止痛药
发表于 2025-3-30 11:54:53
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
朦胧
发表于 2025-3-30 12:27:14
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
发表于 2025-3-30 20:02:01
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
发表于 2025-3-30 20:48:27
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osteoclasts
发表于 2025-3-31 03:25:54
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Infirm
发表于 2025-3-31 06:52:26
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
发表于 2025-3-31 10:23:23
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
贪心
发表于 2025-3-31 15:27:29
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
发表于 2025-3-31 20:07:25
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