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
## Warning in Ecosystem_type == c("Forest", "Grassland", "Agriculture"): longer
## object length is not a multiple of shorter object length
## # A tibble: 17 x 4
## # Groups:   Ecosystem_type, Manipulation [3]
##    Ecosystem_type Manipulation Manipulation_level                      n_obs
##    <chr>          <chr>        <chr>                                   <int>
##  1 Agriculture    Irrigated    790 mm                                      1
##  2 Agriculture    Irrigated    <NA>                                        3
##  3 Forest         Irrigated    2x precip                                   1
##  4 Forest         Irrigated    350 m3 ha−1                                 1
##  5 Forest         Irrigated    5 mm/day                                    1
##  6 Forest         Irrigated    700 m3 ha−1                                 1
##  7 Forest         Irrigated    grey water N 0.6 mg/L, total P 3.0 mg/L     1
##  8 Forest         Irrigated    pH 4.5                                      2
##  9 Forest         Irrigated    <NA>                                       10
## 10 Grassland      Irrigated    + one 2 mm rainfall/month                   1
## 11 Grassland      Irrigated    +240 gC/m2 POM                              1
## 12 Grassland      Irrigated    +50 mm/yr                                   3
## 13 Grassland      Irrigated    2 mm m-2                                    1
## 14 Grassland      Irrigated    plus 15% precipitation                      1
## 15 Grassland      Irrigated    plus 30% precipitation                      1
## 16 Grassland      Irrigated    Summer                                      1
## 17 Grassland      Irrigated    <NA>                                       12

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
## Warning in Ecosystem_type == c("Forest", "Grassland", "Agriculture"): longer
## object length is not a multiple of shorter object length
## # A tibble: 7 x 3
## # Groups:   Ecosystem_type [3]
##   Ecosystem_type Soil_drainage n_obs
##   <chr>          <chr>         <int>
## 1 Agriculture    Dry               8
## 2 Agriculture    Wet               4
## 3 Forest         Dry              57
## 4 Forest         Medium           10
## 5 Forest         Wet              30
## 6 Grassland      Dry              15
## 7 Grassland      Wet               9

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

Summaries

M_Type Ecosystem_Type n_studies
Irrigated Forest 28
Soil drainage Forest 42
Precipitation Forest 7
Elevation Forest 170
Ecosystem_type Manipulation n_Rs_annual n_Rs_growingseason
Forest None 262 262
Grassland Irrigated 69 69
Grassland None 48 48
Forest Irrigated 47 47
Grassland Precipitation amount change 27 27
Agriculture None 25 25
Forest Precipitation amount change 21 21
Agriculture Irrigated 10 10
Forest Drought 4 4