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Interrelationships Among Hydrological, Biodiversity and Land Use Features of the Pantanal and Everglades

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Interrelationships Among Hydrological, Biodiversity and Land Use Features of the Pantanal and Everglades Interrelationships among hydrological, biodiversity and Land Use Features of the Pantanal and Everglades Biogeochemical Segmentation and Derivation of Numeric Nutrient Criteria for Coastal Everglades waters. FIU Henry Briceño. Joseph N. Boyer NPS Joffre Castro 100 years of hydrology intervention …urban development 1953 1999 Naples Bay impacted by drainage, channelization, and urban development FDEP 2010 SEGMENTATION METHOD Six basins, 350 stations POR 1991 (1995)-1998. NH4, NO2, TOC, TP, TN, NO3, TON, SRP, DO, Turbidity, Salinity, CHLa, Temperature Factor Analysis (PC extraction) Scores Mean, SD, Median, MAD Hierarchical Clustering NUMERIC NUTRIENT CRITERIA The USEPA recommends three types of approaches for setting numeric nutrient criteria: - reference condition approach - stressor-response analysis - mechanistic modeling. A Station’s Never to Exceed (NTE) Limit. This limit is the highest possible level that a station concentration can reach at any time A Segment’s Annual Geometric Mean (AGM) Limit. This limit is the highest possible level a segment’s average concentration of annual geometric means can reach in year A Segment’s 1-in-3 Years (1in3) Limit. This limit is the level that a segment average concentration of annual geometric means should be less than or equal to, at least, twice in three consecutive years. 1in3 AGM NTE 90% 80% 95% AGM : Annual Geometric Mean Not to be exceeded 1in3 : Annual Geometric Mean Not to exceed more than once in 3 yrs Biscayne Bay, Annual Geometric Means 0.7 AGMAGM Limit : Not to be exceeded 0.6 (Annual Geometric Mean not to be exceeded) 1in31in3 Limit : Not to exceed more 0.5 (Annualthan Geometric once Mean in not 3 to beyears exceeded more than once in 3 yrs) 0.4 0.3 Total Nitrogen, mg/LNitrogen, Total 0.2 Potentially Enriched 0.1 SCO NCO SNB NCI NNB CS SCM SCI MBS THRESHOLD ANALYSIS Regime Shift Detection methods (Rodionov 2004) Cumulative deviations from mean method CTZ CHLa Zcusum Threshold 20 0 -20 Cusum . Cusum - -40 -60 CHLa Z CHLa -80 -100 -120 0.001 0.010 0.100 1.000 TP (mg/l) Main TP Threshold 0.06 0.05 0.04 0.03 mg/lTP 0.02 0.01 0.00 CI GI CL CL LK LK CS EB PD UK UK SCI IGS MK MK MR NCI CTZ CTZ SFB BLK CFB SCB BKS NPL NPL OFF BKB SCO NFB SNB OGS IWW NCO SCM NNB MBS SRM WFB PINE MGS ECFB MAR WWB WWB COCO MARC BB FB FK PIRB SHELF WWB-TTI Interrelationships among hydrological, biodiversity and Land Use Features of the Pantanal and Everglades Biogeochemical Segmentation and Derivation of Numeric Nutrient Criteria for Coastal Everglades waters. FIU Henry Briceño. Joseph N. Boyer NPS Joffre Castro Hydroperiod Whitewater Bay- Pine Island- Biscayne Bay Florida Bay Florida Keys Shelf 10,000 Islands Rookery Bay POR Jun/96 to Sep/08 Mar/91 to Dec/07 Mar/95-Oct/09 Sep/92-Sep/08 May/95-Sep/07 Jan/99-Sep/09 TN TN TN TN TP TN Input TP TP TP TP TN TP CHLA CHLA CHLA CHLA CHLA CHLA Variables TOC TOC TOC TOC NOX TOC SAL_S SAL SAL SAL NH4 SAL_S for DO_S DO DO DO TOC DO_S TURB TURB TURB TURB SAL_S TURB NOX TON TEMP NH4 DO_S NO3 Factor NO2 NO3 TURB NO2 NH4 NO2 NH4 SRP NH4 SRP Analysis SRP TEMP Stations 30 28 155 47 49 29 Factors 5 6 4 4 4 5 Acct Variance 73% 79% 66% 75% 63% 81% Clusters n=9 n=6 n=7 n=8 n=3 n=7 Card Sound (CS) Central Florida B. (CFB) Back Bay (BKB) Black River (BR) Inner (IGS) Collier Inshore (CI) North Central Inshore (NCI) Eastern-Central (ECFB) Back Shelf (BKS) Coastal Transition Z. (CTZ) Mid (MGS) Estero Bay (EB) North Central Outter (NCO) North Florida B. (NFB) Lower Keys (LK) Gulf Islands (GI) Outter (OGS) Marco Island (MARC) Northern North Bay (NNB) Coastal Lakes (CL) Middle Keys (MK) Internal Waterways (IWW) Naples Bay (NB) South Central Inshore (SCI) South Florida B. (SFB) Upper Keys (UK) Mangrove Rivers (MR) Pine Island S. (PINE) South Central Mid Bay (SCM) West Florida B. (WFB) Marquesas (MAR) Ponce de Leon (PD) San Carlos B. (SCB) South Central Outter (SCO) Offshore (OFF) Shark River Mouth (SRM) Cocohatchee (COCO) Southern North Bay (SNB) Whitewater Bay (WWB) Manatee-Barnes Sound (MBS).
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