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- CENSOS Nº 37. LA GRAJA EN ESPAÑA. POBLACIÓN REPRODUCTORA EN 2011 Y MÉTODO DE CENSO
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BOOKSHOP
- GEA
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FAUNA
- WILDLIFE
- TRACKS & SIGNS
- INSECTS AND ARACNIDS
- INVERTEBRATES DIFFERENT FROM INSECTS AND ARACNIDS
- INVERTEBRATES OF THE IBERIAN PENINSULA, BALEARIC & CANARY ISLANDS
- INVERTEBRATES OF EUROPE, NORTH AFRICA & MIDDLE EAST
- INVERTEBRATES OF NON-TROPICAL ASIA
- INVERTEBRATES OF THE INDIAN SUBCONTINENT & TROPICAL ASIA
- INVERTEBRATES OF OCEANIA
- INVERTEBRATES OF NORTH AMERICA
- INVERTEBRATES OF CENTRAL & SOUTH AMERICA
- INVERTEBRATES OF AFRICA
- FISHES IN GENERAL
- FISHES OF THE IBERIAN PENINSULA, BALEARIC & CANARY ISLANDS
- FISHES OF EUROPE, NORTH AFRICA & MIDDLE EAST
- FISHES OF THE INDIAN SUBCONTINENT & TROPICAL ASIA
- FISHES OF OCEANIA
- FISHES OF NORTH AMERICA
- FISHES OF CENTRAL & SOUTH AMERICA
- FISHES OF AFRICA
- AMPHIBIANS & REPTILES
- AMPHIBIANS & REPTILES OF THE IBERIAN PENINSULA, BALEARIC & CANARY ISLANDS
- AMPHIBIANS & REPTILES OF EUROPE, NORTH AFRICA & MIDDLE EAST
- AMPHIBIANS & REPTILES OF NON-TROPICAL ASIA
- AMPHIBIANS & REPTILES OF THE INDIAN SUBCONTINENT & TROPICAL ASIA
- AMPHIBIANS & REPTILES OF OCEANIA
- AMPHIBIANS & REPTILES OF NORTH AMERICA
- AMPHIBIANS & REPTILES OF CENTRAL & SOUTH AMERICA
- AMPHIBIANS & REPTILES OF AFRICA
- BIRDS GENERAL
- NON-PASSERINES
- PASSERINES
- BIRDS OF THE IBERIAN PENINSULA, BALEARIC & CANARY ISLANDS
- BIRDS OF EUROPE, NORTH AFRICA & MIDDLE EAST
- BIRDS OF NON-TROPICAL ASIA
- BIRDS OF THE INDIAN SUBCONTINENT & TROPICAL ASIA
- BIRDS OF OCEANIA
- BIRDS OF NORTH AMERICA
- BIRDS OF CENTRAL & SOUTH AMERICA
- BIRDS OF AFRICA
- BIRDS OF ANTARCTICA
- BIRDS OF OCEANS AND SEAS
- MAMMALS IN GENERAL
- CARNIVORES
- MARINE MAMMALS
- PRIMATES
- OTHER MAMMALS
- MAMMALS OF THE IBERIAN PENINSULA, BALEARIC & CANARY ISLANDS
- MAMMALS OF EUROPE, NORTH AFRICA & MIDDLE EAST
- MAMMALS OF NON-TROPICAL ASIA
- MAMMALS OF THE INDIAN SUBCONTINENT & TROPICAL ASIA
- MAMMALS OF OCEANIA
- MAMMALS OF NORTH AMERICA
- MAMMALS OF CENTRAL & SOUTH AMERICA
- MAMMALS OF AFRICA
- FLORA
- ECOLOGY & BIOLOGY
- PROTECTION, CONSERVATION & MANAGEMENT
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HABITATS & NATURAL AREAS
- NATURAL HABITATS & SPACES OF THE WORLD
- NATURAL HABITATS AND SPACES OF THE IBERIAN PENINSULA, BALEARIC & CANARY ISLANDS
- VISIT AND/OR TRAVEL IBERIAN PENINSULA, BALEARIC & CANARY ISLANDS
- VISIT AND/OR TRAVEL EUROPE, NORTH AFRICA & MIDDLE EAST
- VISIT AND/OR TRAVEL NON-TROPICAL ASIA
- VISIT AND/OR TRAVEL INDIAN SUBCONTINENT & TROPICAL ASIA
- VISIT AND/OR TRAVEL OCEANIA
- VISIT AND/OR TRAVEL NORTH AMERICA
- VISIT AND/OR TRAVEL CENTRAL & SOUTH AMERICA
- VISIT AND/OR TRAVEL AFRICA
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ATLAS & CARTOGRAPHY
- ATLAS
- CARTOGRAPHY OF NATURAL SPACES OF THE IBERIAN PENINSULA, BALEARICS & CANARY ISLANDS
- CARTOGRAPHY OF NATURAL SPACES OF EUROPE, NORTH AFRICA & MIDDLE EAST
- CARTOGRAPHY OF NATURAL SPACES OF NON-TROPICAL ASIA
- CARTOGRAPHY OF NATURAL SPACES OF THE INDIAN SUBCONTINENT & TROPICAL ASIA
- CARTOGRAPHY OF NATURAL SPACES OF OCEANIA
- CARTOGRAPHY OF NATURAL SPACES OF NORTH AMERICA
- CARTOGRAPHY OF NATURAL SPACES OF CENTRAL & SOUTH AMERICA
- CARTOGRAPHY OF NATURAL SPACES OF AFRICA
- THEMATIC CARTOGRAPHY
- PHOTOGRAPHY & NATURALIST ART
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PHYSICS & ASTRONOMY
- GENERAL BOOKS
- HISTORY OF ASTRONOMY
- ATLAS, CARDS, CATALOGS & EFEMERIDES
- THE SUN, THE MOON, ECLIPSES
- PLANETS, SATELLITES, ASTEROIDS
- COMETS, METEORS & METEORITES
- STARS, GALAXIES, CUMULUS, NEBULOSES
- FIRMAMENT SIMULATORS
- ASTROPHOTOGRAPHY & IMAGE PROCESSING
- TELESCOPES
- OTHER ASTRONOMICAL TECHNIQUES
- GENERAL ASTRONOMICAL OBSERVATION
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- OPTICS
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EQUIPMENT
- GPS, COMPASSES, BACKPACKS & OTHER FIELD & TRAVEL ACCESSORIES
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SCIENTIFIC, PROFESSIONAL & AMATEUR FIELD PRODUCTS
- RINGING MATERIAL, SCALES, CALIBERS & OTHER MEASURING DEVICES
- MIST NETS, TRAPS & OTHER CAPTURE SYSTEMS
- ULTRASOUND DETECTORS, RECORDERS, PARABOLIC DISHES, ETC
- CAMERA TRAPS & OTHER TRACING SYSTEMS
- LAMPS, FLASHLIGHTS & HEADLAMPS
- ENTOMOLOGY, FLASKS & DISSECTION PRODUCTS
- BOTANY & GEOLOGY
- ENVIRONMENTAL MEASUREMENT EQUIPMENT
- METEOROLOGY
- FOREST ENGINEERING
- HIDES, CAMOUFLAGE NETS & OTHER ACCESSORIES
- PLANISPHERIES & OTHER ASTRONOMY ACCESSORIES
- EDUCATIONAL, DESK AND GIFT PRODUCTS
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GARDEN NATURE
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NEST BOXES & REFUGEES FOR WILD GARDEN ANIMALS
- NEST BOXES FOR LITTLE WILD GARDEN BIRDS
- NEST BOXES FOR URBAN BIRDS & OTHER NON-RAPTOR BIRDS
- SHELTERS FOR BATS & OTHER MAMMALS
- NEST BOXES FOR NOCTURNAL & DIURNAL RAPTORS & STORKS
- NEST BOXES, SHELTERS & HOTELS FOR INSECTS, EARTHWORMS, AMPHIBIANS & GECKOS
- NEST BOXES & SHELTERS FOR BIRDS & BATS TO INTEGRATE IN CONSTRUCTIONS
- HOOKS, NAILS, ANTI-PREDATOR PROTECTIONS & OTHER ACCESSORIES
- FEEDERS FOR WILD BIRDS & OTHER GARDEN ANIMALS
- FOOD FOR BIRDS & OTHER ANIMALS
- ECOLOGICAL CONTROL IN THE GARDEN
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NEST BOXES & REFUGEES FOR WILD GARDEN ANIMALS
CENSOS Nº 37. LA GRAJA EN ESPAÑA. POBLACIÓN REPRODUCTORA EN 2011 Y MÉTODO DE CENSO
Este trabajo de censo proporciona estimas cuantitativas del tamaño poblacional de las grajas. También identifica las regiones concretas dentro de toda su área de distribución actual que son más relevantes para su conservación, sugiere la tendencia poblacional que la especie ha debido experimentar durante los últimos 10-15 años, proporciona una cartografía predictiva de la adecuación del territorio para la especie a escala de unidades espaciales de 1x1km y propone una metodología específica de muestreo para la especie discutiendo sus ventajas e inconvenientes a escala regional.
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