Occurrence Download

A dataset containing 2765 species occurrences available in GBIF matching the query:
{
"and" : [
{
"and" : [
"HasGeospatialIssue is false",
"HasCoordinate is true",
"OccurrenceStatus is Present",
{
"not" : {
"BasisOfRecord" : [
"is one of (Fossil, Living Specimen)"
]
}
}
]
},
"TaxonKey is one of (Progne subis)",
"Year is greater than or equal to 1950",
"Year is less than or equal to 1959",
"Month is one of (November, December, January, February, March, April, May, June, July, August, September, October)"
]
}

The dataset includes 2765 records from 26 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0021277-260507073636908/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2765条物种出现记录，均为匹配下述查询条件的全球生物多样性信息设施（Global Biodiversity Information Facility, GBIF）公开数据：
{
"且" : [
{
"且" : [
"无地理空间问题（HasGeospatialIssue）为假",
"存在有效坐标（HasCoordinate）为真",
"出现状态为存在（OccurrenceStatus is Present）",
{
"非" : {
"记录基础类型（BasisOfRecord）" : [
"不属于（Fossil, Living Specimen）两类"
]
}
}
]
},
"分类单元键（TaxonKey）对应紫崖燕（Progne subis）",
"采集年份≥1950年",
"采集年份≤1959年",
"采集月份属于（11月、12月、1月、2月、3月、4月、5月、6月、7月、8月、9月、10月）"
]
}

本数据集共计2765条记录，由26个独立数据集整合而成；详细信息请访问以下链接查阅：https://api.gbif.org/v1/occurrence/download/0021277-260507073636908/datasets/export

本次下载所包含的部分独立数据集，其授权使用条款可能较为宽松。