ANALYSIS OF SPACE-TIME DYNAMICS OF FOREST FRAGMENTS IN THE ALEGRE RIVER SUBWATERSHED, BRAZIL

Detalhes bibliográficos
Autor(a) principal: Silva, Kmila Gomes da
Data de Publicação: 2016
Outros Autores: Santos, Alexandre Rosa dos, Silva, Aderbal Gomes da, Peluzio, João Batista Esteves, Fiedler, Nilton César, Zanetti, Sidney Sára
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Cerne (Online)
Texto Completo: https://cerne.ufla.br/site/index.php/CERNE/article/view/1076
Resumo: Knowing the history of forest fragmentation in watersheds helps plan and implement practices based on restoration of degraded forest areas. Structural analysis of forest fragments in the Alegre River subwatershed, State of Espírito Santo, was based on landscape metrics using ArcGIS 10 software with Patch Analyst extension, regarding changes during 1975, 2002, and 2007. Analysis showed an increase of about 7% in the total area of forest cover and emergence of 645 new forest fragments. Numerous patches and a small drainage area resulted in a high perimeter-to-area ratio. Simple geometric shapes predominated in smaller patches (< 1 ha). Larger patches (> 20 ha) were close to each other, with a tendency to decrease proximity metric values. The results show that despite increase in vegetated area, the environmental quality of forest remnants is highly jeopardized.
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spelling ANALYSIS OF SPACE-TIME DYNAMICS OF FOREST FRAGMENTS IN THE ALEGRE RIVER SUBWATERSHED, BRAZILForest remnantsspatial and temporal evolutionLandscape metricsGeographic Information Systems.Knowing the history of forest fragmentation in watersheds helps plan and implement practices based on restoration of degraded forest areas. Structural analysis of forest fragments in the Alegre River subwatershed, State of Espírito Santo, was based on landscape metrics using ArcGIS 10 software with Patch Analyst extension, regarding changes during 1975, 2002, and 2007. Analysis showed an increase of about 7% in the total area of forest cover and emergence of 645 new forest fragments. Numerous patches and a small drainage area resulted in a high perimeter-to-area ratio. Simple geometric shapes predominated in smaller patches (< 1 ha). Larger patches (> 20 ha) were close to each other, with a tendency to decrease proximity metric values. The results show that despite increase in vegetated area, the environmental quality of forest remnants is highly jeopardized.CERNECERNE2016-04-19info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://cerne.ufla.br/site/index.php/CERNE/article/view/1076CERNE; Vol. 21 No. 2 (2015); 311-318CERNE; v. 21 n. 2 (2015); 311-3182317-63420104-7760reponame:Cerne (Online)instname:Universidade Federal de Lavras (UFLA)instacron:UFLAenghttps://cerne.ufla.br/site/index.php/CERNE/article/view/1076/838Copyright (c) 2016 CERNEinfo:eu-repo/semantics/openAccessSilva, Kmila Gomes daSantos, Alexandre Rosa dosSilva, Aderbal Gomes daPeluzio, João Batista EstevesFiedler, Nilton CésarZanetti, Sidney Sára2016-04-20T10:37:29Zoai:cerne.ufla.br:article/1076Revistahttps://cerne.ufla.br/site/index.php/CERNEPUBhttps://cerne.ufla.br/site/index.php/CERNE/oaicerne@dcf.ufla.br||cerne@dcf.ufla.br2317-63420104-7760opendoar:2024-05-21T19:54:22.403868Cerne (Online) - Universidade Federal de Lavras (UFLA)true
dc.title.none.fl_str_mv ANALYSIS OF SPACE-TIME DYNAMICS OF FOREST FRAGMENTS IN THE ALEGRE RIVER SUBWATERSHED, BRAZIL
title ANALYSIS OF SPACE-TIME DYNAMICS OF FOREST FRAGMENTS IN THE ALEGRE RIVER SUBWATERSHED, BRAZIL
spellingShingle ANALYSIS OF SPACE-TIME DYNAMICS OF FOREST FRAGMENTS IN THE ALEGRE RIVER SUBWATERSHED, BRAZIL
Silva, Kmila Gomes da
Forest remnants
spatial and temporal evolution
Landscape metrics
Geographic Information Systems.
title_short ANALYSIS OF SPACE-TIME DYNAMICS OF FOREST FRAGMENTS IN THE ALEGRE RIVER SUBWATERSHED, BRAZIL
title_full ANALYSIS OF SPACE-TIME DYNAMICS OF FOREST FRAGMENTS IN THE ALEGRE RIVER SUBWATERSHED, BRAZIL
title_fullStr ANALYSIS OF SPACE-TIME DYNAMICS OF FOREST FRAGMENTS IN THE ALEGRE RIVER SUBWATERSHED, BRAZIL
title_full_unstemmed ANALYSIS OF SPACE-TIME DYNAMICS OF FOREST FRAGMENTS IN THE ALEGRE RIVER SUBWATERSHED, BRAZIL
title_sort ANALYSIS OF SPACE-TIME DYNAMICS OF FOREST FRAGMENTS IN THE ALEGRE RIVER SUBWATERSHED, BRAZIL
author Silva, Kmila Gomes da
author_facet Silva, Kmila Gomes da
Santos, Alexandre Rosa dos
Silva, Aderbal Gomes da
Peluzio, João Batista Esteves
Fiedler, Nilton César
Zanetti, Sidney Sára
author_role author
author2 Santos, Alexandre Rosa dos
Silva, Aderbal Gomes da
Peluzio, João Batista Esteves
Fiedler, Nilton César
Zanetti, Sidney Sára
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Silva, Kmila Gomes da
Santos, Alexandre Rosa dos
Silva, Aderbal Gomes da
Peluzio, João Batista Esteves
Fiedler, Nilton César
Zanetti, Sidney Sára
dc.subject.por.fl_str_mv Forest remnants
spatial and temporal evolution
Landscape metrics
Geographic Information Systems.
topic Forest remnants
spatial and temporal evolution
Landscape metrics
Geographic Information Systems.
description Knowing the history of forest fragmentation in watersheds helps plan and implement practices based on restoration of degraded forest areas. Structural analysis of forest fragments in the Alegre River subwatershed, State of Espírito Santo, was based on landscape metrics using ArcGIS 10 software with Patch Analyst extension, regarding changes during 1975, 2002, and 2007. Analysis showed an increase of about 7% in the total area of forest cover and emergence of 645 new forest fragments. Numerous patches and a small drainage area resulted in a high perimeter-to-area ratio. Simple geometric shapes predominated in smaller patches (< 1 ha). Larger patches (> 20 ha) were close to each other, with a tendency to decrease proximity metric values. The results show that despite increase in vegetated area, the environmental quality of forest remnants is highly jeopardized.
publishDate 2016
dc.date.none.fl_str_mv 2016-04-19
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://cerne.ufla.br/site/index.php/CERNE/article/view/1076
url https://cerne.ufla.br/site/index.php/CERNE/article/view/1076
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://cerne.ufla.br/site/index.php/CERNE/article/view/1076/838
dc.rights.driver.fl_str_mv Copyright (c) 2016 CERNE
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2016 CERNE
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv CERNE
CERNE
publisher.none.fl_str_mv CERNE
CERNE
dc.source.none.fl_str_mv CERNE; Vol. 21 No. 2 (2015); 311-318
CERNE; v. 21 n. 2 (2015); 311-318
2317-6342
0104-7760
reponame:Cerne (Online)
instname:Universidade Federal de Lavras (UFLA)
instacron:UFLA
instname_str Universidade Federal de Lavras (UFLA)
instacron_str UFLA
institution UFLA
reponame_str Cerne (Online)
collection Cerne (Online)
repository.name.fl_str_mv Cerne (Online) - Universidade Federal de Lavras (UFLA)
repository.mail.fl_str_mv cerne@dcf.ufla.br||cerne@dcf.ufla.br
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