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		<isbn>978-85-17-00088-1</isbn>
		<label>59731</label>
		<citationkey>SalesLSSPMSL:2017:CoÍnEx</citationkey>
		<title>Composição do índice de exposição antrópica de fragmentos florestais da bacia hidrográfica do Rio Una, Ibiúna/São Paulo</title>
		<format>Internet</format>
		<year>2017</year>
		<secondarytype>PRE CN</secondarytype>
		<numberoffiles>1</numberoffiles>
		<size>1201 KiB</size>
		<author>Sales, Jomil Costa,</author>
		<author>Lopes, Elfany Reis do Nascimento,</author>
		<author>Souza, José Carlos,</author>
		<author>Sousa, Jocy Ana Paixão de,</author>
		<author>Padovanni, Naia Godoy,</author>
		<author>Morais, Maria Cintia Matias,</author>
		<author>Silva, Darllan Collins da Cunha e,</author>
		<author>Lourenço, Roberto Wagner,</author>
		<electronicmailaddress>jomilc@gmail.com</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>249-256</pages>
		<booktitle>Anais</booktitle>
		<organization>Instituto Nacional de Pesquisas Espaciais (INPE)</organization>
		<transferableflag>1</transferableflag>
		<abstract>Habitat fragmentation and populational isolation is one of the most serious biodiversitys threats. Therefore, this study developed a methodology, using geoprocessing techniques to promote the preservation of forest remnants on the Una River watershed, located in Ibuína/SP, to identify areas under anthropic pressure.. Furthermore, along with the land use and vegetation cover study, it was created the Anthropic Exposure Indicator (IEA), across two variables, the Circularity Index (IC), and the Edge Effect Index (IEB). The results showed that the fragments have mostly very elongated shape and moderate anthropic pressure, agreeing IEB results. According to IEA the fragments 2 and 3, of Low Una, were classified as Medium exposure and the number 1 and 4 were classified as High exposure. Regarding the Middle Una fragments, the number 8 and 11 were classified as Medium exposure and the fragments 5, 6, 7, 9 and 10 as High exposure. The 12 and 15 fragments in Upper Una were classified as Medium exposure and 13 and 14 as High exposure. Therefore, the IEA can be interpreted as a potential tool for identification of forest areas with segmentation risk . Thus, after the identification of areas under anthropic pressure in expansion, it is essential to mitigate future impacts and define new politics to conservation vegetal areas. Finally, this study sought to demonstrate the possibility to use the geoprocessing and the remote sensing as management and planning tool of public policies for the environment.</abstract>
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		<language>pt</language>
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