Relationships between Agriculture, Riparian Vegetation, and Surface Water Quality in Watersheds
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista Brasileira de Ciência do Solo (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832017000100511 |
Resumo: | ABSTRACT Agricultural land use and degradation of natural vegetation in riparian zones can impair water quality. This study was conducted in seven agricultural watersheds in Ibirubá, RS, Brazil, with the following objectives: identify relationships between concentrations of soluble phosphorus (Psol) and nitrate (NO−3) in surface water and agricultural use of soil and current vegetation in riparian zones, and assess the risk of eutrophication. Water samples from the main watercourses in each watershed were collected monthly from 10/2013 to 6/2014. Current land use was established by field surveys in the watersheds. The riparian zones of the watercourses were evaluated in terms of the condition of permanent preservation area (PPA) and access of the animals to the watercourses. The concentration of Psol and NO−3 were correlated with land use indicators obtained from geoprocessing tools. Agricultural use of PPA increases the risk of surface water degradation, which increases through application of manure on crops and free access of livestock to PPAs and to these watercourses for drinking water. Surface water samples obtained showed water Psol concentrations that generate risk of eutrophication, whereas concentrations of NO−3 were generally below critical levels. |
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Relationships between Agriculture, Riparian Vegetation, and Surface Water Quality in Watershedsenvironmental pollutiondairy cattlemanureriparian zoneABSTRACT Agricultural land use and degradation of natural vegetation in riparian zones can impair water quality. This study was conducted in seven agricultural watersheds in Ibirubá, RS, Brazil, with the following objectives: identify relationships between concentrations of soluble phosphorus (Psol) and nitrate (NO−3) in surface water and agricultural use of soil and current vegetation in riparian zones, and assess the risk of eutrophication. Water samples from the main watercourses in each watershed were collected monthly from 10/2013 to 6/2014. Current land use was established by field surveys in the watersheds. The riparian zones of the watercourses were evaluated in terms of the condition of permanent preservation area (PPA) and access of the animals to the watercourses. The concentration of Psol and NO−3 were correlated with land use indicators obtained from geoprocessing tools. Agricultural use of PPA increases the risk of surface water degradation, which increases through application of manure on crops and free access of livestock to PPAs and to these watercourses for drinking water. Surface water samples obtained showed water Psol concentrations that generate risk of eutrophication, whereas concentrations of NO−3 were generally below critical levels.Sociedade Brasileira de Ciência do Solo2017-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832017000100511Revista Brasileira de Ciência do Solo v.41 2017reponame:Revista Brasileira de Ciência do Solo (Online)instname:Sociedade Brasileira de Ciência do Solo (SBCS)instacron:SBCS10.1590/18069657rbcs20160286info:eu-repo/semantics/openAccessBroetto,TiagoTornquist,Carlos GustavoCampos,Ben-Hur Costa deSchneider,Júlio Cézareng2017-05-12T00:00:00Zoai:scielo:S0100-06832017000100511Revistahttp://www.scielo.br/scielo.php?script=sci_serial&pid=0100-0683&lng=es&nrm=isohttps://old.scielo.br/oai/scielo-oai.php||sbcs@ufv.br1806-96570100-0683opendoar:2017-05-12T00:00Revista Brasileira de Ciência do Solo (Online) - Sociedade Brasileira de Ciência do Solo (SBCS)false |
dc.title.none.fl_str_mv |
Relationships between Agriculture, Riparian Vegetation, and Surface Water Quality in Watersheds |
title |
Relationships between Agriculture, Riparian Vegetation, and Surface Water Quality in Watersheds |
spellingShingle |
Relationships between Agriculture, Riparian Vegetation, and Surface Water Quality in Watersheds Broetto,Tiago environmental pollution dairy cattle manure riparian zone |
title_short |
Relationships between Agriculture, Riparian Vegetation, and Surface Water Quality in Watersheds |
title_full |
Relationships between Agriculture, Riparian Vegetation, and Surface Water Quality in Watersheds |
title_fullStr |
Relationships between Agriculture, Riparian Vegetation, and Surface Water Quality in Watersheds |
title_full_unstemmed |
Relationships between Agriculture, Riparian Vegetation, and Surface Water Quality in Watersheds |
title_sort |
Relationships between Agriculture, Riparian Vegetation, and Surface Water Quality in Watersheds |
author |
Broetto,Tiago |
author_facet |
Broetto,Tiago Tornquist,Carlos Gustavo Campos,Ben-Hur Costa de Schneider,Júlio Cézar |
author_role |
author |
author2 |
Tornquist,Carlos Gustavo Campos,Ben-Hur Costa de Schneider,Júlio Cézar |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Broetto,Tiago Tornquist,Carlos Gustavo Campos,Ben-Hur Costa de Schneider,Júlio Cézar |
dc.subject.por.fl_str_mv |
environmental pollution dairy cattle manure riparian zone |
topic |
environmental pollution dairy cattle manure riparian zone |
description |
ABSTRACT Agricultural land use and degradation of natural vegetation in riparian zones can impair water quality. This study was conducted in seven agricultural watersheds in Ibirubá, RS, Brazil, with the following objectives: identify relationships between concentrations of soluble phosphorus (Psol) and nitrate (NO−3) in surface water and agricultural use of soil and current vegetation in riparian zones, and assess the risk of eutrophication. Water samples from the main watercourses in each watershed were collected monthly from 10/2013 to 6/2014. Current land use was established by field surveys in the watersheds. The riparian zones of the watercourses were evaluated in terms of the condition of permanent preservation area (PPA) and access of the animals to the watercourses. The concentration of Psol and NO−3 were correlated with land use indicators obtained from geoprocessing tools. Agricultural use of PPA increases the risk of surface water degradation, which increases through application of manure on crops and free access of livestock to PPAs and to these watercourses for drinking water. Surface water samples obtained showed water Psol concentrations that generate risk of eutrophication, whereas concentrations of NO−3 were generally below critical levels. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832017000100511 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832017000100511 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/18069657rbcs20160286 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Ciência do Solo |
publisher.none.fl_str_mv |
Sociedade Brasileira de Ciência do Solo |
dc.source.none.fl_str_mv |
Revista Brasileira de Ciência do Solo v.41 2017 reponame:Revista Brasileira de Ciência do Solo (Online) instname:Sociedade Brasileira de Ciência do Solo (SBCS) instacron:SBCS |
instname_str |
Sociedade Brasileira de Ciência do Solo (SBCS) |
instacron_str |
SBCS |
institution |
SBCS |
reponame_str |
Revista Brasileira de Ciência do Solo (Online) |
collection |
Revista Brasileira de Ciência do Solo (Online) |
repository.name.fl_str_mv |
Revista Brasileira de Ciência do Solo (Online) - Sociedade Brasileira de Ciência do Solo (SBCS) |
repository.mail.fl_str_mv |
||sbcs@ufv.br |
_version_ |
1752126521666961408 |