Open Access

Table 1


Name reference Taxonomic Species Expression of result Aggregation function Input variable or Scale
group (species) number component

MASC Not precised No 4 qualitative classes Decision tree implemented in DEXi Crop diversity Cropping system
(Craheix et al., software (Bohanec et al., 2008) Non-sprayed area
2012) Treatment frequency

DEXiPM Flying natural Not 5 qualitative classes Decision tree implemented in DEXi E.g. deep tillage, Cropping system and
(Pelzer et al., enemies explicit software (Bohanec et al., 2008) Treatment frequency neighboring habitat
2012) Polllinators indexa,
Soil natural Habitat management for
enemies soil natural ennemies
of semi-
natural area

Sattler et al. Bird 1 Between 0 (low) and 1 Decision tree with fuzzy subsets E.g. cropping practices, Field
(2010) Amphibian 1 Herbicides treatment
Mammal 1 frequency indexa,
Hoverfly Not Fertilization (kg N/ha)
Field flora Not

Tichit et al. Birds 2 Occurrence of bird Logistic regression function 11 management and 11 Field
(2010) (yes/no) habitat variables

IBEA None None 5 qualitative classes Decision tree implemented in E.g. mineral fertilization Farm
Anonymous DEXis software (Bohanec et al., 2008) (kg N/ha)
(2011) Treatment frequency
Area with tillage

Sum of ratio actual pesticide rate/recommended rate. Here the index is calculated separately for fungicides, herbicides, insecticides.

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