Juniperus drupacea chorology

Distribution map of <em>Juniperus drupacea</em>. <br> These maps were produced by combining numerous and heterogeneous data collected from atlas monographs providing complete species distribution maps, from national to regional atlases, occurrence geo-databases, scientific and grey literature. The maps were created using ESRI shapefiles (*.shp, *.shx, *.dbf, *.prj files) archived in the ZIP file. Species range is mapped with polygon features (name suffix "plg"), which define continuous areas of occupancy of the species, and with point features (name suffix "pnt"), which identify more fragmented and isolated populations. If synanthropic occurrences are reported outside the species natural range, additional point and/or polygon shapefiles are also present (suffix "syn"). Polygon borders delimiting species ranges are generalized across the mainland and sea boundaries. This offers the possibility to mask sea areas or to clip and extract the terrestrial range parts using GIS data layers of the users' choice. An additional version of polygon ranges are clipped with a coastline (name suffix "clip"), which have been derived from Natural Earth dataset "Admin 0 - Countries" 1:50M version 4.1.0 (https://www.naturalearthdata.com). <br> Please cite as: Caudullo, G., Welk, E., San-Miguel-Ayanz, J., 2017. Chorological maps for the main European woody species. Data in Brief 12, 662-666. DOI: doi.org/10.1016/j.dib.2017.05.007 <br> Additional information and used references are on 'supplementary materials' document: https://doi.org/10.6084/m9.figshare.5091901 <br> Chorological maps are part of the "European Atlas of Forest Tree Species" project: https://w3id.org/mtv/FISE-Comm/v01

叙利亚桧（Juniperus drupacea）的物种分布地图。
本套地图通过整合多源异构数据制作而成，数据来源涵盖提供完整物种分布地图的专题图集专著（覆盖从国家级到区域级的各类图集）、物种出现点地理数据库、科学文献与灰色文献。
地图以ESRI形状文件（ESRI shapefiles，包含*.shp、*.shx、*.dbf、*.prj四类文件）格式打包存储于ZIP压缩包中。
物种分布范围通过两类要素进行标注：以“plg”为后缀的面要素（polygon features），用于界定物种的连续栖息区域；以及以“pnt”为后缀的点要素（point features），用于标识更为零散孤立的种群。
若在物种自然分布范围之外发现有人为伴生的出现记录，则会附带额外的点/面形状文件，其文件后缀为“syn”。
物种分布范围的面边界已针对陆地与海洋界线进行了概化处理，使用者可据此通过自定义地理信息系统（GIS）数据图层掩膜海洋区域，或裁剪提取陆地分布范围的相关部分。
另有一类经海岸线裁剪的面范围版本（文件后缀为“clip”），其数据源自Natural Earth数据集“Admin 0 - Countries”1:50M版本4.1.0（访问链接：https://www.naturalearthdata.com）。
请按以下格式引用该数据集：Caudullo, G., Welk, E., San-Miguel-Ayanz, J., 2017. 欧洲主要木本物种分布区地图. 《数据简报（Data in Brief）》12, 662-666. DOI: doi.org/10.1016/j.dib.2017.05.007
更多补充信息与参考文献可参阅配套补充材料文档：https://doi.org/10.6084/m9.figshare.5091901
本套分布区地图是“欧洲林木树种图集（European Atlas of Forest Tree Species）”项目的组成部分，项目访问链接：https://w3id.org/mtv/FISE-Comm/v01