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Filters: Tags: Land use configuration (X) > partyWithName: Diane Debinski (X)

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Conclusions: Emigration rates are closely tied to edge structure. Low contrast edges promote edge permeability Thresholds/Learnings: Synopsis: The behavior of two butterfly species, one habitat specialist and one habitat generalist, were tracked at four prairie edges to determine the extent to which edge structure affects emigration. The specialist species responded strongly to all edges, and was particularly affected by edge density. The generalist species responded strongly only to high contrast edges. Emigration rates are closely tied to edge structure. Therefore, promoting low contrast edges in conservation planning may positively influence edge permeability and species richness in highly fragmented landscapes.
    map background search result map search result map Butterfly responses to habitat edges in highly fragmented prairies of central Iowa. Butterfly responses to habitat edges in highly fragmented prairies of central Iowa.