Passar para o conteúdo principal

page search

Displaying 685 - 696 of 800
Conference Papers & Reports
Dezembro 1994

Reports on completed and planned research to examine farmers' perceptions of different breeds, the discretion they exercise over breed composition, and the impacts of breed perceptions on breeding practices. ILCA has recently undertaken three household surveys that shed light on farmers…

Reports & Research
Novembro 1994

Meeting symbol/code: CSC(94)AGR-21

Journal Articles & Books
Novembro 1993
Journal Articles & Books
Novembro 1993

In the context of developing a practicable and cost effective method for obtaining a country’s forest area by remote sensing, the computer processing of NOAA AVHRR HRPT data covering Liberia was investigated. The only cloud-free scene then recorded turned out to be severely and unevenly affected…

Journal Articles & Books
Novembro 1993

Dans de nombreuses régions du monde, les ressources en eau de plus en plus limitées et la mauvaise utilisation de l’eau douce mettent en péril le développement durable. Plus des deux tiers de l’eau prélevée dans les fleuves, lacs et nappes aquifères étant utilisés pour l’irrigation, l’…

Journal Articles & Books
Novembro 1993
Legislation
Dezembro 1992

This Act declares all the lands within 100 metres limit of the 1967 shoreline of Nigeria and any other land reclaimed from any lagoon, sea or ocean in or bordering Nigeria or of oceans bordering the Federal Republic of Nigeria, to the exclusion of any right accruing to any body corporate or…

Journal Articles & Books
Dezembro 1992

En muchas partes del mundo la escasez cada vez mayor de agua y el mal uso de agua dulce plantea graves problemas al desarrollo sostenible. Como más de dos tercios del agua que se toma de los ríos, lagos y acuíferos de la tierra se destinan al riego, la agricultura se considera una válvula de…