dataset4: Documentation of data file - ecodata_cleaned.rda
ecodata_cleaned.RdThis data shows the final cleaned occurrence records
Format
A data frame with 698 rows and 35 variables:
- X
Index
- basisOfRecord
Type of occurrence record (e.g., preserved specimen, fossil)
- occurrenceStatus
Indicates presence or absence of the species
- institutionCode
Code of the institution that provided the record
- verbatimEventDate
Original text for the event or collection date
- scientificName
Scientific name of the organism
- individualCount
Number of individuals recorded
- organismQuantity
Reported quantity (unit may vary)
- abundance
Standardized or calculated abundance value
- decimalLatitude
Latitude in decimal degrees
- decimalLongitude
Longitude in decimal degrees
- coordinateUncertaintyInMeters
Spatial uncertainty of coordinates in meters
- locality
Named location where the record was collected
- verbatimLocality
Original locality text as provided by the source
- municipality
Municipality or town of occurrence
- county
County of occurrence
- stateProvince
State or province of occurrence
- country
Country of occurrence
- cleaned_catalog
Standardized catalog number used for de-duplication
- lat_precision
Number of decimal places in the latitude coordinate
- lon_precision
Number of decimal places in the longitude coordinate
- flag_cordinate_precision
Flag for low coordinate precision
- flag_cc_val
Flag for invalid or impossible coordinates
- flag_cc_equal
Flag for identical latitude and longitude (likely erroneous)
- flag_cc_zero
Flag for coordinates at (0,0)
- flag_cc_cent
Flag for coordinates placed at a country or region centroid
- flag_cc_gbif
Flag for coordinates matching GBIF headquarters (artifact)
- flag_cc_inst
Flag for coordinates matching institution location
- flag_non_region
Flag for coordinates outside the study region
- outliers
Flag for outliers based on clustering of spatial and environmental variables
- BO_sstmean
Mean sea surface temperature from Bio-ORACLE
- BO_sstmax
Maximum sea surface temperature from Bio-ORACLE
- BO_sstmin
Minimum sea surface temperature from Bio-ORACLE
- BO_chloro
Chlorophyll concentration from Bio-ORACLE
- BO_dissox
Dissolved oxygen level from Bio-ORACLE