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		<isbn>978-85-17-00088-1</isbn>
		<label>59776</label>
		<citationkey>MattosRVBOHVG:2017:UsImAé</citationkey>
		<title>Uso de imagens aéreas obtidas por VANT para avaliação da cobertura do dossel e produtividade de plantio de eucalipto manejado por talhadia</title>
		<format>Internet</format>
		<year>2017</year>
		<secondarytype>PRE CN</secondarytype>
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		<author>Mattos, Eduardo Moré de,</author>
		<author>Rocha, José Henrique Tertulino,</author>
		<author>Vrechi, Arthur,</author>
		<author>Bazani, José Henrique,</author>
		<author>Otto, Marina Shinkai Gentil,</author>
		<author>Hussni, Nazir,</author>
		<author>Vecchioli, Enrico,</author>
		<author>Gonçalves, José Leonardo de Moraes,</author>
		<electronicmailaddress>eduardo@4tree.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>6567-6574</pages>
		<booktitle>Anais</booktitle>
		<organization>Instituto Nacional de Pesquisas Espaciais (INPE)</organization>
		<transferableflag>1</transferableflag>
		<abstract>Coppicing is a low-cost management system which can ensure the wood productivity and consequently improve competitivity of Brazilian wood products.  Stocking at the end of the first rotation is commonly used as a decision support criteria about coppicing or replanting the stand. However, the interactions of initial stocking and compensation practices (management of sprouts) over the productivity is yet to be understood. It is largely known that leaf area drives productivity, especially in young stands. From this perspective, unmanned aerial vehicles (UAV) could provide high quality imagery that can be used to assess canopy cover over areas subject to coppice regime and support management decisions. Therefore, our objective is to assess the effectiveness of this images in estimating canopy cover, as well as to check the relationships between canopy cover and productivity in a coppice experiment on a third rotation Eucalyptus grandis plantation at the São Paulo state. Sprout thinning was conducted 18 months after the clear cut of the previous rotation, the aerial imagens were taken 7 months after that, or 25 months after clear cut. Forest inventory was conducted one month after the survey in order to match the measurements. Although lower stocking plots were able to compensate canopy cover differences through individual stem increment, canopy cover were highly dependent on stocking (R2=0.71, p<0.001) and also highly correlated (R2=0.99, p<0.001) with stand production, these findings support the usage of aerial images to help management decisions.</abstract>
		<area>SRE</area>
		<type>Floresta e outros tipos de vegetação</type>
		<language>pt</language>
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