2896273
Descripción
Mapa Mental por Dale Lewis, actualizado hace más de 1 año
|
Creado por Dale Lewis
hace casi 9 años
|
|
Formation of Soil
- Five major influences on soil
formation
- nature of the original parent
material, weathering, climate, land
surface features, and the action of
plants and animals
- These factors determine the physical and
chemical properties of various kinds of soil.
- These factors determine the physical and
chemical properties of various kinds of soil.
- nature of the original parent
material, weathering, climate, land
surface features, and the action of
plants and animals
- Temperature and precipitation are the main
weathering and climatic factors that affect
soil development.
- Parent material is the basic
mineral and organic
material from which the soil
is formed.
- There are three kinds of
parent material:
transported, residual, and
organic.
- The residual parent material from
which soil is formed is loose, slightly
weathered rock called regolith.
- There are three kinds of
parent material:
transported, residual, and
organic.
- The greater the weathering
processes at work, the finer the
particles of soil that result.
- These particles
range from gravel
to sand, silty
material, and,
finally, clay.
- These particles
range from gravel
to sand, silty
material, and,
finally, clay.
- Soil is enriched by the wastes
and decayed bodies of animals.
- Many insects directly enrich
the soil by fertilizing flowers,
thus aiding the spread of
plant life.
- Some animals—ants and
earthworms, for example—help
by mixing the soil.
- Many insects directly enrich
the soil by fertilizing flowers,
thus aiding the spread of
plant life.
- Plants and
animals also
help
develop soil.
- Land surface features affect soil development
by controlling the amount of erosion of topsoil
and by influencing how water drains into the
soil.
¿Quieres crear tus propios Mapas Mentales gratis con GoConqr? Más información.