marie savina-rolland, roland pitcher, beth fulton, rebecca gorton, ian mcleod, scott condie wealth...
TRANSCRIPT
Marie Savina-Rolland, Roland Pitcher, Beth Fulton, Rebecca Gorton, Ian McLeod, Scott Condie
WEALTH FROM OCEANS
Implementing the end-to-end ecosystem model Atlantis on the Great Barrier Reef.
ICRS conference Cairns| 09/07/20122 |
The Great Barrier ReefLargest coral reef ecosystem
Biodiversity/ Habitats/ Species of interest
National significance
International significance
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The Great Barrier ReefThreats
Land use• Increasing sediment input• High inputs of nutrients• Pesticides
Uses• Commercial marine tourism• Fishing• Ports and shipping• Defence• Recreation ...
Climate change• sea level rise• potential changes in cyclone activity• increase in sea water temperature• increase in ocean acidity
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Atlantis
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Atlantis
System understanding• sensitivity analysis• model complexity
What-if scenarios• river flows• fisheries• protected areas• ...
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Atlantis
Sampling and monitoring strategies
Assessments
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Atlantis
First stage
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The Atlantis GBR108 boxes(9 boundary boxes)
• Bathymetry • Benthic assemblages (Pitcher et al, 2007)• IMCRA 4.0 provincial bioregions
• Up to 6 vertical layers
0510
20
50
100
200
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The Atlantis GBR
from Pitcher et al, 2007
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The Atlantis GBRForcings
• transport 4km SHOC GBR model (CMAR/AIMS)
9 boundary boxes: Tº, S, nutrients, plankton
35 rivers: TSS, NH3, NO3, DON, Tº
Irradiance
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The Atlantis GBR
From the GBR outlook report 2009
Deterministic
N currency
Age structured groups(N and W– reproduction)Biomass pools
Processes:• Consumption• Production• Waste production• Migration and other mvts• Predation• Reproduction• Habitat dependency• Fishing and other mortalities
Modularity
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The Atlantis GBR
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Perspectives
Functional groups New functionalities (coral reefs – depth subscaling) Parameterisation Calibration
CSIRO MARINE AND ATMOSPHERIC RESEARCH
Thank youCMARMarie Savina-Rolland
t +61 7 3833 5961e [email protected]