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Assessing the health of the world’s ocean. Embargoed. An Ocean Health Index to assess global marine social-ecological systems. Halpern et al. in press, Nature. Ocean Health Index: A healthy ocean sustainably delivers a range of benefits to people, now and in the future. FOOD PROVISION.

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assessing the health of the world s ocean

Assessing the health of the world’s ocean

Embargoed

An Ocean Health Index to assess global marine social-ecological systems

Halpern et al. in press, Nature

slide2
Ocean Health Index:
  • A healthy ocean sustainably delivers a range of benefits to people, now and in the future
slide3
FOOD PROVISION

ARTISANAL FISHING OPPORTUNITIES

NATURAL PRODUCTS

CARBON STORAGE

COASTAL PROTECTION

TOURISM & RECREATION

LIVELIHOODS & ECONOMIES

SENSE OF PLACE

Clean waters

BIODIVERSITY

slide4
FOOD PROVISION

ARTISANAL FISHING OPPORTUNITIES

NATURAL PRODUCTS

Current

Status

CARBON STORAGE

PRESENT

REFERENCE

+

COASTAL PROTECTION

TOURISM & RECREATION

Likely

Future

LIVELIHOODS & ECONOMIES

Trend

SENSE OF PLACE

Pressures

Clean waters

Resilience

BIODIVERSITY

functional relationships now vs the ideal
Functional relationships:now vs. the ideal

Maximum sustainable yield

multispecies MSY

Food provision: fisheries

Worm et al. 2009

Science

Current

time series now vs then
Time series:now vs. then

Carbon storage

Change in mangrove areal extent

time series now vs then1
Time series:now vs. then

Carbon storage

Change in mangrove areal extent

spatial comparisons now vs there
Spatial comparisons:now vs. there

Food provision: mariculture

Data from FAO

spatial comparisons now vs there1
Spatial comparisons:now vs. there

Livelihoods: wages

Worse Better

Marine wages

established state now vs a precedent
Established state:now vs. a precedent

Sense of place: lasting special places

10% by 2020

first global assessment
First Global Assessment
  • 171 countries/territories
  • All waters within EEZs
  • >100 data layers
some key messages results
Some key messages/results
  • Index provides a portfolio perspective
  • Sustainability fundamental to, and operationalized in, the Index
  • Human benefits central to Index
  • Different perspectives incorporated
portfolio perspective many ways to get a score
AO = Artisanal Opportunity

FIS = Fisheries

MAR = Mariculture

NP = Natural Products

CS = Carbon Storage

CP = Coastal Protection

TR = Tourism & Recreation

LIV = Livelihoods

ECO = Economies

ICO = Iconid Species

LSP = Lasting Special Places

HAB = Habitats

SPP = Species

CW = Clean Waters

FP

LE

SP

BD

Portfolio Perspective: many ways to get a score

*

portfolio perspective many ways to get a score1
AO = Artisanal Opportunity

FIS = Fisheries

MAR = Mariculture

NP = Natural Products

CS = Carbon Storage

CP = Coastal Protection

TR = Tourism & Recreation

LIV = Livelihoods

ECO = Economies

ICO = Iconid Species

LSP = Lasting Special Places

HAB = Habitats

SPP = Species

CW = Clean Waters

FP

LE

SP

BD

Portfolio Perspective: many ways to get a score
portfolio perspective many ways to get a score2
AO = Artisanal Opportunity

FIS = Fisheries

MAR = Mariculture

NP = Natural Products

CS = Carbon Storage

CP = Coastal Protection

TR = Tourism & Recreation

LIV = Livelihoods

ECO = Economies

ICO = Iconid Species

LSP = Lasting Special Places

HAB = Habitats

SPP = Species

CW = Clean Waters

FP

LE

SP

BD

Portfolio Perspective: many ways to get a score
sustainability future state
Artisanal Opportunity

Food Provision

Natural Products

Carbon Storage

Coastal Protection

Tourism & Recreation

Livelihoods & Economies

Sense of Place

Biodiversity

Clean Waters

Sustainability: future state
accounting for different perspectives weighting goals by value sets
Accounting for different perspectives: weighting goals by value sets
  • People care about different aspects of the ocean
  • These differences are really important to understand and capture if management is to be effective
slide19
All goals are presumed equally important

Extractive goals are presumed more important

summary
Summary
  • Transparent, quantitative, ‘divable’, scalable, flexible, responsive, synthetic, target-driven, best available information
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