71 relations: Air pollution, Alpine tundra, Amazon rainforest, Andes, Argentina, Atacama Desert, Axial tilt, Biodiversity, Biogeographic realm, Biogeography, Chile, Costa Rica, Deforestation, Desert, Desert climate, Earth, El Yunque National Forest, Endemism, Equator, Geographical zone, Hardiness zone, Intertropical Convergence Zone, Köppen climate classification, Land, Latitude, Madagascar, Madagascar dry deciduous forests, Malaria, Mauna Kea, Middle latitudes, Monsoon trough, Mount Kilimanjaro, Neotropical realm, Nicaragua, Northern Hemisphere, Nutrient, Outback, Paleotropical Kingdom, Pierre Gourou, Polar regions of Earth, Precipitation, Puerto Rico, Rain, Sahara, Savanna, Seasonal tropical forest, Semi-arid climate, Shifting cultivation, Slash-and-burn, Soil, ..., South Africa, South America, Southern Hemisphere, Subsolar point, Subtropics, Summer, Sun, Tropic of Cancer, Tropic of Capricorn, Tropical and subtropical dry broadleaf forests, Tropical climate, Tropical disease, Tropical ecology, Tropical marine climate, Tropical rainforest, Tropical vegetation, Tropical year, Waterberg Biosphere, Wet season, World population, Zenith. Expand index (21 more) » « Shrink index
Air pollution occurs when harmful or excessive quantities of substances including gases, particulates, and biological molecules are introduced into Earth's atmosphere.
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Alpine tundra is a type of natural region or biome that does not contain trees because it is at high altitude.
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The Amazon rainforest (Portuguese: Floresta Amazônica or Amazônia; Selva Amazónica, Amazonía or usually Amazonia; Forêt amazonienne; Amazoneregenwoud), also known in English as Amazonia or the Amazon Jungle, is a moist broadleaf forest in the Amazon biome that covers most of the Amazon basin of South America.
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The Andes or Andean Mountains (Cordillera de los Andes) are the longest continental mountain range in the world.
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Argentina, officially the Argentine Republic (República Argentina), is a federal republic located mostly in the southern half of South America.
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The Atacama Desert (Desierto de Atacama) is a plateau in South America (primarily in Chile), covering a 1000-km (600-mi) strip of land on the Pacific coast, west of the Andes mountains.
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In astronomy, axial tilt, also known as obliquity, is the angle between an object's rotational axis and its orbital axis, or, equivalently, the angle between its equatorial plane and orbital plane.
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Biodiversity, a portmanteau of biological (life) and diversity, generally refers to the variety and variability of life on Earth.
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A biogeographic realm or ecozone is the broadest biogeographic division of the Earth's land surface, based on distributional patterns of terrestrial organisms.
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Biogeography is the study of the distribution of species and ecosystems in geographic space and through geological time.
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Chile, officially the Republic of Chile, is a South American country occupying a long, narrow strip of land between the Andes to the east and the Pacific Ocean to the west.
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Costa Rica ("Rich Coast"), officially the Republic of Costa Rica (República de Costa Rica), is a country in Central America, bordered by Nicaragua to the north, Panama to the southeast, the Pacific Ocean to the west, the Caribbean Sea to the east, and Ecuador to the south of Cocos Island.
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Deforestation, clearance, or clearing is the removal of a forest or stand of trees where the land is thereafter converted to a non-forest use.
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A desert is a barren area of landscape where little precipitation occurs and consequently living conditions are hostile for plant and animal life.
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The Desert climate (in the Köppen climate classification BWh and BWk, sometimes also BWn), also known as an arid climate, is a climate in which precipitation is too low to sustain any vegetation at all, or at most a very scanty shrub, and does not meet the criteria to be classified as a polar climate.
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Earth is the third planet from the Sun and the only astronomical object known to harbor life.
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El Yunque National Forest
El Yunque National Forest, formerly known as the Caribbean National Forest, is a forest located in northeastern Puerto Rico.
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Endemism is the ecological state of a species being unique to a defined geographic location, such as an island, nation, country or other defined zone, or habitat type; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere.
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An equator of a rotating spheroid (such as a planet) is its zeroth circle of latitude (parallel).
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The five main latitude regions of the Earth's surface comprise geographical zones, divided by the major circles of latitude.
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A hardiness zone is a geographic area defined to encompass a certain range of climatic conditions relevant to plant growth and survival.
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Intertropical Convergence Zone
The Intertropical Convergence Zone (ITCZ), known by sailors as the doldrums, is the area encircling Earth near the Equator, where the northeast and southeast trade winds converge.
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Köppen climate classification
The Köppen climate classification is one of the most widely used climate classification systems.
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Land, sometimes referred to as dry land, is the solid surface of Earth that is not permanently covered by water.
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In geography, latitude is a geographic coordinate that specifies the north–south position of a point on the Earth's surface.
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Madagascar (Madagasikara), officially the Republic of Madagascar (Repoblikan'i Madagasikara; République de Madagascar), and previously known as the Malagasy Republic, is an island country in the Indian Ocean, off the coast of East Africa.
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Madagascar dry deciduous forests
The Madagascar dry deciduous forests represent a tropical dry forest ecoregion situated in the western and northern part of Madagascar.
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Malaria is a mosquito-borne infectious disease affecting humans and other animals caused by parasitic protozoans (a group of single-celled microorganisms) belonging to the Plasmodium type.
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Mauna Kea is a dormant volcano on the island of Hawaii.
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The middle latitudes (also called the mid-latitudes, sometimes midlatitudes, or moderate latitudes) of Earth lie between 23°26'22" and 66°33'39" north, and between 23°26'22" and 66°33'39" south.
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The monsoon trough is a portion of the Intertropical Convergence Zone,Bin Wang.
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Mount Kilimanjaro or just Kilimanjaro, with its three volcanic cones, "Kibo", "Mawenzi", and "Shira", is a dormant volcano in Tanzania.
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The Neotropical realm is one of the eight biogeographic realms constituting the Earth's land surface.
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Nicaragua, officially the Republic of Nicaragua, is the largest country in the Central American isthmus, bordered by Honduras to the north, the Caribbean to the east, Costa Rica to the south, and the Pacific Ocean to the west.
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The Northern Hemisphere is the half of Earth that is north of the Equator.
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A nutrient is a substance used by an organism to survive, grow, and reproduce.
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The Outback is the vast, remote interior of Australia.
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The Paleotropical Kingdom (Paleotropis) is a floristic kingdom comprising tropical areas of Africa, Asia and Oceania (excluding Australia and New Zealand), as proposed by Ronald Good and Armen Takhtajan.
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Pierre Gourou (31 August 1900 – 13 May 1999) was a French geographer.
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Polar regions of Earth
The polar regions, also called the frigid zones, of Earth are the regions of the planet that surround its geographical poles (the North and South Poles), lying within the polar circles.
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In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravity.
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Puerto Rico (Spanish for "Rich Port"), officially the Commonwealth of Puerto Rico (Estado Libre Asociado de Puerto Rico, "Free Associated State of Puerto Rico") and briefly called Porto Rico, is an unincorporated territory of the United States located in the northeast Caribbean Sea.
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Rain is liquid water in the form of droplets that have condensed from atmospheric water vapor and then becomes heavy enough to fall under gravity.
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The Sahara (الصحراء الكبرى,, 'the Great Desert') is the largest hot desert and the third largest desert in the world after Antarctica and the Arctic.
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A savanna or savannah is a mixed woodland grassland ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close.
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Seasonal tropical forest
Seasonal tropical forest: also known as moist deciduous, semi-evergreen seasonal, tropical mixed or monsoon forests, typically contain a range of tree species: only some of which drop some or all of their leaves during the dry season.
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A semi-arid climate or steppe climate is the climate of a region that receives precipitation below potential evapotranspiration, but not as low as a desert climate.
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Shifting cultivation is an agricultural system in which plots of land are cultivated temporarily, then abandoned and allowed to revert to their natural vegetation while the cultivator moves on to another plot.
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Slash-and-burn agriculture, or fire–fallow cultivation, is a farming method that involves the cutting and burning of plants in a forest or woodland to create a field called a swidden.
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Soil is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life.
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South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa.
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South America is a continent in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere.
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The Southern Hemisphere is the half of Earth that is south of the Equator.
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The subsolar point on a planet is where its sun is perceived to be directly overhead (in zenith); that is where the sun's rays are hitting the planet exactly perpendicular to its surface.
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The subtropics are geographic and climate zones located roughly between the tropics at latitude 23.5° (the Tropic of Cancer and Tropic of Capricorn) and temperate zones (normally referring to latitudes 35–66.5°) north and south of the Equator.
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Summer is the hottest of the four temperate seasons, falling after spring and before autumn.
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The Sun is the star at the center of the Solar System.
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Tropic of Cancer
The Tropic of Cancer, also referred to as the Northern Tropic, is the most northerly circle of latitude on Earth at which the Sun can be directly overhead.
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Tropic of Capricorn
The Tropic of Capricorn (or the Southern Tropic) is the circle of latitude that contains the subsolar point on the December (or southern) solstice.
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Tropical and subtropical dry broadleaf forests
The tropical and subtropical dry broadleaf forest biome, also known as tropical dry forest, monsoon forest, vine thicket, vine scrub and dry rainforest is located at tropical and subtropical latitudes.
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A tropical climate in the Köppen climate classification is a non-arid climate in which all twelve months have mean temperatures of at least.
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Tropical diseases are diseases that are prevalent in or unique to tropical and subtropical regions.
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Tropical ecology is the study of the relationships between the biotic and abiotic components of the tropics, or the area of the Earth that lies between the Tropic of Cancer and the Tropic of Capricorn (23.4378° N and 23.4378° S, respectively).
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Tropical marine climate
A tropical marine climate is a tropical climate that is primarily influenced by the ocean.
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Tropical rainforests are rainforests that occur in areas of tropical rainforest climate in which there is no dry season – all months have an average precipitation of at least 60 mm – and may also be referred to as lowland equatorial evergreen rainforest.
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Tropical vegetation is any vegetation in tropical latitudes.
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A tropical year (also known as a solar year) is the time that the Sun takes to return to the same position in the cycle of seasons, as seen from Earth; for example, the time from vernal equinox to vernal equinox, or from summer solstice to summer solstice.
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The Waterberg (Thaba Meetse) is a mountainous massif of approximately in north Limpopo Province, South Africa.
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The monsoon season, is the time of year when most of a region's average annual rainfall occurs.
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In demographics, the world population is the total number of humans currently living, and was estimated to have reached 7.6 billion people as of May 2018.
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The zenith is an imaginary point directly "above" a particular location, on the imaginary celestial sphere.
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