Table 3 Categories of data to be included in the data synthesis

Nature of evidence

• Sources of evidence (journal types and subjects, grey literature)

• Types of evidence (study design, data sources, scale of analysis)

• Producers of evidence (location of primary authors/institutions)

Representativeness and coverage of evidence

• Geographic coverage (countries, regions)

• Ecological coverage (biomes, habitats)

• Components/attributes of biodiversity studied (species, group of species)

• Types of alternative livelihood projects (i.e. alternative resource, alterative occupation or alternative method)

• Measure of effectiveness used

• Nature of impacts reported (positive, negative, neutral) and relative proportions of each type

Measure of effectiveness

• Scale of impacts and numbers of studies that address scale

• Nature of any secondary impacts (including social & economic) & evidence of any trade offs or synergies.

• Sustainability of impacts - no’s of studies that consider sustainability issues

Policy, institutions and governance

• Attention paid to underlying policy, institutional and governance issues