【预售 按需印刷】How To Make Hotbeds And Coldframes (1915)
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预订 The Decline of an English Village 预订,预计下单后3-4周左右发货!
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【预订】Conservation Monitoring in Freshwater Habitats 978940177 国外库房发货,通常付款后3-5周到货!
Product Details 基本信息 ISBN-13 书号 9789401777339 Author 作者 Clive Hurford Countryside Council for Wales Orielton Field Format 版本 平装-胶订 Pages Number 页数 415页 Publisher 出版社 Springer Netherlands Publication Date 出版日期 2016-08-23 Product Dimensions 商品尺寸 9.2 x 6.1 x 0.8 cm Shipping Weight 商品重量 658g Language 语种 英语 Book Contents 内容简介 As in the terrestrial environment, most data collection from freshwater habitats to date falls into the survey, surveillance or research categories. The critical difference between these exercises and a monitoring project is that a monitoring project will clearly identify when we need to make a management response. A Model for Conservation Management and Monitoring Monitoring (as defined by Hellawell) is essentially a tool of practical conservation management, and Fig. 1.1 shows a simple, but effective, model for nature conse
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