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[求助]
求助,请问大神们从GBIF网站上下载的物种分布数据是什么格式的?怎么用?已有1人参与
小女不才,刚接触这一块,在GBIF网站上下载到了物种分布数据,解压之后包括五项内容,分别是一个文件夹名为:dataset,三个txt文件,分别叫citations,occurrence和rights,还有一个xml文件,名为metadata.
先弱弱的问一下,我下载的是物种分布数据吗?我觉得occurrence这个文件里有我要的物种分布数据,可是都是文本形式的,上千个数据我该怎么提取并应用到MaxEnt等模型中去?
occurrence文件里的内容如下所示:
id dataset_id institution_code collection_code catalog_number basis_of_record scientific_name scientific_name_author taxon_id kingdom phylum class order family genus specific_epithet kingdom_id phylum_id class_id order_id family_id genus_id species_id country_code host_country latitude longitude year month event_date elevation_in_meters depth_in_meters verbatim_scientific_name taxon_rank verbatim_kingdom verbatim_phylum verbatim_class verbatim_order verbatim_family verbatim_genus verbatim_specific_epithet verbatim_infraspecific_epithet verbatim_latitude verbatim_longitude coordinate_precision maximum_elevation_in_meters minimum_elevation_in_meters elevation_precision minimum_depth_in_meters maximum_depth_in_meters depth_precision continent_ocean state_province county country recorded_by locality verbatim_year verbatim_month day verbatim_basis_of_record identified_by date_identified created modified
473540320 0348540a-e644-4496-89d3-c257da9ad776 Université de Montréal Biodiversity Centre MT MT00065929 PRESERVED_SPECIMEN Spartina alterniflora Loisel. Loiseleur-Deslongchamps 5290035 Plantae Magnoliophyta Liliopsida Poales Poaceae Spartina Spartina alterniflora 6 49 196 1369 3073 2704816 5290035 CA CA 48.01667 -66.36667 1965 8 1965-08-16T00:00Z Spartina alterniflora Loiseleur-Deslongchamps species Plantae Magnoliophyta Poaceae Spartina alterniflora 48.0166667 -66.3666667 North America New Brunswick Restigouche County Canada Squires, W. Austin; Squires, R.S. Eel River Bar PreservedSpecimen Squires, W. Austin; Squires, R.S. 2012-03-27T12:01Z 2013-12-23T08:47Z
上面一大段里的48.01667 -66.36667就是我想要的数据,可是这个文本里面有很多,我该怎么提取应用呢?
求大神帮助!我的分不多,还请友情帮助啊!!
[ Last edited by Dadlover on 2014-3-19 at 13:03 ] |
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