{"title":"Implementación de la técnica de medición y primer registro de gases de efecto invernadero (CO2, CH4 y N2O) en la interfase sedimento-agua en el embalse Rincón del Bonete, Uruguay","authors":"","doi":"10.26461/23.01","DOIUrl":"https://doi.org/10.26461/23.01","url":null,"abstract":"","PeriodicalId":30552,"journal":{"name":"Innotec","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41789006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Control del agua de lastre como fuente de ingreso de especies exóticas invasoras en puertos argentinos de la Cuenca del Plata","authors":"M. Abelando","doi":"10.26461/22.09","DOIUrl":"https://doi.org/10.26461/22.09","url":null,"abstract":"","PeriodicalId":30552,"journal":{"name":"Innotec","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42157743","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Las floraciones de cianobacterias tóxicas comprometen el uso del agua del Río Negro, Uruguay","authors":"","doi":"10.26461/22.08","DOIUrl":"https://doi.org/10.26461/22.08","url":null,"abstract":"","PeriodicalId":30552,"journal":{"name":"Innotec","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41680770","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. Segura, Lía Sampognaro, Guzmán López, C. Crisci, Mathias Bourel, V. Vidal, Karina Eirin, Claudia Piccini, Carla Kruk, Gonzalo Perera
We constructed artificial intelligence (AI) models to predict faecal water quality (CF) to aid management in recreational beaches. Historical data base generated by the Laboratorio de Calidad Ambiental de la Intendencia de Montevideo (IM) was analized and AI models wwere constructed to predict CF excess (CF >2.000). Ten years of monitoring 21 recreational beaches (N=19359, november 2009 to september 2019) presented a wide range of salinity and turbidity variability among beaches. CF showed an asymetric distribution (min=4, median=250, average=1.047 and max=1.280.000) with values exceeding the threshold in all beaches. In situ registered, meteorological and oceanographic variables were used to train AI models. A stratified random forest showed the best performance in the evaluated metrics with an overall accuracy of 86% and 60% of improvement in true positive rates with respect to baseline. High quality data generated by govermental institution together with modeling strategies provided a relevant framework to aid in beach and public health management.
{"title":"Monitoreo de calidad de agua y predicción de coliformes fecales en playas de Montevideo mediante algoritmos de aprendizaje automático","authors":"A. Segura, Lía Sampognaro, Guzmán López, C. Crisci, Mathias Bourel, V. Vidal, Karina Eirin, Claudia Piccini, Carla Kruk, Gonzalo Perera","doi":"10.26461/22.07","DOIUrl":"https://doi.org/10.26461/22.07","url":null,"abstract":"We constructed artificial intelligence (AI) models to predict faecal water quality (CF) to aid management in recreational beaches. Historical data base generated by the Laboratorio de Calidad Ambiental de la Intendencia de Montevideo (IM) was analized and AI models wwere constructed to predict CF excess (CF >2.000). Ten years of monitoring 21 recreational beaches (N=19359, november 2009 to september 2019) presented a wide range of salinity and turbidity variability among beaches. CF showed an asymetric distribution (min=4, median=250, average=1.047 and max=1.280.000) with values exceeding the threshold in all beaches. In situ registered, meteorological and oceanographic variables were used to train AI models. A stratified random forest showed the best performance in the evaluated metrics with an overall accuracy of 86% and 60% of improvement in true positive rates with respect to baseline. High quality data generated by govermental institution together with modeling strategies provided a relevant framework to aid in beach and public health management.","PeriodicalId":30552,"journal":{"name":"Innotec","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46926508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
L. Frisón, María Zoé Rivas, Carolina Chiericatti, A. Piagentini
The effect of UV-C radiation (in vitro tests: 4 W m-2, for 20 min) on the conidia of the four more frequent and abundant molds isolated from blueberry (Aspergillus niger, Arthrinium phaeospermun, Penicillium decumbens, and Eurotium repens) was modeled. The reduction in mold counts occurred up to 10 minutes of treatment. The selected treatment was applied to the blueberry samples inoculated with the conidia of the two most resistant molds (in vivo tests: Aspergillus niger and Arthrinium phaeospermun). UV-C radiation (2,4 kJ m-2, 10 minutes) slightly increased the pH value without significantly modifying the soluble solids content, firmness, and color of blueberries. Treatment with UV-C increased the concentration of total phenols (13%) and the antioxidant capacity of blueberries (8%) compared to the untreated sample. It is essential to identify the contaminating microflora to correctly apply the treatment. The UV-C selected dose maintained the attributes related to sensory quality, increasing the content of phenolic compounds, and the antioxidant capacity of blueberries.
模拟了UV-C辐射（体外试验：4 W m-2，持续20分钟）对从蓝莓中分离的四种更常见和更丰富的霉菌（黑曲霉、斑节孢霉、卧青霉和白三叶草）的分生孢子的影响。霉菌数量的减少发生在处理的10分钟内。将所选择的处理应用于用两种最具抗性霉菌的分生孢子接种的蓝莓样品（体内测试：黑曲霉和斑节孢霉）。UV-C辐射（2,4kJ m-2，10分钟）略微增加了pH值，但没有显著改变蓝莓的可溶性固形物含量、硬度和颜色。与未处理的样品相比，用UV-C处理增加了蓝莓的总酚浓度（13%）和抗氧化能力（8%）。识别污染菌群以正确实施处理至关重要。UV-C选择的剂量保持了与蓝莓的感官质量、酚类化合物含量增加和抗氧化能力有关的属性。
{"title":"Efecto de la radiación UV-C sobre la calidad y la flora fúngica contaminante natural de arándanos (Vaccinium corymbosum L., variedad O’Neal)","authors":"L. Frisón, María Zoé Rivas, Carolina Chiericatti, A. Piagentini","doi":"10.26461/22.06","DOIUrl":"https://doi.org/10.26461/22.06","url":null,"abstract":"The effect of UV-C radiation (in vitro tests: 4 W m-2, for 20 min) on the conidia of the four more frequent and abundant molds isolated from blueberry (Aspergillus niger, Arthrinium phaeospermun, Penicillium decumbens, and Eurotium repens) was modeled. The reduction in mold counts occurred up to 10 minutes of treatment. The selected treatment was applied to the blueberry samples inoculated with the conidia of the two most resistant molds (in vivo tests: Aspergillus niger and Arthrinium phaeospermun). UV-C radiation (2,4 kJ m-2, 10 minutes) slightly increased the pH value without significantly modifying the soluble solids content, firmness, and color of blueberries. Treatment with UV-C increased the concentration of total phenols (13%) and the antioxidant capacity of blueberries (8%) compared to the untreated sample. It is essential to identify the contaminating microflora to correctly apply the treatment. The UV-C selected dose maintained the attributes related to sensory quality, increasing the content of phenolic compounds, and the antioxidant capacity of blueberries.","PeriodicalId":30552,"journal":{"name":"Innotec","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41552952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
MCM Alchimia is a free and multilingual desktop application, which runs on Windows. It is available to download from the Internet. This application implements the processes indicated in the Guide to the Expression of Uncertainty in Measurement (GUM) and the Supplement 1 of this document, easily obtaining measurement results and associated expanded uncertainty, with a detailed uncertainty budget according to GUM, and a summary of statistical parameters of the simulated sample obtained by Monte Carlo Method (MCM). This work establishes an intuitive and rapid guide for estimating measurement uncertainties by GUM and MCM methods with the software MCM Alchimia, through discussion of five examples from document JCGM 100: 2008 and three from JCGM 101: 2008. Some features and algorithms of the software are explained in detail. Particularly, functions and tools that are not available in other similar software applications, for example, the estimation of uncertainties in test models that involve the use of least-square fittings. In addition, more intuitive approaches to some problem than those suggested in the JCGM guides are shown, discussing different features available in the software to perform an easy data treatment of complex measurement models.
{"title":"Metodología de MCM Alchimia ejemplos resueltos de estimación de incertidumbre asistida por computadora","authors":"","doi":"10.26461/22.05","DOIUrl":"https://doi.org/10.26461/22.05","url":null,"abstract":"MCM Alchimia is a free and multilingual desktop application, which runs on Windows. It is available to download from the Internet. This application implements the processes indicated in the Guide to the Expression of Uncertainty in Measurement (GUM) and the Supplement 1 of this document, easily obtaining measurement results and associated expanded uncertainty, with a detailed uncertainty budget according to GUM, and a summary of statistical parameters of the simulated sample obtained by Monte Carlo Method (MCM). This work establishes an intuitive and rapid guide for estimating measurement uncertainties by GUM and MCM methods with the software MCM Alchimia, through discussion of five examples from document JCGM 100: 2008 and three from JCGM 101: 2008. Some features and algorithms of the software are explained in detail. Particularly, functions and tools that are not available in other similar software applications, for example, the estimation of uncertainties in test models that involve the use of least-square fittings. In addition, more intuitive approaches to some problem than those suggested in the JCGM guides are shown, discussing different features available in the software to perform an easy data treatment of complex measurement models.","PeriodicalId":30552,"journal":{"name":"Innotec","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69328952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Juan Daniel Fabián, C. Ferrer, J. L. Pereira, Pablo Muniz, Leandro Capurro, Magdalena Mandiá, Guillermo Failache, E. Brugnoli
Limnoperna fortunei (golden mussel) is an alien mollusk in the Plata basin and is native from the Southeastern Asia. Its benthic patches generate macrofouling in hydraulic installations causing additional costs to the affected companies. The objective of this work is to determine the variation of abundance and the size of the valves larval stages of the golden mussel, establishing associations with the water quality parameters in the cooling systems in the three hydroelectric power stations (HP) of the reservoirs of the Negro River (Uruguay) that has been invaded by the species. In the three cooling systems the golden mussel larval density average showed associations with temperature of the water and the percentage of organic material of the column water. Larger larval abundances were registered during warm and minimum during cold months. For the three systems, is suggested a reproductive pause of the species at water temperatures lower than 18oC and the start of the larval cycle at higher values. The Veliger larvae type D and preumbonate Veliger stages were the dominant stages. In terms of the golden mussel settlement the HP Constitucion cooling system was the most exposed. It highlights the need to continue deepening in the knowledge of L. fortunei in order to better implement control and mitigation measures for the species.
{"title":"Variación anual de larvas del mejillón dorado (Limnoperna fortunei) en sistemas de refrigeración de centrales hidroeléctricas en embalses del Río Negro, Uruguay","authors":"Juan Daniel Fabián, C. Ferrer, J. L. Pereira, Pablo Muniz, Leandro Capurro, Magdalena Mandiá, Guillermo Failache, E. Brugnoli","doi":"10.26461/22.03","DOIUrl":"https://doi.org/10.26461/22.03","url":null,"abstract":"Limnoperna fortunei (golden mussel) is an alien mollusk in the Plata basin and is native from the Southeastern Asia. Its benthic patches generate macrofouling in hydraulic installations causing additional costs to the affected companies. The objective of this work is to determine the variation of abundance and the size of the valves larval stages of the golden mussel, establishing associations with the water quality parameters in the cooling systems in the three hydroelectric power stations (HP) of the reservoirs of the Negro River (Uruguay) that has been invaded by the species. In the three cooling systems the golden mussel larval density average showed associations with temperature of the water and the percentage of organic material of the column water. Larger larval abundances were registered during warm and minimum during cold months. For the three systems, is suggested a reproductive pause of the species at water temperatures lower than 18oC and the start of the larval cycle at higher values. The Veliger larvae type D and preumbonate Veliger stages were the dominant stages. In terms of the golden mussel settlement the HP Constitucion cooling system was the most exposed. It highlights the need to continue deepening in the knowledge of L. fortunei in order to better implement control and mitigation measures for the species.","PeriodicalId":30552,"journal":{"name":"Innotec","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41481813","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ivana Silva, E. Brugnoli, Cristhian Clavijo, Alejandro D’Anatro, D. Naya, F. Mello, Giancarlo Tesitore, Iván González-Bergonzoni
The ecosystem effects of Limnoperna fortunei have been studied nationally in recent years. However, the interactions that this invader establishes with the native benthic fauna have not been determined in detail. The objective of this study was to collect information on the interactions between the golden mussel and macroinvertebrates native to the Uruguay River, through (a) bibliographic survey, (b) photographic record obtained in the field and (c) analysis of data from an experiment of colonization carried out previously on rocky shores of this river. The interactions reported in the bibliography mainly referred to direct interactions of L. fortunei biofouling on native bivalve and gastropod species, with a potential negative effect for these individuals. The photographic documentation specifically made it possible to report for the first time in the region, a direct interaction of L. fortunei with the Spongillidae family, through which these porifers cover and suffocate already settled mussels. Finally, through the experiment carried out in situ, it was found that the mussel generates indirect negative effects on some native benthic macroinvertebrates. According to the data analysis, a high abundance of settled mussels is related to a reduction in the abundances of two of the dominant native benthic groups of this river, such as gastropods and dipterans.
{"title":"Interacciones entre el mejillón dorado y macroinvertebrados bentónicos nativos del Río Uruguay","authors":"Ivana Silva, E. Brugnoli, Cristhian Clavijo, Alejandro D’Anatro, D. Naya, F. Mello, Giancarlo Tesitore, Iván González-Bergonzoni","doi":"10.26461/22.04","DOIUrl":"https://doi.org/10.26461/22.04","url":null,"abstract":"The ecosystem effects of Limnoperna fortunei have been studied nationally in recent years. However, the interactions that this invader establishes with the native benthic fauna have not been determined in detail. The objective of this study was to collect information on the interactions between the golden mussel and macroinvertebrates native to the Uruguay River, through (a) bibliographic survey, (b) photographic record obtained in the field and (c) analysis of data from an experiment of colonization carried out previously on rocky shores of this river. The interactions reported in the bibliography mainly referred to direct interactions of L. fortunei biofouling on native bivalve and gastropod species, with a potential negative effect for these individuals. The photographic documentation specifically made it possible to report for the first time in the region, a direct interaction of L. fortunei with the Spongillidae family, through which these porifers cover and suffocate already settled mussels. Finally, through the experiment carried out in situ, it was found that the mussel generates indirect negative effects on some native benthic macroinvertebrates. According to the data analysis, a high abundance of settled mussels is related to a reduction in the abundances of two of the dominant native benthic groups of this river, such as gastropods and dipterans.","PeriodicalId":30552,"journal":{"name":"Innotec","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42297932","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Despite there are multiple causes and consequences of eutrophication, this article analyses key aspects in the current context of Uruguay, emphasizing on cyanobacterial blooms as one of the most frequent and noticeable consequences. The worsening of eutrophication and its symptoms predicted with climate change, the keys for the reduction of diffuse losses of phosphorus with surface runoff on agricultural lands and the ongoing and future changes of water governance and management of the problem are some of the most important issues considered here. In this analysis, we also identify several challenges, both to fill knowledge gaps and in the arena of environmental management.
{"title":"Producción, nutrientes, eutrofización y cianobacterias en Uruguay armando el rompecabezas","authors":"Guillermo Goyenola, Carla Kruk, Néstor Mazzeo, Alejandro Nario, C. Perdomo, Claudia Piccini, Mariana Meerhoff","doi":"10.26461/22.02","DOIUrl":"https://doi.org/10.26461/22.02","url":null,"abstract":"Despite there are multiple causes and consequences of eutrophication, this article analyses key aspects in the current context of Uruguay, emphasizing on cyanobacterial blooms as one of the most frequent and noticeable consequences. The worsening of eutrophication and its symptoms predicted with climate change, the keys for the reduction of diffuse losses of phosphorus with surface runoff on agricultural lands and the ongoing and future changes of water governance and management of the problem are some of the most important issues considered here. In this analysis, we also identify several challenges, both to fill knowledge gaps and in the arena of environmental management.","PeriodicalId":30552,"journal":{"name":"Innotec","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44478754","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Vanessa Ochi Agostini, Grasiela Lopes Leães Pinho, Erik Muxagata, A. J. Macedo, Fabiana Rey Bentos, Lucía Boccardi, María Jesús Dabezies, Ernesto Brugnoli Oliveira
Invertebrates (e.g, barnacles, mussels) are usually the main responsibles for the industrial and naval high economic costs of biofouling, aggravated by colonization of invasive species such (e.g., golden mussel, Limnoperna fortunei). Many strategies have been used as attempts to control biofouling. However, these are not efficient or cause high mortality of aquatic organisms, including the antifouling coatings. Currently, with the aim of preserving human and environmental health, new studies have focused on the discovery of new natural agents to replace the toxic synthetic molecules in paints. The study of bioactive natural products from terrestrial plants has been a promising option in the clinical field and they can have the same potential in the aquatic field. In this way, the main question of this study is: How to select the most promising extracts and compounds? This review evaluated the documents published on this topic, with the aim of highlighting the information necessary to focus antifouling investigations derived from terrestrial plants. A total of 29 papers were examined in this review from 1990 to 2020. Natural products derived from terrestrial plants have great potential as sustainable antifouling, inhibiting colonization of micro and macrofouling. Alkaloid and flavonoid compounds from the Zingiberaceae, Myrtaceae and Fagaceae families have already shown promising results against mussels.
{"title":"Pinturas antiincrustantes derivadas de plantas terrestres una solución segura para el ambiente en el control de la bioincrustación","authors":"Vanessa Ochi Agostini, Grasiela Lopes Leães Pinho, Erik Muxagata, A. J. Macedo, Fabiana Rey Bentos, Lucía Boccardi, María Jesús Dabezies, Ernesto Brugnoli Oliveira","doi":"10.26461/22.01","DOIUrl":"https://doi.org/10.26461/22.01","url":null,"abstract":"Invertebrates (e.g, barnacles, mussels) are usually the main responsibles for the industrial and naval high economic costs of biofouling, aggravated by colonization of invasive species such (e.g., golden mussel, Limnoperna fortunei). Many strategies have been used as attempts to control biofouling. However, these are not efficient or cause high mortality of aquatic organisms, including the antifouling coatings. Currently, with the aim of preserving human and environmental health, new studies have focused on the discovery of new natural agents to replace the toxic synthetic molecules in paints. The study of bioactive natural products from terrestrial plants has been a promising option in the clinical field and they can have the same potential in the aquatic field. In this way, the main question of this study is: How to select the most promising extracts and compounds? This review evaluated the documents published on this topic, with the aim of highlighting the information necessary to focus antifouling investigations derived from terrestrial plants. A total of 29 papers were examined in this review from 1990 to 2020. Natural products derived from terrestrial plants have great potential as sustainable antifouling, inhibiting colonization of micro and macrofouling. Alkaloid and flavonoid compounds from the Zingiberaceae, Myrtaceae and Fagaceae families have already shown promising results against mussels.","PeriodicalId":30552,"journal":{"name":"Innotec","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42086125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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