Document Detail

The effect of military training activity on eastern lupine and the Karner blue butterfly at Fort McCoy, Wisconsin, USA.
MedLine Citation:
PMID:  11740627     Owner:  NLM     Status:  MEDLINE    
The US Department of Defense (DOD) manages over 10.1 million ha of land, much of which is used for training military personnel. However, vast sections receive little or no use, and military lands have become refuges for many species. At Fort McCoy, Wisconsin, USA, populations of the endangered Karner blue butterfly (Lycaeides melissa samuelis) are found in oak and pine barren communities where wild lupine (Lupinus perennis), a perennial forb required by Karner blue butterfly larvae, still occurs. Oak and pine barren communities are disturbance-dependent, and the barrens ecosystems in the Midwest have declined in extent by 98% because of fire suppression, succession, and habitat fragmentation. We studied the effects of disturbance by military manuever training on the density of lupine and Karner blue butterfly at Fort McCoy. We also wanted to determine whether military training activity could enhance Karner blue butterfly habitat. At locations where tracked vehicles had driven through lupine patches, the abundance of lupine and nectar-producing plants was greater in the median strip between vehicle ruts than in vehicle ruts or 5 m outside the vehicle ruts. The proportion of lupine stems with Karner blue butterfly larvae feeding sign (the ratio of stems fed upon to stems examined) was greater in areas where military vehicles had traveled than where they had not. The proportion of lupine stems with feeding sign and lupine stem density was also positively related to the occurrence of prior bivouacs and fires caused by military munitions. Shrub and forest canopy abundance were lower in areas traveled by tracked vehicles. At the scale of the lupine patch, lupine abundance and the proportion of lupine stems with feeding sign were positively correlated with military training activities, suggesting that maintenance of lupine habitat can be achieved in concert with military training.
Mark A Smith; Monica G Turner; Donald H Rusch
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Environmental management     Volume:  29     ISSN:  0364-152X     ISO Abbreviation:  Environ Manage     Publication Date:  2002 Jan 
Date Detail:
Created Date:  2001-12-12     Completed Date:  2002-03-05     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7703893     Medline TA:  Environ Manage     Country:  United States    
Other Details:
Languages:  eng     Pagination:  102-15     Citation Subset:  IM    
Department of Wildlife Ecology, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA.
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MeSH Terms
Conservation of Natural Resources*
Military Personnel*
Motor Vehicles*
Plants, Edible
Population Dynamics

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