Additional file 11: Table S2Evidence strength of studies across different countries arranged by continent

Animal behaviour / Atmosphere / Biodiversity / Employment / Farming / Human attitude / Light / Litter / Snow / Soil / Vegetation / Water / Total
Africa
Cameroon / 2 / 2
Ethiopia / 4 / 4
Tanzania / 4 / 4 / 8
Asia
China / 3 / 63 / 9 / 123 / 56 / 254
Japan / 3 / 3 / 6
Nepal / 9 / 9
Europe
Austria / 3 / 22 / 14 / 8 / 47
Bulgaria / 14 / 7 / 7 / 28
Croatia / 5 / 5
Czech Republic / 55 / 5 / 41 / 101
France / 32 / 5 / 5 / 5 / 25 / 72
Germany / 8 / 5 / 8 / 21
Greece / 13 / 8 / 21
Hungary / 6 / 3 / 9
Italy / 6 / 51 / 5 / 4 / 3 / 22 / 39 / 130
Poland / 7 / 6 / 7 / 20
Romania / 3 / 3
Slovakia / 25 / 19 / 44
Slovenia / 5 / 5 / 10
Spain / 34 / 2 / 5 / 75 / 40 / 3 / 159
Sweden / 5 / 5
Switzerland / 7 / 44 / 19 / 40 / 110
UK / 54 / 9 / 5 / 12 / 80
Multiple Countries / 22 / 2 / 11 / 1 / 36
Europe/Asia
Russia / 4 / 4 / 8
n/a
n/a / 7 / 7
North America
Honduras / 7 / 7 / 14
Mexico / 4 / 4
Puerto Rico / 10 / 5 / 2 / 17
USA / 3 / 9 / 8 / 3 / 8 / 31
South America
Argentina / 3 / 3
Bolivia / 5 / 5
Colombia / 4 / 4
Ecuador / 5 / 4 / 10 / 19
Venezuela / 7 / 3 / 10
Total / 13 / 19 / 495 / 5 / 4 / 17 / 18 / 31 / 2 / 355 / 344 / 3 / 1306

Numbers represent total critical appraisal (CA) score (see Methods for details). Cells outlined in red are those with total CA scores >100. Cell shading represents evidence strength (CA score) relative to the entire evidence base (i.e. column/row totals for ‘Total’).