Two cultivars of tall fescue (Festuca arundinacea
Schreb.) with contrasting growth habits were studied under
field and growth chamber conditions. Fawn, an established
cultivar since 1964, and TFM, an experimental line, were
observed to grow better during spring and fall months
respectively, in the field. Different temperature regimes
of 10/4,...
This paper is an attempt to summarize our actual knowledge about the marine resources available in the area. It also analyzes the situation of the fishery and the principal aspects involved in a possible plan for an integral fisheries development of the Oceanic region around the islands. This plan could...
This analysis of Colombia's System of National Park Reservations
accomplishes four objectives: 1) The historical development of national
parks in Colombia was described; 2) The status, as of August,
1974, of the areas administered by the Colombian Renewable Natural
Resources Development Institute (INDERENA) was summarized; 3) An
analysis of major...
During the Colonial Period, in Mexico there was no rational
forest development policy and, as a result, forest resources were
squandered and to a considerable extent destroyed. During the
Nineteenth Century, a rational forest policy began to be promoted, but
in the end, it was translated into a policy of...