Forestry and Soil Science Concepts

The video introduces a new unit on land resources, covering topics like rangelands, farmland, wetlands, and urban areas. It emphasizes the importance of forests and sustainable forestry practices, discussing ecosystem services and the impact of deforestation. The video also introduces soils and minerals, explaining their role in ecosystems.

What percentage of the total land area in the US is made up of rangelands?

• 30%

• 20%

• 10%

• 40%

Which of the following is NOT a service provided by forests?

• Providing habitat for wildlife

• Increasing air pollution

• Improving water quality

• Reducing soil erosion

What is a key characteristic of a monoculture in forestry?

• Variety of tree species

• High biodiversity

• Low biodiversity

• No use of pesticides

Which practice is NOT considered sustainable in forestry?

• Seed tree cutting

• Selective cutting

• Shelterwood cutting

• Clear cutting

What is a major cause of deforestation in tropical forests?

• Industrialization

• Subsistence agriculture

• Urbanization

• Tourism

Which country is heavily dependent on boreal forests for its economy?

• Brazil

• Canada

• Australia

• India

What is the primary component of soil that determines its type?

• Organic matter

• Water content

• Mineral matter

• Air content

Which process involves the breakdown of rocks into soil or sediment?

• Deposition

• Compaction

• Erosion

• Weathering

What type of rock is formed from cooling molten magma or lava?

• Sedimentary

• Metamorphic

• Igneous

• Clastic

Which type of metamorphism is associated with tectonic plate boundaries?

• Thermal metamorphism

• Regional metamorphism

• Contact metamorphism

• Dynamic metamorphism