Description Usage Arguments Details Value
computes global grid of abundance of occurrences at multiple scales
1 2 3 4 | oceanDiversity(occurrences, species_name = "scientificName",
lat_name = "decimalLatitude", long_name = "decimalLongitude",
extent = "global", cell_size = 5, min_long = -180, max_long = 180,
min_lat = -90, max_lat = 90, diversity_metric = "richness")
|
occurrences |
dataset of occurrences downloaded from OBIS or GBIF |
lat_name |
variable name indicating latitude in the occurrences dataset |
long_name |
variable name indicating longitude in the occurrences dataset |
extent |
spatial extent of the analysis:"global", "Mediterranean" |
cell_size |
size of the grid cells in degrees (?) |
min_long |
minimum longitude of the analysis |
max_long |
maximum longitude of the analysis |
max_lat |
maximum latitude of the analysis |
diversity_metric |
diversity metric to be computes: richness, shannon or simpson indeces |
max_long |
minimum latitute of the analysis |
The function creates downloads occurrences data from the specific sources and stores them in a data frame.
The function returns a an object of class raster with abundance per cell
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