A data set containing localities and environmental condition of an Abies (fir tree) species in California, USA
Source:R/data.R
abies.RdA data set containing localities and environmental condition of an Abies (fir tree) species in California, USA
Format
A tibble object with 5000 rows and 10 variables:
- ID
presences and absences records ID
- pr_ab
presence and absences denoted by 1 and 0 respectively
- x y
columns with coordinates in Albers Equal Area Conic coordinate system
- from column aet to landform
columns with values for environmental variables at each locality
...
Examples
# \donttest{
require(dplyr)
#> Loading required package: dplyr
#> Warning: package 'dplyr' was built under R version 4.5.3
#>
#> Attaching package: 'dplyr'
#> The following objects are masked from 'package:stats':
#>
#> filter, lag
#> The following objects are masked from 'package:base':
#>
#> intersect, setdiff, setequal, union
data("abies")
abies
#> # A tibble: 1,400 × 13
#> id pr_ab x y aet cwd tmin ppt_djf ppt_jja pH awc
#> <int> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl>
#> 1 715 0 -95417. 314240. 323. 546. 1.24 62.7 17.8 5.77 0.108
#> 2 5680 0 98987. -159415. 448. 815. 9.43 130. 6.43 5.60 0.160
#> 3 7907 0 121474. -99463. 182. 271. -4.95 151. 11.2 0 0
#> 4 1850 0 -39976. -17456. 372. 946. 8.78 116. 2.70 6.41 0.0972
#> 5 1702 0 111372. -91404. 209. 399. -4.03 165. 9.27 0 0
#> 6 10036 0 -255715. 392229. 308. 535. 4.66 166. 16.5 5.70 0.0777
#> 7 12384 0 -311765. 380213. 568. 352. 4.38 480. 41.2 5.80 0.110
#> 8 6513 0 111360. -120229. 327. 633. 4.93 163. 8.91 1.18 0.0116
#> 9 9884 0 -284326. 442136. 377. 446. 3.99 296. 16.8 5.96 0.0900
#> 10 8651 0 137640. -110538. 215. 265. -4.62 180. 9.57 0 0
#> # ℹ 1,390 more rows
#> # ℹ 2 more variables: depth <dbl>, landform <fct>
# }