geography key terms

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abiotic factors
the physical non living organism such as water, wind ,oxygen
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biotic factors
the living organisms found in an area
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detritovore
an animal that feeds on dead plant or animal
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organic material
something that was once living
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inorganic material
something that was never living
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soil
the top layer of the earth in which plants grow,contains both organic and inorganic material
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biomass
the amount of weight of living or recently living organisms
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nutrient cycle
the movement and exchange of organic and inorganic material into living matter
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food chain
a series of steps by which energy is obtained and used by living organisms
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food web
a network of food chains by which energy and nutrients are passed from one speices to another
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biodiversity
the number of species present in the area
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limiting factors
factors that limit biodiversity/population size such as temperature,moisture,light,nutrients
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structure
the structure of a tropical rainforest is the layers of plants and animals in the forest
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function
in a rainforst this is its ecosystem
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transpiration
evaporation of mositure from the leaves of the plant
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eutrophication
the growth of algae on water courses due to chemicals entering the water course
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monoculture
the growing of one crop on large areas of land
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overpopulation
too many people living in one area for the area to support
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N G O
non government organisation , a not for profit organisation and not in governmental control
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carbon credits
a permit that allows the holder to emit one tonne of carbon dioxide or other greenhouse gas and can be traded
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ecotourism
travel to natural areas that does no damage conserving the enviroment and improving the well being of local people
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altitude
height above sea level
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biosphere
the part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life
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distribution
where something is located
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ecosystems
a community of plants and animals and their non-living enviroment
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exploitation
the act of using natural resources
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finite resource
a resource that will eventually run out
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litter
decomposing leaf and other organic debris found on foresy floor
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resource
a stock or supply of something that is useful to people
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water cycle
the closed system in which water moves between the atmosphere ,the ocean and land
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aquaculture
the breeding of fish in pens under controlled conditions
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colonise
to become established in an area
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coniferous
trees that stay in leaf all year round - pine trees
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deciduous
broad- leaved trees such as oak and ash loose leaves in autumn and regrow in spring
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heathland
open countryside in lowland areas small shrubs as gorse and heather
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moorland
land that is not intensely farmed upland areas of the uk peaty and acidic soils
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wetlands
areas of low lying land that are wet and boggy somerset levels and the fens
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hibernate
to spend winter in close quarters in a dormant sleeping position
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short rotaion coppice
trees usually willow grown specifically to be used as biomass fuel densle harvested every 2 or 5 years
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ancient woodlands
contains trees that were planted before 1600
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afforestation
the planting of trees in an area that has not been forested before
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adaptations
the special characteristics that enable plants and animals to be successful in a particular enviroment
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biome
is made up of ecosystems
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broad leaved trees
deciduous trees which loose their leaves in winter such as oak and elm
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buttress roots
are large roots on all sides of a shallowly rooted tree ,typically found in poor nutrient rainforest soils and do not penetrate to deeper layers
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canopy
upper layer or habitat zone
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carbon credits
a permit which allows a country or organization to produce a certain amount of carbon emmisions and which can be traded if the full allowance is not used
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charactersistics
divided into 2 catergories : physical and human . phsyical characteristics describe the natural enviroment of the place
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climate change
along term movement in the wather patterns and average temperate experienced by the earth
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climate graph
graph that shows temperature as a line at the top and raifall in bars beneath on the same graph
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commerical
production and. supply of raw materials including agricultural output and finished goods.
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deserts
a barren area of land where little precipitation occurs
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ecotourism
Ecotourism is a type of sustainable development. The aim of ecotourism is to reduce the impact that tourism has on naturally beautiful environments. Any tourist destination can be harmed by increased levels of tourism.
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epiphytes
An epiphyte is an organism that grows on the surface of a plant and derives its moisture and nutrients from the air, rain, water (in marine environments) or from debris accumulating around it.
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leaching
Natural process by which water soluble substances (such as calcium, fertilizers, pesticides) are washed out from soil or wastes.
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lianas
ny of various usually woody vines that may climb as high as the tree canopy in a tropical forest.
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minerals
a solid naturally occuring non living substances such as cold or diamonds
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organic
Organic farming is a method of crop and livestock production that involves much more than choosing not to use pesticides, fertilizers, genetically modified organisms, antibiotics and growth hormones. ... provide attentive care that promotes the healt
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overfishing
Overfishing occurs when more fish are caught than the population can replace through natural reproduction. ... Billions of people rely on fish for protein, and fishing is the principal livelihood for millions of people around the world. For centuries
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precipitation
Precipitation is any type of water that forms in the Earth's atmosphere and then drops onto the surface of the Earth. Water vapor, droplets of water suspended in the air, builds up in the Earth's atmosphere. ... Precipitation is part of the water cyc
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recreation
Sport: A physical activity involving a set of rules or customs. The activity may be competitive. Tourism: Travel away from home for at least one night for the purpose of leisure (IB definition). ... Recreation: A leisure time activity undertaken volu
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resource
A resource is any physical material constituting part of Earth that people need and value. Natural materials become resources when humans value them. ... Some resources are finite, while others can be replenished at varying rates.
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runoff
Surface runoff (also known as overland flow) is the flow of water that occurs when excess stormwater, meltwater, or other sources flows over the Earth's surface. ... It is the primary agent in soil erosion by water.
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services
he supplying or supplier of utilities or commodities, as water, electricity, or gas, required or demanded by the public. 3. the providing or a provider of accommodation and activities required by the public, as maintenance, repair, etc.: The manufact
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short rotation coppice
hort rotation coppice (SRC) is coppice grown as an energy crop. This woody solid biomass can be used in applications such as district heating, electric power generating stations, alone or in combination with other fuels.
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sustainable management
sustainable management has been created to be defined as the application of sustainable practices in the categories of businesses, agriculture, society, environment, and personal life by managing them in a way that will benefit current generations
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temperate forest
forests found in temperate regions the main characteristics include wide leaves ,large and tall trees and non seasonal vegetation
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transpiration
is the process where plants absorb water through the roots and then give off water vapor through pores in their leaves. An example of transpiration is when a plant absorbs water in its roots.
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water cycle
the closed system in which water moves between the atmosphere ocean and land
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Other cards in this set

Card 2

Front

biotic factors

Back

the living organisms found in an area

Card 3

Front

detritovore

Back

Preview of the front of card 3

Card 4

Front

organic material

Back

Preview of the front of card 4

Card 5

Front

inorganic material

Back

Preview of the front of card 5
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