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The development and scientific principles of an environmental classification for strategic ecological survey in the United Kingdom

机译：英国战略性生态调查的环境分类的发展和科学原理

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A method of environmental classification has been applied twice to surveys of the whole of England, Scotland and Wales (the United Kingdom). Such experience is now being extended to the European continent. The paper draws on the unpublished working-papers of the relevant scientists and institutions in reconstructing both the motives and circumstances in which a methodology was developed in the UK for the assessment of the ecological resources of the wider countryside. The principles of strategic classification and subsequent sampling from defined strata were initially devised for broadleaved woodland, and first tested at a regional level. They drew on classical regression theory, with the environmental classification being the independent, and the vegetation or habitat the dependent, variable. The approach was linked to the development of efficient algorithms for analysis and classification, and more recently remote sensing and geographical information systems. Successive Countryside Surveys of the UK, carried out since 1978, have provided an objective measurement of the decline in the quality of vegetation and habitats. Such a statistically robust approach can be used to measure the rates of vegetation and habitat change at the strategic European level, and as an aid to devising appropriate rural-resources policies.
机译：环境分类方法已两次应用于整个英格兰，苏格兰和威尔士（英国）的调查。这种经验现在正在扩展到欧洲大陆。本文借鉴了相关科学家和机构未发表的工作论文，以重构动机和环境，在英国，他们开发了一种方法来评估更广阔农村地区的生态资源。战略分类的原则以及随后从定义的层中取样的原则最初是为阔叶林设计的，首先在区域级别进行测试。他们借鉴了经典的回归理论，其中环境分类是独立的，植被或生境是相关的，可变的。该方法与分析和分类的有效算法以及最近的遥感和地理信息系统的开发联系在一起。自1978年以来，英国进行了连续的农村调查，客观地衡量了植被和生境质量的下降。这种统计上可靠的方法可用于在战略性欧洲范围内衡量植被和生境变化的速率，并有助于制定适当的农村资源政策。

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