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Este es un espacio para que intercambiemos noticias, comentarios y sugerencias para mejorar nuestro entorno y así poder disfrutar más y por más tiempo nuestro lugar. Y queremos informar una novedad: Los artículos sobre "Pago de Cuotas" y "Arreglos de Caminos" los estamos actualizando a fines de cada mes. Asi cada vecino podrá verificar si tenemos bien registrados sus pagos.
El águila es reina suprema de los espacios luminosos de Tunquén; alas que se curvan gozosas hacia arriba, pecho blanco, destello dorado detrás de la cabeza, y el volar sereno de la felicidad. A veces la vemos detenida en pleno vuelo, aleteando su rito de cacería, ojo de águila, lista la picada letal sobre quien se mueve pequeñito entre los boldos.
In the past, due to the lack of scientific knowledge, people had a bias against eucalyptus. Recently, the ecology discourse increased the value of native species in detriment of exotic species, as if to condemn planted forests of eucalyptus and pine.
Well, surely these two species are exotic. But, almost all the agriculture species are exotic as well: corn, soybean, rice, beans, sugarcane, coffee, potatoes, oranges, etc. The only native Brazilian species is the manioc. Therefore, there is nothing either odd or different on this matter between agriculture and silviculture.
The pulp and paper production chain, when compared to other agribusiness, maintains a larger volume of protected natural areas. The preserved area covers 2,6 million hectares summing the total area of permanent preservation and legal reserves, including the native parks and reserves and the Natural Patrimony Private Reserves that integrate the National System of Preservation Units from the IBAMA (Brazilian Institute for the Environment and Renewable Natural Resources). This protection has an important effect that creates a beneficial attribute to the sector in the biodiversity issue.
THE HYDROLOGY OF EUCALYPT FORESTS IN AUSTRALIA - A
REVIEW
WALTER P. LIMA
University of São Paulo, Forestry Department
13400 - Piracicaba - SP, Brazil
Comparative studies have shown average annual evapotranspiration in pine plantations to
be in the same order of magnitude of that observed in eucalypt forests. Young, vigorous,
dense regrowth of E. regnans forest was found to yield less water in comparison with
mature forest. At the age of 21 years, the difference in water yield was found to be around
200 mm per annum, but catchments yields tend to equalize as the regrowth matures