 200 and 600 μmol/(m2·s),respectively.In addition,the microalga could still remove PBZs when it failed to grow well due to darkness,strong light,low temperature,or low salinity,which might mean that good growth of alga is not always a necessary condition for PBZs removal.Therefore,attention should be paid to the suitability of nutrient levels and environmental conditions(excluding pH)in seawater when using microalgae for bioremediating PBZs-contaminated seawater.
      原文链接:
    • 国家科技期刊平台
    • NETL
    • NSTL
    • 万方数据

    Estimation and verification of green tide biomass based on UAV remote sensing

    Xiaopeng JIANGZhiqiang GAOZhicheng WANG
    1216-1226页
    查看更多>>摘要：Since 2007,the Yellow Sea green tide has broken out every summer,causing great harm to the environment and society.Although satellite remote sensing(RS)has been used in biomass research,there are several shortcomings,such as mixed pixels,atmospheric interference,and difficult field validation.The biomass of green tide has been lacking a high-precision estimation method.In this study,high-resolution unmanned aerial vehicle(UAV)RS was used to quantitatively map the biomass of green tides.By utilizing experimental data from previous studies,a robust relationship was established to link biomass to the red-green-blue floating algae index(RGB-FAI).Then,the lab-based model for green tide biomass from visible images taken by the UAV camera was developed and validated by field measurements.Results show that the accurate and cost-effective method is able to estimate the green tide biomass and its changes in given local waters of the near and far seas.The study provided an effective complement to the traditional satellite RS,as well as high-precision quantitative techniques for decision-making in disaster management.
      原文链接:
    • 国家科技期刊平台
    • NETL
    • NSTL
    • 万方数据

    Proliferating cell nuclear antigen of Ulva prolifera is involved in the response to temperature stress

    Hongyan HEJuanjuan YANGYuan HEXiuwen YANG...
    1227-1241页
    查看更多>>摘要：Ulva prolifera is the most common specie causative to green tide,and its growth is sensitive to temperature stress.However,the mechanisms of U.prolifera response to temperature stress remain elusive.In this study,high temperature(36 ℃)stimulus promoted the death of unformed cell wall protoplasts and delayed the division of formed cell wall protoplasts,while low-temperature(4 ℃)stimulus did not,suggesting that the mechanisms of the response of U.prolifera to high and low-temperature stresses are different.Transcriptome results show that proliferation-related genes were differentially expressed under high and low-temperature stresses,especially the proliferating cell nuclear antigen(PCNA)and cyclins(CYCs).Subsequently,the interaction between PCNA and Cyclin A was confirmed by Co-immunoprecipitation,yeast two-hybrid,and so on.Furthermore,high-and low-temperature stresses induced the expression of PCNA and Cyclin A in varying of degrees,and activated extracellular signal-regulated kinase(ERK)signal pathway.These results suggest,PCNA,Cyclin A,and ERK signal pathway played important roles in the resistance of U.prolifera to temperature stress.Interestingly,high-temperature stress induced an increase of miR-2916 in abundance,and exhibiting reverse expression of PCNA;and PCNA was target gene of miR-2916,suggesting that miR-2916 protected U.prolifera from high-temperature stress via post-transcriptionally regulation of PCNA.This study laid a foundation for understanding the function of PCNA and Cyclin A,moreover,it has a guiding significance to explore the mechanisms of the response to temperature stress from proliferation-related genes regulatory networks in U.prolifera.
      原文链接:
    • 国家科技期刊平台
    • NETL
    • NSTL
    • 万方数据

    Validating the use of ROS-scavenging bacteria as probiotics to increase coral resilience to thermal stress

    Xiaoyu TANGQingsong YANGYing ZHANGHanzhang WANG...
    1242-1260页
    查看更多>>摘要：Thermal stress causes the overproduction and toxic accumulation of reactive oxygen species(ROS),which seems to be correlated with coral bleaching and,ultimately,death.The reduction of ROS concentration within the coral holobiont could minimize the effects of thermal stress and support efforts to reduce coral decline globally.In the current study,we explored the physiological responses of Pocillopora damicornis to ROS-scavenging bacteria inoculation as well as the microbiome restructuring that correlates with P.damicornis's resilience to thermal stress after probiotic inoculation.Inoculation of corals with ROS-scavenging bacteria enhanced coral health and reduced ROS concentration.Furthermore,the enhanced coral thermal resistance promoted by ROS-scavenging bacteria was also correlated with an overall coral microbiome restructuring.In addition,the complex network relationships between bacteria and Symbiodiniaceae in corals after ROS-scavenging bacteria inoculation contributed to corals'resilience to high temperatures.Besides,coral heat tolerance bacterial biomarkers,such as Myxococcota,were enriched in corals with added ROS-scavenging bacteria.Collectively,our findings validate the selected ROS-scavenging bacteria as coral probiotics that could help corals resist thermal stress on a short timescale.Additionally,our data contribute to our understanding of the potential interactions between different members of the coral holobiont and the use of probiotics as tools to aid coral restoration efforts.
      原文链接:
    • 国家科技期刊平台
    • NETL
    • NSTL
    • 万方数据

    RNA interference reveals chloride channel 7 gene helps short-term hypersalinity stress resistance in Hong Kong oyster Crassostrea hongkongensis

    Yeshao PENGZiao CHENQiong DENGZhen JIA...
    1261-1271页
    查看更多>>摘要：The chloride channel 7 gene(CLC7)of the Hong Kong oyster Crassostrea hongkongensis was cloned and named ChCLC7.The cDNA was 2 572 bp in length,with a 5'non-coding region containing 25 bp,a 3'non-coding region containing 327 bp,and an open reading frame of 2 298 bp.ChCLC7 has 96.8％and 92.1％homology with CLC7 of Crassostrea gigas and Crassostrea virginica,respectively,and it was clustered with CLC7 of C.gigas and C.virginica.QRT-PCR showed that ChCLC7 was expressed in all eight tissues,with the highest in adductor muscle and second in gill.The ChCLC7 expression pattern in gill was altered significantly under high salinity stress with an overall upward and then downward trend.After RNA interference,the expression of ChCLC7 and survival rate of oyster under high salinity stress was reduced significantly,and so did the concentration of hemolymph chloride ion in 48-96 h after RNA interference.We believed that ChCLC7 could play an important role in osmoregulation of C.hongkongensis by regulating Cl-transport.This study provided data for the analysis of molecular mechanism against oyster salinity stress.
      原文链接:
    • 国家科技期刊平台
    • NETL
    • NSTL
    • 万方数据

    Phylogenetic study on Scenedesmacae with the description of a new genus Coccoidesmus gen.nov.(Chlorophyceae,Chlorophyta)and chloroplast genome analyses

    Qinghua WANGYing HOUYanhui LIYing SHI...
    1272-1285页
    查看更多>>摘要：Members of the family Scenedesmaceae are some of the most common algal taxa in inland ecosystems,and they are widely distributed in freshwaters,aerial,and sub-aerial habitats.With the continuous updating of methods,the classic morphological taxonomy of this family needs to be revised.In recent years,many genera of Scenedesmaceae have been established via the use of molecular methods.The phylogenetic relationships within Scenedesmaceae were analyzed using different molecular markers and morphological data,and the new freshwater genus Coccoidesmus Wang,Hou et Liu gen.nov.was described.Two new species in this genus were also described.Phylogenetic analysis based on tufA genes revealed that the new genus formed an independent clade closely related to Comasiella.However,these two genera are characterized by significant morphological differences in colony arrangement and cell shape.The chloroplast genome of the type species was assembled and annotated,and analyses of genome structure and sequences were conducted.More genome data could help clarify the phylogenetic relationships within this family.
      原文链接:
    • 国家科技期刊平台
    • NETL
    • NSTL
    • 万方数据

    Taxonomy and phylogeny of the section Chaetoceros(Chaetocerotaceae,Bacillariophyta),with description of two new species

    Xudan LUMengyi ZHAINina LUNDHOLMYang LI...
    1286-1311页
    查看更多>>摘要：Chaetoceros Ehrenberg is one of the most diverse genera of planktonic diatoms.The species in section Chaetoceros are characterized by cells and setae having numerous chloroplasts and being widely distributed.However,the delimitations of some species are problematic because of limited morphological information in the classical descriptions.Monoclonal strains of the section Chaetoceros were established,morphological features were studied using light and electron microscopy,and the hypervariable D1-D3 region of the nuclear ribosomal large subunit gene was sequenced to address phylogenetic relationships.Fifteen species belonging to the section Chaetoceros were recorded,including two new species,C.hainanensis sp.nov.and C.tridiscus sp.nov.Chaetoceros hainanensis was characterized by straight chains,narrowly lanceolate to hexagonal apertures,sibling setae diverging in nearly right angles,stipule-shaped spines on terminal setae and arrowhead-shaped spines on intercalary setae.C.tridiscus had short straight chains,narrowly lanceolate apertures,arrowhead-shaped spines and circular poroids arranged in a grid pattern on terminal and intercalary setae.The phylogenetic analyses revealed six groups formed by 19 species within the section Chaetoceros,which was found to be monophyletic.The subdivision of the section is still not well understood.The morphological characters within each group varied considerably and molecular information on more species are needed to enrich the phylogenetic profiling.
      原文链接:
    • 国家科技期刊平台
    • NETL
    • NSTL
    • 万方数据