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. 2001 May 8;98(10):5458–5465. doi: 10.1073/pnas.101093598

Table 4.

Ecological principles for conserving ecosystem processes

Maintain or replicate
 Species richness, structural symmetry, and keystone processes
 Internal regulatory processes (e.g. predator–prey interactions)
 External diversifying forces
 Large habitat areas and spatial linkages between ecosystems
 Ecological gradients and ecotones
Minimize
 Erosion, nutrient leaching and pollution emissions
 Landscape simplification
 Landscape homogenization
Mimic
 Natural process in production cycle