An information tradeoff exists between systematic presence/absence surveys and purely opportunistic (presence-only) records for investigating the geography of community structure. Opportunistic specie
A dataset containing 16499 species occurrences available in GBIF matching the query: { "and" : [ "HasGeospatialIssue is false", "HasCoordinate is true", "OccurrenceStatus is Present", { "not" :
A dataset containing 279129 species occurrences available in GBIF matching the query: { "and" : [ "GadmGid is MEX.9.16_2", "OccurrenceStatus is Present", "Year 2000-2025" ] } The dataset includ
A dataset containing 92950 species occurrences available in GBIF matching the query: { "and" : [ "TaxonKey is Ulex parviflorus Pourr.", "HasCoordinate is true" ] } The dataset includes 92950 rec
