Aquatic Sciences最新文献

{"title":"Evaluating the use of a freshwater protected area by northern pike (Esox lucius) in a large temperate lake system","authors":"Jordanna N. Bergman,&nbsp;Chantal Vis,&nbsp;Valerie Minelga,&nbsp;Joseph R. Bennett,&nbsp;Steven J. Cooke","doi":"10.1007/s00027-025-01182-2","DOIUrl":"10.1007/s00027-025-01182-2","url":null,"abstract":"<div><p>Freshwater fish populations, especially migratory species and those with larger home ranges, are declining worldwide as a result of numerous direct and indirect anthropogenic factors. Freshwater protected areas (FPAs) are an emerging conservation tool that could help mitigate freshwater biodiversity losses by offering areas within freshwater ecosystems that provide full protection to species and the critical habitats they rely on. Using acoustic telemetry, we evaluated the use of a shallow, heavily vegetated FPA by northern pike (<i>Esox lucius</i>; <i>N</i> = 29) in a large temperate lake system in Ontario, Canada from 2019 to 2021. Receivers were deployed within the FPA, in the waters adjacent to but outside of the FPA (the “boundary area”), and throughout the open-area lake basins further from the FPA. Telemetry data revealed that 46% of fish captured and released in the FPA departed and did not return (<i>N</i> = 6), while the remaining 54% exhibited fidelity (<i>N</i> = 7). Notably, northern pike spent a significant portion of time in the boundary area, potentially because it contains deeper waters (maximum 12 m) that may offer thermal refuge or transitional space for movements to the lake’s deep main basin (max 95 m). Additionally, three northern pike that were captured and released in the lake’s main basin were detected inside the boundary area; however, their use of the FPA was minimal. Our findings underscore the importance of considering habitat requirements and movement ecology of species to inform effective FPA design and identify opportunities to enhance conservation benefits provided by these areas for mobile species.</p></div>","PeriodicalId":55489,"journal":{"name":"Aquatic Sciences","volume":"87 2","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143769868","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":"Artificial intelligence as an ally to assess and manage the golden mussel (Limnoperna fortunei (Dunker, 1857)) bioinvasion","authors":"Humberto F. M. Fortunato,&nbsp;Raquel M. A. Figueira,&nbsp;Ronny F. M. de Souza,&nbsp;Nelson Theodoro Junior,&nbsp;Victor B. B. Mello","doi":"10.1007/s00027-025-01177-z","DOIUrl":"10.1007/s00027-025-01177-z","url":null,"abstract":"<div><p>Invasion of the golden mussel (<i>Limnoperna fortunei</i>) into Brazilian watersheds is still impacting energy production and aquaculture after 30 years of establishment. No control attempts have been effective and even monitoring is limited by costs and accessibility to the areas. In this context, we propose an approach that integrates traditional monitoring tools with an artificial intelligence (AI) program developed using convolutional neural networks (CNN), with the aim to identify and quantify golden mussels in two Brazilian watersheds, Paraná and São Francisco. In the latter, we conducted an additional 7-month temporal evaluation using recruitment plates. Neural networks can assist in species identification in complex environments, facilitating population monitoring and biodiversity assessment. In our study, the AI program had 85–98% accuracy compared to human measurements, demonstrating a high success rate for autonomous assessment. Independent of individual mussel size, the best feature for golden mussel detection was valve aperture. This study provides a valuable quantitative and methodological baseline regarding golden mussel infestation in Brazil, highlighting the efficiency and cost-effectiveness of the AI program for monitoring this invasive species. This technique is easily replicable and scalable, with a great potential to facilitate the work of researchers and environmental agencies worldwide as an additional tool to combat the spread of invasive species.</p></div>","PeriodicalId":55489,"journal":{"name":"Aquatic Sciences","volume":"87 2","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143688271","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":"Seasonal hydrology shapes the taxonomic and functional diversity of fish associated with aquatic macrophytes in a neotropical floodplain lake","authors":"Ruineris Almada Cajado,&nbsp;Lucas Silva de Oliveira,&nbsp;Jerry Max Sanches Corrêa,&nbsp;Fabíola Katrine Souza da Silva-Cajado,&nbsp;Diego Maia Zacardi","doi":"10.1007/s00027-025-01179-x","DOIUrl":"10.1007/s00027-025-01179-x","url":null,"abstract":"<div><p>We evaluated the influence of hydrological phases and limnological variables on the taxonomic composition and functional diversity of fish associated with aquatic macrophytes in a floodplain lake of Amazon Basin, Brazil. Sampling was conducted using seine nets across the four phases of the local hydrological cycle (rising, high-water, receding, and low-water) during the year 2018 in Lake Maicá. The species were identified and classified into four functional groups on the basis of their ecological traits (migration, life history strategy, feeding habits, and swimming performance/microhabitat use). A total of 6075 individuals were captured, representing nine orders, 26 families, and 104 species. The fish assemblages underwent changes in both taxonomic and functional structure in response to the hydrological phases and limnological variables (pH, temperature, dissolved oxygen, and water transparency), with an increase in functional diversity during the receding water and low-water phase. During the low-water period, there was an increase in the abundance of fish with life history strategies at equilibrium, small periodic species as well as invertivores, piscivores, short-distance migrants, and residents. In contrast, the rising and high-water phases contributed to higher abundances of young fish (larvae and juveniles) and medium-distance migratory fish. The synergy among these factors acts as an environmental filter in the structure of the local ichthyofauna, allowing species with antagonistic ecological traits to coexist, maintain their populations, and reduce competition for space and food under varying environmental conditions during the four phases of the annual hydrological cycle. The information presented is essential for identifying priority areas for the conservation of fish assemblages, which represent the primary source of animal protein and income for the region, and for understanding the mechanisms responsible for changes in the taxonomic and functional structure of fish in Amazonian floodplain lakes.</p></div>","PeriodicalId":55489,"journal":{"name":"Aquatic Sciences","volume":"87 2","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143668388","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":"Correction: Tracking repeat spawning anadromous fish migrations over multiple years in a fragmented river suggests philopatry and sex‑linked variation in space use","authors":"Peter Davies,&nbsp;J. Robert Britton,&nbsp;Demetra Andreou,&nbsp;Charles Crundwell,&nbsp;Jamie R. Dodd,&nbsp;Olivier Lepais,&nbsp;Andrew D. Nunn,&nbsp;Stephen Sabatino,&nbsp;Randolph Velterop,&nbsp;Jonathan D. Bolland","doi":"10.1007/s00027-025-01176-0","DOIUrl":"10.1007/s00027-025-01176-0","url":null,"abstract":"","PeriodicalId":55489,"journal":{"name":"Aquatic Sciences","volume":"87 2","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00027-025-01176-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143581027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessing the distribution and habitat suitability of Austropotamobius pallipes complex in proximity of invasive Procambarus clarkii in the Avigliana Lakes (northwest Italy): an integrated approach to ecosystem health and conservation","authors":"Alessandra Maganza,&nbsp;Alice Gabetti,&nbsp;Camilla Mossotto,&nbsp;Paolo Pastorino,&nbsp;Giuseppe Esposito,&nbsp;Matteo Riccardo Di Nicola,&nbsp;Barbara Rizzioli,&nbsp;Antonia Concetta Elia,&nbsp;Marino Prearo","doi":"10.1007/s00027-025-01175-1","DOIUrl":"10.1007/s00027-025-01175-1","url":null,"abstract":"<div><p>The white-clawed crayfish (<i>Austropotamobius pallipes</i> complex) is a crucial species complex in European freshwater ecosystems, but its population has faced severe declines since the 1860s due to pollution, habitat loss and fragmentation. The introduction of invasive crayfish species that carry the crayfish plague (<i>Aphanomyces astaci</i>), a water mold, has exacerbated this decline. The Avigliana Lakes Nature Park in Piedmont, Italy, which encompasses the Great Lake, Small Lake and Mareschi wetland, has been designated a Natura 2000 site supporting <i>A. pallipes</i>, particularly in the tributaries of the Small Lake. The aim of this study was to assess both the presence and distribution of <i>A. pallipes</i> in the study area and the physicochemical and ecological characteristics of its habitats. We also evaluated the proximity of invasive crayfish <i>Procambarus clarkii</i> populations to <i>A. pallipes</i> to further current understanding of potential health impacts and support management efforts. Macroinvertebrate monitoring was used to gauge overall ecosystem health and habitat suitability for <i>A. pallipes</i>. The results showed that <i>A. pallipes</i> was present at only two out of the six monitored sites, with no visible signs of disease. Macroinvertebrate monitoring indicated good water quality, while significant differences in pH, conductivity, and nutrient levels were found. Canonical correspondence analysis highlighted key environmental factors for <i>A. pallipes</i>, including conductivity, total dissolved solids, and vegetation. The lack of evidence for crayfish plague within the <i>P. clarkii</i> population may enable more effective management strategies and reduce potential health risks to the <i>A. pallipes</i> population. This study emphasises the need for ongoing monitoring and targeted management to mitigate invasive species’ impacts and conserve native crayfish populations.</p></div>","PeriodicalId":55489,"journal":{"name":"Aquatic Sciences","volume":"87 2","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143529970","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":"Dragonflies (Odonata) as bioindicators of the sustainability of agroforestry systems in the Atlantic Forest","authors":"Cíntia Ribeiro,&nbsp;Fernando Geraldo de Carvalho,&nbsp;Fábio de Oliveira Roque,&nbsp;John P. Simaika,&nbsp;Ulisses Gaspar Neiss,&nbsp;Laís Rodrigues Santos,&nbsp;Francisco Maciel Barbosa-Santos,&nbsp;Karolina Teixeira Silva,&nbsp;Marciel Elio Rodrigues","doi":"10.1007/s00027-025-01173-3","DOIUrl":"10.1007/s00027-025-01173-3","url":null,"abstract":"<div><p>Anthropogenic activities constitute a major threat to the physical and ecological integrity of freshwater ecosystems. Among the various anthropogenic impacts, alterations in land use and occupation patterns stand out as key drivers of aquatic ecosystem degradation and loss. In this context, agroforestry systems stand out among various land uses as an alternative for reducing environmental impacts. This study evaluated the integrity of streams in the Atlantic Forest under different land use types and their effects on dragonfly larval assemblages. Dragonfly larvae were collected in native forests, pastures, and cocoa cultivation areas, known locally as Cabruca (an agroforestry system in which Atlantic Forest trees are partially preserved, and cacao is planted in the understory). Our results revealed a difference in genus richness among the studied areas, with Cabruca areas showing higher richness and pasture areas exhibiting lower richness. We also observed variations in species composition, with native areas displaying a more homogeneous composition and pasture areas exhibiting a more heterogeneous composition. In addition, our results indicated that dragonfly larvae can serve as excellent indicators of sustainable cultivation areas. Although Cabruca areas represent a model of sustainable agriculture with the potential to contribute to biodiversity preservation, this study emphasizes that such areas cannot fully replace native habitats, reiterating the importance of conserving the remaining forests and their biodiversity.</p></div>","PeriodicalId":55489,"journal":{"name":"Aquatic Sciences","volume":"87 2","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143489464","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":"Environmental heterogeneity drives the spatial distribution of macrobenthos in the Yellow River Delta wetland","authors":"Qinglu Fu,&nbsp;Jiao Wang,&nbsp;Debin Sun,&nbsp;Jianyu Chi,&nbsp;Wenzheng Fan,&nbsp;Yu Li,&nbsp;Yilin Wang,&nbsp;Baoquan Li,&nbsp;Linlin Chen","doi":"10.1007/s00027-025-01172-4","DOIUrl":"10.1007/s00027-025-01172-4","url":null,"abstract":"<div><p>Exploring the ecological responses of organisms to environmental heterogeneity reveals crucial insights into environmental filtering processes and species distribution patterns, providing a scientific foundation for wetland management and conservation efforts. Macrobenthos play a major role in wetland ecosystem, yet simultaneously, research on biodiversity patterns and their responses to ecological factors remains insufficiently comprehensive. Therefore, we systematically investigated the spatial structure patterns and driving factors of macrobenthic communities in the Yellow River tidal zone (HT) and the Dawenliu tidal zone (DT) of the Yellow River Delta (YRD) wetland using β-diversity analysis, co-occurrence network analysis, and stability analysis. Our findings demonstrate significant differences in community composition and diversity between HT and DT. The HT exhibits higher species richness, dominated by mollusks (51%) and annelids (45%), primarily explained by salinity variations. Conversely, the DT was dominated by arthropods (74%), influenced mainly by sediment sand content. Our findings indicate that environmental heterogeneity intensifies the role of environmental filtering on species distribution. Species turnover dominated biodiversity changes in HT (52%) and DT (80%), driven significantly by sediment properties. Moreover, our research found that high species nestedness enhances the complexity of co-occurrence networks, thereby strengthening the stability of macrobenthic communities. Our study highlights the significance of species coexistence mechanisms in shaping biodiversity patterns. These research findings enhance our understanding of how environmental heterogeneity regulates community composition and sustains biodiversity, underscoring the necessity for diverse conservation strategies.</p></div>","PeriodicalId":55489,"journal":{"name":"Aquatic Sciences","volume":"87 2","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143455655","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":"Correction: Spatial and temporal taxonomic and functional beta diversity of macroinvertebrate assemblages along a tropical dammed river","authors":"Diego M. P. Castro,&nbsp;Pedro H. M. do Amaral,&nbsp;Eduardo van den Berg,&nbsp;Robert M. Hughes,&nbsp;Marcos Callisto","doi":"10.1007/s00027-025-01174-2","DOIUrl":"10.1007/s00027-025-01174-2","url":null,"abstract":"","PeriodicalId":55489,"journal":{"name":"Aquatic Sciences","volume":"87 2","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143455650","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":"Trophic niche interactions among native and non-native fish species vary spatially in one of the world's largest reservoirs","authors":"Chuansong Liao,&nbsp;Mayara Pereira Neves,&nbsp;Sandra Bibiana Correa,&nbsp;Xiaoyan Qin,&nbsp;Mantang Xiong,&nbsp;Chao Guo,&nbsp;Wei Li,&nbsp;Jing Yuan,&nbsp;Chuanbo Guo,&nbsp;Jiashou Liu","doi":"10.1007/s00027-025-01171-5","DOIUrl":"10.1007/s00027-025-01171-5","url":null,"abstract":"<div><p>The invader density impact model proposes that the impact of an invasive species may increase or decrease linearly or nonlinearly as a function of its density. The Three Gorges Reservoir (TGR), located in the upper Yangtze River Basin, supports high fish diversity, yet non-native fish species have increasingly colonized and expanded their ranges. Pelagic carnivorous <i>Coilia brachygnathus</i> (Engraulidae), native to the middle and lower reaches of the Yangtze River Basin, has colonized and rapidly expanded into the TGR, whereas its density decreases with distance from the dam. Here, we used stable isotopes to investigate similarities in trophic position, niche width, and niche overlap of <i>C. brachygnathus</i> and eight native pelagic species between the lower and upper sections of the TGR. We predicted that in higher density, <i>C. brachygnathus</i> would broaden the trophic niche, while native species would narrow theirs, reducing interspecific niche overlap. We found that <i>C. brachygnathus</i> had a narrower trophic niche in the lower section of the TGR where its density was higher. In contrast, most native species had broader niche widths than those in the upper section where the density of <i>C. brachygnathus</i> was lower. Interestingly, <i>C. brachygnathus</i> has a higher trophic position than those of most native species examined, and the trophic positions of most native species were lower in the lower section. Higher niche overlap was observed between <i>C. brachygnathus</i> and native piscivorous <i>Culter</i> spp. (Cyprinidae) in the upper section. Our findings indicate that <i>C. brachygnathus</i> influences trophic niches of native species, and the density of <i>C. brachygnathus</i> mediates the effects. Under higher density, <i>C. brachygnathus</i> and native species adjust niche width and trophic positions, consequently reducing niche overlap to alleviate competition pressure.</p></div>","PeriodicalId":55489,"journal":{"name":"Aquatic Sciences","volume":"87 2","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00027-025-01171-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143446453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Degradability and remineralization of peat-derived terrestrial dissolved organic carbon in the Sunda Shelf Sea","authors":"Yuan Chen,&nbsp;Moritz Müller,&nbsp;Alexander R. Cobb,&nbsp;Rahayu Sukmaria Sukri,&nbsp;Jens Zinke,&nbsp;R. Nagarajan,&nbsp;R. Sharveen,&nbsp;Abdulmajid Muhammad Ali,&nbsp;Patrick Martin","doi":"10.1007/s00027-025-01170-6","DOIUrl":"10.1007/s00027-025-01170-6","url":null,"abstract":"<div><p>The remineralization of terrestrial dissolved organic carbon (tDOC) plays an important role in coastal carbon and nutrient cycling, and can affect primary productivity and seawater pH. However, the fate of tDOC in the ocean remains poorly understood. Southeast Asia’s Sunda Shelf Sea receives around 10% of global tDOC input from peatland-draining rivers. Here, we performed photodegradation and long-term (2 months to 1.5 years) biodegradation experiments with samples from peatland-draining rivers and from peat tDOC-rich coastal water. We used the resulting photochemical and microbial decay rates to parameterize a 1-dimensional model simulation. This indicates that 24% and 23% of the initial tDOC entering the Sunda Shelf can be remineralized by pure photo- and pure biodegradation, respectively, after 2 years (which represents an upper limit of seawater residence time on the Sunda Shelf). We also show for the first time that the biodegradation rate of Southeast Asian peat tDOC is enhanced by prior photodegradation. Adding photo-enhanced biodegradation to our model simulation causes remineralization of an additional 16% of the initial tDOC. However, the contribution of photo-enhanced biodegradation was likely underestimated because the photo- and biodegradation steps were conducted successively in our experiments. Overall, our results suggest a notably higher contribution of photodegradation compared with other regions, owing to the combination of slow biodegradation, high solar irradiance, long water residence time on the shelf, and the photo-enhancement of the biodegradation rate. Our results are important for informing tDOC modeling studies, and highlight a need for further research on interactive photo–biodegradation of tDOC.</p></div>","PeriodicalId":55489,"journal":{"name":"Aquatic Sciences","volume":"87 2","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143438573","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}