Land degradation.

Patterns of land degradation in drylands = understanding self-organised ecogeomorphic systems / by: (書目-語言資料,印刷品)

Land Tenure Dynamics and Integrated Watershed Management. by: (書目-語言資料,手稿)

International Food and Feed Trade and Nutrient Cycling and Balances - Exploring Relationships at Country Level. by: (書目-語言資料,手稿)

Arid regions ecology.

Emissions.

Population growth.

Natural resources.

Environment.

Food chains.

Land degradation.

Soil sciences.

Soil fertility.

Agronomy.

Natural resource management.

Fertilizers.

Watersheds.

Watershed management.

Soil Science & Conservation.

Greenhouse gases.

Land tenure.

Climate change.

Land use planning.

Nitrogen.

Problem solving.

Feeds.

Environmental quality.

Animal sciences.

Environmental restoration.

Earth.

Livestock.

Water pollution.

Agriculture.

Sustainability.

Water resources management.

Legislation.