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PUR LAB METHODOLOGY

OVERALL APPROACH

1

Identification and classification of all services provided

7 categories:
soil, water, biodiversity, climate, livelihood, population, corporate

2

Services quantification

Selection of an indicator to measure the service level
Based on a review of a thousand scientific studies

6

Iterative development and improvement

Reflection upon indicators behaviour
Study of new scientific papers
Consideration of new possible protocols

3

Services economic valuation

Application of valuation methods to each service

5

Continuous measurement of services

Application of tested protocols
Data collection and interpretation

4

Definition of field measurement protocols

Specified to each service
Easy to implement
Universal
Integrated to field operations

Socio-environmental services classification

The PUR Lab identified 7 categories of socio-environmental services. For each category, a list of logic, exhaustive and non redundant sub-services was determined: 49 in total.

 

Community Agroforestry Projects

SOIL

WATER

BIODIVERSITY

CLIMATE

LIVELIHOOD

POPULATION

CORPORATE

Soil enrichment
Landslide and erosion avoided

Better water quality
Cycle regulation
Stock increase

Regulation
Pollinisation
Conservation

Mitigation
Adaptation

Economic development
Activity diversification

Social cohesion
Culture conservation

Supply chain
Brand equity
Human resources

 

Socio-environmentalServices quantification and valuation

2

Quantification of the services

  • Methodology based on a review of a thousand scientific publications
  • Selection of an indicator to quantify the level of service, following SMART criteria

 

Example: “Soil fixation” indicator is the reduction in loss of arable land due to erosion, in kg/ha/year.

SMART criteria

  • Specific: accurately refer to a single service.
  • Measurable: specify thresholds that are measurable at a reasonable cost.
  • Achievable: should not require excessive technical, financial or resource inputs.
  • Relevant: focussed on achieving management objectives.
  • Tangible: defined clearly and free from subjective elements.

3

Economic valuation of the services

  • Application of valuation methods to each service (cost of alternative, cost of damages, etc.)

 

Example: “Soil fixation” service: the avoided loss of arable land can be assessed using its potential yield

Example of erosion measurement results

 

Example of economic valuation

example-economic-valuation-environmental-project

Field measurement protocols

Number4 DEFINITION OF MEASUREMENT PROTOCOLS

According to service: generic protocol applicable in all projects, or specific protocol adapted to context:

  • Development of experimental methods
  • Stratification of the area to perform measures on different profiles

Number5 Application of proof tested protocols

  • Protocol implementation
  • Protocol application over time: regular collection of data on service measured

 

 

field-measurement-protocols-purlab2

Shape and construction of the measurement device for erosion, Peru.