Predator Prey Relationships
Many predation-prey relationship can be observe in temperate rainforest. Some of the examples are when rear-fanged snake hunt on rain frog, and when red-tailed hawk hunt on marmot.
Keystone Species
The keystone species of the temperate rain forest are mostly coniferous trees. Keystone species are species that affect the ecosystem system critically. Organic materials from the tree can be decomposed by the decomposer, thus returning the nutrients to the soil. Water availability was also control by the tree.