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Other need to know
Cards in this deck (30)
- 1K StrategistSlow reproduction rate
Very genetically variable
Established plants - 2R StrategistFast Reproduction
Genetically identical
Start of seres
Pioneering plant - 3Illite10Å
2:1 non-swelling
K ions
Isomorphic potential
Moderate CEC (10-40 mmol/100g) - 4Kaolinite7.2Å
1:1 non-swelling
No isomorphic potential
Low CEC (3-15 mmmol/100g) - 5Montmorillonite14Å
2:1 swelling
Isomorphic potential
High CEC (80-150 mmol/100g) - 6Fidelitynp-µ
U=------------
std deviation - 7Fidelity LevelsExclusive, Selective, Preferential, Indifferent, Accidental
- 8CatenaA chain of soils linked by topography. Sequence of soils in different positions in the landscape
- 9Catena Positions1 - Elluvial
2,3,4 - Colluvial
5 - Alluvial (illuvial) - 10Particle Size (Sand, SIlt, Clay)Sand - 0.02 - 2.0mm
Silt - 0.002 - 0.02mm
Clay < 0.002 mm - 11What is azonal soil? Examples?Found within zonal distribution but lack of developed characteristics
Lithosol - Very young
Regosol - Rocky
Alluvial - Rivers
Andisol - Volcanos - 12Sere Definition and examplesAn intermediate stage in an ecosystem prior to advancing to the point of being a climax community.
Hydrosere - Water
Psammosere - Coastal
Sand dunes, lakes, fire sites, lava flows, landslides. - 132 Kinds of global soilPedalfer - Rich in alumina with no carbonates (Precipitation > Evaporation)
Pedocal - Definite hardened layer of carbonates. Calcium-rich (Evaporation > Precipitation) - 14MicelleFormation that is combination of clay particles and humus
- 15ChromaIntensity of distinctive hue
- 16Darkness equationValue X Chroma
- 17Munsell Redness Equation((10- Hue) * Chroma)/ Value
- 18Thornthwaite's climate indices(Precipitation/Evaporation) * 10
or
(9x mean monthly temp) / 20
(0 is permafrost, 128 is tropical) - 19Calcifuge Example?Plants that cannot live on soils with high calcium content
Calluna vulgaris, Sorbus Acuparia, Ericaceae family - 20Calcicole Example?PLants which require high calcium. Thrives in lime-rich
Clematis vitalba, Euonymus europaeus - 21DAFOR ScaleD- Dominant
A- Abundant
F- Frequent
O- Occasional
R- Rare - 22Domin ScaleScale describing the cover of a species in a vegetation community.
- 23Intrazonal Soils Examples?Reflect local dominance of a single soil forming factor
Calcimorphic
Hydromorphic
Halomorphic - 24Humus Different types in UKDark organic material
Mull - Well aerated
Mor - Black (Nutrient poor)
Moder - Intermedia (not important)
Peat - Extreme organic matter. Anaerobic - 25Solonchack Sononetz SolodWhite alkali soil. High salt concentration Gleyed
Leached solonchak, clay starts to disintegrate
Increased acidic. sandy as clay lost - 26RendzinaClacimorphic soils found in UK on chalk
- 27Mountain soils significanceMore acidic due to high rainfall
- 28Arctic soils significanceBlack or brown humus rich A horizon
Algal layer crust on top
Impermeable permafrost layer
Gley C horizon - 29MychorrhizaA fungus which grows in association with the roots of a plant in a symbiotic relationship
- 30ClORPT...Cl - CLimate
O - Organisms
R - Topography
P - Parent Material
T - Time
... - Other factors
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- Undergraduate Geoecology Flashcards on Other need to know, created by Sarah Casanova on 29/05/2018.
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- Sarah Casanova
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