ECOSYSTEM PROTECTION + BIOTOPE PROTECTION (NATURE CONSERVATION)
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BTNATURE CONSERVATION
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UDC503,12
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Descriptor GERÖKOSYSTEMSCHUTZ + BIOTOPSCHUTZ (NATURSCHUTZ)
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Descriptor ENGECOSYSTEM PROTECTION + BIOTOPE PROTECTION (NATURE CONSERVATION)
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Descriptor FREPROTECTION DU PAYSAGE ET PROTECTION DU BIOTOPE (PROTECTION DE LA NATURE)
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Variant GERSCHUTZ/ÖKOSYSTEMSCHUTZ UND BIOTOPSCHUTZ (NATURSCHUTZ)
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Variant GERÖKOSYSTEMSCHUTZ (NATURSCHUTZ)
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Variant GERBIOTOPSCHUTZ (NATURSCHUTZ)
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Variant ENGECOSYSTEM PROTECTION (NATURE CONSERVATION)
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Variant ENGBIOTOPE PROTECTION (NATURE CONSERVATION)
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Variant ENGBIOTOPE CONSERVATION (NATURE CONSERVATION)
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Variant ENGPROTECTION/ECOSYSTEM AND BIOTOPE PROTECTION (NATURE CONSERVATION)
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Variant ENGCONSERVATION/BIOTOPE CONSERVATION (NATURE CONSERVATION)
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Variant FREPAYSAGE/CONSERVATION DU PAYSAGE (PROTECTION DE LA NATURE)
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Variant FREPROTECTION DU PAYSAGE (PROTECTION DE LA NATURE)
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Variant FRECONSERVATION DU PAYSAGE (PROTECTION DE LA NATURE)
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Variant FREBIOTOPE/PROTECTION DU BIOTOPE (PROTECTION DE LA NATURE)
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Variant FREPROTECTION DU BIOTOPE (PROTECTION DE LA NATURE)
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NTBIOTOPE EVALUATION (NATURE CONSERVATION)
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NTBIOTOPE PROTECTION PROGRAMMES (NATURE CONSERVATION)
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NTBIOTOPE CHANGES + ENDANGERED BIOTOPES + BIOTOPE LOSS (NATURE CONSERVATION)
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NTBIOTOPE NETWORKS + BIOTOPE SYSTEMS (NATURE CONSERVATION)
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NTDIVERSITY (NATURE CONSERVATION)
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NTLAND REQUIREMENT + LAND DEMAND + LAND PROTECTION (NATURE CONSERVATION)
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NTOCEAN WATER PROTECTION (ENVIRONMENTAL PROBLEMS)
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NTNATURE CONSERVATION OUTSIDE PROTECTED AREAS
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NTECOSYSTEM TYPES + BIOTOPE TYPES (NATURE CONSERVATION)
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RTHUMAN GEOGRAPHY
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RTBIOTOPES (ANIMAL ECOLOGY)
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RTLANDSCAPE DESTRUCTION AND LANDSCAPE THREAT (ENVIRONMENTAL PROBLEMS)
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RTLANDSCAPE CLOSE TO NATURE (GEOGRAPHY)
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RTECOLOGICAL GEOBOTANY
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RTECOLOGICAL MAPPING + BIOTOPE MAPPING (ECOLOGY)