20 year plan state of the bay report
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City of Naples City of Naples
Natural Resources
Michael R. Bauer, Ph.D. Natural Resources Manager
City of NaplesNatural Resources Division
Management ● Science ● Restoration● Outreach
STATE OF THE BAY REPORT
Naples Bay Watershed
10 square miles 120 square miles
Golden Gate Canal Diversions
200 mgd
Henderson Creek
ASR
ASR
STORMWATER RUNOFF
“The Number One Pollutant in Florida is Stormwater.”
Florida Department of Environmental Protection
Chlorophyll a (Nutrients)
Chlorophyll a 2006 Naples Bay
0
5
10
15
20
25
MAR 06 MAY 06 JULY 06 SEPT 06 NOV 06
Re
su
lt (
ug
/l)GORDPK
NBAY13
NBAY29
NBAYBV
NBAYCC
NBAYHC
NBAYLLO
NBAYNL
Annual Mean
Chlorophyll a 2005- 2006Naples Bay
0
2
4
6
8
10
12
14
16
18
20
FEB 05 APR 05 JUNE05
AUG05
OCT 05 DEC 05 JUNE06
AUG06
OCT 06 DEC 06
Res
ult
(u
g/l)
GORDJOE
GORDPK
GORDPT
NBAYKF
NBAYTC
GPASS6
NBAY21
NBAY33
NBAYWS
AnnualMean
Annual Mean < 11ug/l
Naples Bay Annual Mean= 4.7 ug/l
Start of
Rainy Season
Wet
Month
Copper 2006-2008
0
2
4
6
8
10
12
MAY06
JULY06
SEPT06
NOV06
JAN07
MAR07
MAY07
JULY07
SEPT07
NOV07
JAN08
MAR08
MAY08
JULY08
SEPT08
NOV08
Res
ult
(u
g/l)
GORDPK NBAY13
NBAY29 NBAYCC
NBAYHC NBAYLLO
NBAYNL State Standard
NBAYBV
Extension Toxicology Network
• Copper is very toxic to fish.
• Small amounts can have damaging effects
• May cause significant decreases in populations of aquatic invertebrates, plants and fish
Comprised of Cornell University, Michigan State University, Oregon State University, and UC Davis
Copper
1. Landscape City Certification Best Management Practices
(BMPs)• For landscape professionals• Learn BMPs for fertilization, pesticides,
irrigation, plant selection• Environmental component• Become “City-Certified”
New Landscape/Fertilizer Ordinance
Freedom Park
Gordon River Greenway Park
Conservancy
Riverside Filter Marsh
X
X
X
X
Historic Habitat Comparison
Historic Habitat Comparison
Pre Development (1950’s)Seagrass: approx. 68 acres (27 ha)
Oyster beds: approx. 51 acres (21 ha)
Pre Development (1950’s)Seagrass: approx. 68 acres (27 ha)
Oyster beds: approx. 51 acres (21 ha)
Post Development (2005)Seagrass: approx. 4 acres (2 ha)
Seagrass only in lower region
Oyster beds: approx. 12 acres (5 ha)
Post Development (2005)Seagrass: approx. 4 acres (2 ha)
Seagrass only in lower region
Oyster beds: approx. 12 acres (5 ha)
Riprap and Seawalls
RIPRAP
An Environmentally Friendly Alternative to Seawalls
• Can produce 10 tons of leaves
• Support 4,000 fish and 50,000,000 invertebrates
• Provide food, habitat, and nursery grounds
A single acre of seagrass…
Bathymetric Mapping
WHAT IS A RAIN GARDEN?• A landscaping feature planted with native
perennial plants • Used to manage stormwater runoff from
impervious surfaces • Roofs, sidewalks, and parking lots
Why build a rain garden?
Beautify Your Yard
Conserve Water
Improve the water quality of Naples Bay
How do you build a rain garden?
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