This is a summary of the number of studies per manipulation for each ecosystem type in the SRDB.

Manipulation Type Summaries

Irrigation

M_Type Ecosystem_Type n_studies
Irrigated Forest 28
Irrigated Grassland 22
Irrigated Agriculture 19
Irrigated Shrubland 5
Irrigated Savanna 2
Irrigated Bare 1
Irrigated Plantation 1
Irrigated Urban 1
Irrigated Wetland 1
Irrigated NA 1

Soil Drainage

M_Type Ecosystem_Type n_studies
Soil drainage Forest 42
Soil drainage Wetland 23
Soil drainage Grassland 17
Soil drainage Agriculture 15
Soil drainage Shrubland 10
Soil drainage Tundra 4
Soil drainage Bog 1
Soil drainage Peatland 1

Precipitation

M_Type Ecosystem_Type n_studies
Precipitation Grassland 9
Precipitation Forest 7
Precipitation Shrubland 1
Precipitation NA 1

Elevation

M_Type Ecosystem_Type n_studies
Elevation Forest 170
Elevation Grassland 49
Elevation Shrubland 20
Elevation Agriculture 10
Elevation Wetland 9
Elevation Plantation 6
Elevation Tundra 5
Elevation Desert 4
Elevation Savanna 4
Elevation NA 3
Elevation Bare 1
Elevation Meadow 1
Elevation Steppe 1

Summary of Forest Ecosystem

M_Type Ecosystem_Type n_studies
Irrigated Forest 28
Soil drainage Forest 42
Precipitation Forest 7
Elevation Forest 170