Portland Public Library

Ecosystems

Type

http://bibfra.me/vocab/lite/Concept

Label

Ecosystems

Name

Ecosystems

Focus

Ecosystems

Actions

Incoming Resources

Subject of
2
- The wolf's tooth, keystone predators, trophic cascades, and biodiversity, Cristina Eisenberg
- Ecoregions, the ecosystem geography of the oceans and continents, Robert G. Bailey

Outgoing Resources

Focus
1
- Ecosystems