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Population status of insects of Plecoptera order in Sierra Nevada National Park in Venezuela and its implications for conservation planning. Longitudinal distribution of Plecoptera species were exam- ined along the Sierra Nevada National Park in the Andean region of Merida State, venezuela. PNSN is one of the largest protected areas and consists of two major sub-basins. Quantitative samples were collected in 7 river tributaries along the PNSN from February to May of 2009, and a total of 135 individuals and 4 species of the genus Anacroneuria were collected. Only three rivers (Nuestra Senora, La Picon y Corcovada) found the pres- ence of stoneflies, the principal component analysis show that the characterization of habitat, current velocity, dissolved oxygen and the absence of human disturbance sources of influence in a suitable habitat for popula- tions. Stoneflies are endangered or have become extinct throughout much of its range due to human activities. Conservation plans must be implemented urgently, in order to avoid recreational areas and/or economic in vicin - ity thereof. Rev. Biol. Trop. 58 (4): 1299-1310. Epub 2010 December 01.

Estado poblacional del orden Plecoptera (Insecta) en el Parque Nacional Sierra Nevada en Venezuela y sus implicaciones para planes de conservación