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Biogeochemical cycles

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Macronutrient
A nutrient that is essential for life in large quantities.
Micronutrient
A nutrient that is essential for life in small quantities or is only essential for some speices.
Residence Time
Time that a nutrient spends in any specific resivoir.
Flux/Rate of Transfer
The rate in which a nutrient goes in or out of a resivoir.
Limiting Factor
A factor, either too much or too little, of a nutrient that limits growth.
Evaporation
Water changing state from a liquid to a gas.
Condensation
Water changing from a gas to a liquid.
Precipitation
Water changing from a gas to a liquid or solid.
Respiration
The release of water from animals.
Run-off
Water moving down stream or down-slope, usually toward a larger source of water.
Percolation
Water seeping through the ground into the underground water table.
Consumption
Living things consuming water or substances that have water in them.
Transpiration
The release of excess water from plants.
CO2
Carbon Dioxide, gaseous
C6 H12 O6
Glucose, sloid, basis of all sugars
CH4
Methane or "Natural" Gas
CO3-2 and HCO3-1
Carbonate and Bicarbonate Ions
Photosynthesis
process by which plants use the sun's energy to convert water and carbon dioxide into food
Cellular Respiration
the process through which cells produce energy from carbohydrates
Assimilation/Biosynthesis
Eating
Lithification
The process in which rocks are formed from organic sediment.
Decompostition
The breakdown of organic materials, preformed by bacteria.
Combustion
The burning of any substance with oxygen as a reactant.
Uplifting/Weathering/Erosion
The physical breakdown of rocks via wind water etc.
PO4-3
Phosphate Ion, solid
Eutrophication
The excess in concentration of some nutrients, particularly phosphorous or nitrogen, which causes algae blooms and dead spots.
N2
Atmospheric Nitrogen gas.
NO3-1
Nitrate Ion
NO2-1
Nitrite Ion
NH3
Ammonia, gas
NH4+1
Ammonium Ion
N2O
Nitrous Oxide or Dinitrogen monoxide
Nitrogen Fixation
the process in which bacteria converts atmospheric nitrogen gas to ammonia
De-nitrification
the process in which nitrogen is returned to the atmosphere
Leeching
The removal of nutrients in soil, as water percolates through the soils the soils leech out the nutrients and bacterias.
Ammonification
The process in which bacteria convert organic waste to ammonia
Nitrification
the process in which ammonium is converted into nitrate ions
Igneous Rock
A type of rock that forms when molten rock hardens
Sedimentary Rock
A type of rock that forms when sediments are compacted and cemented together.
Metamorphic Rock
A type of rock that forms when an existing rock is changed by heat, pressure, or chemical reactions