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Effect of clearing native forest (Caatinga) strips on some hydrologic components of micro-watersheds. Repositório Alice
SHARMA, P.N.; SILVA, A. de S..
The influences of clearing native vegetation (Caatinga) in contour strips at 25 cm vertical interval on evaporation losses in cleared strips, annual runoff efficiency and annuall soil loss on gently sloped micro-waterheds in the arid zones of Northeast Brazil are reported. The alternate native vegetation (Caatinga) strips function very effectively as windbreaks thus reducing evaporation losses substantially in the leeward cleared strips. The runoff measured at the micro-watershed with cleared strips was many-fold lower than the runoff obtained at a completely denuded watershed even when it was protected by narrow based channel terraces. However, the annual runoff efficiency can be significantly increased in a strip cleared watershed if narrow based channel...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Vegetacao; Caatinga; Desmatamento; Bacia hidrografica; Solo; Agua; Manejo; Irrigacao; Terra arida; Vegetation; Deforestation; Watershed; Soil; Water; Management; Irrigation; Arid land; Irrigação; Solo; Irrigation.
Ano: 1988 URL: http://www.alice.cnptia.embrapa.br/handle/doc/133195
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