Taxa fotossintética de Egeria densa em ambientes aquáticos da Mata Atlântica e da Caatinga
Ano de defesa: | 2016 |
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Autor(a) principal: | |
Orientador(a): | |
Banca de defesa: | , |
Tipo de documento: | Dissertação |
Tipo de acesso: | Acesso aberto |
Idioma: | por |
Instituição de defesa: |
Universidade Federal Rural do Semi-Árido
|
Programa de Pós-Graduação: |
Programa de Pós-graduação em Ecologia e Conservação
|
Departamento: |
Não Informado pela instituição
|
País: |
Brasil
|
Palavras-chave em Português: | |
Área do conhecimento CNPq: | |
Link de acesso: | http://repositorio.ufersa.edu.br/handle/tede/621 |
Resumo: | This study aimed to compare the photosynthetic rates of submerged aquatic macrophyte E. densa in aquatic environments of the Atlantic Forest and Caatinga. The photosynthesis measurements, respiration and physical and chemical characteristics of water were performed in two seasons (winter and summer) for the Atlantic Forest biome and (dry and wet) for the Caatinga biome. The photosynthesis experiments were carried out at the place of occurrence of E. densa using the environment itself water in the two biomes. Incubations were conducted during the illuminated period of the day (from 6 to 17 hours approximately) lasting an hour each incubation. To determine the photosynthesis and respiration rates we used the method of light and dark bottles, based on variations in dissolved oxygen concentrations determined by the Winkler method. The production of the aquatic macrophyte E. densa had significantly higher values in summer and rainy season than in the dry winter period. In the Atlantic Forest phosphorus and temperature were the variables that possessed greater influence in the primary production of Egeria densa and Caatinga biome production of E. densa increased when exposed to higher radiation values, temperature, phosphorus and lower nitrogen values. Photosynthetically active radiation and water temperature are factors that can act together or separately in increasing primary production of macrophytes and may vary according to species and geographical location. Primary production of submerged aquatic macrophyte E. densa was higher in the Caatinga during the rainy season, influenced by higher levels of photosynthetically active radiation and water temperature |
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Camargo, Antônio Fernando Monteiro02629582876Silva, Gustavo Henrique Gonzaga da27200278807http://lattes.cnpq.br/9715919793525325Santo, Marcicleide Lima do Espírito47418184204http://lattes.cnpq.br/5976681369390514Sousa, Marcos Antônio Nóbrega dehttp://lattes.cnpq.br/4412109117021331http://lattes.cnpq.br/441210911702133107583528402http://lattes.cnpq.br/0633123379076826http://lattes.cnpq.br/9032220109730468Dantas, Mônica Rafaele2017-03-21T15:05:42Z2016-03-07DANTAS, Mônica Rafaele. Taxa fotossintética de Egeria densa em ambientes aquáticos da Mata Atlântica e da Caatinga. 2016. 39 f. Dissertação (Mestrado) - Curso de Pós-graduação em Ecologia e Conservação, Universidade Federal Rural do Semi-Árido, Mossoró, 2016.http://repositorio.ufersa.edu.br/handle/tede/621This study aimed to compare the photosynthetic rates of submerged aquatic macrophyte E. densa in aquatic environments of the Atlantic Forest and Caatinga. The photosynthesis measurements, respiration and physical and chemical characteristics of water were performed in two seasons (winter and summer) for the Atlantic Forest biome and (dry and wet) for the Caatinga biome. The photosynthesis experiments were carried out at the place of occurrence of E. densa using the environment itself water in the two biomes. Incubations were conducted during the illuminated period of the day (from 6 to 17 hours approximately) lasting an hour each incubation. To determine the photosynthesis and respiration rates we used the method of light and dark bottles, based on variations in dissolved oxygen concentrations determined by the Winkler method. The production of the aquatic macrophyte E. densa had significantly higher values in summer and rainy season than in the dry winter period. In the Atlantic Forest phosphorus and temperature were the variables that possessed greater influence in the primary production of Egeria densa and Caatinga biome production of E. densa increased when exposed to higher radiation values, temperature, phosphorus and lower nitrogen values. Photosynthetically active radiation and water temperature are factors that can act together or separately in increasing primary production of macrophytes and may vary according to species and geographical location. Primary production of submerged aquatic macrophyte E. densa was higher in the Caatinga during the rainy season, influenced by higher levels of photosynthetically active radiation and water temperatureEste trabalho teve como objetivo comparar as taxas fotossintéticas da macrófita aquática submersa E. densa em ambientes aquáticos da Mata Atlântica e da Caatinga. As medições de fotossíntese, respiração e das características físicas e químicas da água foram realizadas em duas épocas do ano, (inverno e verão) para o bioma Mata Atlântica e (seco e chuvoso) para o bioma Caatinga. Os experimentos de fotossíntese foram realizados no local de ocorrência de E. densa. Foi utilizada água do próprio ambiente nos dois biomas, com incubações realizadas durante o período iluminado do dia (de 6 às 17 horas, aproximadamente) com duração de uma hora cada incubação. Para determinar as taxas de fotossíntese e respiração foi utilizado o método de frascos claros e escuros, com base nas variações das concentrações de oxigênio dissolvido, determinadas pelo método de Winkler. A produção da macrófita aquática E. densa apresentou valores significativamente superiores no verão e período chuvoso do que no período seco e inverno. No bioma Mata Atlântica o fósforo e a temperatura foram as variáveis que possuíram maior influência na produção primária da Egeria densa e no bioma Caatinga a produção da E. densa aumentou quando exposta a maiores valores de radiação, temperatura, fósforo e menores valores de nitrogênio. A radiação fotossínteticamente ativa e a temperatura da água são fatores que podem atuar juntos ou separadamente no aumento da produção primária das macrófitas, podendo variar de acordo com a espécie e com a localização geográfica. A produção primária da macrófita aquática submersa E. densa foi maior no bioma Caatinga no período chuvoso, influenciada por valores mais elevados de radiação fotossínteticamente ativa e de temperatura da águaSubmitted by Lara Oliveira (lara@ufersa.edu.br) on 2017-03-14T15:38:46Z No. of bitstreams: 1 MônicaRD_DISSERT.pdf: 1101183 bytes, checksum: e0ca5de6453caca8f9a99c3242cd1ec7 (MD5)Approved for entry into archive by Vanessa Christiane (referencia@ufersa.edu.br) on 2017-03-21T14:43:16Z (GMT) No. of bitstreams: 1 MônicaRD_DISSERT.pdf: 1101183 bytes, checksum: e0ca5de6453caca8f9a99c3242cd1ec7 (MD5)Approved for entry into archive by Vanessa Christiane (referencia@ufersa.edu.br) on 2017-03-21T14:47:37Z (GMT) No. of bitstreams: 1 MônicaRD_DISSERT.pdf: 1101183 bytes, checksum: e0ca5de6453caca8f9a99c3242cd1ec7 (MD5)Made available in DSpace on 2017-03-21T15:05:42Z (GMT). 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dc.title.por.fl_str_mv |
Taxa fotossintética de Egeria densa em ambientes aquáticos da Mata Atlântica e da Caatinga |
title |
Taxa fotossintética de Egeria densa em ambientes aquáticos da Mata Atlântica e da Caatinga |
spellingShingle |
Taxa fotossintética de Egeria densa em ambientes aquáticos da Mata Atlântica e da Caatinga Dantas, Mônica Rafaele Fotossíntese Radiação Temperatura Macrófita Aquática Produção Photosynthesis Radiation Temperature Macrophyte Production CNPQ::CIENCIAS BIOLOGICAS |
title_short |
Taxa fotossintética de Egeria densa em ambientes aquáticos da Mata Atlântica e da Caatinga |
title_full |
Taxa fotossintética de Egeria densa em ambientes aquáticos da Mata Atlântica e da Caatinga |
title_fullStr |
Taxa fotossintética de Egeria densa em ambientes aquáticos da Mata Atlântica e da Caatinga |
title_full_unstemmed |
Taxa fotossintética de Egeria densa em ambientes aquáticos da Mata Atlântica e da Caatinga |
title_sort |
Taxa fotossintética de Egeria densa em ambientes aquáticos da Mata Atlântica e da Caatinga |
author |
Dantas, Mônica Rafaele |
author_facet |
Dantas, Mônica Rafaele |
author_role |
author |
dc.contributor.authorID.por.fl_str_mv |
07583528402 |
dc.contributor.authorLattes.por.fl_str_mv |
http://lattes.cnpq.br/0633123379076826 |
dc.contributor.advisorLattes.por.fl_str_mv |
http://lattes.cnpq.br/9032220109730468 |
dc.contributor.advisor1.fl_str_mv |
Camargo, Antônio Fernando Monteiro |
dc.contributor.advisor1ID.fl_str_mv |
02629582876 |
dc.contributor.advisor-co1.fl_str_mv |
Silva, Gustavo Henrique Gonzaga da |
dc.contributor.advisor-co1ID.fl_str_mv |
27200278807 |
dc.contributor.advisor-co1Lattes.fl_str_mv |
http://lattes.cnpq.br/9715919793525325 |
dc.contributor.referee1.fl_str_mv |
Santo, Marcicleide Lima do Espírito |
dc.contributor.referee1ID.fl_str_mv |
47418184204 |
dc.contributor.referee1Lattes.fl_str_mv |
http://lattes.cnpq.br/5976681369390514 |
dc.contributor.referee2.fl_str_mv |
Sousa, Marcos Antônio Nóbrega de |
dc.contributor.referee2ID.fl_str_mv |
http://lattes.cnpq.br/4412109117021331 |
dc.contributor.referee2Lattes.fl_str_mv |
http://lattes.cnpq.br/4412109117021331 |
dc.contributor.author.fl_str_mv |
Dantas, Mônica Rafaele |
contributor_str_mv |
Camargo, Antônio Fernando Monteiro Silva, Gustavo Henrique Gonzaga da Santo, Marcicleide Lima do Espírito Sousa, Marcos Antônio Nóbrega de |
dc.subject.por.fl_str_mv |
Fotossíntese Radiação Temperatura Macrófita Aquática Produção Photosynthesis Radiation Temperature Macrophyte Production |
topic |
Fotossíntese Radiação Temperatura Macrófita Aquática Produção Photosynthesis Radiation Temperature Macrophyte Production CNPQ::CIENCIAS BIOLOGICAS |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS BIOLOGICAS |
description |
This study aimed to compare the photosynthetic rates of submerged aquatic macrophyte E. densa in aquatic environments of the Atlantic Forest and Caatinga. The photosynthesis measurements, respiration and physical and chemical characteristics of water were performed in two seasons (winter and summer) for the Atlantic Forest biome and (dry and wet) for the Caatinga biome. The photosynthesis experiments were carried out at the place of occurrence of E. densa using the environment itself water in the two biomes. Incubations were conducted during the illuminated period of the day (from 6 to 17 hours approximately) lasting an hour each incubation. To determine the photosynthesis and respiration rates we used the method of light and dark bottles, based on variations in dissolved oxygen concentrations determined by the Winkler method. The production of the aquatic macrophyte E. densa had significantly higher values in summer and rainy season than in the dry winter period. In the Atlantic Forest phosphorus and temperature were the variables that possessed greater influence in the primary production of Egeria densa and Caatinga biome production of E. densa increased when exposed to higher radiation values, temperature, phosphorus and lower nitrogen values. Photosynthetically active radiation and water temperature are factors that can act together or separately in increasing primary production of macrophytes and may vary according to species and geographical location. Primary production of submerged aquatic macrophyte E. densa was higher in the Caatinga during the rainy season, influenced by higher levels of photosynthetically active radiation and water temperature |
publishDate |
2016 |
dc.date.issued.fl_str_mv |
2016-03-07 |
dc.date.accessioned.fl_str_mv |
2017-03-21T15:05:42Z |
dc.type.status.fl_str_mv |
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 |
DANTAS, Mônica Rafaele. Taxa fotossintética de Egeria densa em ambientes aquáticos da Mata Atlântica e da Caatinga. 2016. 39 f. Dissertação (Mestrado) - Curso de Pós-graduação em Ecologia e Conservação, Universidade Federal Rural do Semi-Árido, Mossoró, 2016. |
dc.identifier.uri.fl_str_mv |
http://repositorio.ufersa.edu.br/handle/tede/621 |
identifier_str_mv |
DANTAS, Mônica Rafaele. Taxa fotossintética de Egeria densa em ambientes aquáticos da Mata Atlântica e da Caatinga. 2016. 39 f. Dissertação (Mestrado) - Curso de Pós-graduação em Ecologia e Conservação, Universidade Federal Rural do Semi-Árido, Mossoró, 2016. |
url |
http://repositorio.ufersa.edu.br/handle/tede/621 |
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Universidade Federal Rural do Semi-Árido |
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Programa de Pós-graduação em Ecologia e Conservação |
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UFERSA |
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Brasil |
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Universidade Federal Rural do Semi-Árido |
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