coral reef fisheries day 3 restoring ecosystem function
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Coral Reef Fisheries Day 3 restoring ecosystem function. Jim Bohnsack Southeast Fisheries Science Center NOAA Fisheries, Miami, FL. Marine Ecosystem Model. Ecosystem Goods & Services. Human Dimension. Ecosystem Structure & Function. Biotic Dimension. Impacts + Restoration. - PowerPoint PPT PresentationTRANSCRIPT
Coral Reef Fisheries
Day 3 restoring ecosystem function
Jim BohnsackSoutheast Fisheries Science CenterNOAA Fisheries, Miami, FL
Human Dimension
Marine EcosystemModel
Biotic Dimension
Physical Dimension(Geology, Oceanography, Climate)
Ecosystem Structure & Function
Ecosystem Goods & Services
- Impacts+ Restoration
Conservation is a state of harmony between men and land (sea).
Aldo Leopold
Conservation goals change
Coral reef Health is the ability for self renewal
Conservation is:developing the understanding and
creating the conditions for self renewal.
(i.e. Science and Management)
Integrity, stabilityand beauty
Red Snapper Fecundity
9,000,000 eggs 9,000,000 eggs
1 Female
10 Yr
12.5 kg
61 cm long
212 Females
3 - 4 Yr
1.1 kg each
42 cm long
“The concept of marine reserves is simple:
If protected from human interference, nature will
take care of itself ”
Deplete Target Species
Bycatch Mortalityof target and
non-target species
CauseHabitat Damage
Colonization & Growth Abundance Diversity
Spillover Reproduction & Dispersal
Nassau Grouper Landings
0
500
1,000
1,500
2,000
2,500
3,000
3,500
60 62 64 66 68 70 72 74 76 78 80 82 84 86 88
Year
Cub
a M
etri
c T
ons
0
1
2
3
4
Flo
rida
Met
ric
Ton
s
Cuba
Headboats
Shifting Baseline
Resource Protection Levels
3 Multiple Species 2 Single Species Commercial 1 No Regulations
5 Regional Management Recreational 4 Recreational Consumption
10 Seascape / Landscape 9 Aesthetic Uses Aesthic Use 8 Habitat Protection 7 Endangered Species 6 Non-Economic Species
14 Biotic Ethic13 Ecosystem Function Ecosystem Value12 Ecosystem Structue11 Wilderness Value
Endangered Species
1969 – Endangered Species Act2004 – Marine Turtle Protection Act
Habitat
1996 – Essential Fish Habitat Magnuson-Stevens Fishery Conservation Act
HAWK CHANNEL
Nearshore
Inshore Patch
MidchannelOffshore
Patch
Reef Flat
Fore Reef
Deep Reef
TransitionFlorida Bay
HawkChannel
FloridaReef Tract
Cross-Shelf Habitat Classification
Non-Game Species
Development of the Biotic Ethic
1905
1924
1927
19641964
1969
2000
1909
1925
1935
1949
1871
1995
1994
1996
1969
1972
1976
0
2
4
6
8
10
12
14
1860 1880 1900 1920 1940 1960 1980 2000
Year
Co
nc
ep
tua
l Pro
tec
tio
n L
ev
el
Forest Park Srv Leopold NMFS Sanctuary AFS Land Sea
Marine Conservation Ethic
• Frontier Development Ethic
H > E• Romantic Preservation Ethic
H = E
• Utilitarian Conservation Ethic
H E• Ecological Biotic Ethic
E H E H E H E
A conservation ethic requires:
Obligation, Responsibility, Self-sacrifice