F. Bottino, B. P. Souza, Roseli Rocha, M. B. Cunha-Santino, I. Bianchini Jr
{"title":"Characterization of humic substances from five macrophyte species decomposed under different nutrient conditions","authors":"F. Bottino, B. P. Souza, Roseli Rocha, M. B. Cunha-Santino, I. Bianchini Jr","doi":"10.23818/limn.40.18","DOIUrl":"https://doi.org/10.23818/limn.40.18","url":null,"abstract":"","PeriodicalId":49906,"journal":{"name":"Limnetica","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2021-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43679688","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}
Rafael Lacerda Macêdo, Ana Clara Sampaio Franco, Raphael Ferreira Corrêa, Karen do Nascimiento Costa, Laryssa Gonçalves Pereira, Fernanda Daniela Maniero de Oliveira, Gabriel Klippel, Bruno Damasceno Cordeiro, Mariana Guedes Ribeiro Thiago
{"title":"Spreading of the invasive dinoflagellate Ceratium furcoides (Levander) Langhans throughout the Paraiba do Sul ecoregion, South America, Brazil","authors":"Rafael Lacerda Macêdo, Ana Clara Sampaio Franco, Raphael Ferreira Corrêa, Karen do Nascimiento Costa, Laryssa Gonçalves Pereira, Fernanda Daniela Maniero de Oliveira, Gabriel Klippel, Bruno Damasceno Cordeiro, Mariana Guedes Ribeiro Thiago","doi":"10.23818/limn.40.16","DOIUrl":"https://doi.org/10.23818/limn.40.16","url":null,"abstract":"","PeriodicalId":49906,"journal":{"name":"Limnetica","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2021-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46555695","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}
{"title":"Habitat and weather conditions effects on long-term breeding population dynamics of five species of herons (Ardeidae) and Glossy ibis (Threskiornithidae) in the Valencian Community, Spain","authors":"Mariela Forti, J. S. Monrós, P. Vera","doi":"10.23818/limn.40.28","DOIUrl":"https://doi.org/10.23818/limn.40.28","url":null,"abstract":"","PeriodicalId":49906,"journal":{"name":"Limnetica","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2021-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47421300","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}
{"title":"The corixid Sigara (Subsigara) distincta (Fieber, 1848) in the Pyrenees: a first record for Spain and an unsolved taxonomic puzzle","authors":"Victor Osorio, M. Puig, T. Buchaca, Hyunbin Jo, M. Ventura","doi":"10.23818/limn.40.25","DOIUrl":"https://doi.org/10.23818/limn.40.25","url":null,"abstract":"The corixid Sigara (Subsigara) distincta (Fieber, 1848) in the Pyrenees: a first record for Spain and an unsolved","PeriodicalId":49906,"journal":{"name":"Limnetica","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2021-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45503209","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}
{"title":"Distribution and environmental preferences of diatoms along the Negro River, Patagonia, Argentina","authors":"Camilo Vélez-Agudelo, M. Espinosa","doi":"10.23818/limn.40.17","DOIUrl":"https://doi.org/10.23818/limn.40.17","url":null,"abstract":"","PeriodicalId":49906,"journal":{"name":"Limnetica","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2021-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43288608","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}
G. Pinilla, Luis Carlos Montenegro, Luz Marina Malgarejo, N. Molano-González, Alfonso Pineda, Ibeth Paola Delgadillo, Mario Andrés Forero
{"title":"Growth rates of microalgae encapsulated in calcium alginate as a possible indicator of the trophic state of aquatic ecosystems","authors":"G. Pinilla, Luis Carlos Montenegro, Luz Marina Malgarejo, N. Molano-González, Alfonso Pineda, Ibeth Paola Delgadillo, Mario Andrés Forero","doi":"10.23818/limn.40.26","DOIUrl":"https://doi.org/10.23818/limn.40.26","url":null,"abstract":"","PeriodicalId":49906,"journal":{"name":"Limnetica","volume":"1 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2021-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68867017","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}
J. Soria, S. Romo, Lucía Vera-Herrera, S. Calvo, X. Sòria-Perpinyà
Changes of the conductivity in the Albufera of Valencia lagoon between 1985 and 2018 The Albufera of Valencia (Eastern Spain) is an oligohaline coastal lagoon, surrounded by an ancient marsh transformed into rice fields about 200 years ago. The surficial water inflows maintain the conductivity in steady values around the annual average, with occasional increases in periods of droughts. The concentration of chloride is the variable most related to conductivity. In this study of its long-term conductivity changes, we have observed that there has been a significant trend toward an increase of minimum values in the last decade, which could indicate a decrease in freshwater inputs to the lagoon. The measurement of this variable would be a good indicator of the alterations that may occur in a foreseeable scenario of climate change with a decrease in both rainfall and freshwater inflows.
{"title":"Evolución de la conductividad en la Albufera de Valencia entre 1985 y 2018","authors":"J. Soria, S. Romo, Lucía Vera-Herrera, S. Calvo, X. Sòria-Perpinyà","doi":"10.23818/limn.40.15","DOIUrl":"https://doi.org/10.23818/limn.40.15","url":null,"abstract":"Changes of the conductivity in the Albufera of Valencia lagoon between 1985 and 2018 The Albufera of Valencia (Eastern Spain) is an oligohaline coastal lagoon, surrounded by an ancient marsh transformed into rice fields about 200 years ago. The surficial water inflows maintain the conductivity in steady values around the annual average, with occasional increases in periods of droughts. The concentration of chloride is the variable most related to conductivity. In this study of its long-term conductivity changes, we have observed that there has been a significant trend toward an increase of minimum values in the last decade, which could indicate a decrease in freshwater inputs to the lagoon. The measurement of this variable would be a good indicator of the alterations that may occur in a foreseeable scenario of climate change with a decrease in both rainfall and freshwater inflows.","PeriodicalId":49906,"journal":{"name":"Limnetica","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2021-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42771085","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}
Bárbara Goulart Costa, Rodrigo Lopes Ferreira, T. G. Pellegrini
Feeding in the dark: are stonefly nymphs good indicators of reference conditions for cave streams? A case study using gut content analysis in Brazilian quartzite caves Benthic macroinvertebrates are considered important bioindicators of water quality, and their distribution is influenced by several factors, including food availability. This feeding is an essential factor for all living beings and determines aspects of temporal and spatial population dynamics and relations between individuals and their respective habitats. The present work aimed to analyze the diet of nymphs of the order Plecoptera associated with quartzite caves located in southern Minas Gerais state, Brazil. The stomach contents of 79 specimens were analyzed, and many were empty (40.5 %). Among the nymphs with stomach contents, the most frequent content was fine particulate organic matter. The high amount of individuals with empty content may indicate a low tolerance of these organisms to subterranean environments.
{"title":"Feeding in the dark: are stonefly nymphs good indicators of reference conditions for cave streams? A case study using gut content analysis in Brazilian quartzite caves","authors":"Bárbara Goulart Costa, Rodrigo Lopes Ferreira, T. G. Pellegrini","doi":"10.23818/limn.40.06","DOIUrl":"https://doi.org/10.23818/limn.40.06","url":null,"abstract":"Feeding in the dark: are stonefly nymphs good indicators of reference conditions for cave streams? A case study using gut content analysis in Brazilian quartzite caves Benthic macroinvertebrates are considered important bioindicators of water quality, and their distribution is influenced by several factors, including food availability. This feeding is an essential factor for all living beings and determines aspects of temporal and spatial population dynamics and relations between individuals and their respective habitats. The present work aimed to analyze the diet of nymphs of the order Plecoptera associated with quartzite caves located in southern Minas Gerais state, Brazil. The stomach contents of 79 specimens were analyzed, and many were empty (40.5 %). Among the nymphs with stomach contents, the most frequent content was fine particulate organic matter. The high amount of individuals with empty content may indicate a low tolerance of these organisms to subterranean environments.","PeriodicalId":49906,"journal":{"name":"Limnetica","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2021-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48698417","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}
{"title":"Is a rare diatom relevant for Brazilian reservoirs?","authors":"G. Marquardt, S. Blanco, Carlos E. de M. Bicudo","doi":"10.23818/limn.40.08","DOIUrl":"https://doi.org/10.23818/limn.40.08","url":null,"abstract":"","PeriodicalId":49906,"journal":{"name":"Limnetica","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2021-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42011432","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}
José R. Tapia-Varela, D. Palacios-Salgado, J. Ponce-Palafox, C. Romero-Bañuelos, J. T. Nieto-Navarro, P. Aguiar-García, A. Wakida-Kusunoki
Record and establishment of the non-native Loricariid catfish genus Pterygoplichthys (Siluriformes: Loricariidae) in the Coastal Plain of San Blas, Nayarit, Southeast Gulf of California, Mexico The establishment of non-native Loricariid catfish (Siluriformes: Loricariidae) of the genus Pterygoplichthys, in the Coastal Plain of San Blas, Nayarit, Southeast Gulf of California was reported. According to the morphological taxonomy and abdominal patterns, the specimens are closely related to the hybrid forms of P. pardalis x P. disjunctivus. In addition, the evidence of its establishment in the study area is presented. The individuals were captured along the Mololoa River micro-basin, on the left bank of the lower Santiago river basin, in front of Matanchen Bay in addition to one in front of the sea beach at the mouth of the Santiago River. The mean length and weight of the fish caught from 2013 to 2016 were 25.2 ± 2.2 cm and 123.2 ± 27.9 g. In the study area, uncontrolled propagation of this genus can jeopardize the diversity of fauna on the left bank of the Santiago river and the National Marsh ecosystem in the coastal plain of Nayarit, Mexico.
{"title":"Record and establishment of the non-native Loricariid catfish genus Pterygoplichthys (Siluriformes: Loricariidae) in the Coastal Plain of San Blas, Nayarit, Southeast Gulf of California, Mexico","authors":"José R. Tapia-Varela, D. Palacios-Salgado, J. Ponce-Palafox, C. Romero-Bañuelos, J. T. Nieto-Navarro, P. Aguiar-García, A. Wakida-Kusunoki","doi":"10.23818/limn.40.07","DOIUrl":"https://doi.org/10.23818/limn.40.07","url":null,"abstract":"Record and establishment of the non-native Loricariid catfish genus Pterygoplichthys (Siluriformes: Loricariidae) in the Coastal Plain of San Blas, Nayarit, Southeast Gulf of California, Mexico The establishment of non-native Loricariid catfish (Siluriformes: Loricariidae) of the genus Pterygoplichthys, in the Coastal Plain of San Blas, Nayarit, Southeast Gulf of California was reported. According to the morphological taxonomy and abdominal patterns, the specimens are closely related to the hybrid forms of P. pardalis x P. disjunctivus. In addition, the evidence of its establishment in the study area is presented. The individuals were captured along the Mololoa River micro-basin, on the left bank of the lower Santiago river basin, in front of Matanchen Bay in addition to one in front of the sea beach at the mouth of the Santiago River. The mean length and weight of the fish caught from 2013 to 2016 were 25.2 ± 2.2 cm and 123.2 ± 27.9 g. In the study area, uncontrolled propagation of this genus can jeopardize the diversity of fauna on the left bank of the Santiago river and the National Marsh ecosystem in the coastal plain of Nayarit, Mexico.","PeriodicalId":49906,"journal":{"name":"Limnetica","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2021-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48476989","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}
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