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Table 3 Categories for extracting data from biophysical literature

From: What is the available evidence concerning relative performance of different designs of mixed-species plantings for smallholder and community forestry in the tropics? A systematic map protocol

Type of information

Description

Types of literature

e.g. primary data, meta-analysis, review) (if a review (record date, number of citations)

Source of literature

e.g. Journal name or grey literature or conference proceedings or book; open or fee based access; availability in electronic or hard copy

Year published

1980 - present (limited coverage prior to 1996 in Scopusa)

Location/country/region

where work was done

Objective of the planting

production, ecosystem services, or both

Scale of planting

e.g. plot, trial or operational

• If plot or trial, what is the purpose?

i.e., hypothesis testing, species elimination trials, species complementarities/facilitation

• If Operational

(1) Type of ownership: (secure/insecure, formal or informal tenure, private, public, community, etc.)

(2) Type of plantation: (i.e. mixed species plantation, ecological restoration or landscape plantation)

(3) Method of management or harvesting: (i.e., thinning, pruning or other)

Age of planting

in years or range

Establishment method

e.g. planted, direct seeded, number of species to plant

Key species

e.g. Pinus spp /Eucalyptus spp /Acacia spp /Gmelina spp/other) includes nitrogen fixer, native or exotic

Type of products

e.g. fuel, on-farm timber vs. for sale timber, other

Key factors investigated

e.g. biological or socio-economic factors considered in designing the study or to compare types of designs

No. of species

give number

Outcomes measured

e.g. yield, growth, carbon sequestration, soil nutrient etc.

Type of attributes

e.g. ecological, economic, or social attributes

Provision of ecosystem service

e.g. watershed protection, water yields, wildlife habitat, carbon sequestration, none

  1. aThough Scopus has recorded dated well before 1996, cited references are available on Scopus only from 1996 on [55]