Agricultural Land Classification detailed Post 1988 survey ALCB01789d

Survey name: Osmington
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. Revised guidelines and criteria for grading the quality of agricultural land (MAFF, 1988)":http://webarchive.nationalarchives.gov.uk/20130402151656/http:/archive.defra.gov.uk/foodfarm/landmanage/land-use/documents/alc-guidelines-1988.pdf. 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].

调查名称：奥斯丁顿
1988年后农业土地利用分类（ALC）场地调查数据——对1989年至1999年间由农业、渔业和食物部详细调查的各个场地的原始纸质地图和调查报告进行扫描。当标注到三级时，包括将三级细分为3a和3b子级。调查采用《英格兰和威尔士农业土地利用分类。关于评估农业土地利用质量的重审指南和标准》（MAFF，1988）中描述的当前分级方法：[点击访问](http://webarchive.nationalarchives.gov.uk/20130402151656/http:/archive.defra.gov.uk/foodfarm/landmanage/land-use/documents/alc-guidelines-1988.pdf)。各个场地以不同的比例尺和详细程度进行了绘制，从1:5,000至1:50,000（通常为1:10,000）。部分调查还提供了未经编辑的样本点土壤数据和土壤坑描述。
归属声明：© 自然英格兰版权所有。包含军用地形数据©皇家版权和数据库权利[年份]。