历史上急剧的气候变化以及相关的直接和间接影响（如冰川作用和排水系统的重组）对许多水生类群的生物多样性、种系分化和当代遗传变异的形成具有重要意义。通过了解这些古老的陆地和水域景观变化对当前多样性的影响，实践者可以在制定保护策略时考虑到物种独特的进化历史。我们调查了美国内陆地区特有的极度濒危淡水贻贝 Lampsilis rafinesqueana 的种内遗传多样性。我们的研究（1）描述了种群内部和种群之间的遗传变异特征，以推断生物地理历史；（2）将遗传信息应用于潜在的保护策略。我们应用限制位点相关 DNA 测序和线粒体 DNA 测序来研究整个物种分布区中 L. rafinesqueana 种群内部和种群之间的遗传多样性。然后，我们结合历史上的河流景观过程和对保护的适用性考虑了这些信息。河流内部的变异情况类似，但我们发现了与两个主要生态区域（中部内陆高地和奥萨吉平原）相关的不同遗传种群。平原种群的 Ne 值约为高原种群的 10 倍。历史人口模型表明，这两个种群在大约 120 万年前分化，然后在大约 19700 年前，两个种群的数量都出现了大幅下降。这两个重大事件分别与历史上已知的快速气候变化时期相关。我们发现了联邦濒危贻贝 L. rafinesqueana 的两个不同种群。该物种的当代遗传多样性受到历史上气候快速变化的直接和间接影响。高原种群经历了典型的更新世后气候变化的近期扩张，同时其 Ne 值也比平原种群大得多。我们的研究结果表明，这两个不同种群之间跨代的基因流动水平较低。我们建议该物种的保护管理者在制定管理策略时考虑种群间多样性的相对差异。在许多物种中，只有在极端情况下，才会考虑在基因独特的种群之间进行辅助基因流动；然而，对于虹鳟来说，种群之间的低水平辅助迁移可能是维持自然遗传变异水平的一种有价值的策略。我们的研究表明，生物地理框架有助于制定保护策略，以保留代表目标淡水物种进化潜力的重要基因组变异。
{"title":"Riverscape genomics of the endangered freshwater mussel Lampsilis rafinesqueana","authors":"Steven R. Hein, Keaka Farleigh, David J. Berg","doi":"10.1111/fwb.14317","DOIUrl":"10.1111/fwb.14317","url":null,"abstract":"<p>\u0000 \u0000 </p>","PeriodicalId":12365,"journal":{"name":"Freshwater Biology","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/fwb.14317","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142206879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Christopher I. Rounds, Todd W. Arnold, Chan Lan Chun, Josh Dumke, Anna Totsch, Adelle Keppers, Katarina Edblad, Samantha M. García, Eric R. Larson, Jenna K. R. Nelson, Gretchen J. A. Hansen
{"title":"Aquatic invasive species exhibit contrasting seasonal detectability patterns based on environmental DNA: Implications for monitoring","authors":"Christopher I. Rounds, Todd W. Arnold, Chan Lan Chun, Josh Dumke, Anna Totsch, Adelle Keppers, Katarina Edblad, Samantha M. García, Eric R. Larson, Jenna K. R. Nelson, Gretchen J. A. Hansen","doi":"10.1111/fwb.14320","DOIUrl":"10.1111/fwb.14320","url":null,"abstract":"<p>\u0000 \u0000 </p>","PeriodicalId":12365,"journal":{"name":"Freshwater Biology","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/fwb.14320","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142206880","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mattia M. Azzella, Alice Dalla Vecchia, Thomas Abeli, Janne Alahuhta, Victor B. Amoroso, Enric Ballesteros, Vincent Bertrin, Daniel Brunton, Alexander A. Bobrov, Cecilio Caldeira, Simona Ceschin, Elena V. Chemeris, Martina Čtvrtlíková, Mary de Winton, Esperança Gacia, Oleg G. Grishutkin, Deborah Hofstra, Daniella Ivanova, Maria O. Ivanova, Nikita K. Konotop, Danelle M. Larson, Sara Magrini, Marit Mjelde, Olga A. Mochalova, Guilherme Oliveira, Ole Pedersen, Jovani B. de S. Pereira, Cristina Ribaudo, María Inmaculada Romero Buján, Angelo Troìa, Yulia S. Vinogradova, Polina A. Volkova, Daniel Basílio Zandonadi, Nadezhda V. Zueva, Rossano Bolpagni
{"title":"Global assessment of aquatic Isoëtes species ecology","authors":"Mattia M. Azzella, Alice Dalla Vecchia, Thomas Abeli, Janne Alahuhta, Victor B. Amoroso, Enric Ballesteros, Vincent Bertrin, Daniel Brunton, Alexander A. Bobrov, Cecilio Caldeira, Simona Ceschin, Elena V. Chemeris, Martina Čtvrtlíková, Mary de Winton, Esperança Gacia, Oleg G. Grishutkin, Deborah Hofstra, Daniella Ivanova, Maria O. Ivanova, Nikita K. Konotop, Danelle M. Larson, Sara Magrini, Marit Mjelde, Olga A. Mochalova, Guilherme Oliveira, Ole Pedersen, Jovani B. de S. Pereira, Cristina Ribaudo, María Inmaculada Romero Buján, Angelo Troìa, Yulia S. Vinogradova, Polina A. Volkova, Daniel Basílio Zandonadi, Nadezhda V. Zueva, Rossano Bolpagni","doi":"10.1111/fwb.14316","DOIUrl":"10.1111/fwb.14316","url":null,"abstract":"<p>\u0000 \u0000 </p>","PeriodicalId":12365,"journal":{"name":"Freshwater Biology","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/fwb.14316","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142206882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Assessing the direct and indirect effects of bigheaded carp (Hypophthalmichthys spp.) on freshwater food webs: A meta-analysis","authors":"Jillian M. Hochstrasser, Scott F. Collins","doi":"10.1111/fwb.14314","DOIUrl":"10.1111/fwb.14314","url":null,"abstract":"<p>\u0000 \u0000 </p>","PeriodicalId":12365,"journal":{"name":"Freshwater Biology","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/fwb.14314","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142206904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Issue Information - Cover and Ed Board","authors":"","doi":"10.1111/fwb.14130","DOIUrl":"https://doi.org/10.1111/fwb.14130","url":null,"abstract":"","PeriodicalId":12365,"journal":{"name":"Freshwater Biology","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/fwb.14130","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141986114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Fish size structures in lakes of the Lower Mississippi River floodplain","authors":"L. E. Miranda, D. J. Dembkowski","doi":"10.1111/fwb.14313","DOIUrl":"10.1111/fwb.14313","url":null,"abstract":"<p>\u0000 \u0000 </p>","PeriodicalId":12365,"journal":{"name":"Freshwater Biology","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142206903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Population genetic structure of the endemic sponge Lubomirskia baikalensis in Lake Baikal in the light of mass disease and mortality events","authors":"Alena Yakhnenko, Yurij Bukin, Evgeniya Bondar, Igor Khanaev, Sergei Kirilchik, Ilya Kondratov, Valeria Itskovich","doi":"10.1111/fwb.14318","DOIUrl":"10.1111/fwb.14318","url":null,"abstract":"<p>\u0000 \u0000 </p>","PeriodicalId":12365,"journal":{"name":"Freshwater Biology","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142206884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mariusz Pełechaty, Eugeniusz Pronin, Andrzej Pukacz, Karina Apolinarska
本研究确定了现存叶绿体碳酸盐的δ13C和δ18O特征（δ13CCARB和δ18OCARB）与水中溶解无机碳的δ13C和δ18O（δ13CDIC和δ18OWATER）之间的关系，以及叶绿体床的结构和环境水的物理化学性质。研究人员在中欧四个以叶绿藻为主的湖泊（Chara-lakes）中对四个形态各异的叶绿藻物种（Nitellopsis obtusa、Chara tomentosa、Chara rudis、Chara contraria）进行了研究。这些物种广泛分布在富含钙质的淡水湖泊中，在湖泊中形成了广泛的水下床，促进了钙质沉积物的沉积，因此该研究具有代表性。每月（2008 年 6 月至 9 月）在永久性研究地点对叶绿藻及其上层水体进行采样。对所有被研究的叶绿体而言，包壳的δ13C和δ18O值的变化都大于环境和浮游水体的变化。除 N. obtusa 和 C. tomentosa 外，其他物种的 δ13CCARB 值差异显著。与水中的 DIC 相比，包壳富含 13C。与 N. obtusa 和 C. contraria 相比，Chara tomentosa 结壳中的 18O 含量明显减少。与 Chara 种类相反，N. obtusa 包壳与周围水体相比富含 18O。考虑到 δ13CCARB 与 δ13CDIC 值的比较，只有细长的物种（即 N. obtusa 和 C. contraria）析出的包壳接近与水 DIC 的同位素平衡。通过冗余分析，δ13CCARB 值与δ13CDIC 和δ18OWATER 值以及植物栖息水体的百分比呈正相关。地点深度、水矿化度、碱度和肥力与 δ13CCARB 值成反比。我们推测，叶绿体包壳的稳定 C 和 O 同位素组成具有湖泊特异性而非物种特异性，叶绿体碳酸盐的同位素特征代表了整个湖泊的表层水，而不仅仅是植被覆盖的沿岸带。此外，大体积沉积物的同位素信号可以提供与特定物种同位素值同样有用的环境信息。
{"title":"Interspecies differences and lake-specificity in the δ13C and δ18O signatures of charophyte carbonate encrustations","authors":"Mariusz Pełechaty, Eugeniusz Pronin, Andrzej Pukacz, Karina Apolinarska","doi":"10.1111/fwb.14315","DOIUrl":"10.1111/fwb.14315","url":null,"abstract":"<p>\u0000 \u0000 </p>","PeriodicalId":12365,"journal":{"name":"Freshwater Biology","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141920128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The role of the environment and connectivity on multiple facets of local fish diversity in tropical headwater streams","authors":"André Ribeiro-Martins, Douglas Aviz Bastos, Leandro Melo Sousa, Tommaso Giarrizzo, Silvia Vendruscolo Milesi, Luiz Ubiratan Hepp","doi":"10.1111/fwb.14312","DOIUrl":"10.1111/fwb.14312","url":null,"abstract":"<p>\u0000 \u0000 </p>","PeriodicalId":12365,"journal":{"name":"Freshwater Biology","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141867259","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Michael R. Kendrick, Matt J. Walker, Elizabeth U. Scott, Jeanette H. Huber, Meagan B. Roy, Bronwyn W. Williams, Gregory K. Rothman, Peter R. Kingsley-Smith, Tanya L. Darden
非本地物种可通过自然和人为机制在水生生态系统中迅速传播，但这两种机制在决定物种传播方面的相对重要性并不总是很明确。红沼泽螯虾（Procambarus clarkii）已被引入多个大洲，包括美国的水体，在美国，自然和人为的传播都有可能导致其目前的分布。本研究综合比较了 P. clarkii 和几种高度优先保护的螯虾物种的历史和当代分布情况、区域实地取样以及北卡罗来纳州和南卡罗来纳州皮迪河流域的微卫星遗传方法，以了解 P. clarkii 的扩散模式及其对本地螯虾的潜在影响。实地取样和微卫星分析表明，P. clarkii种群广泛分布于整个研究区域，具有特定流域的种群遗传结构模式。在克氏原螯虾迅速扩散的同时，本土螯虾种群也在灭绝，这些本土螯虾包括瓦卡莫螯虾（Procambarus braswelli）、卡罗莱纳沙丘螯虾（Procambarus pearsei）和沿海平原螯虾（Procambarus ancylus）。P.clarkii的快速传播和本地螯虾的同时灭绝，要求进行更广泛的监管，以帮助防止通过水产养殖、投放鱼饵、宠物交易和环境教育行业有意或意外地释放非本地螯虾。
{"title":"Characterising dispersal and potential impacts of non-native red swamp crayfish (Procambarus clarkii) populations in the coastal plain region of the pee Dee River basin, U.S.A.","authors":"Michael R. Kendrick, Matt J. Walker, Elizabeth U. Scott, Jeanette H. Huber, Meagan B. Roy, Bronwyn W. Williams, Gregory K. Rothman, Peter R. Kingsley-Smith, Tanya L. Darden","doi":"10.1111/fwb.14311","DOIUrl":"10.1111/fwb.14311","url":null,"abstract":"<p>\u0000 \u0000 </p>","PeriodicalId":12365,"journal":{"name":"Freshwater Biology","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/fwb.14311","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141779538","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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