Occurrence Download

A dataset containing 8871973 species occurrences available in GBIF matching the query:
{
"and" : [
"DatasetKey is iNaturalist Research-grade Observations",
"HasCoordinate is true",
"HasGeospatialIssue is false",
"TaxonId is not null",
"GbifId is not null",
"Country is one of (Canada, Mexico, United States of America)",
"EventDate is greater than or equal to 2021-05-02",
"EventDate is less than or equal to 2022-05-02",
{
"not" : {
"Issue" : [
"is one of (Basis of record invalid, Coordinate reprojection failed, Coordinate reprojection suspicious, Coordinate precision invalid, Coordinate uncertainty meters invalid, Country mismatch, Country invalid, Geodetic datum invalid, Presumed swapped coordinate, Presumed negated longitude, Presumed negated latitude, Country coordinate mismatch)"
]
}
},
{
"not" : {
"BasisOfRecord" : [
"is Fossil"
]
}
}
]
}

The dataset includes 8871973 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0002598-260430073515954/datasets/export for details.

Data from some individual datasets included in this download may be licensed under less restrictive terms.

本数据集包含8871973条物种出现记录，均可从全球生物多样性信息设施（GBIF）中获取且满足以下全部逻辑与条件：
- 数据集键（DatasetKey）为「iNaturalist 研究级观测记录」；
- 包含有效坐标（HasCoordinate 为真）；
- 无地理空间异常（HasGeospatialIssue 为假）；
- 分类单元ID（TaxonId）非空；
- GBIF编号（GbifId）非空；
- 所属国家为加拿大、墨西哥或美利坚合众国；
- 事件日期（EventDate）不早于2021-05-02；
- 事件日期（EventDate）不晚于2022-05-02；
- 排除存在以下任一数据问题的记录：记录基础无效、坐标重投影失败、坐标重投影存疑、坐标精度无效、坐标不确定性米数无效、国家不匹配、国家无效、大地基准面无效、疑似坐标交换、疑似经度取反、疑似纬度取反、国家与坐标不匹配；
- 排除记录基础（BasisOfRecord）为「化石」的记录。

本数据集共计8871973条记录，仅来源于1个组成数据集；详细信息请访问以下链接查阅：https://api.gbif.org/v1/occurrence/download/0002598-260430073515954/datasets/export。

本下载包包含的部分独立数据集，其数据可能采用了更为宽松的授权协议。