Titlebook: Rangeland Desertification; Olafur Arnalds,Steve Archer Book 2000 Springer Science+Business Media B.V. 2000 Erosion.Vegetation.ecosystem.ec

止痛藥

Agricultural and ecological perspectives of vegetation dynamics and desertificationfurther degradation of the Nama-karoo. In contrast, the more recent ecological perspective of vegetation dynamics and desertification, emphasizes spatial and temporal unpredictability as its guiding principle. Ironically most ecological research has been carried out in the relatively more predictabl

朦朧

The implementation of soil conservation programmess of identification of the problems, developing and then implementing solutions. While participation is important, landusers will not change the way in which they manage land unless the right blend of incentives and disincentives exists. Some of the incentives that affect soil conservation programme

吊胃口

Evolution of rangeland conservation strategieshasized federal intervention, agronomic approaches (seeding, fertilization) and degradation “containment”. As a consequence, soil conservation came to be regarded as a government responsibility, rather than a responsibility of the land user. In contrast, current programs emphasize sustainable land u

Fortify

osteoclasts

Infirm

drology, nutrients and erosion. Chapters in the second sectionexamine socio-economic constraints and approaches for preventing andreversing degradation. .The book provides a contemporary, process-oriented perspective onrangeland degradation of value to students, policy-makers andprofessionals alike.978-90-481-5359-6978-94-015-9602-2

反感

es covering areas of geology, geography and ecology, providing comprehensive access to the most up-to-date research on the structure, form and processes operating on Quaternary coral reefs..978-90-481-2639-2Series ISSN 1388-4360 Series E-ISSN 1871-756X

貪心

Olafur Arnalds,Steve Archeres covering areas of geology, geography and ecology, providing comprehensive access to the most up-to-date research on the structure, form and processes operating on Quaternary coral reefs..978-90-481-2639-2Series ISSN 1388-4360 Series E-ISSN 1871-756X

chemoprevention

Olafur Arnaldses covering areas of geology, geography and ecology, providing comprehensive access to the most up-to-date research on the structure, form and processes operating on Quaternary coral reefs..978-90-481-2639-2Series ISSN 1388-4360 Series E-ISSN 1871-756X