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Extension forestière --- Afforestation --- Plantation forestière --- Forest plantations --- Terre marginale --- Marginal land --- Agroforesterie --- agroforestry --- 630*914 --- Woodlots --- -Afforestation --- -Agroforestry --- -Land use, Rural --- -Rural land use --- Land use --- Agriculture --- Agro-forestry --- Forests and forestry --- Tree crops --- Forest planting --- Forestation --- Hurricane protection --- Natural resources --- Reforestation --- Tree planting --- Farm forestry --- Farm wood-lots --- Farm woodlands --- Farm woodlots --- Small woodlands --- Wood-lots --- Woodlands, Small --- Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- Congresses --- -Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- 630*914 Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- -630*914 Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- Rural land use --- Agroforestry --- Land use, Rural
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630*914 --- 630*9 <213.5> --- Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- Forests and forestry from the national point of view. Forestry policy. Afforestation policy. Social economics of forestry--Tropische zones. Tropen --- 630*9 <213.5> Forests and forestry from the national point of view. Forestry policy. Afforestation policy. Social economics of forestry--Tropische zones. Tropen --- 630*914 Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- Deforestation --- Economic aspects --- Tropics --- Forest products industry
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Sédiment --- Sediment --- Contamination chimique --- Chemical contamination --- Métal lourd --- Heavy metals --- Utilisation des déchets --- Waste utilization --- Arbre forestier --- forest trees --- Détoxification --- Detoxification --- Succession écologique --- ecological succession --- Alnus glutinosa --- Populus --- Acer pseudoplatanus --- Fraxinus excelsior --- Robinia --- 630*914 --- 631.416.8 --- Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- Metals and their compounds. Heavy metals in soil --- Theses --- 631.416.8 Metals and their compounds. Heavy metals in soil --- 630*914 Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- Sediment. --- Detoxification.
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Nature protection --- natuurbescherming --- Pedology --- Forestry --- 634 --- 338.43 --- 502.5 --- 504.05 --- 504.53 --- 630*914 --- Landbouweconomie --- The nature complex as a whole. Balance. Danger. Damage. Threat of destruction --- Unfavourable influences of human activities on the environment. Ecotoxicology --- Earth surface. Soil environment --- Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- Agriculture --- Nature --- Food supply. --- Soil erosion. --- Environmental aspects. --- Effect of human beings on. --- 630*914 Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- 504.53 Earth surface. Soil environment --- 504.05 Unfavourable influences of human activities on the environment. Ecotoxicology --- 502.5 The nature complex as a whole. Balance. Danger. Damage. Threat of destruction --- 338.43 Landbouweconomie --- silviculture --- Environmental planning --- deforestation
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Proefschriften --- Thèses --- Sédiment --- Sediment --- Sol anthropogène --- Anthropogenic soils --- Corps gras --- fats --- Métal lourd --- Heavy metals --- Bioaccumulation --- Plante pour restauration du sol --- Soil reclamation plants --- Lutte antipollution --- pollution control --- Salix fragilis --- 631.416.8 --- 631.618 --- 502.37 --- 582.623.22 --- 630*914 --- 631.811.94 --- Metals and their compounds. Heavy metals in soil --- Reclamation of industrial and mined land --- Restoration, salvage, rescue measures. Sanitation --- Salix. Willow --- Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- Uptake of other metals by plants --- Theses --- Sciences and engineering --- earth and environmental sciences --- biogeochemistry --- environmental sciences --- 582.623.22 Salix. Willow --- 502.37 Restoration, salvage, rescue measures. Sanitation --- 631.618 Reclamation of industrial and mined land --- 631.416.8 Metals and their compounds. Heavy metals in soil --- 630*914 Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- biogeochemistry. --- environmental sciences. --- Sediment. --- Earth and environmental sciences --- Biogeochemistry. --- Environmental sciences. --- Salix triandra
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Industrial economics --- Environmental protection. Environmental technology --- Latin America --- Deforestation --- Forest protection --- Forests and forestry --- Déforestation --- Protection de la forêt --- Forêts et sylviculture --- Social aspects --- Economic aspects --- Aspect social --- Aspect économique --- 630*914 --- 630*9 <728> --- -Forest protection --- -Forests and forestry --- -Forest land --- Forest lands --- Forest planting --- Forest production --- Forest sciences --- Forestation --- Forested lands --- Forestland --- Forestlands --- Forestry --- Forestry industry --- Forestry sciences --- Land, Forest --- Lands, Forest --- Silviculture --- Sylviculture --- Woodlands --- Woods (Forests) --- Agriculture --- Natural resources --- Afforestation --- Arboriculture --- Logging --- Timber --- Tree crops --- Trees --- Protection of forests --- Forest conservation --- Forest management --- Plants, Protection of --- Conversion, Forest --- Depletion of forests --- Disforestation --- Forest conversion --- Forest depletion --- Forest-land conversion --- Clearing of land --- Forest fires --- Plants --- Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- Forests and forestry from the national point of view. Forestry policy. Afforestation policy. Social economics of forestry--Midden-Amerika. Centraal-Amerika --- -Control --- Extinction --- Central America --- Forests --- Environmental Sciences and Forestry. Forestry --- Exploitation --- Forest Policy --- Central America. --- Exploitation. --- Forest Policy. --- -Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- -630*914 --- 630*9 <728> Forests and forestry from the national point of view. Forestry policy. Afforestation policy. Social economics of forestry--Midden-Amerika. Centraal-Amerika --- 630*914 Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- -630*914 Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- Forest land --- -Deforestation --- Conservation of Natural Resources --- Déforestation --- Protection de la forêt --- Forêts et sylviculture --- Aspect économique --- Control --- Deforestation - Central America --- Forest protection - Central America --- Forests and forestry - Social aspects - Central America
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Biological diversity conservation --- Deforestation --- Extinction (Biology) --- Forest conservation --- Rain forest conservation --- Déboisement --- Forêts pluviales --- Congresses --- Congrès --- Conservation --- Forest biodiversity conservation --- Zone tropicale --- Tropical zones --- Défrichement --- Land clearing --- Espèce en danger --- endangered species --- Forêt tropicale --- Tropical forests --- Conservation de la nature --- Nature conservation --- Faune --- Fauna --- Flore --- Flora --- Brazil --- 630*914 --- Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- CON Bioconservation --- Brazil = Brasil --- environmental management --- extinction --- nature conservation --- tropical forests --- 630*914 Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- Biodiversity conservation --- Déboisement --- Forêts pluviales --- Congresses. --- Congrès --- Conservation of forest biodiversity --- Forest biodiversity --- Forest biological diversity conservation --- Animals --- Extirpation (Biology) --- Biology --- Extinct animals --- Conversion, Forest --- Depletion of forests --- Disforestation --- Forest conversion --- Forest depletion --- Forest-land conversion --- Clearing of land --- Forest fires --- Plants --- Extinction --- Extirpation --- Tropics --- Extinction (Biology) - Tropics - Congresses. --- Deforestation - Tropics - Congresses. --- Biological diversity conservation - Tropics - Congresses. --- Forest conservation - Tropics - Congresses. --- Rain forest conservation - Congresses. --- Extinction (Biology) - Tropics - Congresses --- Deforestation - Tropics - Congresses --- Forest biodiversity conservation - Tropics - Congresses --- Rain forest conservation - Congresses
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Proefschriften --- Thèses --- Cours d'eau --- Rivers --- Sédiment --- Sediment --- Sol alluvial --- Alluvial soils --- Métal lourd --- Heavy metals --- Pollution --- Salix --- Disponibilité d'élément nutritif --- Nutrient availability --- Impact sur l'environnement --- Environmental impact --- Écologie --- ecology --- Surveillance de l’environnement --- Environmental monitoring --- Bioaccumulation --- Organisme indicateur --- Indicator organisms --- Plante indicatrice --- Indicator plants --- Risque --- risk --- Évaluation --- evaluation --- Méthodologie --- methodology --- 631.416.8 --- 631.47 <282.244.12> --- 630*914 --- 581.133.9 --- 628.336.7 --- Metals and their compounds. Heavy metals in soil --- Surveying, classification and utilization of land. Soil profiles. Litter. Humus. Topsoil. Subsoil etc. Micropedology--Schelde --- Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- Assimilation of other elements --- Sludge disposal or destruction --- Theses --- 581.133.9 Assimilation of other elements --- 630*914 Relations between forest and waste land. Utilization and afforestation of waste land. Deforestation --- 631.47 <282.244.12> Surveying, classification and utilization of land. Soil profiles. Litter. Humus. Topsoil. Subsoil etc. Micropedology--Schelde --- 631.416.8 Metals and their compounds. Heavy metals in soil --- Sediment. --- evaluation. --- Flandre
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