Annales De Limnologie-international Journal of Limnology最新文献

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Temporal variation in Oligochaeta species composition in an anthropized stretch of a Neotropical urban river 新热带城市河流人源化河段中寡毛纲物种组成的时间变化
IF 1 4区 环境科学与生态学
Annales De Limnologie-international Journal of Limnology Pub Date : 2022-01-01 DOI: 10.1051/limn/2022006
J. Rosa, Felipe Rafael de Oliveira, L. Pereira, Merieli de Melo Silva, Ana Carolina De Deus Bueno-Krawczyk
{"title":"Temporal variation in Oligochaeta species composition in an anthropized stretch of a Neotropical urban river","authors":"J. Rosa, Felipe Rafael de Oliveira, L. Pereira, Merieli de Melo Silva, Ana Carolina De Deus Bueno-Krawczyk","doi":"10.1051/limn/2022006","DOIUrl":"https://doi.org/10.1051/limn/2022006","url":null,"abstract":"Aquatic environments in urban centers suffer constantly from changes in limnological variables, mainly due to increased pollution in these systems. Aquatic Oligochaeta are bioindicators of environmental change. The Iguaçu River is the second most polluted river in Brazil and in the Middle Iguaçu region is used for the public water supply. Efforts to understand the dynamics and conservation of this river are necessary, since this region has a gap in studies with aquatic invertebrates. Thus, the aim of this study was to investigate temporally the Oligochaeta species composition and the beta diversity of an anthropized stretch of a subtropical urban river, predicting that changes in abiotic variables cause changes in species composition and decrease the beta diversity over the years. We measured abiotic variables (water temperature, dissolved oxygen, electrical conductivity, pH, organic matter, aluminum and lead) and collected sediment samples using a grab in a stretch of the Iguaçu River over three years. We recorded 35 species of Oligochaeta and observed that changes in abiotic variables caused changes in species composition and beta diversity over the years, corroborating our prediction. The abiotic variables electrical conductivity, organic matter and aluminum were negatively related to species composition. In conclusion, the stretch studied in the middle Iguaçu showed an evident inter-annual variation in the Oligochaeta species composition, with a tendency to decrease the beta diversity, probably caused by changes in the abiotic variables.","PeriodicalId":7903,"journal":{"name":"Annales De Limnologie-international Journal of Limnology","volume":"5 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79492788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}
引用次数: 4
Phytoplankton community composition variation under natural and prolonged saline intrusion simulations 自然和长时间盐水入侵模拟下浮游植物群落组成变化
IF 1 4区 环境科学与生态学
Annales De Limnologie-international Journal of Limnology Pub Date : 2022-01-01 DOI: 10.1051/limn/2022001
Trang Cong Nguyen, Hoa Van Au, Giang Trung Tran, P. Nguyen, Ut Ngoc Vu
{"title":"Phytoplankton community composition variation under natural and prolonged saline intrusion simulations","authors":"Trang Cong Nguyen, Hoa Van Au, Giang Trung Tran, P. Nguyen, Ut Ngoc Vu","doi":"10.1051/limn/2022001","DOIUrl":"https://doi.org/10.1051/limn/2022001","url":null,"abstract":"This study assessed phytoplankton community composition variation under two discrete salinity intrusion rate experiments. Experiment 1 simulated salinization under short-term, natural tidally induced rates of salinity change typical of the Mekong Delta, Vietnam (0–30‰ in 6 h), while Experiment 2 simulated salinization under a longer, more gradual rate of salinity change (0–30‰ at 5‰ increase per week). Phytoplankton community composition was, overall, more abundant following prolonged salinity change (Experiment 2) than rapid, tidally-induced salinity change (Experiment 1). Under both experimental conditions phytoplankton species number and density varied with changes in salinity, indicating a strong effect of salinity regardless of its rate of change. At the end of the salinity acclimation, Cyanobacteria, Chlorophyta, Euglenophyta and Bacillariophyta were all most abundant at a salinity of 5‰ after a short-term tidally simulated change in salinity, but with a longer, more gradual change in salinity, the abundance of different groups varied with salinity; With a longer, more gradual change in salinity, Chlorophyta was most abundant at 5–10‰ salinity, while Cyanobacteria, Euglenophyta and Bacillariophyta were all most abundant at a salinity of 5‰. The species composition in treatments of less than 10‰ had high similarity with the freshwater environment while treatments of 30‰ (Experiment 1) and 25‰ (Experiment 2) had high similarity with the natural seawater environment. This study demonstrates the utility of mesocosm experiments for understanding phytoplankton community composition variation in natural aquatic ecosystems under rapid and prolonged saline intrusion rates and predicting associated impacts on food webs in natural water bodies and aquaculture systems.","PeriodicalId":7903,"journal":{"name":"Annales De Limnologie-international Journal of Limnology","volume":"15 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85282059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}
引用次数: 0
Decline in the number and size of populations of two Lymnaeidae living in central France over the last decade 在过去的十年里,生活在法国中部的两种林蝇科的数量和规模都在下降
IF 1 4区 环境科学与生态学
Annales De Limnologie-international Journal of Limnology Pub Date : 2022-01-01 DOI: 10.1051/limn/2022011
P. Vignoles, G. Dreyfuss, D. Rondelaud
{"title":"Decline in the number and size of populations of two Lymnaeidae living in central France over the last decade","authors":"P. Vignoles, G. Dreyfuss, D. Rondelaud","doi":"10.1051/limn/2022011","DOIUrl":"https://doi.org/10.1051/limn/2022011","url":null,"abstract":"Field investigations in 2013–2014 on acid soils and in 2016–2017 on sedimentary soils showed that populations of two lymnaeids had decreased in number in central France since 1998. As several heat waves occurred in this region in 2018, 2019 and 2020, it was useful to check whether this decline had further increased in recent years. Surveys in 56 farms in the north-west and west of the Haute Vienne department (acid soils) and 37 farms in the south of Indre (sedimentary soils) were therefore carried out in 2020 and 2021 and the results obtained were compared with those recorded by our team in the same farms in 2013–2014 and 2016–2017. On acid soils, the overall number of populations decreased by 34.7% for Galba truncatula (out of 813 populations in 2013–2014) and 22% for Omphiscola glabra (out of 550), while it decreased by 25% for G. truncatula (out of 361 in 2016–2017) and 15.2% for O. glabra (out of 205) on sedimentary soils. Similarly, the overall density of overwintering snails significantly decreased by 80.7% for G. truncatula and 70.2% for O. glabra on acid soils, while it significantly decreased by 64.1% and 38.3%, respectively, on sedimentarym soils. In both cases, these decreases were more marked on acid soils than on sedimentary soils. In contrast, the habitats of G. truncatula and most of those colonized by O. glabra showed no significant variation in their area between the two periods of study. The decline in the number of these lymnaeid populations, observed since 1998, is still continuing today in central France and may be due in part to heatwave episodes s that occurred in 2018, 2019 and 2020 in this region.","PeriodicalId":7903,"journal":{"name":"Annales De Limnologie-international Journal of Limnology","volume":"12 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87950532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}
引用次数: 1
Seasonal variation in population structure and sexual maturity of Sylviocarcinus pictus (Decapoda: Trichodactylidae) in a Neotropical intermittent river 新热带断续河流中木爪蝗种群结构和性成熟的季节变化
IF 1 4区 环境科学与生态学
Annales De Limnologie-international Journal of Limnology Pub Date : 2022-01-01 DOI: 10.1051/limn/2022007
D. Ríos, V. Damasceno, D. Alves, W. Souto, Bruno Pralon
{"title":"Seasonal variation in population structure and sexual maturity of Sylviocarcinus pictus (Decapoda: Trichodactylidae) in a Neotropical intermittent river","authors":"D. Ríos, V. Damasceno, D. Alves, W. Souto, Bruno Pralon","doi":"10.1051/limn/2022007","DOIUrl":"https://doi.org/10.1051/limn/2022007","url":null,"abstract":"Sylviocarcinus pictus is a South American freshwater crab recently recorded for the first time in the Caatinga biome. Our objective was to characterize the population and reproductive biology of S. pictus from the semi-arid northeastern region of Brazil and verify the influence of seasonal environmental changes in this population. The crabs were collected from a stretch of Guaribas River, PI, Brazil, every month between October 2013 and September 2014. The crabs were identified, sexed and the carapace width (CW) was measured. Physiological sexual maturity was determined based on the gonadal development stage. A total of 178 crabs were obtained (111 males and 67 females), with a sex ratio biased towards males 1.66:1. The number of crabs collected was higher in the months of drought. Males and females reach physiological sexual maturity with 36.80 and 34.20 mm of CW, respectively. The occurrence of individuals with developed or developing gonads throughout the study indicates that these crabs reproduce continuously during the year, although recruitment was higher in February and May. Our results indicate that this population uses a reproductive strategy to optimize its reproductive fitness in an intermittent environment.","PeriodicalId":7903,"journal":{"name":"Annales De Limnologie-international Journal of Limnology","volume":"30 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81440656","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}
引用次数: 1
Feeding ecology, trophic interaction and resource partitioning among four omnivorous finfish species of a tropical Estuary 热带河口四种杂食性鱼类的摄食生态、营养相互作用及资源分配
IF 1 4区 环境科学与生态学
Annales De Limnologie-international Journal of Limnology Pub Date : 2022-01-01 DOI: 10.1051/limn/2022012
Snigdhodeb Dutta
{"title":"Feeding ecology, trophic interaction and resource partitioning among four omnivorous finfish species of a tropical Estuary","authors":"Snigdhodeb Dutta","doi":"10.1051/limn/2022012","DOIUrl":"https://doi.org/10.1051/limn/2022012","url":null,"abstract":"A crucial aspect of sustainable resource management is understanding the trophic interactions amongst fish in the estuarine ecosystem. The goal of this study was to look into the food preferences, feeding strategies, trophic partitioning, as well as dietary overlap among four omnivorous species that live in the Cochin Estuary: Mugil cephalus (n = 73), Planiliza parsia (n = 35), Planiliza planiceps (n = 65) and Chanos chanos (n = 55) through the analyses of gut-content. Index of relative importance demonstrated that prey items in Mugil cephalus and Planiliza planiceps guts were dominated by Bacillariophyceae whereas in Planiliza parsia and Chanos chanos guts were dominated by Myxophyceae. The highest diet value (7.5) was recorded in Chanos chanos, while the lowest was recorded in Mugil cephalus (5.69). The highest niche breadth value (0.77) was recorded in Planiliza planiceps while the lowest value was recorded in Planiliza parsia (0.52). Pianka's overlap, evaluated with the help of null models structured by Ecosim 7.0, showed remarkable niche overlap between Mugil cephalus and Planiliza planiceps (0–0.92, P < 0.001), between Planiliza planiceps and Planiliza parsia ( 0–0.77, P < 0.05) and between Mugil cephalus and Planiliza parsia ( 0–0.7, P < 0.05). The fish's trophic niche width, along with prey-specific abundance confirmed that they are generalist feeders. The present results differed from the general hypothesis related to the omnivorous species and concluded that these four omnivorous species live in the same niche zones of the Cochin Estuary with no interspecific conflict.","PeriodicalId":7903,"journal":{"name":"Annales De Limnologie-international Journal of Limnology","volume":"97 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84510001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}
引用次数: 2
The Effects of Environmental Variables on the Distribution of Immature Black Flies (Diptera, Simuliidae) in Various Streams of Northeastern Turkey 环境变量对土耳其东北部不同河流黑蝇幼蝇(双翅目,拟蝇科)分布的影响
IF 1 4区 环境科学与生态学
Annales De Limnologie-international Journal of Limnology Pub Date : 2022-01-01 DOI: 10.1051/limn/2022015
Özge Başören, N. Kazancı
{"title":"The Effects of Environmental Variables on the Distribution of Immature Black Flies (Diptera, Simuliidae) in Various Streams of Northeastern Turkey","authors":"Özge Başören, N. Kazancı","doi":"10.1051/limn/2022015","DOIUrl":"https://doi.org/10.1051/limn/2022015","url":null,"abstract":"The Eastern Black Sea Region of Turkey is located in the Caucasus Ecoregion and is one of the richest regions of the world in terms of biodiversity. Black flies are an important part of the biodiversity of running waters in the region. To determine the Simuliidae fauna of this region and understand the relationships between species distribution and environmental variables, 41 sites, mostly unpolluted or slightly polluted, were sampled in July 2008 and June 2009. A total of 3309 simulids and 20 species were identified. The most frequent and the most abundant species were Simulium variegatum Meigen, 1818, Simulium bezzii Corti, 1914, and Simulium trifasciatum Curtis, 1839. Simulium costatum Friedrichs, 1920, Simulium argenteostriatum Strobl, 1898, Simulium angustipes Edwards, 1915, Simulium balcanicum Enderlein, 1924, and Simulium pseudequinum Seguy, 1921 were positively correlated with NO2–N, water temperature, and pH but negatively correlated with PO4–P and dissolved oxygen. Simulium argyreatum Meigen, 1838, S. variegatum, and S. trifasciatum were positively correlated with dissolved oxygen. Simulium ornatum Meigen, 1818 was negatively correlated with pH. Prosimulium tomosvaryi Enderlein, 1921, Simulium cryophilum Rubtsov, 1959, Simulium vernum Macquart, 1826, and Simulium hispaniola Grenier and Bertrand, 1954 were negatively correlated with electrical conductivity. The results indicate that black flies, like other benthic macroinvertebrates, also respond to changes in environmental conditions with changes in composition and distribution. We hope that our research will contribute to biomonitoring studies in the future.","PeriodicalId":7903,"journal":{"name":"Annales De Limnologie-international Journal of Limnology","volume":"59 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80686010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}
引用次数: 1
Application of jute mattings to control growth of submerged macrophytes in a shallow clear-water pond 黄麻垫地控制浅水塘淹没植物生长的应用
IF 1 4区 环境科学与生态学
Annales De Limnologie-international Journal of Limnology Pub Date : 2022-01-01 DOI: 10.1051/limn/2022013
K. Francová, Lukáš Veselý, J. Vrba, Jindřich Duras
{"title":"Application of jute mattings to control growth of submerged macrophytes in a shallow clear-water pond","authors":"K. Francová, Lukáš Veselý, J. Vrba, Jindřich Duras","doi":"10.1051/limn/2022013","DOIUrl":"https://doi.org/10.1051/limn/2022013","url":null,"abstract":"The jute mattings of two different densities were tested to control growth of Elodea canadensis Michx. and Myriophyllum spicatum L. in the Velký Bolevecký pond (West Bohemia, Czechia) during fourteen months. Both jute densities prove to be effective, permeable and stayed intact for one year. Results showed significant interaction among species, jute density and date in both abundance and length of Elodea and Myriophyllum fragments. When tested separately, we found the significant difference between abundance of Elodea and Myriophyllum fragments on the jute mattings, among the sites, and in time, but not between the two jute densities. Elodea dominated the sites due to spread of fragments from mowing that continued at the pond. However, the fragment length of given species varied between the two jute densities. They might easier root, but it could be also explained by the variability of sampled quadrats. Fragment lengths of Elodea and Myriophyllum were also changing in time but the length did not significantly differ between the two species or among the sites. Although Elodea and Myriophyllum dominated the jute mattings by the end, their progress was slower than in control sites.","PeriodicalId":7903,"journal":{"name":"Annales De Limnologie-international Journal of Limnology","volume":"18 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86209148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}
引用次数: 0
Drivers of the diversity of diatoms in an oligotrophic Andean stream 安第斯少营养河流中硅藻多样性的驱动因素
IF 1 4区 环境科学与生态学
Annales De Limnologie-international Journal of Limnology Pub Date : 2022-01-01 DOI: 10.1051/limn/2022003
Jhon C. Donato-R., Hooz A. Mendivelso, Edna L. Pedraza-Garzón, S. Sabater
{"title":"Drivers of the diversity of diatoms in an oligotrophic Andean stream","authors":"Jhon C. Donato-R., Hooz A. Mendivelso, Edna L. Pedraza-Garzón, S. Sabater","doi":"10.1051/limn/2022003","DOIUrl":"https://doi.org/10.1051/limn/2022003","url":null,"abstract":"An in situ experiment determined that the addition of ammonia N-NH4+, nitrate N-NO3– and phosphate P-PO43– to an oligotrophic Andean stream significantly affected diatom composition and diversity. Over a nine-month period, fertilized and non-fertilized sections of the stream were studied for their environmental characteristics and diatom composition. Nutrient concentrations were increased three times in a downstream section with respect to those occurring naturally upstream. Alpha diversity (Shannon-Wiener [H”] and Simpson [S] indices) were determined monthly. In the non-fertilized control section, diatom diversity was significantly (p ≤ 0.05) related to water flow and P and N concentrations. In the fertilized section diversity was associated to the enhanced ammonia and phosphorus. A redundancy analysis (RDA) showed that conductivity, water flow and nutrient concentrations contributed to the diatom assemblage composition (83% along the first two axes). Achnanthidium minutissimum, Cocconeis placentula, and Epithemia sorex occurrence was related to low phosphorus concentration. Epithemia adnata var. minor, Nitzschia dissipata, and Reimeria sinuata were associated with high P concentrations, high water flow and low conductivity Navicula rynchocephala, Gomphonema parvulum, Navicula capitatoradiata, and Melosira varians were associated with high P.","PeriodicalId":7903,"journal":{"name":"Annales De Limnologie-international Journal of Limnology","volume":"17 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76186022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}
引用次数: 0
A few words from the new Editor-in-Chief 新主编说几句话
IF 1 4区 环境科学与生态学
Annales De Limnologie-international Journal of Limnology Pub Date : 2022-01-01 DOI: 10.1051/limn/2021020
Stéphane Jacquet
{"title":"A few words from the new Editor-in-Chief","authors":"Stéphane Jacquet","doi":"10.1051/limn/2021020","DOIUrl":"https://doi.org/10.1051/limn/2021020","url":null,"abstract":"","PeriodicalId":7903,"journal":{"name":"Annales De Limnologie-international Journal of Limnology","volume":"86 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75704769","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}
引用次数: 0
Beaver-created microhabitats in a small water body and their impact on flora and fauna (the Khoper River floodplain, Russia) 海狸在一个小水体中创造的微栖息地及其对动植物的影响(俄罗斯霍珀河洪泛平原)
IF 1 4区 环境科学与生态学
Annales De Limnologie-international Journal of Limnology Pub Date : 2022-01-01 DOI: 10.1051/limn/2022016
Ivan W. Bashinskiy
{"title":"Beaver-created microhabitats in a small water body and their impact on flora and fauna (the Khoper River floodplain, Russia)","authors":"Ivan W. Bashinskiy","doi":"10.1051/limn/2022016","DOIUrl":"https://doi.org/10.1051/limn/2022016","url":null,"abstract":"This study shows how beaver digging activity can affect water body morphology and local biota under modern environmental conditions in a small floodplain lake. The total area of microhabitats created by beavers was found to reach 7% of water body area and 30% of littoral-zone area. It was noted that the zoogenic microhabitats are different when depth is greater and plant cover is smaller, especially of emergent vegetation. Helophytes Sparganium erectum and Alopecurus aequalis were found to prefer the beaver-unaffected part of the littoral. Invertebrates Naucoris sp. and Hydrophilus sp. prefer beaver microhabitats, whereas Planorbis planorbis, Lymnaea palustris, and Hydrous sp. prefer thickets of emergent plants in beaver-unaffected littoral areas. Adult crucian carps Carassius carassius proved to be abundant in the beaver-unaffected part of the water body, while the adult weatherfish Misgurnus fossilis prefers beaver burrows, and its fry inhabit beaver-unaffected sites. A similar situation was observed for marsh frogs Pelophylax ridibundus: adults prefer beaver microhabitats in June, but frog tadpoles mainly inhabit a beaver-unaffected littoral. Tadpoles of Pelobates vespertinus proved to be slightly aggregated near beaver burrows in July. The beaver activity was found to slightly increase β-diversity within the water body according to Jaccard indices. The results confirm that the beaver-created heterogeneity is important for aquatic biota under conditions of shallowing of floodplain water bodies.","PeriodicalId":7903,"journal":{"name":"Annales De Limnologie-international Journal of Limnology","volume":"43 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74185853","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}
引用次数: 0
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