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In log-enhanced file systems , the log is a supplement to , and replicates information in , the normal on-disk structures [ Hagm 87 ] . Population and community ecology Interactions of a single species ( population ) or an association of different species ( community ) occupying a particular region , including their biotic and abiotic environments . Specific short-term ( 5 year ) objectives are to : 1 ) quantify long-term change in hydrologic , nutrient , and C budgets on a gradient of watershed ecosystem biota ; 2 ) monitor long-term trends in soil N status ; 3 ) examine spatial and temporal change in subsurface soil water chemistry and flow to quantify N export and response to change in soil temperature and moisture ; 4 ) examine how changes in soil N availability alters forest floor and soil production of dissolved organic carbon ( DOC ) and DON ; 5 ) quantify change in labile C and N compounds from microbial biomass in response to soil temperature and N availability ; 6 ) evaluate long-term trends in forest floor and soil microbial activity , soil microbial biomass and functional diversity , and provide biological parameters for measuring ecosystem stability and response to disturbance ; 7 ) assess spatial and temporal patterns in decomposition rates , as decomposition of plant litter is a key ecosystem process linking the below-ground microbial component with primary ecosystem production ; 8 ) assess impact of changes in forest structure alone and in combination with environmental changes ( atmospheric inputs , global climate ) on the function of forested watersheds ( biogeochemistry and nutrient retention ) ; and , 9 ) provide management recommendations concerning human impacts on Park watersheds . All pensions from the basic pension scheme ( old – age , invalidity and survivors ) are exported abroad under bilateral agreements ( exportation of pro – rata pensions ) . Scorecard tracks sources of available exposure data covering different environmental media ( air , water , etc. ) .