Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Astra Plinius - celestial bodies
         Universe
           (Supercluster) Virgo-Hydra-Centaurus Supercluster
             (Supercluster) Virgo Supercluster
               (Cluster) Local Group
                 (Galaxy) Milky Way Galaxy veter.
                   (Spiral arm) Orion Arm
                     (Region) Local Bubble
                       Local Interstellar Cloud
                         (Planetary system) Solar System
                           (Planet-satellite system) Earth System
                             (Planet) Earth veter.
                               "spheres" (Earth)
                                 (Sphere) Biosphere (Earth) - zone of life
                                   "terrestrial and freshwater ecoregions"
                                     (Bioregion) Old World
                                       (Biogeographic realm) Afrotropic
                                         1 (Terrestrial ecoregion) Albany thickets (Afrotropic)
                                         1 (Terrestrial ecoregion) Albertine Rift Montane Forests (Afrotropic)
                                         1 (Terrestrial ecoregion) Amsterdam and Saint-Paul Islands temperate grasslands (Afrotropic)
                                         1 (Terrestrial ecoregion) Angolan Miombo woodlands (Afrotropic)
                                         1 (Terrestrial ecoregion) Angolan montane forest-grassland mosaic (Afrotropic)
                                         1 (Terrestrial ecoregion) Angolan Mopane woodlands (Afrotropic)
                                         1 (Terrestrial ecoregion) Angolan scarp savanna and woodlands (Afrotropic)
                                         1 (Ecoregion complex) Arabian Highland Woodlands and Shrublands
                                         1 (Terrestrial ecoregion) Ascension scrub and grasslands (Afrotropic)
                                         1 (Ecoregion complex) Cameroon Highlands Forests
                                         1 (Terrestrial ecoregion) Cape Verde Islands dry forests (Afrotropic)
                                         1 (Ecoregion complex) Central and Eastern Miombo Woodlands
                                         1 (Ecoregion complex) Central Congo Basin Moist Forests
                                         1 (Terrestrial ecoregion) Comoros forests (Afrotropic)
                                         1 (Ecoregion complex) Congolian Coastal Forests
                                         1 (Terrestrial ecoregion) Cross-Niger transition forests (Afrotropic)
                                         1 (Terrestrial ecoregion) Drakensberg alti-montane grasslands and woodlands (Afrotropic)
                                         1 (Terrestrial ecoregion) Drakensberg Montane Shrublands and Woodlands
                                         1 (Ecoregion complex) East African Acacia Savannas
                                         1 (Terrestrial ecoregion) East African Coastal Forests
                                         1 (Terrestrial ecoregion) East African halophytics (Afrotropic)
                                         1 (Terrestrial ecoregion) East African mangroves (Afrotropic)
                                         1 (Terrestrial ecoregion) East African montane forests (Afrotropic)
                                         1 (Ecoregion complex) East African Moorlands
                                         1 (Terrestrial ecoregion) East Saharan montane xeric woodlands (Afrotropic)
                                         1 (Terrestrial ecoregion) Eastern Arc Montane Forests
                                         1 (Terrestrial ecoregion) Eastern Zimbabwe montane forest-grassland mosaic (Afrotropic)
                                         1 (Terrestrial ecoregion) Eritrean coastal desert (Afrotropic)
                                         1 (Ecoregion complex) Ethiopian Highlands
                                         1 (Terrestrial ecoregion) Ethiopian montane forests (Afrotropic)
                                         1 (Terrestrial ecoregion) Ethiopian xeric grasslands and shrublands (Afrotropic)
                                         1 (Terrestrial ecoregion) Etosha Pan halophytics (Afrotropic)
                                         1 (Ecoregion complex) Fynbos
                                         1 (Terrestrial ecoregion) Guinean forest-savanna mosaic (Afrotropic)
                                         1 (Terrestrial ecoregion) Guinean mangroves (Afrotropic)
                                         1 (Ecoregion complex) Guinean Moist Forests
                                         1 (Terrestrial ecoregion) Gulf of Guinea Mangroves
                                         1 (Terrestrial ecoregion) Gulf of Oman desert and semi-desert (Afrotropic)
                                         1 (Terrestrial ecoregion) Highveld grasslands (Afrotropic)
                                         1 (Terrestrial ecoregion) Hobyo grasslands and shrublands (Afrotropic)
                                         1 (Terrestrial ecoregion) Horn of Africa Acacia Savannas
                                         1 (Terrestrial ecoregion) Ile Europa and Bassas da India xeric scrub (Afrotropic)
                                         1 (Terrestrial ecoregion) Itigi-Sumbu thicket (Afrotropic)
                                         1 (Terrestrial ecoregion) Jos Plateau forest-grassland mosaic (Afrotropic)
                                         1 (Terrestrial ecoregion) Kalahari Acacia-Baikiaea woodlands (Afrotropic)
                                         1 (Terrestrial ecoregion) Kalahari xeric savanna (Afrotropic)
                                         1 (Terrestrial ecoregion) Knysna-Amatole montane forests (Afrotropic)
                                         1 (Terrestrial ecoregion) KwaZulu-Cape coastal forest mosaic (Afrotropic)
                                         1 (Terrestrial ecoregion) Madagascar Dry Forests
                                         1 (Ecoregion complex) Madagascar Forests and Shrublands
                                         1 (Terrestrial ecoregion) Madagascar mangroves (Afrotropic)
                                         1 (Ecoregion complex) Madagascar Spiny Thicket
                                         1 (Terrestrial ecoregion) Mandara Plateau mosaic (Afrotropic)
                                         1 (Terrestrial ecoregion) Maputaland coastal forest mosaic (Afrotropic)
                                         1 (Terrestrial ecoregion) Maputaland-Pondoland bushland and thickets (Afrotropic)
                                         1 (Terrestrial ecoregion) Masai xeric grasslands and shrublands (Afrotropic)
                                         1 (Ecoregion complex) Namib-Karoo-Kaokoveld Deserts
                                         1 (Terrestrial ecoregion) Niger Delta swamp forests (Afrotropic)
                                         1 (Terrestrial ecoregion) Nigerian lowland forests (Afrotropic)
                                         1 (Terrestrial ecoregion) Northeastern Congo Basin Moist Forests
                                         1 (Terrestrial ecoregion) Northern Congolian forest-savanna mosaic (Afrotropic)
                                         1 (Terrestrial ecoregion) Red Sea coastal desert (Afrotropic)
                                         1 (Terrestrial ecoregion) Sahelian Acacia savanna (Afrotropic)
                                         1 (Ecoregion complex) Seychelles and Mascarenes Moist Forests
                                         1 (Terrestrial ecoregion) Socotra Island Desert
                                         1 (Terrestrial ecoregion) Somali montane xeric woodlands (Afrotropic)
                                         1 (Terrestrial ecoregion) South Malawi montane forest-grassland mosaic (Afrotropic)
                                         1 (Terrestrial ecoregion) Southern Africa bushveld (Afrotropic)
                                         1 (Terrestrial ecoregion) Southern Africa mangroves (Afrotropic)
                                         1 (Terrestrial ecoregion) Southern Congolian forest-savanna mosaic (Afrotropic)
                                         1 (Terrestrial ecoregion) Southern Miombo woodlands (Afrotropic)
                                         1 (Terrestrial ecoregion) Southern Rift Montane Woodlands
                                         1 (Terrestrial ecoregion) Southern Zanzibar-Inhambane coastal forest mosaic (Afrotropic)
                                         1 (Terrestrial ecoregion) St. Helena scrub and woodlands (Afrotropic)
                                         1 (Terrestrial ecoregion) Sudanian Savannas
                                         1 (Ecoregion complex) Sudd-Sahelian Flooded Grasslands and Savannas
                                         1 (Terrestrial ecoregion) Tristan Da Cunha-Gough Islands shrub and grasslands (Afrotropic)
                                         1 (Terrestrial ecoregion) Victoria Basin forest-savanna mosaic (Afrotropic)
                                         1 (Terrestrial ecoregion) West Sudanian savanna (Afrotropic)
                                         1 (Ecoregion complex) Western Congo Basin Moist Forests
                                         1 (Terrestrial ecoregion) Western Congolian forest-savanna mosaic (Afrotropic)
                                         1 (Terrestrial ecoregion) Western Zambezian grasslands (Afrotropic)
                                         1 (Terrestrial ecoregion) Zambezian and Mopane woodlands (Afrotropic)
                                         1 (Terrestrial ecoregion) Zambezian coastal flooded savanna (Afrotropic)
                                         1 (Terrestrial ecoregion) Zambezian Cryptosepalum dry forests (Afrotropic)
                                         1 (Terrestrial ecoregion) Zambezian Flooded Savannas
                                         1 (Terrestrial ecoregion) Zambezian halophytics (Afrotropic)
                                         2.1.1 (Freshwater ecoregion) Southwestern Arabian Coast (Afrotropic)
                                         2.1.2 (Freshwater ecoregion) Oman Mountains (Afrotropic)
                                         2.2.01 (Freshwater ecoregion) Lower Niger - Benue (Afrotropic)
                                         2.2.02 (Freshwater ecoregion) Niger Delta (Afrotropic)
                                         2.2.03 (Freshwater ecoregion) Upper Niger (Afrotropic)
                                         2.2.04 (Freshwater ecoregion) Inner Niger Delta (Afrotropic)
                                         2.2.05 (Freshwater ecoregion) Senegal - Gambia (Afrotropic)
                                         2.2.06 (Freshwater ecoregion) Fouta - Djalon (Afrotropic)
                                         2.2.07 (Freshwater ecoregion) Northern Upper Guinea (Afrotropic)
                                         2.2.08 (Freshwater ecoregion) Southern Upper Guinea (Afrotropic)
                                         2.2.09 (Freshwater ecoregion) Mount Nimba (Afrotropic)
                                         2.2.10 (Freshwater ecoregion) Eburneo (Afrotropic)
                                         2.2.11 (Freshwater ecoregion) Ashanti (Afrotropic)
                                         2.2.12 (Freshwater ecoregion) Volta (Afrotropic)
                                         2.2.13 (Freshwater ecoregion) Bight Drainages (Afrotropic)
                                         2.2.14 (Freshwater ecoregion) Northern Gulf of Guinea Drainages - Bioko (Afrotropic)
                                         2.2.15 (Freshwater ecoregion) Western Equatorial Crater Lakes (Afrotropic)
                                         2.2.16 (Freshwater ecoregion) Lake Chad (Afrotropic)
                                         2.2.17 (Freshwater ecoregion) Lake Victoria Basin (Afrotropic)
                                         2.2.18 (Freshwater ecoregion) Upper Nile (Afrotropic)
                                         2.2.19 (Freshwater ecoregion) Ethiopian Highlands (Afrotropic)
                                         2.2.20 (Freshwater ecoregion) Lake Tana (Afrotropic)
                                         2.2.21 (Freshwater ecoregion) Northern Eastern Rift (Afrotropic)
                                         2.2.22 (Freshwater ecoregion) Horn of Africa (Afrotropic)
                                         2.2.23 (Freshwater ecoregion) Lake Turkana (Afrotropic)
                                         2.2.24 (Freshwater ecoregion) Shebelle - Juba (Afrotropic)
                                         2.2.25 (Freshwater ecoregion) Ogooue - Nyanga - Kouilou - Niari (Afrotropic)
                                         2.2.26 (Freshwater ecoregion) Southern Gulf of Guinea Drainages (Afrotropic)
                                         2.2.27 (Freshwater ecoregion) Sangha (Afrotropic)
                                         2.2.28 (Freshwater ecoregion) Sudanic Congo - Oubangi (Afrotropic)
                                         2.2.29 (Freshwater ecoregion) Uele (Afrotropic)
                                         2.2.30 (Freshwater ecoregion) Cuvette Centrale (Afrotropic)
                                         2.2.31 (Freshwater ecoregion) Tumba (Afrotropic)
                                         2.2.32 (Freshwater ecoregion) Upper Congo Rapids (Afrotropic)
                                         2.2.33 (Freshwater ecoregion) Upper Congo (Afrotropic)
                                         2.2.34 (Freshwater ecoregion) Albertine Highlands (Afrotropic)
                                         2.2.35 (Freshwater ecoregion) Lake Tanganyika (Afrotropic)
                                         2.2.36 (Freshwater ecoregion) Malagarasi - Moyowosi (Afrotropic)
                                         2.2.37 (Freshwater ecoregion) Bangweulu - Mweru (Afrotropic)
                                         2.2.38 (Freshwater ecoregion) Upper Lualaba (Afrotropic)
                                         2.2.39 (Freshwater ecoregion) Kasai (Afrotropic)
                                         2.2.40 (Freshwater ecoregion) Mai Ndombe (Afrotropic)
                                         2.2.41 (Freshwater ecoregion) Malebo Pool (Afrotropic)
                                         2.2.42 (Freshwater ecoregion) Lower Congo Rapids (Afrotropic)
                                         2.2.43 (Freshwater ecoregion) Lower Congo (Afrotropic)
                                         2.2.44 (Freshwater ecoregion) Cuanza (Afrotropic)
                                         2.2.45 (Freshwater ecoregion) Namib (Afrotropic)
                                         2.2.46 (Freshwater ecoregion) Etosha (Afrotropic)
                                         2.2.47 (Freshwater ecoregion) Karstveld Sink Holes (Afrotropic)
                                         2.2.48 (Freshwater ecoregion) Zambezian Headwaters (Afrotropic)
                                         2.2.49 (Freshwater ecoregion) Upper Zambezi Floodplains (Afrotropic)
                                         2.2.50 (Freshwater ecoregion) Kafue (Afrotropic)
                                         2.2.51 (Freshwater ecoregion) Middle Zambezi - Luangwa (Afrotropic)
                                         2.2.52 (Freshwater ecoregion) Lake Malawi (Afrotropic)
                                         2.2.53 (Freshwater ecoregion) Zambezian Highveld (Afrotropic)
                                         2.2.54 (Freshwater ecoregion) Lower Zambezi (Afrotropic)
                                         2.2.55 (Freshwater ecoregion) Mulanje (Afrotropic)
                                         2.2.56 (Freshwater ecoregion) Eastern Zimbabwe Highlands (Afrotropic)
                                         2.2.57 (Freshwater ecoregion) Coastal East Africa (Afrotropic)
                                         2.2.58 (Freshwater ecoregion) Lake Rukwa (Afrotropic)
                                         2.2.59 (Freshwater ecoregion) Southern Eastern Rift (Afrotropic)
                                         2.2.60 (Freshwater ecoregion) Tana, Athi & Coastal Drainages (Afrotropic)
                                         2.2.61 (Freshwater ecoregion) Pangani (Afrotropic)
                                         2.2.62 (Freshwater ecoregion) Okavango (Afrotropic)
                                         2.2.63 (Freshwater ecoregion) Kalahari (Afrotropic)
                                         2.2.64 (Freshwater ecoregion) Southern Kalahari (Afrotropic)
                                         2.2.65 (Freshwater ecoregion) Western Orange (Afrotropic)
                                         2.2.66 (Freshwater ecoregion) Karoo (Afrotropic)
                                         2.2.67 (Freshwater ecoregion) Drakensberg - Maloti Highlands (Afrotropic)
                                         2.2.68 (Freshwater ecoregion) Southern Temperate Highveld (Afrotropic)
                                         2.2.69 (Freshwater ecoregion) Zambezian Lowveld (Afrotropic)
                                         2.2.70 (Freshwater ecoregion) Amatolo - Winterberg Highlands (Afrotropic)
                                         2.2.71 (Freshwater ecoregion) Cape Fold (Afrotropic)
                                         2.3.1 (Freshwater ecoregion) Western Madagascar (Afrotropic)
                                         2.3.2 (Freshwater ecoregion) Northwestern Madagascar (Afrotropic)
                                         2.3.3 (Freshwater ecoregion) Madagascar Eastern Highlands (Afrotropic)
                                         2.3.4 (Freshwater ecoregion) Southern Madagascar (Afrotropic)
                                         2.3.5 (Freshwater ecoregion) Madagascar Eastern Lowlands (Afrotropic)
                                         2.4 (Freshwater ecoregion) Comoros - Mayotte (Afrotropic)
                                         2.5 (Freshwater ecoregion) Seychelles (Afrotropic)
                                         2.6 (Freshwater ecoregion) Mascarenes (Afrotropic)
                                         2.7 (Freshwater ecoregion) S. Tome & Principe - Annobon (Afrotropic)