MANAGEMENT OF THE VEGETATION UNDER ELECTRICAL ENERGY TRANSMISSION LINES IN THE SERRA DE BATURIT\uc9

Entre os impactos diretos causados pela instala\ue7\ue3o de redes el\ue9tricas sobre a vegeta\ue7\ue3o e o solo ressaltam-se a fragmenta\ue7\ue3o de trechos de mata, os efeitos de borda decorrentes da derrubada de \ue1reas florestadas, o estabelecimento de corredores sob as linhas de transmiss\ue3o de energia e a acelera\ue7\ue3o de processos erosivos do solo. Objetivou-se, no presente estudo, propor alternativas de manejo racional da cobertura vegetal de mata atl\ue2ntica em \ue1reas sob linhas de transmiss\ue3o de energia el\ue9trica (ALTEEs), instaladas na Serra de Baturit\ue9, Cear\ue1. Foram selecionadas e delimitadas ALTEEs situadas na vertente barlavento e nos intervalos altitudinais abaixo de 600, entre 600 e 800 e acima de 800 metros, em redes de m\ue9dia (13,8 kV) e alta tens\ue3o (69 kV). Foram selecionadas e avaliadas \ue1reas n\ue3o-perturbadas, consideradas como referencial no estudo comparativo com as ALTEEs. Os resultados apontaram que o manejo da vegeta\ue7\ue3o em \ue1reas sob linhas de transmiss\ue3o de energia deve considerar principalmente os seguintes aspectos: (1) o h\ue1bito de crescimento das esp\ue9cies em \ue1reas n\ue3o-perturbadas; (2) a taxa de crescimento da vegeta\ue7\ue3o; (3) a\ue7\uf5es distintas nas regi\uf5es imediatamente abaixo da rede el\ue9trica, na faixa de servid\ue3o e acima da faixa de servid\ue3o. A execu\ue7\ue3o do plano de manejo, associado \ue0s constantes avalia\ue7\uf5es t\ue9cnicas, possibilitar\ue3o a adequa\ue7\ue3o da metodologia para as diferentes situa\ue7\uf5es ambientais da Serra de Baturit\ue9 e/ou outras localidades.Forest fragmentation, board effects, establishment of corridors without vegetation and the acceleration of soil erosive processes are some direct impacts occurring on the vegetation and soil due to installation of electrical transmission lines. The goal of the present study was to propose alternatives for the sustainable management of the Atlantic Forest in areas under electrical transmission lines (ALTEEs) installed in the Baturit\ue9 Mountain, Cear\ue1, Brazil. It was selected and delimited ALTEEs located in the windward slope at the altitudinal ranges below to 600, between 600 and 800 and above to 800 meters in electric networks of low (13,8 kV) and high tension (69 kV). It was also selected undisturbed areas considered as referential in comparison to the ALTEEs. The results pointed out that management of the vegetation in areas under electrical transmission lines should mainly consider the following aspects: (1) growth habit of tree species within undisturbed areas; (2) growth rates of the vegetation; (3) differentiated management procedures on the vegetation situated immediately below the electrical lines, within intervention area and beyond to the intervention area. The execution of the management plan associated to the constant technical evaluations will make possible the adaptation of the methodology for the different environmental situations in the Baturit\ue9 Mountain and/or other regions