plural of ecological footprint

(informal) beneficial (or at least harmless) to the ecology of a region

A diagram that shows the relative amounts of energy or matter, or numbers of organisms within each trophic level in a food chain or food web.

plural of ecological pyramid

A large concrete block with a groove in the bottom face and a tongue on the top face to eliminate slippage when they are stacked. There is also a steel loop on the top face to facilitate lifting. The blocks are stacked in an offset manner to create a wall for retaining earth by means of their great mass. A wall built with them can be readily dismantled and the blocks reused (in ecological fashion).

the study of the effects of chemical compounds on the interactions of living organisms

The application of the principles of ecology to the restoration of derelict, degraded and fragmented ecosystems.

Alternative spelling of hydroecology

(geography) A geographic approach that emphasizes human-environment relationships.

An ecological and environmental philosophy that advocates the inherent worth of living beings regardless of their instrumental utility to human needs.