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<br />Table 1. Summary of expected impacts (continued) <br /> <br />DECOMPOSERS <br />Silver Effects: <br /> <br />Klein <br /> <br />Decomposition: <br /> <br />ABIOTIC FACTORS <br /> <br />Generator Sites <br />Field Exp. <br />Lab Study <br />Tundra Litter <br /> <br />Geomorphic processes: Rock Weathering <br /> <br />~ <br />~ <br /> <br />Development: <br /> <br />Seed Viability and <br />Genecology: <br /> <br />Mass Wast ing <br /> <br />Soil Erosion <br /> <br />-Kobresia <br />-Geum <br /> <br />Subalpine meadow <br />-Fescue <br /> <br />-Forbs <br /> <br />Subalpine forest <br />-Aspen <br />-Spruce <br />AlpinE! Tundra <br />-Most Species <br /> <br />Tundra <br /> <br />o <br /> <br />2 <br /> <br />o <br /> <br />2 <br /> <br />o <br />o <br /> <br />o <br />o <br /> <br />o <br /> <br />Unknown <br /> <br />Unknown <br /> <br />o <br /> <br />-2 <br /> <br />o <br />o <br /> <br />-I <br /> <br />-I <br /> <br />o <br />o <br /> <br />-I <br /> <br />-1 <br /> <br />None <br />None <br />None <br /> <br />Low <br />Low <br />Low <br /> <br />Low <br /> <br />Med <br /> <br />Low <br /> <br />Low <br /> <br />Low <br /> <br />Low <br /> <br />Low <br /> <br />Med <br /> <br />Low <br />Low <br /> <br />Low <br />Med <br /> <br />Low <br /> <br />Low <br /> <br />Low <br /> <br />Low <br /> <br />None <br />Low <br /> <br />Low <br />Low <br /> <br />Low <br /> <br />Low <br /> <br />None <br /> <br />Med <br /> <br />Acts through decomposition <br />to give some organic build- <br />up <br /> <br />Organic loss increases in Webber et 031. <br />snowdrift sites through leach- <br />ing. In poorly drained sites <br />decay is retarded. <br /> <br />General increase in solute <br />removal and nutrient release <br />associated with higher water <br />fluxes and greater plant <br />decomposition ~ate5. <br /> <br />Local increase~ in mudflows <br />associated with snowdrifts <br /> <br />Long-term response to changed <br />ground cover a~ound sno~bank5 <br />Environmental ~onditions un- <br />likely to change. Slight <br />increase canopy opening, but <br />greater reduction from added <br />moisture and shorter gro~ing <br />season <br /> <br />Delayed productivity in mar- <br />ginal situations because of <br />delay in snowmelt. <br /> <br />Delay restricted to early- <br />season growth. <br /> <br />Delay in some phenological <br />stages. <br /> <br />Delay restricted to early- <br />season growth. <br />Effect only in snowbank <br />areas. <br /> <br />Caine <br /> <br />Caine <br /> <br />Caine <br /> <br />Webber et a 1. <br /> <br />Owen <br /> <br />Owen <br /> <br />Fechner <br /> <br />Bock <br /> <br />Sock <br />