ENSP Soils and Terrestrial Ecosystems Unit
What are the primary components of Soils contain living and non-living matter, including primary and secondary
soil? minerals.
Soils serve as a medium for plant growth and provide essential services, incl
What role do soils play in plant growth?
water percolation.
What is a consequence of urbanization Urbanization leads to increased paving over soil, resulting in runoff and redu
on soil? water absorption, which can cause flooding.
What is the significance of Rachel It emphasizes that the thin layer of soil is crucial for the existence of all terre
Carson's quote about soil? life.
How should soils be viewed in terms of Soils should be viewed as a reservoir of valuable resources that are both for
sustainability? and lost over time.
What are the inputs that contribute to soil Inputs include plant material breaking down rock, the decomposition of
formation? organisms, and atmospheric contributions like nitrogen.
Soil forms through physical and chemical weathering, combined with organi
What processes contribute to soil
matter and atmospheric inputs (Atomspheric deprovosion, or where plants
fertility?
dust out of air into soil).
Soil erosion is the physical loss of soil caused by gravity, water, wind, and ice
What is soil erosion?
leading to issues like pollution and reduced agricultural productivity.
involves leaving crop stubble on the ground to promote infiltration and redu
What is no-till agriculture?
soil erosion
, ENSP Soils and Terrestrial Ecosystems Unit
Moss and lichen --> organic matter, broken rock, and mineral fragments -->
What is the process of creating soil?
organic matter --> stored carbon, organic matter
Factors include climate, parent rock/material, organic matter types, slope, an
What factors control soil fertility?
time.
Climate influences soil through precipitation and temperature, with too much
How does climate affect soil formation?
washing away nutrients.
most fertile soils, typically found where precipitation is balanced for optimal
What are mollisols?
growth.
aluminum-rich soils found in equatorial regions, generally characterized by l
What are laterites?
fertility.
What is a chronosequence in soil studies? sequence of soils that differ only in age, used to study long-term soil change
What is the global average rate of soil approximately 1.5 mm/year.
erosion?
What are the major threats to soils disrupts soil processes and harms organisms essential for nutrient cycling.
described by Rachel Carson?
What is an example of soil pollution? Nuclear bomb testing has led to radioactive fission products infiltrating the s
What is biodiversity? variety of life in all its forms and levels, encompassing natural variation.
enhances ecosystem resilience, health, and provides essential ecosystem
Why is biodiversity important?
services.
What are the primary components of Soils contain living and non-living matter, including primary and secondary
soil? minerals.
Soils serve as a medium for plant growth and provide essential services, incl
What role do soils play in plant growth?
water percolation.
What is a consequence of urbanization Urbanization leads to increased paving over soil, resulting in runoff and redu
on soil? water absorption, which can cause flooding.
What is the significance of Rachel It emphasizes that the thin layer of soil is crucial for the existence of all terre
Carson's quote about soil? life.
How should soils be viewed in terms of Soils should be viewed as a reservoir of valuable resources that are both for
sustainability? and lost over time.
What are the inputs that contribute to soil Inputs include plant material breaking down rock, the decomposition of
formation? organisms, and atmospheric contributions like nitrogen.
Soil forms through physical and chemical weathering, combined with organi
What processes contribute to soil
matter and atmospheric inputs (Atomspheric deprovosion, or where plants
fertility?
dust out of air into soil).
Soil erosion is the physical loss of soil caused by gravity, water, wind, and ice
What is soil erosion?
leading to issues like pollution and reduced agricultural productivity.
involves leaving crop stubble on the ground to promote infiltration and redu
What is no-till agriculture?
soil erosion
, ENSP Soils and Terrestrial Ecosystems Unit
Moss and lichen --> organic matter, broken rock, and mineral fragments -->
What is the process of creating soil?
organic matter --> stored carbon, organic matter
Factors include climate, parent rock/material, organic matter types, slope, an
What factors control soil fertility?
time.
Climate influences soil through precipitation and temperature, with too much
How does climate affect soil formation?
washing away nutrients.
most fertile soils, typically found where precipitation is balanced for optimal
What are mollisols?
growth.
aluminum-rich soils found in equatorial regions, generally characterized by l
What are laterites?
fertility.
What is a chronosequence in soil studies? sequence of soils that differ only in age, used to study long-term soil change
What is the global average rate of soil approximately 1.5 mm/year.
erosion?
What are the major threats to soils disrupts soil processes and harms organisms essential for nutrient cycling.
described by Rachel Carson?
What is an example of soil pollution? Nuclear bomb testing has led to radioactive fission products infiltrating the s
What is biodiversity? variety of life in all its forms and levels, encompassing natural variation.
enhances ecosystem resilience, health, and provides essential ecosystem
Why is biodiversity important?
services.
