6/19/2009 Jacksonville University 2
Funded: City Of Jacksonville
Jacksonville Electric Authority
Jacksonville Port Authority
Developed:
Jacksonville Waterways Commission
Research:
Jacksonville University
Duval County Manatee Research Project
6/19/2009 Jacksonville University 3
Classification of Sirenians
Order: Sirenia (manatees & dugongs)Family: Trichechidae (manatees)
Genus species/subspecies:Trichechus manatus - West IndianTrichechus manatus latirostris - FloridaTrichechus manatus manatus - Antillean
Trichechus inunguis – AmazonianTrichechus senegalensis – West African
6/19/2009 Jacksonville University 4
Classification of Sirenians
Order: Sirenia (manatees & dugongs)Family: Dugongidae (dugongs & sea cow)
Genus species:Dugong dugon – (dugong)Hydrodamalis gigas (extinct Steller’s sea cow)
6/19/2009 Jacksonville University 5
Research Project Components
Manatee aerial surveysSubmerged Aquatic Vegetation (SAV)Water quality monitoringMarina surveysVessel traffic studiesPower plant surveysManatee protectionManatee education and awareness
6/19/2009 Jacksonville University 6
Manatee Aerial Surveys
BimonthlyCessna 172 high wing aircraft500 – 1000 ft altitudeICW and SJR flight paths
6/19/2009 Jacksonville University 8
Submerged Aquatic Vegetation (SAV)
FreshwaterTape grass - Vallisenaria americanaHyacinth - Eichornia sp.Algae - Hydrilla sp.
MarineTurtle grass – Thalassia sp.Manatee grass – Syringodium sp.Shoal grass – Haladule sp.
6/19/2009 Jacksonville University 10
Water Quality Monitoring
Weekly at JU dockWater temperature – STC meter / Tid bitsSalinity – STC meter / refractometer
6/19/2009 Jacksonville University 13
Power Plant Surveys
JEA Southside and KennedyMonitored daily between Nov - FebScar patterns recordedOther sites
6/19/2009 Jacksonville University 14
Manatee Protection
Waterways activities/eventsRescues & carcass recovery Other observationsSpecial areas
6/19/2009 Jacksonville University 15
Manatee education and awareness
JU Speakers Bureau
Duval County Manatee Hotline(904) 256-7575
www.ju.edu/academics/research.asp
Summer01
##
#
#
#
##
#
##
#
##
#
#
##
#
#
#
##
##
#
#
###
#
###
#####
#
##
#
##
##
#
###
##
#
#
##
#
#
##
#####
#
# # #
###
#
#
##
###
#
#
#
#
#
#
#
#
#
##
#
#####
##
#
##
#
# #
#
#
##
##
###
######
##
#
##
#
##
#
#
##
#
#
#
#
##
#
##
#
#
#
####
##
#
##
#
#
#
DUVAL
ST. JOHNS
ATLANTICOCEAN
FullerWarrenBridge
BuckmanBridge
NASSAU CO.
CLAY
DUVAL
N
MANATEE SIGHTINGS IN DUVAL COUNTY, FLORIDA(SUMMER, 2001)
Fall01
#
#
##
#
#
####
###
##
#
#
####
#
#
#
#
#
#
#
DUVAL
ST. JOHNS
ATLANTICOCEAN
FullerWarrenBridge
BuckmanBridge
NASSAU CO.
CLAY
DUVAL
N
MANATEE SIGHTINGS IN DUVAL COUNTY, FLORIDA(FALL, 2001)
NOTE: Each dot represents the location of a sighting, not the number of manatees sighted.
Winter01/02
#
#
#
#
DUVAL
ST. JOHNS
ATLANTICOCEAN
FullerWarrenBridge
BuckmanBridge
NASSAU CO.
CLAY
DUVAL
N
MANATEE SIGHTINGS IN DUVAL COUNTY, FLORIDA(WINTER, 2001-2002)
NOTE: Each dot represents the location of a sighting not the number of manatees sighted
Spring02
#
#
###
#
#
#
#
#
#
# #
#
#
#
#####
#
###
# ##
#
#
#
#
#
#
##
#
# #
#
##
#
###
#
#
#
#
#
#
#
#
# #
#
#
#
#
#
#
#
#
#
#
# ##
#
#
##
#
###
##
##
###
#
#
#
#
#
#
##
#
#
###
#
#
#
#
#
#
#
#
##
#
#
#
#
#
#
# #
#
#
#
##
#
### #
##
#
##
#####
###
#
###
#
#
#
##
##
#####
#
####
##
##
##
###
##
#
#
##
#
#
#
#
#
#
#
###
#
#
#
#
## #
#
#
#
#
#
#
#
#
#
#
#
DUVAL
ST. JOHNS
ATLANTICOCEAN
FullerWarrenBridge
BuckmanBridge
NASSAU CO.
CLAY
DUVAL
N
MANATEE SIGHTINGS IN DUVAL COUNTY, FLORIDA(SPRING, 2002)
NOTE: Each dot represents the location of a sighting, not the number of manatees sighted.
Summer02
#
##
##
#
#####
#
#
#
#
####
##
###
#
#
##
#
#
##
#
#
#
#
#
#
#
#
####
##
##
# #
#
##
#
##
##
###
## #
## #
#
#
##
###
#
####
#
#
#
## ##
#
#
##
#
#
#
#
# # #
#
#
#
##
#
#
# #
#
#
#
#
##
#
#
#
#
#
##
#
#
#
##
##
##
#
#
#
#
#
#
#
#
##
##
#
#
##
##
#
##
##
#
#
#
#
##
#
#
#
#
#
####
#
# #
#
###
#
##
#
#
#
#
DUVAL
ST. JOHNS
ATLANTICOCEAN
FullerWarrenBridge
BuckmanBridge
NASSAU CO.
CLAY
DUVAL
N
MANATEE SIGHTINGS IN DUVAL COUNTY, FLORIDA(SUMMER, 2002)
NOTE: Each dot represents the location of a sighting, not the number of manatees sighted.
Duval WC = Duval County Watercraft related manatee deathsDuval TD = Total manatee deaths in Duval CountyD5yr.WC ave. = Five year running average for Duval County Watercraft related manatee deaths
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
Duval WC 2 1 5 6 0 1 1 2 7 4 2 5 4 6 3 9 2 2 2 3 3 2 3 2 4 1 10Duval TD 6 11 11 11 3 7 3 8 16 9 13 12 9 20 13 19 8 5 6 7 10 10 13 9 11 6 13D5yr.WC ave. 3 3 3 2 2 3 3 4 4 4 4 5 5 4 4 4 2 2 3 3 3 2 4
0
2
4
6
8
10
12
14
16
18
20N
um
ber o
f man
ate
e d
eath
s
Average Monthly Salinity at JU Dock
1999
2000
2001
2002
0
5
10
15
20
25
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sal
inity
(ppt
)
1999 2000 2001 2002
Mean monthly salinity recorded at the Jacksonville University dock, Duval Co., FL 1999 - 2002.
Top Related