Los Ruiles reserve lies in the foothills of the Chilean Coast Range (Cordillera de la Costa), and has an area of 45 hectares.[1] The reserve consists of two separate sections. The Los Ruiles section is 29 ha, in the valley of the Curanilahue River in Chanco municipality, on the boundary with Pelluhue municipality, near the road connecting Chanco and Cauquenes (72°30’30" W, 35°49’’30" S). The Los Ruiles section ranges from 200 to 400 meters elevation.[2] The El Fin section lies to the northeast, in the valley of the Pino Talca River in Empedrado municipality (72°21’0"W, 35°37’30"S). Both rivers flow westwards through shallow valleys to empty into the Pacific. The Curanilahue River flows year-round, and the Pino Talca is mostly dry during the summer months.[3]
The reserve is mostly forested. The predominant forest type is Chilean Coast Range mountain forest, also known as Maulino forest (bosque caducifolio Maulino) or the Nothofagus glauca–Azara petiolaris association. Maulino forest is a forest community at the transition between the humid Valdivian temperate forests of south-central Chile and the Mediterranean-climate Chilean matorral of central Chile. The reserve is rich in woody plants, with about 80 reported tree and shrub species. Dominant trees include several winter-deciduous species of Nothofagus or southern beech, including Nothofagus dombeyi, N. glauca, N. × leoni, and N. alessandrii. Other dominant trees include Luma apiculata, Podocarpus salignus, Lithraea caustica, boldo (Peumus boldus), and Quillaja saponaria. The reserve is home to 72 species of mosses, including several Valdivian and Patagonian species at their northern distribution limit.[3]
The reserve is home to one of the northernmost populations of monito del monte (Dromiciops gliroides), a small marsupial which dwells in the mature forests of southern Chile and Argentina.[4]
The reserve is surrounded by plantations of radiata pine (Pinus radiata), an introduced species that has replaced most of the coastal forest.[3]
Facilities
There is a reception area, several picnic tables and two footpaths.
^Hinojosa, L. F., Armesto, J. J., & Villagrán, C. (2006). Are Chilean Coastal Forests Pre-Pleistocene Relicts? Evidence from Foliar Physiognomy, Palaeoclimate, and Phytogeography. Journal of Biogeography, 33(2), 331–341. http://www.jstor.org/stable/3554890>}
^ abcdMüller, Frank & Pereira, Iris. (2006). The bryophyte flora of nature reserves in central Chile. 1. The moss flora of Los Ruiles Nature Reserve, near Talca. Bryophyte Diversity and Evolution. 27. 10.11646/bde.27.1.8.
^Uribe, S.V., Chiappe, R.G. & Estades, C.F. Persistence of Dromiciops gliroides in landscapes dominated by Pinus radiata plantations. Rev. Chil. de Hist. Nat. 90, 2 (2017). https://doi.org/10.1186/s40693-017-0065-2
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