In response to government concerns, FAO has begun to develop more information on the nature of small forest enterprises, their contributions to rural incomes, the constraints that hold the small entrepreneur back, and the opportunities that strengthening this sector hold for improved rural incomes. An initial step was the commissioning of a number of case-studies.

L'article principal de ce numro, O en est l'amnagement des forts tropicales?, est le troisime d'une srie traitant de l'amnagement des forts tropicales humides. Dans cet article, M. R. Schmidt, forestier la FAO, examine les aspects techniques de l'amnagement des forts tropicales naturelles partir des tudes et rapports rcents de la FAO sur les projets nationaux, achevs ou en cours, ayant bnfici de l'aide de la FAO dans ce domaine.

El principal articulo de este nmero de Unasylva, titulado Ordenacin de los bosques higrofticos tropicales: informe actualizado, es el tercero de una serie dedicada a esa ordenacin. En el articulo, R. Schmidt, Oficial de montes de la FAO, examine los aspectos tcnicos de la ordenacin de los, bosques tropicales naturales, pasando revista a los recientes estudios e informes de la FAO sobre proyectos anteriores y actuales de ordenacin de bosques tropicales realizados por los gobiernos con asistencia de la Organizacin.

Discusses the historical context of ILCA's research, the principal types of animal production systems and the stages in ILCA's farming systems research. Describes the smallholder farming in the Ethiopian highlands & humid zone, the agropastoralists of the sub-humid zone, systems research in pastoral areas of eastern Africa (Kenya & Ethiopia), characteristics of the arid and semi-arid zones of West Africa and the role of modelling in the system. Ends with a summary of past experience.

Compilation of proceedings of the 2nd ILCA/NAPRI symposium on livestock production in subhumid Nigeria discussing the ecology, vegetation & land use & development potential of the zone; traditional cattle & small ruminant production practices; research updates in livestock systems research, animal nutrition & feed production; extension & adoption of innovations; and future research.

Discusses the historical context of ILCA's research, the principal types of animal production systems and the stages in ILCA's farming systems research. Describes the smallholder farming in the Ethiopian highlands & humid zone, the agropastoralists of the sub-humid zone, systems research in pastoral areas of eastern Africa (Kenya & Ethiopia), characteristics of the arid and semi-arid zones of West Africa and the role of modelling in the system. Ends with a summary of past experience.

Summarises the performance of three species of stylosanthes, viz, S. guianensis cvs Cook and Schofield, S. hamata cv. Verano and S. humilis under different production systems in Nigeria, such as in pure legume pastures, mixed pastures, with crops, in rangeland and under seed production.

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 tica, el Dr. Namkoong esboza varias estrategias alternativas para la ordenacin de los recursos genticos de las plantas leosas y examina su aplicacin a una serie de condiciones socioeconmicas, niveles de tecnologa y objetivos biolgicos.

Looks at the allocation of resources to livestock research in Africa. Assesses the role of agricultural research and its value to national governments. Investigates the appropriate criteria to use for decision making by comparing three kinds of decision-making models. Presents conclusions for policy-making.