Wednesday, September 06, 2006

Corridors and plant species richness

Corridors Increase Plant Species Richness at Large Scales: The utility of corridors in fragmented landscapes has has been controversial since the 1980s. They became popular elements of landscape management plans, but there is little empirical evidence supporting their utility. A recent study in Science found that:
habitat patches connected by corridors retain more native plant species than do isolated patches, that this difference increases over time, and that corridors do not promote invasion by exotic species.
This supports the idea that corridors have conservation value (see Damschen et al.'s paper)

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