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		<isbn>978-85-17-00088-1</isbn>
		<label>60147</label>
		<citationkey>PrandelBrRoQuBaDe:2017:EsTrFr</citationkey>
		<title>Estudo da trajetória da fragmentação florestal na Região Norte do Rio Grande do Sul com uso de Imagens de Satélite</title>
		<format>Internet</format>
		<year>2017</year>
		<secondarytype>PRE CN</secondarytype>
		<numberoffiles>1</numberoffiles>
		<size>903 KiB</size>
		<author>Prandel, Jéssica Aparecida,</author>
		<author>Brandalise, Marciana,</author>
		<author>Rovani, Ivan Luís,</author>
		<author>Quadros, Franciele Rosset,</author>
		<author>Backes, Jéssica Cristina,</author>
		<author>Decian, Vanderlei Secretti,</author>
		<electronicmailaddress>jessicaprandel@yahoo.com.br</electronicmailaddress>
		<editor>Gherardi, Douglas Francisco Marcolino,</editor>
		<editor>Aragão, Luiz Eduardo Oliveira e Cruz de,</editor>
		<e-mailaddress>daniela.seki@inpe.br</e-mailaddress>
		<conferencename>Simpósio Brasileiro de Sensoriamento Remoto, 18 (SBSR)</conferencename>
		<conferencelocation>Santos</conferencelocation>
		<date>28-31 maio 2017</date>
		<publisher>Instituto Nacional de Pesquisas Espaciais (INPE)</publisher>
		<publisheraddress>São José dos Campos</publisheraddress>
		<pages>281-288</pages>
		<booktitle>Anais</booktitle>
		<organization>Instituto Nacional de Pesquisas Espaciais (INPE)</organization>
		<transferableflag>1</transferableflag>
		<abstract>Trajectory analysis of forest fragmentation in certain region is important to understand the space and the transformations that take place in the landscape. The purpose of this study was assessed the forest fragmentation trajectory in the North Rio Grande do Sul in course of twenty-five years (1986 to 2011), aiming to provide subsidies to environmental conservation and establishment of priority areas for the biodiversity maintenance. Images scene of Land 5 satellite Tm sensor were used for mapping of the use and cover land and the trajectory.  Through the application of geoprocessing techniques were carried out the processing of digital images, standard sample collection, use and cover land classification and quantification of the vegetal native category.  Over the period, it was possible to observe changes in the region landscape, these related with the decrease of the area occupied by agricultural uses, 21,46%, and the increase in area occupied by vegetal native uses and pasture 11,70% and 8,46%, respectively. This increase is connected to the abandon of agricultural areas, with low mechanization capacity for being in slope areas. Temporal analysis showed a increase in area to 76029,00 acres, and a increase in number of fragments to 2314.  Forest fragments in the study region are represented, in majority (around 90%), for small fragments showing that the region still having a high fragmentation degree. Larger fragments increased, showing a tendency to an improvement in environmental condition. Two important processes that are taking place in the region landscape are highlighted:  forest regeneration and connectivity.</abstract>
		<area>SRE</area>
		<type>Paisagens naturais</type>
		<language>pt</language>
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