Foreword.
Breure
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AM
Römbke
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D044822:Biodiversity; D003247:Conservation of Natural Resources / Q000331:legislation & jurisprudence; D003718:Denmark; D004463:Ecology; D004784:Environmental Monitoring; D035082:Federal Government; D005858:Germany; D009426:Netherlands; D012987:Soil
D012987:Soil