Test
Exam 1 Study Guide
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Preguntas del test (23)
1Mineral surface horizon, organic matter content usually > 25cm, base saturation > 50%
- AMollic
- BOchric
- CMelanic
- DHistic
- EUmbric
2Low organic matter content
- AMollic
- BUmbric
- COchric
- DMelanic
- EHistic
3High in organic matter, high in humus content, and carbon > 6%
- AMollic
- BOchric
- CMelanic
- DHistic
- EUmbric
4Tend to form in wet places, organic matter accumulation
- AMollic
- BUmbric
- COchric
- DMelanic
- EHistic
5Similar to mollic, but base saturation is < 50 and develops where there is more rainfall
- AMollic
- BUmbric
- COchric
- DMelanic
- EHistic
6Clay accumulation
- AArgillic horizon
- Bnatric horizon
- Ckandic horizon
- Doxic horizon
- Espodic horizon
- Falbic horizon
7Clay accumulation, usually occurs when water dries to a columnar structure, high sodium content
- AArgillic horizon
- Bnatric horizon
- Ckandic horizon
- Doxic horizon
- Espodic horizon
- Falbic horizon
8iron oxides and aluminum oxides, found in humid/ tropical environments
- Aargillic horizon
- Bnatric horizon
- Ckandic horizon
- Doxic horizon
- Espodic horizon
- Falbic horizon
9high in iron and aluminum oxides
- Aargillic horizon
- Bnatric horizon
- Ckandic horizon
- Doxic horizon
- Espodic horizon
- Falbic horizon
10lot of leaching which attributes to the light color, there is a distinct layer of accumulation
- Aargillic horizon
- Bnatric horizon
- Ckandic horizon
- Doxic horizon
- Espodic horizon
- Falbic horizon
11similar to spodic but lacking accumulation
- Aargillic horizon
- Bnatric horizon
- Ckandic horizon
- Doxic horizon
- Espodic horizon
- Falbic horizon
1216.3% of global
found in sub Saharan Africa
little profile development
- AEntisols
- BGelisols
- CAlfisols
- DUltisols
13Few diagnostic features
inception of b horizon
9.9 % of global
ochric surface horizon
- AGelisols
- BInceptisols
- Cspodisols
- DAlfisols
14volcanic ash soils
0.7 % of global
common in the Andes Mountains
- Ahistosols
- Bandisols
- Cspodosols
- Dalfisols
15Permafrost and frost churning
found in arctic regions
8.6 % of global
- AGelisols
- BAndisols
- CUltisols
- DHistosols
161.2 % of global
mostly organic material
found in the sub-arctic
organic soils without permafrost
- Ahistosols
- Bgelisols
- Centisols
- DVertisols
1712.7% of global
ochric horizon
limited plant growth
found in deserts
dry soils
- Aaridisols
- Balfisols
- Cgelisols
- Dspodosols
18Dark swelling and cracking clays
2.4% of global
Dark from basalts
30% clay content
- Avertisols
- Bhistosols
- Cinceptisols
- Doxisols
19dark soft soils
found in grasslands
6.0% of global 22.4 % of U.S.
high in humus
mollic horizon
- Amollisols
- Bvertisols
- Chistosols
- Doxisols
20argillic or natric horizon
9.6% of global
kandic horizon, sometimes ochric or umbric
Strongly weathered
found in humid/temperate/mediterrainal environments
- Aalfisols
- Bvertisols
- Cultisols
- Doxisols
21argillic horizon
8.5% of global
highly leached
red hue
kandic horizon
- Aultisols
- Bentisols
- Coxisols
- Dhistosols
22acid, sandy, forest soils, highly leached
2.6% of global
Usally found under coniferous forests
colder climates
complex soil layers
spodic horizons
albic
- Aspodisols
- Boxisols
- Cmollisols
- Dvertisols
23oxic horizon
highly weathered
7.6% of global and .01% of U.S.
highest weathered
ochric horizon
high in clay
- Aoxisols
- Bmollisols
- Cinceptisols
- Dandisols
Información
- Descripción
- Science Test sobre Exam 1 Study Guide, creado por Ryan Reed el 04/02/2018.
- Autor
- Ryan Reed
- Idioma
- English
- Visitas
- 11
- Etiquetas
- Valoración
- Aún sin valoraciones Valora este test