En el curso de la historia, los bosques fueron apreciados por la multiplicidad de productos y beneficios que rendan, ya sea como medio de subsistencia que de comercio: comestibles, medicinas, especias, resinas, gomas, ltex, fauna, combustible, y madera y productos forestales, etc. La literatura…
This report summarises results and recommendations arising from phase one of the Sepik River Fish Stock Enhancement Project. This phase investigated and evaluated the need for fish stocking of the Sepik and Ramu Rivers in Papua New Guinea.
This report details some species of fish considered appropriate for stocking the Sepik/Ramu Rivers. Fishes thought suitable for introduction have been divided into three categories: Category A (species whose introduction is recommended); Category B (species that are thought to be of particular…
This analysis of global and Asian markets looks at protectionism and substitution (decline in starch trade, rise in trade of cassava feedstuffs) and the Asian regional market for cassava feedstuffs. The degree of substitution between cassava and grains has increased measurably during the postwar…
El principal articulo de este nmero de Unasylva, que es del Profesor Gene Namkoong, se basa en la ponencia que present a los debates sobre recursos genticos en el Noveno Congreso Forestal Mundial, celebrado en Mxico, D.F., en julio de 1985. Considerando problemas de naturaleza tanto tcnica como…
An international journal of forestry and forest industries
Revista internacional de silvicultura e industrias forestales
This Bulletin contains the papers and proceedings of the FAO/SIDA Workshop on Organic Materials and Soil Productivity in the Near East. In view of the important complementary effect of organic materials to mineral fertilizers and their role in improving the soil?s physical properties, the…
Revista internacional de silvicultura e industrias forestales
An international journal of forestry and forest industries
Projections reveal that to sustain the likely world population in the year 2000, an increase of 60 percent in agricultural production will be required. "Is there sufficient land to meet these needs?" becomes the overriding question. However, little precise information exists on which…