Biotic communities - Economic aspects.

Valuing ecosystem services = toward better environmental decision-making/ by: (Language materials, printed)

Nature's services : = societal dependence on natural ecosystems / by: (Language materials, printed)

Conserving and valuing ecosystem services and biodiversity : = economic, institutional and social challenges / by: (Language materials, printed)

Human ecology- Economic aspects.

Environmental policy- Decision making.

Ecosystem management.

Environmental degradation- Economic aspects.

Aquatic ecology- Economic aspects.

Biotic communities- Economic aspects.

Environmental protection- Decision making.

Nature- Effect of human beings on.

Biodiversity conservation- Economic aspects.