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M m <br /> xo Table 2-2 <br /> Summary of Impacts and Mitigation Measures <br /> W Significance Significance <br /> 3 Impacts Before Mitigation Measures After <br /> Mitigation Mitigation <br /> maintaining appropriate pool hydrology to enable successful <br /> metamorphosis of larvae to occur,but without fostering <br /> normative aquatic predators; <br /> ► retention of small mammal burrows and other suitable estivation <br /> habitat(e.g.,underground holes,cracks,or niches)in adjacent <br /> uplands; <br /> ► the fact that maintenance of open habitat between breeding <br /> ponds and estivation sites(e.g.,roads and other linear barriers) <br /> can increase mortality or even prevent migrations and dispersal, <br /> significantly increasing harm to and mortality of salamanders <br /> and toads); <br /> ► siting replacement wetland habitat,whenever possible,within <br /> approximately 1.5 miles of other known breeding sites. <br /> 4.5-4:Impacts on Giant Garter Snake.Implementation of the PS 4.5-4:Impacts on Giant Garter Snake.The City will request LTS <br /> Nproposed project would disturb irrigation/drainage canals and coverage under the SJMSCP and fees will be paid in the amount <br /> ditches that provide suitable aquatic and upland habitat for giant determined by SJCOG during the application and review process for <br /> garter snake and could result in direct take of individuals.This the project. SJCOG may also determine,based on an independent <br /> impact would be potentially significant. review by a qualified biologist,that the following measures will be <br /> v <br /> implemented to reduce impacts on giant garter snake: <br /> ► Construction will occur during the active period for the snake, <br /> CD <br /> v between May 1 and October 1.Between October 2 and April 30, <br /> pthe JPA,with the concurrence of the permitting agencies' <br /> T representatives on the TAC,shall determine whether additional <br /> measures are necessary to minimize and avoid take. <br /> ► Vegetation clearing within 200 feet of the banks of potential <br /> CD <br /> aquatic habitat for giant garter snake will be limited to the <br /> minimum area necessary. <br /> 0 <br /> W ► The movement of heavy equipment within 200 feet of the banks <br /> of potential aquatic habitat for giant garter snake will be <br /> confined to existing roadways to minimize habitat disturbance. <br /> v ► Before ground disturbance,all on-site construction personnel <br /> will be given instruction regarding the presence of SJMSCP- <br /> covered species and the importance of avoiding impacts on these <br /> species and their habitats. <br /> Cn <br /> v1- In areas where wetlands,irrigation ditches,marsh areas,or other <br /> LTS=Less than Significant S=Significant PS=Potentially Significant SU=Significant and Unavoidable <br />