linking coastal watersheds to fish & fisheries felicia coleman florida state university coastal...
Post on 19-Jan-2016
215 Views
Preview:
TRANSCRIPT
Linking Coastal Watersheds to Fish & Fisheries
Felicia ColemanFlorida State University Coastal & Marine Laboratory Photo by Richard Bickel
Gulf of Mexico Zonation
38 % Coastal 22 % Shelf (< 200m)20 % Slope*(200 - 3000m) 20% Deep Sea (>3000 m)
ProductivityEGoM > WGoM
Link
ing
Coas
tal W
ater
shed
s to
Fis
herie
s
*most complex on earthFrom: Gulfbase, www.gulfbase.org
Circulation - The Loop Current
From: The Sustainable Seas
Link
ing
Coas
tal W
ater
shed
s to
Fis
herie
s
Nutrient Input - freshwater discharge
Links terrestrial & marine ecosystems
Groundwater , springs
Link
ing
Coas
tal W
ater
shed
s to
Fis
herie
s
Felicia Coleman
Link
ing
Coas
tal W
ater
shed
s to
Fis
herie
s
Chlorophyll plumes from •Mississippi River
•Apalachicola River
Nutrient Input - freshwater discharge
Nutrient Input
Mississippi - BAD Apalachicola - GOOD
The Dead Zone The Green River Phenomenon
same season, same time as peak spawning for:
•Gag•Red Grouper
Link
ing
Coas
tal W
ater
shed
s to
Fis
herie
s
Habitat Linkages
From: Heck et al. 2008Link
ing
Coas
tal W
ater
shed
s to
Fis
herie
s
Habitat Linkages – life cycle
From: Heppell et al. 2006Link
ing
Coas
tal W
ater
shed
s to
Fis
herie
s
Fishing Sites
Link
ing
Coas
tal W
ater
shed
s to
Fis
herie
s Habitat Linkages – fisheries
Felicia ColemanLink
ing
Coas
tal W
ater
shed
s to
Fis
herie
s
Felicia Coleman
Link
ing
Coas
tal W
ater
shed
s to
Fis
herie
s
-100-80-60-40-20
020406080
100
1998
1999
2000
2001
2002
2003
2004
2005
2006
March Anomalies
% D
epar
ture
fro
m A
vera
ge
Chl a
APA discharge
Felicia Coleman
Chlorophyll based on March SeaWiFS ocean color satellite data(from Dr. Steve Morey et al., FSU COAPS)
Link
ing
Coas
tal W
ater
shed
s to
Fis
herie
s
Summary• The benefits of river flow extend far beyond the
boundaries of the bay
• That river flow delivers nutrients offshore that support a highly productive fisheries
• Those fisheries deliver billions of dollars to coastal communities and those industries that depend upon them
Link
ing
Coas
tal W
ater
shed
s to
Fis
herie
s
top related