Forest under threat Flashcards
Abiotic
non-living part of a biome, includes the atmosphere, water, rock and soil
Acid rain
rain with a pH lower than 5.7
Afforestation
the planting of trees
Agroforestry
growing trees and crops together to maintain biodiversity of agricultural land
Biodiversity
the number of different plant and animal species in an area
Biofuels
any kind of fuel made from living things, or from the waste they produce
Biomass
renewable organic materials such as wood, agricultural crops or wastes, when used as a source of fuel or energy
Biotic
living part of a biome, made up of plant (flora) and animal (fauna) life
Boreal forest
the taiga – the world’s largest land biome
Clear-cutting
the logging of all trees in a wide area of forest
Climate
the average weather conditions over a 30-year period
Coniferous tree
type of tree which includes pine, spruce and fir, which grow tall and narrow to form a dense canopy
Conservation
protecting threatened biomes, e.g. setting up national parks or banning trade in endangered species
Deforestation
the deliberate cutting down of forests to exploit forest resources (timber, land or minerals)
Detritivores
animal which feeds on dead or decaying plant and animal matter
Drought
a long, continuous period of dry weather
Ecotourism
small-scale tourism that attracts visitors that are interested in wildlife and culture
Epiphytes
plants that live in the canopy on trees and have evolved to get all their nutrients from water and air rather than soil
Geographical conflict
disagreement and differences of opinion linked to the use of places and resources
Geographical Information
Systems (GIS)
a form of electronic mapping that builds up maps layer by layer
Global warming
the increase of Earth’s temperatures, also known as the
greenhouse effect
Hydroelectric power (HEP)
electricity generated by turbines that are driven by moving water
Invasive species
(or alien species) – a plant, animal or disease introduced from one area to another which causes ecosystem damage
Leaching
when nutrients are washed out of the soil by water moving through it