Limnology and Oceanography最新文献

{"title":"Heterotrophy of particulate organic matter subsidies contributes to divergent bleaching responses in tropical Scleractinian corals","authors":"Connor R. Love, Kelly E. Speare, Michael D. Fox, Veronica Z. Radice, Kelton W. McMahon, Gretchen E. Hofmann, David L. Valentine, Marie E. Strader","doi":"10.1002/lno.70085","DOIUrl":"https://doi.org/10.1002/lno.70085","url":null,"abstract":"Heterotrophic feeding on plankton and particulate organic matter (POM) by tropical Scleractinian corals is known to aid in the resistance and recovery from thermally induced bleaching. However, the relative importance of heterotrophy in promoting bleaching resistance and recovery is likely to vary based on ecological context and the severity of heat stress. In 2019, the Pacific Island of Mo'orea experienced mass coral mortality during a widespread marine heatwave. Many <jats:italic>Acropora hyacinthus</jats:italic> colonies on the shallow reef slope (5 m) were resistant to bleaching, while colonies on the deeper fore reef (14 m) often bleached and subsequently recovered, despite similar thermal stress. The role of heterotrophy in this divergent bleaching response was investigated using fatty acid (FA), isotopic, and elemental biomarkers. Multiple complementary lines of evidence, including feeding proxies, isotopic niche overlap, and putative POM FA biomarkers, indicated that bleaching resistant colonies were likely consuming more POM than their bleached and recovered counterparts. Additionally, although visually recovered, host energetics in recovered colonies remained compromised and exhibited proportionally less monounsaturated and polyunsaturated FAs and less relative nitrogen than resistant colonies. We show that corals that rely more on heterotrophic nutrient acquisition can better resist thermally induced bleaching. Our results also revealed the long‐term energetic costs of bleaching even after visual recovery. Ultimately, these results underscore the vital role of coral nutrition in shaping coral bleaching response and recovery.","PeriodicalId":18143,"journal":{"name":"Limnology and Oceanography","volume":"40 1","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143979863","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Vertical variations of zooplankton functional traits and diversity in the tropical and subtropical northwestern Pacific","authors":"Ruping Ge, Hongju Chen, Weimin Wang, Yunyun Zhuang, Guangxing Liu","doi":"10.1002/lno.70070","DOIUrl":"https://doi.org/10.1002/lno.70070","url":null,"abstract":"Zooplankton play a pivotal role in the marine biological pump, and vertical variations in their functional trait composition and functional diversity can affect the export of organic carbon. However, our comprehension of the vertical variations in functional traits and functional diversity of zooplankton in the northwestern Pacific is insufficient. This study examined the vertical distributions in the functional trait composition, functional diversity, and trait space of zooplankton in the tropical and subtropical northwestern Pacific. Zooplankton functional trait composition exhibited obvious vertical variations. The proportion of active‐feeding zooplankton increased with depth, while the proportion of ambush feeders decreased. The trophic groups of zooplankton shifted from omnivore–herbivore to omnivore–detritivore with depth. Zooplankton displayed high functional richness and functional dispersion in the 0–100 m layer, whereas narrow trait space but high functional evenness was observed in the 500–3000 m layer. The trait space of zooplankton within the 500–3000 m layer was nested within that of the epipelagic zone, indicating maintenance of the core functional structure. Environmental filtering and limiting similarity primarily governed zooplankton community assembly in the 0–100 m and 500–3000 m layers, whereas the process was more stochastic in other layers. These findings highlight the relationship between zooplankton functional traits and the biological pump, which could help explain the variations in biological pump strength among marine ecosystems.","PeriodicalId":18143,"journal":{"name":"Limnology and Oceanography","volume":"53 1","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143979862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Radiocarbon analysis reveals decomposition of old soil organic carbon into dissolved inorganic carbon in a subtropical mangrove ecosystem","authors":"Wataru Nakamura, Kojin Tsuchiya, Kenta Watanabe, Toshihiro Miyajima, Yosuke Miyairi, Yusuke Yokoyama, Phyo Thet Naing, Tomohiro Kuwae, Jun Sasaki","doi":"10.1002/lno.70060","DOIUrl":"https://doi.org/10.1002/lno.70060","url":null,"abstract":"The outwelling of remineralized dissolved inorganic carbon (DIC) from the subsurface soil layer through tidal pumping has recently been noted for its importance in the blue carbon budget of mangroves. However, the age of soil organic carbon (SOC) that has been decomposed into DIC remains uncertain. In this study, two distinct models (a two endmembers model and three endmembers model) were utilized to verify the age of the decomposed SOC, employing radiocarbon (Δ<jats:sup>14</jats:sup>C) as a tracer. We conducted a 24‐h measurement of DIC and DIC isotopes (δ<jats:sup>13</jats:sup>C<jats:sub>DIC</jats:sub> and Δ<jats:sup>14</jats:sup>C<jats:sub>DIC</jats:sub>), in addition to vertical profiles of Δ<jats:sup>14</jats:sup>C of SOC, in a subtropical mangrove ecosystem in Japan. The Δ<jats:sup>14</jats:sup>C expected for the source SOC that decomposed into DIC exhibited a comparable trend for the two distinct models, with mean values ranging from −86.6‰ to −16.8‰. The Δ<jats:sup>14</jats:sup>C values were converted to calendar age using the OxCal program, with the calibration curve from IntCal20 being employed. This conversion revealed that DIC in the mangrove creek originated from SOC buried over a century ago. Given that mangroves are confined to the intertidal zone, it is likely that there are spatial constraints on the burial of SOC in mangrove ecosystems. Consequently, the transition from SOC to the DIC carbon pool in the ocean could be a key process in supporting long‐term carbon sequestration over millennia.","PeriodicalId":18143,"journal":{"name":"Limnology and Oceanography","volume":"25 1","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143920410","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hydrology mediates salt marsh belowground biomass response to warming","authors":"Andrea‐Carolin Menzel, Eva Julia Marie Ostertag, Peter Mueller, Stefanie Nolte, Roy Rich, Kai Jensen","doi":"10.1002/lno.70080","DOIUrl":"https://doi.org/10.1002/lno.70080","url":null,"abstract":"Salt marshes provide vital ecosystem services, including coastal protection and carbon sequestration. Roots play a key role in delivering these ecosystem services, as they stabilize soils and contribute to organic carbon accumulation. This study examines the impact of an experimental 3°C temperature increase in a temperate salt marsh on belowground biomass dynamics across three elevation zones (pioneer zone, low marsh, and high marsh) and two temperature treatments (ambient, + 3°C) over a period of 3 yr (2019–2021). The elevation zones reflect different hydrological conditions. We found minimal effects of warming on belowground biomass, except in the high marsh during 2019, where drought and warming caused a shift to deeper rooting depths (− 53 ± 19% in the upper soil depth, + 272 ± 129% in the lower soil depth). Overall, root biomass was lowest in the high marsh (72.0 ± 94.5 g m<jats:sup>−2</jats:sup>) and highest in the low marsh (360.2 ± 174.7 g m<jats:sup>−2</jats:sup>), followed by the pioneer zone (218.7 ± 233.8 g m<jats:sup>−2</jats:sup>). In all years, root biomass peaked in summer (248.5 ± 235.5 g m<jats:sup>−2</jats:sup>) after rising from spring (181.4 ± 183.4 g m<jats:sup>−2</jats:sup>) and declining in autumn (216.5 ± 209.4 g m<jats:sup>−2</jats:sup>). Our findings suggest that a temperature increase of + 3°C above ambient temperatures has a marginal impact on root biomass dynamics, indicating that soil‐stabilizing functions and belowground contributions to carbon sequestration may remain intact under global warming. Moreover, interactions between tidal regime and interannual precipitation patterns seem to play a more important role for root biomass variations.","PeriodicalId":18143,"journal":{"name":"Limnology and Oceanography","volume":"139 1","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143905823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Nutrient‐dependent thermal response in growth and stoichiometry of Antarctic phytoplankton","authors":"Mike Smykala, Miriam Gerhard, Christoph Plum","doi":"10.1002/lno.70045","DOIUrl":"https://doi.org/10.1002/lno.70045","url":null,"abstract":"Rising temperatures and altered nutrient supply are expected to influence future phytoplankton thermal performance and community dynamics. The thermal response of phytoplankton has been shown to be influenced by nutrient availability, but information is still limited, particularly for the coastal Southern Ocean. Additionally, environmental interactions are often tested with single species but rarely address comparisons between populations and communities. To fill this gap, we experimentally investigated the thermal response in maximum growth rate (<jats:italic>μ</jats:italic><jats:sub>max</jats:sub>), carrying capacity (<jats:italic>K</jats:italic>) and stoichiometry of three Antarctic phytoplankton species (<jats:italic>Chaetoceros simplex</jats:italic>, <jats:italic>Geminigera cryophila</jats:italic>, and <jats:italic>Phaeocystis antarctica</jats:italic>) in interaction with three nitrogen : phosphorus (N : P) ratios and identified the thermal traits of each species in monocultures and a mixed assemblage. Phytoplankton growth rate (<jats:italic>μ</jats:italic><jats:sub>max</jats:sub>) showed a typical unimodal response to temperature with a thermal optimum around 4°C and significantly higher <jats:italic>μ</jats:italic><jats:sub>max</jats:sub> with nutrient addition. The strongest temperature sensitivity to nutrient supply was observed around <jats:italic>T</jats:italic><jats:sub>opt</jats:sub> and an ambient N : P supply ratio. Thermal traits, however, showed only minor changes with nutrient supply, indicating saturated nutrient concentrations. Nutrient addition significantly increased <jats:italic>K</jats:italic> while the thermal response of <jats:italic>K</jats:italic> was constant. Phytoplankton N : P was species‐specific and significantly altered by the temperature × nutrient interaction. Species‐specific growth performance varied whether the species grew in monocultures or in communities, demonstrating that monoculture thermal performance does not necessarily predict species thermal responses in multispecies assemblages. Overall, the results indicate that increasing temperatures will push Antarctic phytoplankton closer to their thermal optimum, altering phytoplankton growth, stoichiometry, and species interactions.","PeriodicalId":18143,"journal":{"name":"Limnology and Oceanography","volume":"25 1","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143905819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Seasonal and spatial transitions in phytoplankton assemblages spanning estuarine to open ocean waters of the tropical Pacific","authors":"Sarah J. Tucker, Yoshimi M. Rii, Kelle C. Freel, Keliʻiahonui Kotubetey, A. Hiʻilei Kawelo, Kawika B. Winter, Michael S. Rappé","doi":"10.1002/lno.70075","DOIUrl":"https://doi.org/10.1002/lno.70075","url":null,"abstract":"Islands in the tropical Pacific supply elevated nutrients to nearshore waters that enhance phytoplankton biomass and create hotspots of productivity in otherwise nutrient‐poor oceans. Despite the importance of these hotspots in supporting nearshore food webs, the spatial and temporal variability of phytoplankton enhancement and changes in the underlying phytoplankton communities across nearshore to open ocean systems remain poorly understood. In this study, a combination of flow cytometry, pigment analyses, 16S rRNA gene amplicons, and metagenomic sequencing provides a synoptic view of phytoplankton dynamics over a 4‐yr, near‐monthly time series across coastal Kāneʻohe Bay, Hawaiʻi, spanning from an estuarine Indigenous aquaculture system to the adjacent offshore environment. Through comparisons with measurements taken at Station ALOHA located in the oligotrophic North Pacific Subtropical Gyre, we observed a sharp and persistent transition between picocyanobacterial communities, from <jats:italic>Synechococcus</jats:italic> clade II abundant in the nearshore to <jats:italic>Prochlorococcus</jats:italic> high‐light adapted clade II (HLII) proliferating in offshore and open ocean waters. In comparison to immediately adjacent offshore waters and the surrounding open ocean, phytoplankton biomass within Kāneʻohe Bay was dramatically elevated. Members of the phytoplankton community revealed strong seasonal patterns, while nearshore phytoplankton biomass positively correlated with wind speed, rainfall, and wind direction, and not water temperatures. These findings elucidate the spatiotemporal dynamics underlying transitions in ocean biogeochemistry and phytoplankton dynamics across estuarine to open ocean waters in the tropical Pacific and provide a foundation for quantifying deviations from baseline conditions due to ongoing climate change.","PeriodicalId":18143,"journal":{"name":"Limnology and Oceanography","volume":"48 1","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143902969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Phytoplankton community dynamics and vertical nutrient fluxes during the winter‐to‐spring transition in a monomictic temperate reservoir","authors":"Valeria Fárez‐Román, Karsten Rinke, Susanne Dunker, Henrietta Hampel, Tom Shatwell","doi":"10.1002/lno.70082","DOIUrl":"https://doi.org/10.1002/lno.70082","url":null,"abstract":"Winter phytoplankton blooms have been documented in several temperate lakes, yet the mechanisms triggering them remain poorly understood. Understanding the ecology of these blooms is key for predicting succession patterns, especially given the impact of climate change on winter conditions. To elucidate the relationships between exponential algal growth, abiotic conditions, and vertical nutrient transport, we investigated the phytoplankton community in a deep temperate reservoir during the winter‐to‐spring transition. We collected biweekly physical, chemical, and phytoplankton data, along with monthly sedimenting material data. We found that our study system can support the exponential growth of diatom species in late winter during circulation, 6–10 weeks before stratification onset, and once photosynthetically active radiation had reached 1.3 mol m<jats:sup>−2</jats:sup> d<jats:sup>−1</jats:sup>. The phytoplankton community was mainly dominated by diatoms, motile species, and <jats:italic>Planktothrix rubescens</jats:italic>. These species displayed distinct growth patterns and ecological strategies, likely as an adaptation to the varying abiotic conditions during this period. Specifically, <jats:italic>P. rubescens</jats:italic> was evenly distributed during circulation and formed a deep chlorophyll layer at ~ 11 m depth immediately after stratification onset. Additionally, a few of these dominant phytoplankton species predominantly influenced vertical nutrient transport through sedimentation. Our results demonstrate that exponential phytoplankton growth can occur in temperate lakes before stratification onset under low light conditions if there is sufficient time before grazing begins and sinking losses increase. Our findings emphasize winter's significant role in shaping species distribution in subsequent seasons and underscores the need for an annual perspective in limnology.","PeriodicalId":18143,"journal":{"name":"Limnology and Oceanography","volume":"134 1","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143901583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Increasing acidification does not affect sexual reproduction of a solitary zooxanthellate coral transplanted at a carbon dioxide vent","authors":"Chiara Marchini, Fiorella Prada, Erik Caroselli, Francesca Gizzi, Valentina Airi, Dragana Paleček, Ilaria Zuccaro Destefani, Arianna Mancuso, Umberto Valdrè, Giuseppe Falini, Zvy Dubinsky, Stefano Goffredo","doi":"10.1002/lno.70072","DOIUrl":"https://doi.org/10.1002/lno.70072","url":null,"abstract":"The absorption of atmospheric carbon dioxide is causing significant changes to the carbonate chemistry of the ocean, in a phenomenon called ocean acidification. The latter makes it potentially more difficult for marine calcifiers like corals, to build their calcium carbonate structures, thus affecting their ability to survive and reproduce. Research on how ocean acidification impacts coral sexual reproduction has focused on tropical species investigated under controlled conditions in aquaria, lacking insights into the intricate natural environment. Here we show that the sexual reproduction of the zooxanthellate solitary scleractinian <jats:italic>Balanophyllia europaea</jats:italic> transplanted at a CO<jats:sub>2</jats:sub> vent off the Island of Panarea (Tyrrhenian Sea, Italy) for up to 5 months is unaffected by decreasing pH (pH range 8.1–7.4). These findings reinforce earlier evidence, suggesting that zooxanthellate corals may exhibit a certain degree of short‐term resilience to ocean acidification. However, the interplay between ocean acidification and additional environmental stressors, including warming, will ultimately define the boundaries that distinguish winners and losers amid swift climatic changes.","PeriodicalId":18143,"journal":{"name":"Limnology and Oceanography","volume":"14 1","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143898099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pteropods as early‐warning indicators of ocean acidification","authors":"Silke Lischka, Jan Michels, Lennart Thomas Bach, Katharina Csenteri, Sonja Konschak, Stanislav N. Gorb","doi":"10.1002/lno.70079","DOIUrl":"https://doi.org/10.1002/lno.70079","url":null,"abstract":"Aragonite undersaturation ( 1) events are projected to rapidly increase in frequency and duration in the Antarctic Weddell Sea by 2050. Thecosome pteropods (pelagic snails) are bioindicators of ocean acidification (OA) because their aragonite shell dissolves easily at low saturation states. Here, we describe the shell dissolution state of the pteropod <jats:italic>Limacina helicina antarctica</jats:italic> in relation to the water column in the southern Weddell Sea during austral summer 2018 as benchmark for future monitoring of ongoing OA. depth profiles at the sampling sites were consistently close to or in the range of threshold levels ( 1.1–1.3) for pteropod shell dissolution. Pteropods contributed up to 69% of total mesozooplankton biomass, and their distribution correlated positively with and chlorophyll <jats:italic>a</jats:italic> concentration. When analyzed with scanning electron microscopy, 78% of the investigated shells exhibited dissolution, and 50–69% showed the more severe Type II dissolution exceeding current projections of pteropod shell dissolution for the Southern Ocean. But importantly, in our study, only two specimens had the most severe Type III dissolution. Dissolution often co‐occurred with and occurred in scratch marks of unclear origin supporting notions that an intact periostracum protects the shell from dissolution. Where dissolution occurred in the absence of scratches or absence of evidence of periostracum breaches, microscale/nanoscale breaches may have been an important pathway for dissolution commencement supporting recent findings of a reduction of the organic shell content caused by low /low pH. The dissolution benchmark we provide here allows future application of pteropods as early‐warning indicators of presumably progressing OA in the Weddell Sea.","PeriodicalId":18143,"journal":{"name":"Limnology and Oceanography","volume":"111 1","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143898100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Primary production drives varied zooplankton migration strength and twilight‐zone particle dynamics across ecological gradients in the western North Pacific","authors":"Zengchao Xu, Zeqi Zheng, Chao Xu, Feipeng Xu, Jixin Chen, Xin Liu, Michael R. Landry, Bangqin Huang","doi":"10.1002/lno.70074","DOIUrl":"https://doi.org/10.1002/lno.70074","url":null,"abstract":"Diel vertical migrations (DVM) of zooplankton play a crucial role in transferring organic matter efficiently to the deep ocean. However, the spatial regulatory determinants of DVM strength, including migrant biomass and migration amplitude, remain understudied. We conducted 34 stratified trawls and 85 Underwater Vision Profiler 5 casts across latitudes 12.5°N to 41.5°N in the western North Pacific and developed a structural equation model to explain DVM variability relative to measured and remotely sensed environmental data. Migrant biomass was mainly determined by net primary productivity (NPP), being two orders of magnitude greater in high NPP waters due to higher zooplankton biomass and larger migrating individuals. Migration amplitude was also larger at high NPP stations but was determined by a direct negative correlation to euphotic zone depth and an offsetting indirect positive interaction with water clarity. Migration patterns reflect the classic tradeoff between predation risk and reduced daytime feeding for regular DVM and likely avoidance of mesopelagic visual predators at night for reverse migrants. In high‐resolution profiles, particle abundances and large particle contributions increased in the twilight zone during the daytime, generally aligning with biomass distributions and respiratory fluxes of migratory zooplankton. Migrants likely contribute to mesopelagic particle dynamics with pulsed fecal matter delivery from the euphotic zone and direct interactions with deep particle fields. Mesopelagic particle dynamics might also be linked to deep migrant mortality, the least quantified component of the biological carbon pump.","PeriodicalId":18143,"journal":{"name":"Limnology and Oceanography","volume":"25 1","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143890083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}