Ecosystem management.

Maintaining biodiversity in forest ecosystems / by: (Language materials, printed)

Ecosystem health/ by: (Language materials, printed)

Primary succession and ecosystem rehabilitation / by: (Language materials, printed)

Handbook of inland aquatic ecosystem management by: (Language materials, printed)

Ecosystem management.

Forest ecology

Forest management

Biological diversity conservation.

Wetland ecology.

Ecosystem.

Environmental health.

Ecological assessment(Biology).

Environment.

Forest conservation

Freshwater ecology.

Ecological succession.