environmental assessment us border patrol, tucson sector

Douglas FOB EA DraftAugust 2011AffectedEnvironmentLand UseSoilsWater ResourcesVegetative HabitatWildlife ResourcesNo ActionAlternativeNo direct impacts wouldoccur.No direct impacts wouldoccur.No direct impacts wouldoccur.No direct impacts wouldoccur.No direct impacts wouldoccur.Table 2-3. Summary Matrix of Potential ImpactsPreferredAlternativeApproximately 10 acreswould be permanentlyconverted fromundeveloped desertscrub rangeland toUSBP facilities.Direct impacts onapproximately 10 acresof soil removed frombiological production.A SWPPP would beprepared prior toconstruction and BMPsimplemented. Minordirect impacts onpotable groundwatersupplies.Loss of approximately10 acres of desert scrubvegetation.Negligible to minorimpacts on wildlifepopulations due to theloss of approximately10 acres of habitat.Alternative 2 Alternative 3 Alternative 4Approximately 10 acreswould be permanentlyconverted fromundeveloped desertscrub rangeland toUSBP facilities.Direct impacts onapproximately 10 acresof soil removed frombiological production.Impacts would besimilar to thosedescribed for thePreferred Alternative.Loss of approximately10 acres of desert scrubvegetation.Negligible to minorimpacts on wildlifepopulations due to theloss of approximately10 acres of habitat.Approximately 10 acreswould be permanentlyconverted fromundeveloped desertscrub rangeland toUSBP facilities.Direct impacts onapproximately 10 acresof soil removed frombiological production.Impacts would besimilar to thosedescribed for thePreferred Alternative.Loss of approximately10 acres of desert scrubvegetation.Negligible to minorimpacts on wildlifepopulations due to theloss of approximately10 acres of habitat.Approximately 140acres of activeranchland would bepermanently convertedto USBP facilities.Minimal newconstruction and grounddisturbance areanticipated at the site;therefore, no soilimpacts would beanticipated.Impacts would besimilar to thosedescribed for thePreferred Alternative.Minimal newconstruction and grounddisturbance areanticipated at the site;therefore, no impacts onvegetative habitat wouldbe anticipated.Minimal newconstruction and grounddisturbance areanticipated at the site;therefore, no impacts onfish and wildliferesources would beanticipated.2-13