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<br />. <br /> <br />The ..... <br />Natwe1l" <br />conservan~ <br /> <br />Of COl,otAOO <br /> <br />11 March 1999 <br /> <br />;LeRoy W. Carlson <br />ill.S. Fiili and Wildlife Service <br />tolorado Field Offioe <br />. . <br />'P. O. BOx 2S4S6 <br />Denver federal Center <br />:Derivor, CO 80225-0207 <br /> <br />Dear Lee: <br /> <br />. <br /> <br />Enclos~; please find a: Copy ofa wh.ite paper from the Preble's meado'Y jumping mousescienee <br />team. tn several conversations and meetiiJ.gs, the Science Team hlis produced apapcr tha;! <br />addresses questions ~t your staff requested. Specifically, those questions are: . <br /> <br />1. What is a minimum patch si7..e for the PM!M? . <br />~. What area should be'considered a maximum allowable disturbance area? <br /> <br />A!lyoulmow, the ~ on such Specific questions are sparse and the science te~ struggled.with <br />the concept While most of the team believes that the provided recommendations are very <br />conservative, we did n~t have data to suggest supportable alternatives;' We havo confidence that <br />the recommendations will miniD:1ize the chances of taking' II mouse or its habitat <br /> <br />. <br />On' behalf of the Science Team, we hope that this paper is useful in making decisions on the <br />issues around ditch maintenanCe. The team feels strongly that suppOrt of the ditch user <br />corilmUnity will be important in the long term Conservation of the .mouse. . <br /> <br />If the Stimce rcami can be offui:therhelp in this or other mouse issue&, please feel free tio <br />contact!me: <br /> <br />s~reJ'/) <br />~~ <br /> <br />Chri~her A. Pague, Conservation Scientist <br />FaT thaPMlM Schmoe Team <br /> <br />Cc: Doug Robo1ham <br />PMJM Science Team <br /> <br />. 121, PIN, S'rttET, Bt)lJLD!f<, CoWAAOO 80302 <br />303./CH.2950 p..x ~03.<<4.29B6 <br />11'f1"E1UOOlo~ orner ts IN ARUNCiT\JN, VA <br /> <br />~J 1M R<<)'CUJ"'" <br />