[4] Moreover, workers that build a road across the national forest, began to hunt individuals of yellow-tailed woolly monkey for their meat.

[4] The rediscovery of the yellow-tailed woolly monkey in 1974 in nearby areas attracted efforts of research and conservation to the national forest.

[4] In 1979, a main road connecting the eastern forest lands with the Pacific coast (Carretera Marginal de la Selva) is opened.

[2][3] Among the plant species found in the protected area are trees like cedro (Cedrela odorata), requia (Guarea trichilioides), rifari (Miconia longifolia), ojé (Ficus insipida), cetico (Cecropia sp.

), uvilla (Pourouma cecropiifolia), tornillo (Cedrelinga cateniformis), cascarilla (Cinchona pubescens), palo seco (Alseis peruviana), huamansamana (Dipteryx alata), amasisa (Erythrina fusca), quinilla (Manilkara bidentata), marupa (Simarouba amara), yurac ciprana (Guatteria hyposericea), zapote (Quararibea cordata), guayacán (Tabebuia ochracea), catahua (Hura crepitans), mashonaste (Clarisia racemosa), moena negra (Ocotea sp.