Vegetation mapping VEGWAD surfaces

Vegetation database (built from planes) of coastal areas (marshlands, green beaches and dunes), collected on the basis of aerial photographs 1:5,000 or 1:10,000 and fieldwork. Recovery per area takes place in a cycle of 6 years. The database contains derived information that, in addition to the vegetation zoning map, can also be used to create a vegetation structure map and a red list map. A translation table from Salttype to relevant derivatives is available via Rijkswaterstaat's service desk data. The database is composed of vegetation mappings that have been collected based on classification according to Salt97 and Salt08. Up to and including 2007, vegetation mappings were collected on the basis of Salt97. In these mappings, local vegetation types were distinguished per area. With the advent of Salt08, the typology has been harmonized. Mappings up to and including 2007 have been translated into the Salt08 typology.本数据库为基于航空平台采集的沿海区域（沼泽湿地、绿色海滩与沙丘）植被数据库，依托1:5000或1:10000比例尺航空照片与野外调查工作构建。各区域的数据更新周期为6年。数据库包含衍生信息，除植被分区图外，还可用于生成植被结构图与红色名录地图。可通过荷兰公共工程与水资源管理局（Rijkswaterstaat）服务台数据获取Salttype（盐度类型）至相关衍生类别的转换对照表。该数据库由基于Salt97与Salt08分类标准采集的植被填图数据组成：截至2007年（含2007年），植被填图数据均基于Salt97分类标准采集，此类填图数据按区域区分本地植被类型；随着Salt08标准的推出，植被分类体系实现统一，2007年及之前的填图数据均已转换至Salt08分类体系。