IDEAS: an Integrated Dynamic Environmental

Assessment System

John Dymond,Tim Davie, Andrew Fenemor, Anthony Cole, Oscar Montes de Oca Munguia

(Landcare Research)

Ben Knight, Chris Batstone (Cawthron Institute)

• Integrated

• Dynamic

• Environmental

• Assessment

• System

IDEAS

Required attributes

• Triple bottom-line approach

• Collaborative learning process

• Assessment of future catchment scenarios

• Cumulative effects

• Dynamic

Triple bottom-line approach

Economy Society

Environment

spatial

sector

activity

water

carbonnitrogen

sediment

pollutants

spatial mass-energy flows

spatial demographics

settlements

land ownership

Dynamic assessment of catchment scenarios

Present land and ocean use

Future land and ocean use

Mass/energyflows

Economicactivity

Social demography

Generate futurescenarios

Economic/ environmental input/output tables

3D

visualisation

G.I.S

Land ownership

Physicalmodels

Satellite imaging

Ecosystem service coefficientsEconomic coefficients

Biophysical models (spatial) Economic model (aspatial)

(Catchment Futures Model)

Agent driven model of land use and land management

(Evoland)

Rapid reporting on environment and economy

Reporting on economy and environment

Reporting on environment and economy

Policy tools

Model linkages in IDEAS

Present land-based economic sectors from satellite

Natural – Present – Intensive land use scenarios

Catchment performance of present land use compared withhistoric

Socio-economic performance

0

200000

400000

600000

800000

1000000

1200000

1400000

Agricultural job numbers(FTE*1000)

Gross output ($100/yr) - landand marine

Marine job numbers(FTE*1000)

Gross margin ($100/yr) - landand marine

historic

present

bmp_present

Environmental performance

0.0

100000.0

200000.0

300000.0

400000.0

500000.0

600000.0

Low flow - max.water take -(l/minute)

Nitrogen load inriver (kg/yr)

Sediment yield(tonnes/yr)

Area of naturalecosystems (ha)

Carbon sink rate(t/yr) - land and

marine

Net nitrogen yield tomarine (kg/yr)

historic

present

bmp_present

Catchment performance of intensive land use compared with present and historic

Environmental performance

-2000000.0

-1000000.0

0.0

1000000.0

2000000.0

3000000.0

4000000.0

5000000.0

Low flow - max.water take -(l/minute)

Nitrogen load inriver (kg/yr)

Sediment yield(tonnes/yr)

Area of naturalecosystems (ha)

Carbon sink rate(t/yr) - land and

marine

Net nitrogen yield tomarine (kg/yr)

historic

present

intensive

Socio_economic performance

0

500000

1000000

1500000

2000000

2500000

3000000

Agricultural job numbers(FTE*1000)

Gross output ($100/yr) -land and marine

Marine job numbers(FTE*1000)

Gross margin ($100/yr) -land and marine

historic

present

intensive

IDEAS: an Integrated Dynamic Environmental

Assessment System

John Dymond,Tim Davie, Andrew Fenemor, Anthony Cole, Oscar Montes de Oca Munguia

(Landcare Research)

Ben Knight, Chris Batstone (Cawthron Institute)