Irascible
发表于 2025-3-23 10:58:10
Burkhard Schäfferof the land area (in more intensively farmed areas in eastern and southern Britain the figure is less than 10%), some form of evaluation of potential nature conservation sites is necessary. Green (1981) points out that ’since all countryside cannot be protected, the setting aside of some land (for n
为宠爱
发表于 2025-3-23 16:09:16
Matthias Alke deterioration, as with the peregrine, ., virtually world-wide (Ratcliffe, 1981). Because of their conspicuousness, ubiquity and ecological diversity birds have also been used as indicators of broad environmental quality in extensive land use planning (for example Graber and Graber, 1976; Svensson,
Ischemia
发表于 2025-3-23 19:32:59
Julia Kollerof the land area (in more intensively farmed areas in eastern and southern Britain the figure is less than 10%), some form of evaluation of potential nature conservation sites is necessary. Green (1981) points out that ’since all countryside cannot be protected, the setting aside of some land (for n
EVEN
发表于 2025-3-23 22:15:34
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bonnet
发表于 2025-3-24 04:22:31
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我邪恶
发表于 2025-3-24 07:26:33
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invade
发表于 2025-3-24 12:30:55
contributions, etc., were chosen mostly from reprints received directly from authors. The courtesy of those is highly appreciated. The manuscript is usually prepared in May and June of the year fol lowing the year which it covers. Unfortunately some reprints come later and thus the respective references appea978-90-6193-576-6978-94-009-4816-7
公理
发表于 2025-3-24 18:44:09
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Ovulation
发表于 2025-3-24 19:47:52
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Parley
发表于 2025-3-25 01:28:28
Sandra Habeck,Ramona Kahl unnecessary mystique. The intention here is to discuss only those observations and records which can usefully be made for nature conservation purposes, i.e. site assessment and management. Specialised matters, such as soil survey and the monitoring of populations for demographic studies, are beyond