DIRECTING SPATIAL PATTERNS OF RECRUITMENT DURING AN EXPERIMENTAL URBAN WOODLAND RECLAMATION.

Abstract. Studies of biological invasions indicate that natural recruitment of new species can occur as a "nucleation" phenomenon, in which scattered colonization foci spread and coalesce. Ecological reclamation of damaged lands might make use of this potential for enhanced natural dispersal, by inoculating sites with multiple small plantings to attract animal dispersers and other mutualists from nearby remnants of natural habitat. We conducted an experimental test of this proposition.

On a 6-ha section of an abandoned municipal landfill in the New Jersey Meadowlands, we installed 16 clusters of 21 trees and shrubs in an array of fenced plots. Clusters contained seven ...

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