Influência dos níveis de água na dinâmica de macrófitas aquáticas emergentes do banhado do Taim
Autor(a) principal: | |
---|---|
Data de Publicação: | 2016 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Manancial - Repositório Digital da UFSM |
Texto Completo: | http://repositorio.ufsm.br/handle/1/7653 |
Resumo: | This work evaluated, throught techniques of Remote Sensing and geoprocessing, the influence of hydrological conditions in the dynamics of emergent aquatic macrophytes in Taim Wetland (TW), important wet area in Rio Grande do Sul. The TW covers about 53% of the entire area of Taim s Ecological Station, a Federal Protected Area, which has its uses shared, mainly between biodiversity protection and irrigation. The irrigation is an important economical activity for the region, however, it changes the hydrological regime of TW, a fundamental feature for the maintenance of local biodiversity. Thus, the understanding of how the hydrological regime impacts TW s biodiversity is an important tool for the management of water resources in the region. In this context, three species of emergent aquatic macrophytes (EAM), Z.bonariensis, S. californicus and S. giganteus, were selected, both considered as biological indicators of TW. In order to evaluate how the water levels impact the three EAM, some analyses on the relationship among the hydrological condition, maps of vegetation occurrence, index for normalized difference (IND) and index of habitat suitability (IHS) were carried out. For the identification of the occurrence areas and determination of IND of EAM, Landsat images from TM and ETM sensors were used, comprising the period between 1984 and 2003, while the IHS and the hydrological regime were obtained from previous studies (Tassi, 2008; Xavier, 2015). The employed methodology showed that the EAM Z.bonariensis and S. californicus are more sensitive to larger water levels (representatives of flood conditions); in this situation, reductions in the occurrence areas of these species were indentified. For smaller water levels (drought conditions), there was an increasing in the occurrence areas of the three species. The IND showed an effective index for the understanding of EAM s response to the hydrological conditions, although in many cases there was so much difficulty in the differentiation of vegetation and water. Generally, good coefficients of determination were found between the IND and the average IHS of three months (month of image + two months previous to the image date), and between the IND and the hydrological condition (water level) of two months previous to the image date. These results are the evidence that the effects of hydrological conditions on the studied EAM are not readily detected, and that anthropic actions can produce long-term effects. |
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2016-05-252016-05-252016-01-13Rosa, Cristiano Niederauer da. Influence of water levels in the dynamics of emergent aquatic macrophytes from Taim wetland. 2016. 174 f. Dissertação (Mestrado em Engenharias) - Universidade Federal de Santa Maria, Santa Maria, 2016.http://repositorio.ufsm.br/handle/1/7653This work evaluated, throught techniques of Remote Sensing and geoprocessing, the influence of hydrological conditions in the dynamics of emergent aquatic macrophytes in Taim Wetland (TW), important wet area in Rio Grande do Sul. The TW covers about 53% of the entire area of Taim s Ecological Station, a Federal Protected Area, which has its uses shared, mainly between biodiversity protection and irrigation. The irrigation is an important economical activity for the region, however, it changes the hydrological regime of TW, a fundamental feature for the maintenance of local biodiversity. Thus, the understanding of how the hydrological regime impacts TW s biodiversity is an important tool for the management of water resources in the region. In this context, three species of emergent aquatic macrophytes (EAM), Z.bonariensis, S. californicus and S. giganteus, were selected, both considered as biological indicators of TW. In order to evaluate how the water levels impact the three EAM, some analyses on the relationship among the hydrological condition, maps of vegetation occurrence, index for normalized difference (IND) and index of habitat suitability (IHS) were carried out. For the identification of the occurrence areas and determination of IND of EAM, Landsat images from TM and ETM sensors were used, comprising the period between 1984 and 2003, while the IHS and the hydrological regime were obtained from previous studies (Tassi, 2008; Xavier, 2015). The employed methodology showed that the EAM Z.bonariensis and S. californicus are more sensitive to larger water levels (representatives of flood conditions); in this situation, reductions in the occurrence areas of these species were indentified. For smaller water levels (drought conditions), there was an increasing in the occurrence areas of the three species. The IND showed an effective index for the understanding of EAM s response to the hydrological conditions, although in many cases there was so much difficulty in the differentiation of vegetation and water. Generally, good coefficients of determination were found between the IND and the average IHS of three months (month of image + two months previous to the image date), and between the IND and the hydrological condition (water level) of two months previous to the image date. These results are the evidence that the effects of hydrological conditions on the studied EAM are not readily detected, and that anthropic actions can produce long-term effects.O presente trabalho avaliou, por meio de técnicas de Sensoriamento Remoto e geoprocessamento, a influência das condições hidrológicas na dinâmica de macrófitas aquáticas emergentes no Banhado do Taim (BT), importante área úmida do Rio Grande do Sul. O BT ocupa cerca de 53% da área total da Estação Ecológica do Taim, uma Unidade de Conservação Federal, que tem seus usos compartilhados, principalmente entre conservação da biodiversidade e irrigação. A irrigação é uma importante atividade econômica para a região, no entanto, altera o regime hidrológico do BT, característica fundamental para a manutenção da biodiversidade local. Assim, o entendimento de como o regime hidrológico impacta a biodiversidade do BT constitui-se em uma importante ferramenta para o gerenciamento dos recursos hídricos da região. Neste contexto, foram selecionadas três espécies de macrófitas aquáticas emergentes (MAE), Z. bonariensis, S. californicus e S. giganteus, consideradas indicadores biológicos do BT. Para avaliar como os níveis de água impactam as três MAE, foram realizadas análises da relação entre condição hidrológica, mapas de ocorrência da vegetação, índice por diferença normalizada (NDVI) e índice de adequabilidade de habitat (IAH). Para a identificação das áreas de ocorrência e determinação do NDVI das MAE, foram utilizadas imagens Landsat dos sensores TM e ETM, compreendidas entre os anos de 1984 e 2003, enquanto o IAH e o regime hidrológico foram obtidos a partir de estudos prévios (Tassi, 2008; Xavier, 2015). A metodologia empregada mostrou que as MAE Z. bonariensis, S. californicus são mais sensíveis a níveis d água maiores (representativos de condições de cheia); nesta situação, foram identificadas reduções nas áreas de ocorrência destas espécies. Para níveis de água menores (condições de seca), houve um aumento nas áreas de ocorrência das três espécies. O NDVI se mostrou um índice eficaz no entendimento da resposta das MAE às condições hidrológicas, mesmo apresentando muita dificuldade na diferenciação de vegetação e água sob condições de cheia. De modo geral, foram encontrados bons coeficientes de determinação entre o NDVI e o IAH médio de três meses (mês da imagem + dois meses anteriores à data da imagem), e entre o NDVI e a condição hidrológica (nível d água) de dois meses anteriores à data da imagem. Esses resultados são indícios de que os efeitos das condições hidrológicas sobre as MAE estudadas não são prontamente detectados, e que ações antrópicas podem produzir efeitos a longo prazo.Coordenação de Aperfeiçoamento de Pessoal de Nível Superiorapplication/pdfporUniversidade Federal de Santa MariaPrograma de Pós-Graduação em Engenharia AmbientalUFSMBREngenharia AmbientalSensoriamento remoto de macrófitas aquáticas emergentesDinâmica de áreas úmidasInfluência de níveis d água em macrófitas emergentesRemote sensing of emergent aquatic macrophytesDynamics of wet areasInfluence of water levels in emergent macrophytesCNPQ::ENGENHARIASInfluência dos níveis de água na dinâmica de macrófitas aquáticas emergentes do banhado do TaimInfluence of water levels in the dynamics of emergent aquatic macrophytes from Taim wetlandinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisTassi, Rutineiahttp://lattes.cnpq.br/7584743367186364Piccilli, Daniel Gustavo Allasiahttp://lattes.cnpq.br/3858010328968944Pereira Filho, Waterloohttp://lattes.cnpq.br/0357112879415627Cardoso, Maria Angélica Gonçalveshttp://lattes.cnpq.br/3251982413170989http://lattes.cnpq.br/6771309461719180Rosa, Cristiano Niederauer da300000000009400300300300500300e05ccd2e-dc41-44be-9193-f56ab7c01df2decb93ba-4622-4f68-aeb9-3e7cea6d4d7345344f9d-01e6-44e1-9d32-33f8c96984771f416cc7-d3ff-4a0f-b15e-ca60b15022160d61ef17-1ec6-4813-881a-1daa1396588ainfo:eu-repo/semantics/openAccessreponame:Manancial - Repositório Digital da UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMORIGINALROSA, CRISTIANO NIEDERAUER DA.pdfapplication/pdf8148021http://repositorio.ufsm.br/bitstream/1/7653/1/ROSA%2c%20CRISTIANO%20NIEDERAUER%20DA.pdf370bd016a43294f4d768ca1964b44c26MD51TEXTROSA, CRISTIANO NIEDERAUER DA.pdf.txtROSA, CRISTIANO NIEDERAUER DA.pdf.txtExtracted texttext/plain203874http://repositorio.ufsm.br/bitstream/1/7653/2/ROSA%2c%20CRISTIANO%20NIEDERAUER%20DA.pdf.txt0c0eecfbd256f0fd691c7470554dda93MD52THUMBNAILROSA, CRISTIANO NIEDERAUER DA.pdf.jpgROSA, CRISTIANO NIEDERAUER DA.pdf.jpgIM Thumbnailimage/jpeg5242http://repositorio.ufsm.br/bitstream/1/7653/3/ROSA%2c%20CRISTIANO%20NIEDERAUER%20DA.pdf.jpg18a98bd3682c662ddc6b2d0e4a21bc44MD531/76532022-06-10 17:23:18.371oai:repositorio.ufsm.br:1/7653Repositório Institucionalhttp://repositorio.ufsm.br/PUBhttp://repositorio.ufsm.br/oai/requestopendoar:39132022-06-10T20:23:18Manancial - Repositório Digital da UFSM - Universidade Federal de Santa Maria (UFSM)false |
dc.title.por.fl_str_mv |
Influência dos níveis de água na dinâmica de macrófitas aquáticas emergentes do banhado do Taim |
dc.title.alternative.eng.fl_str_mv |
Influence of water levels in the dynamics of emergent aquatic macrophytes from Taim wetland |
title |
Influência dos níveis de água na dinâmica de macrófitas aquáticas emergentes do banhado do Taim |
spellingShingle |
Influência dos níveis de água na dinâmica de macrófitas aquáticas emergentes do banhado do Taim Rosa, Cristiano Niederauer da Sensoriamento remoto de macrófitas aquáticas emergentes Dinâmica de áreas úmidas Influência de níveis d água em macrófitas emergentes Remote sensing of emergent aquatic macrophytes Dynamics of wet areas Influence of water levels in emergent macrophytes CNPQ::ENGENHARIAS |
title_short |
Influência dos níveis de água na dinâmica de macrófitas aquáticas emergentes do banhado do Taim |
title_full |
Influência dos níveis de água na dinâmica de macrófitas aquáticas emergentes do banhado do Taim |
title_fullStr |
Influência dos níveis de água na dinâmica de macrófitas aquáticas emergentes do banhado do Taim |
title_full_unstemmed |
Influência dos níveis de água na dinâmica de macrófitas aquáticas emergentes do banhado do Taim |
title_sort |
Influência dos níveis de água na dinâmica de macrófitas aquáticas emergentes do banhado do Taim |
author |
Rosa, Cristiano Niederauer da |
author_facet |
Rosa, Cristiano Niederauer da |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Tassi, Rutineia |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/7584743367186364 |
dc.contributor.advisor-co1.fl_str_mv |
Piccilli, Daniel Gustavo Allasia |
dc.contributor.advisor-co1Lattes.fl_str_mv |
http://lattes.cnpq.br/3858010328968944 |
dc.contributor.referee1.fl_str_mv |
Pereira Filho, Waterloo |
dc.contributor.referee1Lattes.fl_str_mv |
http://lattes.cnpq.br/0357112879415627 |
dc.contributor.referee2.fl_str_mv |
Cardoso, Maria Angélica Gonçalves |
dc.contributor.referee2Lattes.fl_str_mv |
http://lattes.cnpq.br/3251982413170989 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/6771309461719180 |
dc.contributor.author.fl_str_mv |
Rosa, Cristiano Niederauer da |
contributor_str_mv |
Tassi, Rutineia Piccilli, Daniel Gustavo Allasia Pereira Filho, Waterloo Cardoso, Maria Angélica Gonçalves |
dc.subject.por.fl_str_mv |
Sensoriamento remoto de macrófitas aquáticas emergentes Dinâmica de áreas úmidas Influência de níveis d água em macrófitas emergentes |
topic |
Sensoriamento remoto de macrófitas aquáticas emergentes Dinâmica de áreas úmidas Influência de níveis d água em macrófitas emergentes Remote sensing of emergent aquatic macrophytes Dynamics of wet areas Influence of water levels in emergent macrophytes CNPQ::ENGENHARIAS |
dc.subject.eng.fl_str_mv |
Remote sensing of emergent aquatic macrophytes Dynamics of wet areas Influence of water levels in emergent macrophytes |
dc.subject.cnpq.fl_str_mv |
CNPQ::ENGENHARIAS |
description |
This work evaluated, throught techniques of Remote Sensing and geoprocessing, the influence of hydrological conditions in the dynamics of emergent aquatic macrophytes in Taim Wetland (TW), important wet area in Rio Grande do Sul. The TW covers about 53% of the entire area of Taim s Ecological Station, a Federal Protected Area, which has its uses shared, mainly between biodiversity protection and irrigation. The irrigation is an important economical activity for the region, however, it changes the hydrological regime of TW, a fundamental feature for the maintenance of local biodiversity. Thus, the understanding of how the hydrological regime impacts TW s biodiversity is an important tool for the management of water resources in the region. In this context, three species of emergent aquatic macrophytes (EAM), Z.bonariensis, S. californicus and S. giganteus, were selected, both considered as biological indicators of TW. In order to evaluate how the water levels impact the three EAM, some analyses on the relationship among the hydrological condition, maps of vegetation occurrence, index for normalized difference (IND) and index of habitat suitability (IHS) were carried out. For the identification of the occurrence areas and determination of IND of EAM, Landsat images from TM and ETM sensors were used, comprising the period between 1984 and 2003, while the IHS and the hydrological regime were obtained from previous studies (Tassi, 2008; Xavier, 2015). The employed methodology showed that the EAM Z.bonariensis and S. californicus are more sensitive to larger water levels (representatives of flood conditions); in this situation, reductions in the occurrence areas of these species were indentified. For smaller water levels (drought conditions), there was an increasing in the occurrence areas of the three species. The IND showed an effective index for the understanding of EAM s response to the hydrological conditions, although in many cases there was so much difficulty in the differentiation of vegetation and water. Generally, good coefficients of determination were found between the IND and the average IHS of three months (month of image + two months previous to the image date), and between the IND and the hydrological condition (water level) of two months previous to the image date. These results are the evidence that the effects of hydrological conditions on the studied EAM are not readily detected, and that anthropic actions can produce long-term effects. |
publishDate |
2016 |
dc.date.accessioned.fl_str_mv |
2016-05-25 |
dc.date.available.fl_str_mv |
2016-05-25 |
dc.date.issued.fl_str_mv |
2016-01-13 |
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info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/masterThesis |
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masterThesis |
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publishedVersion |
dc.identifier.citation.fl_str_mv |
Rosa, Cristiano Niederauer da. Influence of water levels in the dynamics of emergent aquatic macrophytes from Taim wetland. 2016. 174 f. Dissertação (Mestrado em Engenharias) - Universidade Federal de Santa Maria, Santa Maria, 2016. |
dc.identifier.uri.fl_str_mv |
http://repositorio.ufsm.br/handle/1/7653 |
identifier_str_mv |
Rosa, Cristiano Niederauer da. Influence of water levels in the dynamics of emergent aquatic macrophytes from Taim wetland. 2016. 174 f. Dissertação (Mestrado em Engenharias) - Universidade Federal de Santa Maria, Santa Maria, 2016. |
url |
http://repositorio.ufsm.br/handle/1/7653 |
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por |
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Universidade Federal de Santa Maria |
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UFSM |
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BR |
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Engenharia Ambiental |
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Universidade Federal de Santa Maria |
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