Agricultural Land Classification detailed Post 1988 survey ALCR05288

Survey name: Sherfield English, Birchwood Quarry 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]. Attribution statement: © Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right [year].调查名称：舍菲尔德英格兰（Sherfield English）、桦木采石场（Birchwood Quarry） 1988年后农业用地分级（Agricultural Land Classification, ALC）场地调查数据——包含1989至1999年间由英国农业、渔业与食品部对各场地开展详细调查的扫描版原始纸质地图与调查报告。其中标注为三级的地块涵盖将三级细分为3a与3b子级的内容。本次调查采用《英格兰与威尔士农业用地分级》所述的现行分级方法，数据附带该文献的访问链接。各场地的测绘比例尺与细节程度存在差异，范围介于1:5000至1:50000之间，通常采用1:10000比例尺。部分调查还附带未经编辑的采样点土壤数据与土坑描述资料。 版权声明：© 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]。版权声明：© 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]。