BIOTOPE EVALUATION (NATURE CONSERVATION)
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BTDATA COLLECTION AND EVALUATION (NATURE PROTECTION)
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BTECOSYSTEM PROTECTION + BIOTOPE PROTECTION (NATURE CONSERVATION)
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UDC503,120
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Descriptor GERBIOTOPBEWERTUNG (NATURSCHUTZ)
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Descriptor ENGBIOTOPE EVALUATION (NATURE CONSERVATION)
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Descriptor FREÉVALUATION DU BIOTOPE (PROTECTION DE LA NATURE)
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Variant GERBEWERTUNG/BIOTOPBEWERTUNG (NATURSCHUTZ)
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Variant ENGEVALUATION/BIOTOPE EVALUATION (NATURE CONSERVATION)
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Variant FREBIOTOPE/ÉVALUATION DU BIOTOPE (PROTECTION DE LA NATURE)