Aquatic Conservation-Marine and Freshwater Ecosystems最新文献

{"title":"Assessment of Octocoral-Dominated Benthic Assemblages Along a Mesophotic Gradient, With a Focus on the Impact of Lost Fishing Gears","authors":"Nils Lucas Jacobsen,&nbsp;Camilla Roveta,&nbsp;Torcuato Pulido Mantas,&nbsp;Martina Coppari,&nbsp;Cristina Gioia Di Camillo,&nbsp;Barbara Calcinai,&nbsp;Carlo Cerrano","doi":"10.1002/aqc.4248","DOIUrl":"https://doi.org/10.1002/aqc.4248","url":null,"abstract":"<p>Coralligenous, a typical Mediterranean mesophotic habitat, is a highly diverse assemblage, severely threatened by several stressors, including fishing litter. To characterise the coralligenous of the upper mesophotic of the Portofino Promontory (Ligurian Sea, Italy), video transects at 35 and 50 m depth were performed at four sites. Benthic assemblages and lost fishing gears were recorded, and the two depths compared. A higher coverage of taxa with complex 3D structures was found at 50 m, mainly due to the gorgonian <i>Paramuricea clavata</i>. However, the overall low density of this species (0.4–6.6 colonies/m²), together with the impact caused by 120 fishing lines found along the transects, highlights the need for tailored conservation measures. With climate change moving further down the water column and fishing impacts being a major cause of degradation, the design of marine protected areas needs to be extended to include mesophotic depths, contributing to the 30 × 30 targets agreed upon at the COP15.</p>","PeriodicalId":55493,"journal":{"name":"Aquatic Conservation-Marine and Freshwater Ecosystems","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aqc.4248","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142165211","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":"Genetic Diversity and Population Dynamics of Lobodon carcinophaga in Danco Coast, Antarctica","authors":"Laura Prosdocimi,&nbsp;Ezequiel Alejandro Ibañez,&nbsp;María Constanza Gariboldi,&nbsp;Javier Negrete,&nbsp;Magalí Bobinac,&nbsp;Humberto Luis Cappozzo,&nbsp;Juan Ignacio Túnez","doi":"10.1002/aqc.4246","DOIUrl":"https://doi.org/10.1002/aqc.4246","url":null,"abstract":"<div>\u0000 \u0000 <p>The crabeater seal (<i>Lobodon carcinophaga</i>) is the most common Antarctic seal; however, it remains understudied regarding genetic aspects. This research examined the genetic diversity and population dynamics of the Danco Coast population in the Antarctic Peninsula and compared it with the Western Antarctica population. Twenty novel haplotypes were identified, revealing a stable population phase and a brief expansion. The high genetic diversity aligns with those found in similar species and environments. Historical population dynamics correlate with Pleistocene climate shifts, shedding light on climate change's impact on Antarctic ecosystems. This study increases our understanding of Antarctic seal species, contributing to the region's guidelines to improve environmental conservation policies in the Antarctic sector.</p>\u0000 </div>","PeriodicalId":55493,"journal":{"name":"Aquatic Conservation-Marine and Freshwater Ecosystems","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142100351","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":"Site Selection Criteria and Recommendations for the Restocking of Juveniles of River Prawn Cryphiops caementarius in the Semiarid Region of Chile: A Basin and Participatory Approach","authors":"Carlos Velásquez,&nbsp;Yeriko Alanís,&nbsp;Luis Henríquez-Antipa,&nbsp;P. Francisco Cárcamo","doi":"10.1002/aqc.4249","DOIUrl":"https://doi.org/10.1002/aqc.4249","url":null,"abstract":"<div>\u0000 \u0000 <p>The fishery of the river prawn <i>Cryphiops caementarius</i> in semiarid basins of northern Chile constitutes a small-scale artisanal activity, developed in fragmented habitats with extended periods of drought, which represents a severe threat for the conservation of its populations. Fishers filed an environmental complaint for massive prawn mortalities caused by river channellings in the Choapa River basin. The government promoted a participatory program with fishers to carry out a restocking initiative in this basin, releasing ~4000 hatchery reared juveniles. The aim of this study was to evaluate site selection criteria for the releases, which included ecological variables relevant to the life habits of juveniles. These criteria incorporated background of the natural history of the species, seasonal monitoring of habitat indicators (fluvial habitat index and hydraulic stress index) and recommendations of fishers (traditional ecological knowledge). This study demonstrated that the integration of these criteria and restocking sciences based on aquaculture is beneficial when selecting the release site, with a high coincidence of ecological characteristics for <i>C. caementarius</i> to thrive. The results of this experience are discussed, emphasizing the pioneering character of this type of measure in freshwater crustaceans in Chilean basins, the ecological framework used to responsibly assist these measures in basins with intense anthropogenic impacts and recommendations that allow the improvement of the releases and monitoring efforts of this species, considering the drought scenario that affects this region of Chile.</p>\u0000 </div>","PeriodicalId":55493,"journal":{"name":"Aquatic Conservation-Marine and Freshwater Ecosystems","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142100259","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":"When Methodological Innovation Changes the Game: A 10-Year Review of Environmental DNA (eDNA) Applied to Crayfish","authors":"Thomas Baudry,&nbsp;Valentin Vasselon,&nbsp;Carine Delaunay,&nbsp;Michael Sweet,&nbsp;Frédéric Grandjean","doi":"10.1002/aqc.4245","DOIUrl":"https://doi.org/10.1002/aqc.4245","url":null,"abstract":"<p>The use of environmental DNA (eDNA) as a tool for monitoring represents a major innovative advance in environmental science, one that enables the detection of species without the need to observe or capture them. This article assesses the state of play of eDNA research targeting crayfish. We found a total of 41 peer-reviewed articles published between 2014 and 2023 on both native and invasive species. Most studies focused on invasive species (or a native/invasive species co-detection assessment) (65.8%). There was also a clear geographical bias across studies, with more than half conducted in Europe (51.2%) and a quarter in the United States (26.8%). In contrast, there were none conducted in Africa. The relatively large number of published studies has led to an interesting diversity of protocols designed or utilized, with most favouring the development of their own assays (69.33%). That said, filtration (as an eDNA capture method) was common (80.5%), along with the use of commercially available eDNA extraction kits (69.8%). The COI gene also appeared to be the preferred target region (89.33%). Such range of protocols is interesting, but is it optimal? Are the best protocols always being utilized? Or is the chance for novel application hampering our ability to explore larger trends across studies?</p>","PeriodicalId":55493,"journal":{"name":"Aquatic Conservation-Marine and Freshwater Ecosystems","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aqc.4245","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142100350","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":"Croatian Brackish Karst Spring Lake Jezero Blaca in Pelješac Peninsula Reveals Interesting Truncatelloid Gastropods Assemblage","authors":"Aleksandra Jaszczyńska,&nbsp;Jozef Grego,&nbsp;Sebastian Hofman,&nbsp;Roman Ozimec,&nbsp;Artur Osikowski,&nbsp;Andrzej Falniowski","doi":"10.1002/aqc.4247","DOIUrl":"https://doi.org/10.1002/aqc.4247","url":null,"abstract":"<div>\u0000 \u0000 <p>Jezero Blaca is a unique spring lake situated at the northern coast of the Pelješac Peninsula near the village Duba Pelješka in South Dalmatia, Croatia. The lake supported by a karstic spring located near the Adriatic seashore is inhabited by unusually rich brackish water truncatelloid assemblage. The position of the lake near seashore evokes a model of sea invertebrate gradual adaptation to freshwater spring head allowing them to further invade the stygobiont karst conduits. Similar lakes could be the marine gateways of the extraordinarily rich Dinaric stygobiont fauna. The main aim of this study was to sample and barcode the aquatic snails found in this locality to check their species affiliation and describe conservation needs. The results confirmed that the locality hosts four interesting representatives of the gastropod superfamily Truncatelloidea, which has never been found syntopically so far. One of the species characterized by unique COI sequences and was described herein as <i>Truncatella dalmatica</i> new sp. The conservation need of this unique and understudied habitat type is discussed.</p>\u0000 </div>","PeriodicalId":55493,"journal":{"name":"Aquatic Conservation-Marine and Freshwater Ecosystems","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142100258","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":"Habitat Selection and Negative Effect of River Regulation on the Abundance of the Common Sandpiper (Actitis hypoleucos), a Riparian Shorebird","authors":"Marek Elas,&nbsp;Ewa Grabska-Szwagrzyk,&nbsp;Włodzimierz Meissner","doi":"10.1002/aqc.4243","DOIUrl":"https://doi.org/10.1002/aqc.4243","url":null,"abstract":"<div>\u0000 \u0000 <p>\u0000 \u0000 </p><ol>\u0000 \u0000 \u0000 <li>Rivers and other freshwater ecosystems have been severely changed by humans. This resulted in a distinct decline in the abundance of many aquatic organisms, as well as those living in water-dependent habitats. Our work aimed to study the habitat selection of breeding common sandpipers (<i>Actitis hypoleucos</i>) and the impact of river regulation on the occurrence of this species.</li>\u0000 \u0000 \u0000 <li>Data were collected on a 100-km stretch of the Vistula River, a semi-natural, lowland and large European river. The distribution of birds was determined based on two censuses, while environmental variables were collected based on Sentinel-2 satellite imagery classification, digital elevation model (DEM), digital surface model (DSM) and official data of river regulations.</li>\u0000 \u0000 \u0000 <li>The length of the shoreline of either the river or vegetated islands had a positive effect on the number of breeding territories of the common sandpiper. This indicates the importance of the presence of a natural riverbed with a complex shoreline. Moreover, sandpipers preferred islands over the river shores as nesting habitat. River regulations, such as groynes and riprap, had a negative impact on the abundance of breeding common sandpipers even though the river regulation was not intensive. The negative effect has been persisting for many years after the regulation was implemented, despite the degradation of regulatory structures over this period.</li>\u0000 </ol>\u0000 \u0000 </div>","PeriodicalId":55493,"journal":{"name":"Aquatic Conservation-Marine and Freshwater Ecosystems","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142100256","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":"Evaluating UAV-based multispectral imagery for mapping an intertidal seagrass environment","authors":"Eylem Elma,&nbsp;Rachel Gaulton,&nbsp;Thomas R. Chudley,&nbsp;Catherine L. Scott,&nbsp;Holly K. East,&nbsp;Hannah Westoby,&nbsp;Clare Fitzsimmons","doi":"10.1002/aqc.4230","DOIUrl":"https://doi.org/10.1002/aqc.4230","url":null,"abstract":"<p>\u0000 </p>","PeriodicalId":55493,"journal":{"name":"Aquatic Conservation-Marine and Freshwater Ecosystems","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aqc.4230","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142077911","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":"Hatcheries maintain high genetic variation but show shifts in genetic structure of progenies of five endangered riffleshell species (Epioblasma) (Bivalvia: Unionidae) of the eastern United States","authors":"Jess W. Jones,&nbsp;Katlyn Ortiz,&nbsp;Timothy W. Lane,&nbsp;Sarah Colletti,&nbsp;Tiffany Leach,&nbsp;Monte McGregor,&nbsp;Julieann Jacobs,&nbsp;Eric M. Hallerman","doi":"10.1002/aqc.4223","DOIUrl":"https://doi.org/10.1002/aqc.4223","url":null,"abstract":"<p>\u0000 </p>","PeriodicalId":55493,"journal":{"name":"Aquatic Conservation-Marine and Freshwater Ecosystems","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aqc.4223","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142077913","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":"Bioecological Attributes as Predictors of Global Extinction Risk for Marine Chondrichthyans (Chondrichthyes, Huxley, 1880)","authors":"Cicero Diogo L. Oliveira,&nbsp;Janaine Conceição da Silva,&nbsp;Richard J. Ladle,&nbsp;Vandick S. Batista","doi":"10.1002/aqc.4238","DOIUrl":"https://doi.org/10.1002/aqc.4238","url":null,"abstract":"<div>\u0000 \u0000 <p>\u0000 \u0000 </p><ol>\u0000 \u0000 \u0000 <li>Marine chondrichthyans are experiencing a global decline, but identifying appropriate conservation actions is challenging due to the lack of basic biological information, such as growth parameters and reproduction. In this study, we identify biological and ecological attributes that can be both easily obtainable and are effective predictors of extinction threat.</li>\u0000 \u0000 \u0000 <li>A bioecological attribute database was constructed for marine chondrichthyan species, including information on maximum length, habitat, reproductive mode, trophic level and conservation status, among others. Data sources included the Shark-References, IUCN and FishBase databases. Following this, a generalized linear model was built with conservation status as the response variable and bioecological attributes as explanatory variables, and the model's accuracy was tested for each group. Then, the model was applied to species not yet classified (data deficient [DD] or not evaluated [NE]) to determine their probability of extinction risk.</li>\u0000 \u0000 \u0000 <li>In total, data were compiled for 1225 species of marine Chondrichthyes (537 sharks, 636 rays and 52 chimaeras); approximately 20% of these species are classified as DD or NE. The model demonstrated high accuracy overall: 95% for chimaeras, 77% for rays and 72% for sharks. Our analysis indicates that, among the species that are classified as DD or NE, 58% of rays, 44% of sharks and 66% of chimaeras may be at risk of extinction.</li>\u0000 \u0000 \u0000 <li>These results clearly demonstrate how bioecological attributes can serve as proxies of extinction risk in Chondrichthyes and provide a solid foundation for conservation planning and prioritization for this ecologically important yet data poor taxon.</li>\u0000 </ol>\u0000 \u0000 </div>","PeriodicalId":55493,"journal":{"name":"Aquatic Conservation-Marine and Freshwater Ecosystems","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142077912","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":"Aerial Video Surveys and Spatial Prioritization Reveal Conservation Opportunities for Endangered Dugongs in New Caledonia","authors":"Laura Mannocci,&nbsp;Solène Derville,&nbsp;Raphael Seguin,&nbsp;David Mouillot","doi":"10.1002/aqc.4237","DOIUrl":"https://doi.org/10.1002/aqc.4237","url":null,"abstract":"<p>\u0000 \u0000 </p>","PeriodicalId":55493,"journal":{"name":"Aquatic Conservation-Marine and Freshwater Ecosystems","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aqc.4237","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142041516","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}