作者: J A Taylor
DOI: 10.1177/003072708001000606
关键词: Distribution (economics) 、 Agriculture 、 Agroforestry 、 Hectare 、 Urban planning 、 Bracken 、 Agronomy 、 Biology
摘要: In the United Kingdom, for every two hectares of farming land lost each year to urban development and forestry, half one hectare may be bracken. At a wider-ranging level assessment br...