wqmn-176-178serc.fiu.edu/wqmnetwork/sfwmd-cd/quartrpt/wqmn-176-178.pdf · 2006. 3. 27. · title:...
TRANSCRIPT
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Southeast Environmental Research Center OE-148 Florida International University, Miami, FL 33199
305-348-3095, 305-348-4096 fax, http://serc.fiu.edu
24 March 2006 Patrick Martin SFWMD 8894 Belvedere Road West Palm Beach, FL 33411 Re: South Florida Coastal Water Quality Monitoring Network – 10-12/05 Quarterly Report (C-15397) Dear Mr. Martin: This letter serves to transmit the South Florida Coastal Water Quality Monitoring Network Quarterly Report as per our SFWMD/SERC Cooperative Agreement #C-15397. This report consists of this letter along with corresponding tables and figures. Project Background This report includes water quality data collected monthly during the annual period of record (POR) Oct. – Dec. 2005 from 28 stations in Florida Bay, 22 stations in Whitewater Bay, 25 stations in Ten Thousand Islands, 25 stations in Biscayne Bay, and 28 stations in Cape Romano-Rookery Bay-Pine Island Sound. A total of 49 stations were also collected on the SW Florida Shelf on a quarterly basis. Figure 1 shows the location of the fixed sampling stations. Water quality parameters monitored at each station include the dissolved nutrients nitrate + nitrite (NOx), nitrite (NO2), nitrate (NO3), ammonium (NH4), inorganic nitrogen (DIN), and soluble reactive phosphorus (SRP). Silicate (Si(OH)4) was analyzed at all stations on a quarterly basis in conjunction with SW Shelf sampling. Total concentrations of nitrogen (TN), organic nitrogen (TON), phosphorus (TP), and organic carbon (TOC) were also measured. All concentrations for each of these parameters are reported as parts per million (ppm) except where noted. Biological parameters monitored included chlorophyll a (µg l-1) and alkaline phosphatase activity (APA; µM hr-1). Field parameters measured at both surface and bottom of the water column include salinity, dissolved oxygen (DO; mg l-1), and temperature (oC). Turbidity (NTU) of the surface water was also measured.
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Data Results A previous spatial analysis of data from Florida Bay resulted in the delineation of 3 groups of stations which have robust similarities in water quality (Fig. 2). We have argued that these spatially contiguous groups of stations are the result of similar loading and processing of materials, hence we call them 'zones of similar influence'. The Eastern Bay zone (FBE) acts most like a 'conventional' estuary in that it has a quasi-longitudinal salinity gradient caused by the mixing of freshwater runoff with seawater. In contrast, the Central Bay (FBC) is a hydrographically isolated area with low and infrequent terrestrial freshwater input, a long water residence time, and high evaporative potential. The Western Bay zone (FBW) is the most influenced by the Gulf of Mexico tides and is also isolated from direct overland freshwater sources. Station #7 - Highway Creek did not cluster out with any of the Florida Bay stations and was considered separately. Using the same statistical approach as above, the TTI-WWB complex was partitioned into 6 distinct zones of similar water quality (Fig. 3). The first cluster was composed of 13 stations in and around the Shark, Harney, Broad, and Lostmans Rivers and is called the Mangrove River (MR) group. This cluster also included a sampling station just off the Faka Union Canal. The second cluster was made up of the 8 stations enclosed within Whitewater Bay proper (WWB). Twelve stations situated mostly in and around the coastal islands of TTI-WWB formed the Gulf Island group (GI). The water quality characteristics at the Coot Bay site were sufficiently different so as to be a cluster of its own. The next cluster contained the northernmost 2 stations in the Blackwater River estuary (BLK). Finally, the Inland Wilderness Waterway zone (IWW) included 11 stations distributed throughout the inside passage as well as the Chatham River and the station off Everglades City. Biscayne Bay was partitioned into 6 distinct ZSI using the above statistical analysis. The first cluster was composed of 2 stations closest to the shore in the south Bay (Fig. 4); they were called the Alongshore group (AS). These are stations most influenced by the Goulds, Military and Mowry Canals. The second cluster was made up of the 5 stations farther from the coast called Inshore (IS). Thirteen stations situated mostly in the bay proper were called the main Bay (MAIN) group. The next cluster contained 3 stations situated in areas of great tidal exchange (ocean channel, not shown). Two stations in Card Sound grouped together SCARD. For purposes of this report, the stations added to the area north of the Rickenbacker Causeway are defined, a priori, as a distinct cluster, North Bay (NBAY). The above statistical analysis objectively classified the 49 Shelf sampling sites into 3 zones having similar water quality (Fig. 5). The first cluster was composed of only 2 stations which were closest to the shore off Cape Sable; they were called the SHARK group, after the Shark River, the main source of freshwater to the region. The second cluster was made up of the 7 more northerly stations nearest the coast and called SHOAL. The remaining stations were called the SHELF group. Sampling in the Rookery Bay area began Jan. 1999, so we now have 5 years of data available. But because of the very heterogeneous nature of the area, we will continue to use generally accepted geomorphological characteristics to group the stations (Fig. 6). These groupings are Cocohatchee River (COCO), Estero Bay (EST), Cape Romano-Marco Island (MARC), Naples Bay (NPL), Pine Island Sound (PIS), Rookery Bay (RB), and San Carlos Bay (SCB).
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Data are also reported as box-and-whiskers plots (Figs. 7-28). The center horizontal line in the box is the median of the data, the top and bottom of the box are the 25th and 75th percentiles (quartiles), and the ends of the whiskers are the 5th and 95th percentiles. Summary statistics of all water quality parameters by ecosystem are shown in Table 1. The median was chosen because it is a more accurate measure of central tendency in non-normally distributed water quality data. The range is expressed as the minimum (Min.) and maximum (Max.) values for the POR, and n is the number of data points used in the analysis. This and prior sampling periods included the passage of three major hurricanes through the area: Hurricane Katrina 8/26, Hurricane Rita 9/20, and Hurricane Wilma 10/24. In addition, construction on the widening of Route 1 (the Stretch) began in earnest with the cutting of mangroves and stabilizing of soils. Stations in Eastern Florida Bay and South Card Sound experienced a large pulse of TP during October which resulted in some of the highest chlorophyll a values ever recorded. Three examples are shown below which illustrate the problem. We are not sure as to the cause of the TP increase but it was widespread affecting Card Sound, Barnes Sound, Manatee Bay, Blackwater Sound, Little Blackwater Sound, and most of Eastern Florida Bay. We will continue to analyze this and ancillary data and hope to find the cause for inclusion into the FY05 Annual Report in June.
Barnes Sound (Sta. 4)
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Manatee Bay (Sta. 3)
Duck Key (Sta. 9)
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If you have any questions about the content of this report, please do not hesitate to contact me at 305-348-4076 or [email protected]. Sincerely,
Joseph N. Boyer, Ph.D. Associate Director and Scientist
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Figure 1: All fixed water quality stations funded by this SFWMD project.
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Figure 2. Florida Bay zones.
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25.4Florida Bay Water Quality Zones
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Figure 3. WWB-TTI water quality zones.
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Mangrove Rivers, Whitewater Bay, Gulf Islands,Coot Bay, Blackwater River, Inner Waterway
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Figure 4. Biscayne Bay water quality zones.
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Figure 5. SW Florida Shelf water quality zones.
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Figure 6. SW estuaries.
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Estero Bay
Rookery Bay
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Eastern Florida Bay Zone
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0.0
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DIN
Salinity
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Figure 7. Box-and-whisker plots of water quality in Eastern Florida Bay by survey.
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Central Florida Bay Zone
010203040506070
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Figure 8. Box-and-whisker plots of water quality in Central Florida Bay by survey.
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Western Florida Bay Zone
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0.000.050.100.150.200.250.300.35
ppm
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Figure 9. Box-and-whisker plots of water quality in Western Florida Bay by survey.
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Whitewater Bay Zone
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Figure 10. Box-and-whisker plots of water quality in WWB-TTI by survey.
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0
4
8
12
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2003
-03
2003
-08
2004
-01
2004
-06
2004
-11
2005
-07
2005
-12
DIN
Salinity
TP
CHLA
Figure 11. Box-and-whisker plots of water quality in WWB-TTI by survey.
-
Gulf Islands Zone
0
10
20
30
40
1992
-09
1993
-02
1993
-07
1993
-12
1994
-05
1994
-10
1995
-03
1995
-08
1996
-01
1996
-06
1996
-11
1997
-04
1997
-09
1998
-02
1998
-07
1999
-01
1999
-06
1999
-11
2000
-04
2000
-09
2001
-02
2001
-07
2001
-12
2002
-05
2002
-10
2003
-03
2003
-08
2004
-01
2004
-06
2004
-11
2005
-07
2005
-12
0.00
0.05
0.10
0.15
0.20
0.25
ppm
1992
-09
1993
-02
1993
-07
1993
-12
1994
-05
1994
-10
1995
-03
1995
-08
1996
-01
1996
-06
1996
-11
1997
-04
1997
-09
1998
-02
1998
-07
1999
-01
1999
-06
1999
-11
2000
-04
2000
-09
2001
-02
2001
-07
2001
-12
2002
-05
2002
-10
2003
-03
2003
-08
2004
-01
2004
-06
2004
-11
2005
-07
2005
-12
0.00
0.04
0.08
0.12
0.16
0.20
ppm
1992
-09
1993
-02
1993
-07
1993
-12
1994
-05
1994
-10
1995
-03
1995
-08
1996
-01
1996
-06
1996
-11
1997
-04
1997
-09
1998
-02
1998
-07
1999
-01
1999
-06
1999
-11
2000
-04
2000
-09
2001
-02
2001
-07
2001
-12
2002
-05
2002
-10
2003
-03
2003
-08
2004
-01
2004
-06
2004
-11
2005
-07
2005
-12
0
4
8
12
16
ppb
1992
-09
1993
-02
1993
-07
1993
-12
1994
-05
1994
-10
1995
-03
1995
-08
1996
-01
1996
-06
1996
-11
1997
-04
1997
-09
1998
-02
1998
-07
1999
-01
1999
-06
1999
-11
2000
-04
2000
-09
2001
-02
2001
-07
2001
-12
2002
-05
2002
-10
2003
-03
2003
-08
2004
-01
2004
-06
2004
-11
2005
-07
2005
-12
DIN
Salinity
TP
CHLA
Figure 12. Box-and-whisker plots of water quality in WWB-TTI by survey.
-
Inner Waterway Zone
0
10
20
30
40
50
1994
-09
1995
-01
1995
-05
1995
-09
1996
-02
1996
-08
1996
-12
1997
-04
1997
-08
1997
-12
1998
-04
1998
-08
1999
-01
1999
-05
1999
-09
2000
-01
2000
-05
2000
-09
2001
-01
2001
-05
2001
-09
2002
-01
2002
-05
2002
-09
2003
-01
2003
-05
2003
-09
2004
-01
2004
-05
2004
-09
2005
-01
2005
-08
2005
-12
0.000.050.100.150.200.250.300.35
ppm
1994
-09
1995
-01
1995
-05
1995
-09
1996
-02
1996
-08
1996
-12
1997
-04
1997
-08
1997
-12
1998
-04
1998
-08
1999
-01
1999
-05
1999
-09
2000
-01
2000
-05
2000
-09
2001
-01
2001
-05
2001
-09
2002
-01
2002
-05
2002
-09
2003
-01
2003
-05
2003
-09
2004
-01
2004
-05
2004
-09
2005
-01
2005
-08
2005
-12
0.00
0.05
0.10
0.15
0.20
ppm
1994
-09
1995
-01
1995
-05
1995
-09
1996
-02
1996
-08
1996
-12
1997
-04
1997
-08
1997
-12
1998
-04
1998
-08
1999
-01
1999
-05
1999
-09
2000
-01
2000
-05
2000
-09
2001
-01
2001
-05
2001
-09
2002
-01
2002
-05
2002
-09
2003
-01
2003
-05
2003
-09
2004
-01
2004
-05
2004
-09
2005
-01
2005
-08
2005
-12
0
5
10
15
20
25
ppb
1994
-09
1995
-01
1995
-05
1995
-09
1996
-02
1996
-08
1996
-12
1997
-04
1997
-08
1997
-12
1998
-04
1998
-08
1999
-01
1999
-05
1999
-09
2000
-01
2000
-05
2000
-09
2001
-01
2001
-05
2001
-09
2002
-01
2002
-05
2002
-09
2003
-01
2003
-05
2003
-09
2004
-01
2004
-05
2004
-09
2005
-01
2005
-08
2005
-12
DIN
Salinity
TP
CHLA
Figure 13. Box-and-whisker plots of water quality in WWB-TTI by survey.
-
Blackwater River Zone
0
10
20
30
40
1994
-09
1995
-01
1995
-05
1995
-09
1996
-04
1996
-09
1997
-01
1997
-05
1997
-09
1998
-01
1998
-05
1998
-10
1999
-02
1999
-06
1999
-10
2000
-02
2000
-06
2000
-10
2001
-02
2001
-06
2001
-10
2002
-02
2002
-06
2002
-10
2003
-02
2003
-06
2003
-10
2004
-02
2004
-06
2004
-10
2005
-02
2005
-09
0.00
0.05
0.10
0.15
0.20
0.25
0.30
ppm
1994
-09
1995
-01
1995
-05
1995
-09
1996
-04
1996
-09
1997
-01
1997
-05
1997
-09
1998
-01
1998
-05
1998
-10
1999
-02
1999
-06
1999
-10
2000
-02
2000
-06
2000
-10
2001
-02
2001
-06
2001
-10
2002
-02
2002
-06
2002
-10
2003
-02
2003
-06
2003
-10
2004
-02
2004
-06
2004
-10
2005
-02
2005
-09
0.00
0.05
0.10
0.15
0.20
0.25
0.30
ppm
1994
-09
1995
-01
1995
-05
1995
-09
1996
-04
1996
-09
1997
-01
1997
-05
1997
-09
1998
-01
1998
-05
1998
-10
1999
-02
1999
-06
1999
-10
2000
-02
2000
-06
2000
-10
2001
-02
2001
-06
2001
-10
2002
-02
2002
-06
2002
-10
2003
-02
2003
-06
2003
-10
2004
-02
2004
-06
2004
-10
2005
-02
2005
-09
0
5
10
15
20
ppb
1994
-09
1995
-01
1995
-05
1995
-09
1996
-04
1996
-09
1997
-01
1997
-05
1997
-09
1998
-01
1998
-05
1998
-10
1999
-02
1999
-06
1999
-10
2000
-02
2000
-06
2000
-10
2001
-02
2001
-06
2001
-10
2002
-02
2002
-06
2002
-10
2003
-02
2003
-06
2003
-10
2004
-02
2004
-06
2004
-10
2005
-02
2005
-09
DIN
Salinity
TP
CHLA
Figure 14. Box-and-whisker plots of water quality in WWB-TTI by survey.
-
Alongshore Zone
0
10
20
30
40
50
1993
-09
1994
-01
1994
-05
1994
-09
1995
-01
1995
-05
1995
-09
1996
-01
1996
-05
1996
-09
1997
-01
1997
-05
1997
-09
1998
-01
1998
-05
1998
-10
1999
-02
1999
-06
1999
-10
2000
-02
2000
-06
2000
-10
2001
-03
2001
-07
2001
-11
2002
-03
2002
-07
2002
-11
2003
-03
2003
-07
2003
-11
2004
-03
2004
-07
2004
-11
2005
-03
2005
-10
0.00.20.40.60.81.01.21.41.6
ppm
1993
-09
1994
-01
1994
-05
1994
-09
1995
-01
1995
-05
1995
-09
1996
-01
1996
-05
1996
-09
1997
-01
1997
-05
1997
-09
1998
-01
1998
-05
1998
-10
1999
-02
1999
-06
1999
-10
2000
-02
2000
-06
2000
-10
2001
-03
2001
-07
2001
-11
2002
-03
2002
-07
2002
-11
2003
-03
2003
-07
2003
-11
2004
-03
2004
-07
2004
-11
2005
-03
2005
-10
0.00
0.01
0.02
0.03
0.04
0.05
ppm
1993
-09
1994
-01
1994
-05
1994
-09
1995
-01
1995
-05
1995
-09
1996
-01
1996
-05
1996
-09
1997
-01
1997
-05
1997
-09
1998
-01
1998
-05
1998
-10
1999
-02
1999
-06
1999
-10
2000
-02
2000
-06
2000
-10
2001
-03
2001
-07
2001
-11
2002
-03
2002
-07
2002
-11
2003
-03
2003
-07
2003
-11
2004
-03
2004
-07
2004
-11
2005
-03
2005
-10
0.0
0.5
1.0
1.5
2.0
2.5
3.0
ppb
1993
-09
1994
-01
1994
-05
1994
-09
1995
-01
1995
-05
1995
-09
1996
-01
1996
-05
1996
-09
1997
-01
1997
-05
1997
-09
1998
-01
1998
-05
1998
-10
1999
-02
1999
-06
1999
-10
2000
-02
2000
-06
2000
-10
2001
-03
2001
-07
2001
-11
2002
-03
2002
-07
2002
-11
2003
-03
2003
-07
2003
-11
2004
-03
2004
-07
2004
-11
2005
-03
2005
-10
DIN
Salinity
TP
CHLA
Figure 15. Box-and-whisker plots of water quality in Biscayne Bay by survey.
-
Inshore Zone
0
10
20
30
40
1993
-09
1994
-01
1994
-05
1994
-09
1995
-01
1995
-05
1995
-09
1996
-01
1996
-05
1996
-09
1997
-01
1997
-05
1997
-09
1998
-01
1998
-05
1998
-10
1999
-02
1999
-06
1999
-10
2000
-02
2000
-06
2000
-10
2001
-03
2001
-07
2001
-11
2002
-03
2002
-07
2002
-11
2003
-03
2003
-07
2003
-11
2004
-03
2004
-07
2004
-11
2005
-03
2005
-10
0.0
0.2
0.4
0.6
0.8
ppm
1993
-09
1994
-01
1994
-05
1994
-09
1995
-01
1995
-05
1995
-09
1996
-01
1996
-05
1996
-09
1997
-01
1997
-05
1997
-09
1998
-01
1998
-05
1998
-10
1999
-02
1999
-06
1999
-10
2000
-02
2000
-06
2000
-10
2001
-03
2001
-07
2001
-11
2002
-03
2002
-07
2002
-11
2003
-03
2003
-07
2003
-11
2004
-03
2004
-07
2004
-11
2005
-03
2005
-10
0.00
0.01
0.02
0.03
0.04
0.05
0.06
ppm
1993
-09
1994
-01
1994
-05
1994
-09
1995
-01
1995
-05
1995
-09
1996
-01
1996
-05
1996
-09
1997
-01
1997
-05
1997
-09
1998
-01
1998
-05
1998
-10
1999
-02
1999
-06
1999
-10
2000
-02
2000
-06
2000
-10
2001
-03
2001
-07
2001
-11
2002
-03
2002
-07
2002
-11
2003
-03
2003
-07
2003
-11
2004
-03
2004
-07
2004
-11
2005
-03
2005
-10
0.01.02.03.04.05.06.07.0
ppb
1993
-09
1994
-01
1994
-05
1994
-09
1995
-01
1995
-05
1995
-09
1996
-01
1996
-05
1996
-09
1997
-01
1997
-05
1997
-09
1998
-01
1998
-05
1998
-10
1999
-02
1999
-06
1999
-10
2000
-02
2000
-06
2000
-10
2001
-03
2001
-07
2001
-11
2002
-03
2002
-07
2002
-11
2003
-03
2003
-07
2003
-11
2004
-03
2004
-07
2004
-11
2005
-03
2005
-10
DIN
Salinity
TP
CHLA
Figure 16. Box-and-whisker plots of water quality in Biscayne Bay by survey.
-
Main Bay Zone
0
10
20
30
40
1993
-09
1994
-01
1994
-05
1994
-09
1995
-01
1995
-05
1995
-09
1996
-01
1996
-05
1996
-09
1997
-01
1997
-05
1997
-09
1998
-01
1998
-05
1998
-10
1999
-02
1999
-06
1999
-10
2000
-02
2000
-06
2000
-10
2001
-03
2001
-07
2001
-11
2002
-03
2002
-07
2002
-11
2003
-03
2003
-07
2003
-11
2004
-03
2004
-07
2004
-11
2005
-03
2005
-10
0.0
0.1
0.2
0.3
0.4
0.5
ppm
1993
-09
1994
-01
1994
-05
1994
-09
1995
-01
1995
-05
1995
-09
1996
-01
1996
-05
1996
-09
1997
-01
1997
-05
1997
-09
1998
-01
1998
-05
1998
-10
1999
-02
1999
-06
1999
-10
2000
-02
2000
-06
2000
-10
2001
-03
2001
-07
2001
-11
2002
-03
2002
-07
2002
-11
2003
-03
2003
-07
2003
-11
2004
-03
2004
-07
2004
-11
2005
-03
2005
-10
0.00
0.01
0.02
0.03
0.04
ppm
1993
-09
1994
-01
1994
-05
1994
-09
1995
-01
1995
-05
1995
-09
1996
-01
1996
-05
1996
-09
1997
-01
1997
-05
1997
-09
1998
-01
1998
-05
1998
-10
1999
-02
1999
-06
1999
-10
2000
-02
2000
-06
2000
-10
2001
-03
2001
-07
2001
-11
2002
-03
2002
-07
2002
-11
2003
-03
2003
-07
2003
-11
2004
-03
2004
-07
2004
-11
2005
-03
2005
-10
0.0
1.0
2.0
3.0
4.0
ppb
1993
-09
1994
-01
1994
-05
1994
-09
1995
-01
1995
-05
1995
-09
1996
-01
1996
-05
1996
-09
1997
-01
1997
-05
1997
-09
1998
-01
1998
-05
1998
-10
1999
-02
1999
-06
1999
-10
2000
-02
2000
-06
2000
-10
2001
-03
2001
-07
2001
-11
2002
-03
2002
-07
2002
-11
2003
-03
2003
-07
2003
-11
2004
-03
2004
-07
2004
-11
2005
-03
2005
-10
DIN
Salinity
TP
CHLA
Figure 17. Box-and-whisker plots of water quality in Biscayne Bay by survey.
-
South Card Sound Zone
0
10
20
30
40
1993
-10
1994
-02
1994
-06
1994
-10
1995
-02
1995
-06
1995
-10
1996
-02
1996
-06
1996
-10
1997
-02
1997
-06
1997
-10
1998
-02
1998
-06
1998
-11
1999
-03
1999
-07
1999
-11
2000
-03
2000
-07
2000
-11
2001
-04
2001
-08
2001
-12
2002
-04
2002
-08
2002
-12
2003
-04
2003
-08
2003
-12
2004
-04
2004
-08
2004
-12
2005
-07
2005
-11
0.00
0.05
0.10
0.15
0.20
0.25
ppm
1993
-10
1994
-02
1994
-06
1994
-10
1995
-02
1995
-06
1995
-10
1996
-02
1996
-06
1996
-10
1997
-02
1997
-06
1997
-10
1998
-02
1998
-06
1998
-11
1999
-03
1999
-07
1999
-11
2000
-03
2000
-07
2000
-11
2001
-04
2001
-08
2001
-12
2002
-04
2002
-08
2002
-12
2003
-04
2003
-08
2003
-12
2004
-04
2004
-08
2004
-12
2005
-07
2005
-11
0.00
0.01
0.02
0.03
ppm
1993
-10
1994
-02
1994
-06
1994
-10
1995
-02
1995
-06
1995
-10
1996
-02
1996
-06
1996
-10
1997
-02
1997
-06
1997
-10
1998
-02
1998
-06
1998
-11
1999
-03
1999
-07
1999
-11
2000
-03
2000
-07
2000
-11
2001
-04
2001
-08
2001
-12
2002
-04
2002
-08
2002
-12
2003
-04
2003
-08
2003
-12
2004
-04
2004
-08
2004
-12
2005
-07
2005
-11
0.00.51.01.52.02.53.03.5
ppb
1993
-10
1994
-02
1994
-06
1994
-10
1995
-02
1995
-06
1995
-10
1996
-02
1996
-06
1996
-10
1997
-02
1997
-06
1997
-10
1998
-02
1998
-06
1998
-11
1999
-03
1999
-07
1999
-11
2000
-03
2000
-07
2000
-11
2001
-04
2001
-08
2001
-12
2002
-04
2002
-08
2002
-12
2003
-04
2003
-08
2003
-12
2004
-04
2004
-08
2004
-12
2005
-07
2005
-11
DIN
Salinity
TP
CHLA
Figure 18. Box-and-whisker plots of water quality in Biscayne Bay by survey.
-
North Bay Zone
05
10152025303540
1996
-06
1996
-08
1996
-10
1996
-12
1997
-02
1997
-04
1997
-06
1997
-08
1997
-10
1997
-12
1998
-02
1998
-04
1998
-06
1998
-08
1998
-11
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-04
2001
-06
2001
-08
2001
-10
2001
-12
2002
-02
2002
-04
2002
-06
2002
-08
2002
-10
2002
-12
2003
-02
2003
-04
2003
-06
2003
-08
2003
-10
2003
-12
2004
-02
2004
-04
2004
-06
2004
-08
2004
-10
2004
-12
2005
-02
2005
-07
2005
-09
2005
-11
0.0
0.1
0.2
0.3
0.4
ppm
1996
-06
1996
-08
1996
-10
1996
-12
1997
-02
1997
-04
1997
-06
1997
-08
1997
-10
1997
-12
1998
-02
1998
-04
1998
-06
1998
-08
1998
-11
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-04
2001
-06
2001
-08
2001
-10
2001
-12
2002
-02
2002
-04
2002
-06
2002
-08
2002
-10
2002
-12
2003
-02
2003
-04
2003
-06
2003
-08
2003
-10
2003
-12
2004
-02
2004
-04
2004
-06
2004
-08
2004
-10
2004
-12
2005
-02
2005
-07
2005
-09
2005
-11
0.00
0.01
0.02
0.03
0.04
0.05
0.06
ppm
1996
-06
1996
-08
1996
-10
1996
-12
1997
-02
1997
-04
1997
-06
1997
-08
1997
-10
1997
-12
1998
-02
1998
-04
1998
-06
1998
-08
1998
-11
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-04
2001
-06
2001
-08
2001
-10
2001
-12
2002
-02
2002
-04
2002
-06
2002
-08
2002
-10
2002
-12
2003
-02
2003
-04
2003
-06
2003
-08
2003
-10
2003
-12
2004
-02
2004
-04
2004
-06
2004
-08
2004
-10
2004
-12
2005
-02
2005
-07
2005
-09
2005
-11
0.0
2.0
4.0
6.0
8.0
10.0
ppb
1996
-06
1996
-08
1996
-10
1996
-12
1997
-02
1997
-04
1997
-06
1997
-08
1997
-10
1997
-12
1998
-02
1998
-04
1998
-06
1998
-08
1998
-11
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-04
2001
-06
2001
-08
2001
-10
2001
-12
2002
-02
2002
-04
2002
-06
2002
-08
2002
-10
2002
-12
2003
-02
2003
-04
2003
-06
2003
-08
2003
-10
2003
-12
2004
-02
2004
-04
2004
-06
2004
-08
2004
-10
2004
-12
2005
-02
2005
-07
2005
-09
2005
-11
DIN
Salinity
TP
CHLA
Figure 19. Box-and-whisker plots of water quality in Biscayne Bay by survey.
-
Shelf Zone
05
10152025303540
1995
-05
1995
-08
1995
-12
1996
-03
1996
-07
1996
-10
1997
-02
1997
-05
1997
-07
1997
-10
1998
-01
1998
-04
1998
-07
1998
-10
1999
-01
1999
-05
1999
-07
1999
-11
2000
-01
2000
-04
2000
-07
2000
-10
2001
-01
2001
-05
2001
-07
2001
-11
2002
-01
2002
-04
2002
-08
2002
-10
2003
-01
2003
-04
2003
-07
2003
-08
2003
-10
2004
-01
2004
-04
2004
-07
2004
-10
2005
-01
2005
-07
2005
-10
0.00
0.02
0.04
0.06
0.08
ppm
1995
-05
1995
-08
1995
-12
1996
-03
1996
-07
1996
-10
1997
-02
1997
-05
1997
-07
1997
-10
1998
-01
1998
-04
1998
-07
1998
-10
1999
-01
1999
-05
1999
-07
1999
-11
2000
-01
2000
-04
2000
-07
2000
-10
2001
-01
2001
-05
2001
-07
2001
-11
2002
-01
2002
-04
2002
-08
2002
-10
2003
-01
2003
-04
2003
-07
2003
-08
2003
-10
2004
-01
2004
-04
2004
-07
2004
-10
2005
-01
2005
-07
2005
-10
0.00
0.01
0.02
0.03
0.04
ppm
1995
-05
1995
-08
1995
-12
1996
-03
1996
-07
1996
-10
1997
-02
1997
-05
1997
-07
1997
-10
1998
-01
1998
-04
1998
-07
1998
-10
1999
-01
1999
-05
1999
-07
1999
-11
2000
-01
2000
-04
2000
-07
2000
-10
2001
-01
2001
-05
2001
-07
2001
-11
2002
-01
2002
-04
2002
-08
2002
-10
2003
-01
2003
-04
2003
-07
2003
-08
2003
-10
2004
-01
2004
-04
2004
-07
2004
-10
2005
-01
2005
-07
2005
-10
0.0
2.0
4.0
6.0
8.0
10.0
ppb
1995
-05
1995
-08
1995
-12
1996
-03
1996
-07
1996
-10
1997
-02
1997
-05
1997
-07
1997
-10
1998
-01
1998
-04
1998
-07
1998
-10
1999
-01
1999
-05
1999
-07
1999
-11
2000
-01
2000
-04
2000
-07
2000
-10
2001
-01
2001
-05
2001
-07
2001
-11
2002
-01
2002
-04
2002
-08
2002
-10
2003
-01
2003
-04
2003
-07
2003
-08
2003
-10
2004
-01
2004
-04
2004
-07
2004
-10
2005
-01
2005
-07
2005
-10
DIN
Salinity
TP
CHLA
Figure 20. Box-and-whisker plots of water quality in SW Florida Shelf by survey.
-
Shark Zone
0
10
20
30
40
1995
-05
1995
-08
1995
-12
1996
-03
1996
-07
1996
-10
1997
-02
1997
-05
1997
-07
1997
-10
1998
-01
1998
-04
1998
-07
1998
-10
1999
-01
1999
-05
1999
-07
1999
-11
2000
-01
2000
-04
2000
-07
2000
-10
2001
-01
2001
-05
2001
-07
2001
-11
2002
-01
2002
-04
2002
-08
2002
-10
2003
-01
2003
-04
2003
-08
2003
-10
2004
-01
2004
-04
2004
-07
2004
-10
2005
-01
2005
-07
2005
-10
0.00
0.02
0.04
0.06
0.08
0.10
0.12
ppm
1995
-05
1995
-08
1995
-12
1996
-03
1996
-07
1996
-10
1997
-02
1997
-05
1997
-07
1997
-10
1998
-01
1998
-04
1998
-07
1998
-10
1999
-01
1999
-05
1999
-07
1999
-11
2000
-01
2000
-04
2000
-07
2000
-10
2001
-01
2001
-05
2001
-07
2001
-11
2002
-01
2002
-04
2002
-08
2002
-10
2003
-01
2003
-04
2003
-08
2003
-10
2004
-01
2004
-04
2004
-07
2004
-10
2005
-01
2005
-07
2005
-10
0.000.010.020.030.040.050.060.070.08
ppm
1995
-05
1995
-08
1995
-12
1996
-03
1996
-07
1996
-10
1997
-02
1997
-05
1997
-07
1997
-10
1998
-01
1998
-04
1998
-07
1998
-10
1999
-01
1999
-05
1999
-07
1999
-11
2000
-01
2000
-04
2000
-07
2000
-10
2001
-01
2001
-05
2001
-07
2001
-11
2002
-01
2002
-04
2002
-08
2002
-10
2003
-01
2003
-04
2003
-08
2003
-10
2004
-01
2004
-04
2004
-07
2004
-10
2005
-01
2005
-07
2005
-10
0.0
2.0
4.0
6.0
8.0
10.0
ppb
1995
-05
1995
-08
1995
-12
1996
-03
1996
-07
1996
-10
1997
-02
1997
-05
1997
-07
1997
-10
1998
-01
1998
-04
1998
-07
1998
-10
1999
-01
1999
-05
1999
-07
1999
-11
2000
-01
2000
-04
2000
-07
2000
-10
2001
-01
2001
-05
2001
-07
2001
-11
2002
-01
2002
-04
2002
-08
2002
-10
2003
-01
2003
-04
2003
-08
2003
-10
2004
-01
2004
-04
2004
-07
2004
-10
2005
-01
2005
-07
2005
-10
DIN
Salinity
TP
CHLA
Figure 21. Box-and-whisker plots of water quality in SW Florida Shelf by survey.
-
Shoal Zone
05
10152025303540
1995
-05
1995
-08
1995
-12
1996
-03
1996
-07
1996
-10
1997
-02
1997
-05
1997
-07
1997
-10
1998
-01
1998
-04
1998
-07
1998
-10
1999
-01
1999
-05
1999
-07
1999
-11
2000
-01
2000
-04
2000
-07
2000
-10
2001
-01
2001
-05
2001
-07
2001
-11
2002
-01
2002
-04
2002
-08
2002
-10
2003
-01
2003
-04
2003
-07
2003
-08
2003
-10
2004
-01
2004
-04
2004
-05
2004
-07
2004
-10
2005
-01
2005
-07
2005
-10
0.00
0.01
0.02
0.03
0.04
0.05
0.06
ppm
1995
-05
1995
-08
1995
-12
1996
-03
1996
-07
1996
-10
1997
-02
1997
-05
1997
-07
1997
-10
1998
-01
1998
-04
1998
-07
1998
-10
1999
-01
1999
-05
1999
-07
1999
-11
2000
-01
2000
-04
2000
-07
2000
-10
2001
-01
2001
-05
2001
-07
2001
-11
2002
-01
2002
-04
2002
-08
2002
-10
2003
-01
2003
-04
2003
-07
2003
-08
2003
-10
2004
-01
2004
-04
2004
-05
2004
-07
2004
-10
2005
-01
2005
-07
2005
-10
0.00
0.01
0.02
0.03
0.04
ppm
1995
-05
1995
-08
1995
-12
1996
-03
1996
-07
1996
-10
1997
-02
1997
-05
1997
-07
1997
-10
1998
-01
1998
-04
1998
-07
1998
-10
1999
-01
1999
-05
1999
-07
1999
-11
2000
-01
2000
-04
2000
-07
2000
-10
2001
-01
2001
-05
2001
-07
2001
-11
2002
-01
2002
-04
2002
-08
2002
-10
2003
-01
2003
-04
2003
-07
2003
-08
2003
-10
2004
-01
2004
-04
2004
-05
2004
-07
2004
-10
2005
-01
2005
-07
2005
-10
0.01.02.03.04.05.06.07.0
ppb
1995
-05
1995
-08
1995
-12
1996
-03
1996
-07
1996
-10
1997
-02
1997
-05
1997
-07
1997
-10
1998
-01
1998
-04
1998
-07
1998
-10
1999
-01
1999
-05
1999
-07
1999
-11
2000
-01
2000
-04
2000
-07
2000
-10
2001
-01
2001
-05
2001
-07
2001
-11
2002
-01
2002
-04
2002
-08
2002
-10
2003
-01
2003
-04
2003
-07
2003
-08
2003
-10
2004
-01
2004
-04
2004
-05
2004
-07
2004
-10
2005
-01
2005
-07
2005
-10
DIN
Salinity
TP
CHLA
Figure 22. Box-and-whisker plots of water quality in SW Florida Shelf by survey.
-
Marco Zone
0
10
20
30
40
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
0.00
0.05
0.10
0.15
0.20
ppm
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
0.000.020.040.060.080.100.120.14
ppm
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
0
5
10
15
20
ppb
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
DIN
Salinity
TP
CHLA
Figure 23. Box-and-whisker plots of water quality in RB-PIS by survey.
-
Rookery Bay Zone
0
10
20
30
40
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
0.00
0.05
0.10
0.15
0.20
0.25
0.30
ppm
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
0.00
0.02
0.04
0.06
0.08
0.10
0.12
ppm
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
0
5
10
15
20
25
30
ppb
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
DIN
Salinity
TP
CHLA
Figure 24. Box-and-whisker plots of water quality in RB-PIS by survey.
-
Naples Zone
0
10
20
30
40
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
0.00
0.05
0.10
0.15
0.20
0.25
ppm
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
0.00
0.02
0.04
0.06
0.08
0.10
0.12
ppm
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
02468
10121416
ppb
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
DIN
Salinity
TP
CHLA
Figure 25. Box-and-whisker plots of water quality in RB-PIS by survey.
-
San Carlos Bay Zone
05
10152025303540
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
0.00.10.20.30.40.50.60.7
ppm
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
0.00
0.04
0.08
0.12
0.16
ppm
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
0
5
10
15
20
25
30
ppb
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
DIN
Salinity
TP
CHLA
Figure 26. Box-and-whisker plots of water quality in RB-PIS by survey.
-
Estero Bay Zone
05
10152025303540
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
0.00
0.05
0.10
0.15
0.20
ppm
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
0.00
0.04
0.08
0.12
0.16
ppm
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
0
5
10
15
20
25
ppb
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
DIN
Salinity
TP
CHLA
Figure 27. Box-and-whisker plots of water quality in RB-PIS by survey.
-
Pine Island Sound Zone
0
10
20
30
40
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
0.00
0.05
0.10
0.15
0.20
ppm
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
0.00
0.04
0.08
0.12
0.16
ppm
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08
2005
-10
2005
-12
0
5
10
15
20
25
ppb
1999
-01
1999
-03
1999
-05
1999
-07
1999
-09
1999
-11
2000
-01
2000
-03
2000
-05
2000
-07
2000
-09
2000
-11
2001
-01
2001
-03
2001
-05
2001
-07
2001
-09
2001
-11
2002
-01
2002
-03
2002
-05
2002
-07
2002
-09
2002
-11
2003
-01
2003
-03
2003
-05
2003
-07
2003
-09
2003
-11
2004
-01
2004
-03
2004
-05
2004
-07
2004
-09
2004
-11
2005
-01
2005
-03
2005
-08