Agricultural Land Classification detailed Post 1988 survey ALCB03498

Survey name: Barnstaple, Landkey Post 1988 Agricultural Land Classification (ALC) site survey data – scanned original paper maps and survey reports for individual sites surveyed in detail between 1989 and 1999 by the Ministry of Agriculture Fisheries and Food. Where Grade 3 is mapped this includes the subdivision of Grade 3 into subgrades 3a and 3b. Surveys use the current grading methodology as described in "Agricultural Land Classification of England and Wales," a link for which is provided with the data. Individual sites have been mapped at varying scales and level of detail from 1:5,000 to 1:50,000 (typically 1:10,000). Unedited sample point soils data and soil pit descriptions are also available for some surveys. Attribution statement: © Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right [year]. (Environment theme)调查名称：巴恩斯特布尔、兰基（Barnstaple, Landkey）。本数据集为1988年后的农业用地分类（Agricultural Land Classification, ALC）实地调查数据，包含英国农业、渔业与食品部于1989至1999年间对各调研地块开展详细勘查所得的扫描版原始纸质地图与调查报告。其中，标注为三级的用地涵盖3a与3b两个子等级。本次调研采用《英格兰与威尔士农业用地分类》中规定的现行分级方法，该文献的链接已随数据一同提供。各调研地块的测绘比例尺与细节精度存在差异，覆盖范围为1:5000至1:50000，通常采用1:10000比例尺。部分调研还附带未经编辑的采样点土壤数据与土坑描述资料。 归因声明：© 自然英格兰（Natural England）版权所有。包含英国地形测量局（Ordnance Survey）数据，© 皇家版权与数据库权[年份]。 （环境主题）