Term
|
Definition
| concerned with the movement of energy and materials through organisms and their communities |
|
|
Term
|
Definition
| movement of energy through the echosystem. feeding relationships called food webs |
|
|
Term
|
Definition
| a quantitative estimate of the total mass ofliving matter in a given area g/m or kg/m |
|
|
Term
|
Definition
| availabilty of scarce chmical or mineral |
|
|
Term
|
Definition
|
|
Term
|
Definition
| each feeding level. only 5 max chain length. |
|
|
Term
|
Definition
| the %age of energy assimilated by an organism that becomes incorporated into new biomass. net productitvity/assimilation x 100 |
|
|
Term
|
Definition
| production at trophic leve/production at tropic leve n-1 x100. amount of energy at one trophic level that is acquired aby the trophic level above adn incoproated into biomass |
|
|
Term
|
Definition
| number of individual decreases at each tropic level |
|
|
Term
| inverted pyramdid of numbers |
|
Definition
| based on organism living on an oak tree |
|
|
Term
|
Definition
| when amount of biological material is used instead of numbers od individuals |
|
|
Term
| inverted pyramid of biomass |
|
Definition
|
|
Term
|
Definition
| in the english channel. rates of production |
|
|
Term
|
Definition
| the accumulation of build up as trophic levels increase ex: ddt |
|
|
Term
|
Definition
| netprimary production = gross primary production minus energy release in plant respiration |
|
|
Term
|
Definition
| energy that is available to primary consumers |
|
|
Term
| influences on primary production |
|
Definition
| water, temp, and nutrient |
|
|
Term
| primary production in water |
|
Definition
| is limited by light and nutrient |
|
|
Term
|
Definition
| most abudant in warm and moist areas |
|
|
Term
|
Definition
| is limited by primary production availabiility |
|
|
Term
|
Definition
| invovle element with no mechanism for long disttance transfer |
|
|
Term
|
Definition
| invovle an interchange between the atmospher and the ecosystme. (carbon, nitrogen, sulfur) |
|
|
Term
| phosphorus cycles local between geological and biological |
|
Definition
| Phosphorus is used as atp, dna, rna. earths crust, erosion release phosphorus into soil, plants absorb, herbivores, carnivores, excrete waste or die, decomposers, release phos back into soil. |
|
|
Term
|
Definition
| depletion of water oxygen by human ex: fertilizer, sewage dump |
|
|
Term
| carbon cycle among bio, geo, and atm pool |
|
Definition
| co2 is present in air, autotrophs, photosynthesis, decomp of plants release co2 in air, eating plants and breathing co2, overtime shell contian co2, fossil fuel, volcanos, |
|
|
Term
| nitrogen cycle by bio processe (nnaad) |
|
Definition
| nitrogen used in nucleotides, protein, chlorphyll. nitrogen fixation, nitrification: soil bacteria form so plants can use, assimilation: used by plants and animals, ammonifiation:formed in soil through decompistioin of plants and animals and animal wast, denitrification: return to atmospher as gas. |
|
|
Term
| sulfer cycel is influnece by human activies |
|
Definition
| most come for volcanic eruptions as h2s. h2s is oxidized to so2, so2 goes to earth as acid rain, enter soil, bacteria reduce release as h2s, in presenence of iron it goes to rocks, rocks discharge sulfer, bacteria makes sulfurous gas, condese, and form water droplets, makes clouds, cools off temp |
|
|
Term
| water cycle physical process: evaporation and precipiation |
|
Definition
| physical fueled by suns energy.evaporation of water from ocean, evapotranspiraton from the land, followed by condensation of water vapor into clouds, and precipitation. bodies of water, atmosphere, and land. |
|
|
