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POLLUTION 1 WATER QUALITY (ORGANICS, METALS, PESTICIDES, SEDIMENTS) (FLOODS, DROUGHT) INFLOW I o u T n o w (UPSTREAM IMPOUNDMENTS, (LOSSES) \ P" TIDAL INnUENCE SAN F'RANCISCO C AQUATIC ECOSYSTEM HEALTH & PRODUCTIVITY "! I , SPECIES INTERACTIONS (INTRODUCED SPECIES) LAND RECLAMATION SLOUGHS, (PHYSICAL TRIBUTARIES, HABITAT, ESTU-) I FOOD PRODUCTION (PHYTOPLANKTON, ZOOPLANKTON / FORAGE FISH) I OTHER FACTORS -CUWA Conclusions - INFLUENCE BAY-DELTA ECOSYSTEM 4 MUST BE ADDRESSED IN PARALLEL WITH WATER QUALITY STANDARDS +Standards alone will not restore ecosystem to desired levels 4 t OTHER FACTORS -CUWA Conclusions - Ill/ ~ , EVIDENCE OF IMPORTANCE: OResults of CUWASsreview @Unexplained variance in X2 vs. Abundance Relationships @Direct correlations of Other Factors with Abundance @Results of other studies/researchers CUWA WORK PLAN ON -OTHER FACTORS COMPILEIREVIEW DATA DETERMINE RELATIVE IMPACTS OF' OTHER FACTORS (% Contribution) Spatially/Temporally +Per Species Basis (if possible) + IMPACTS AND DEVELOP APPROPRIATE REMEDIATION PLANS 9 PRIORITIZE STATUS AND TRENDS -CUWA Conclusions IIII i LONG-TERM DECLINES IN ABUNDANCE HAVE OCCURRED 0 CAUSES FOR DECLINES NEED TO BE ADDRESSED AND REMEDIED +Water Quality Standards +Other Factors I I I I STATUS AND TRENDS -CU WA RECOMMENDATIONSREFINE EXISTING SURVEY PROGRAMS /More Accurately Portray Species Abundance a DEVELOP MONITORING PROGRAMS JEvaluate Effectiveness of Recovery Measures DEVELOP MULTI-SPECIES ECOSYSTEM MANAGEMENT PROGRAM JAddress all major problems 6. i