Agricultural Land Classification detailed Post 1988 survey ALCB04591

Survey name: Hayle And Phillack 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)数据集名称：黑尔与菲利阿克（Hayle And Phillack） 本数据集为1988年后农业土地分类（Agricultural Land Classification, ALC）场地调查数据，包含由农业、渔业与食品部于1989年至1999年间对多个场地开展详细调查后得到的扫描版原始纸质地图与单场地调查报告。若地图中标注了三级土地，则涵盖将三级土地细分为3a、3b两个亚级的内容。本次调查采用《英格兰与威尔士农业土地分类》中载明的现行分级方法，数据附带该文献的访问链接。各场地的绘图比例尺与细节程度存在差异，覆盖1:5000至1:50000区间，通常采用1:10000比例尺。部分调查还附带未经编辑的原始采样点土壤数据与土坑描述记录。 署名声明：© 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）