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  1. AP Environmental Science
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Glossary

B

Biodiversity

Criticality: 3

The variety of life in the world or in a particular habitat or ecosystem, encompassing genetic, species, and ecosystem diversity.

Example:

Maintaining a wide range of tree species, understory plants, and animal life within a forest is crucial for its Biodiversity, making it more resilient to disease and climate change.

C

Carbon Sequestration

Criticality: 3

The process of capturing and storing atmospheric carbon dioxide, often through biological processes like photosynthesis in plants and trees.

Example:

Mature forests are excellent at Carbon Sequestration, absorbing vast amounts of CO2 from the atmosphere and storing it in their biomass and soil, helping to mitigate climate change.

Climate Regulation

Criticality: 2

The process by which natural systems, such as forests and oceans, influence global and regional climate patterns, primarily through carbon cycling and water evaporation.

Example:

Forests contribute significantly to Climate Regulation by absorbing carbon dioxide, releasing oxygen, and influencing local temperatures and precipitation patterns.

I

Integrated Pest Management (IPM)

Criticality: 2

An ecosystem-based strategy that focuses on long-term prevention of pests or their damage through a combination of techniques such as biological control, habitat manipulation, modification of cultural practices, and use of resistant varieties.

Example:

In forestry, Integrated Pest Management might involve monitoring insect populations, introducing natural predators, and selectively removing diseased trees to control outbreaks without relying heavily on chemical pesticides.

P

Prescribed Burns

Criticality: 2

Controlled application of fire by a team of fire experts under specified weather conditions to a predetermined area, used to reduce fuel loads and promote forest health.

Example:

Forest managers conduct Prescribed Burns in fire-adapted ecosystems to clear out underbrush and deadfall, preventing more destructive, uncontrolled wildfires.

R

Reforestation

Criticality: 3

The process of replanting trees in areas where forests have been removed or destroyed, either naturally or by human activity.

Example:

After a wildfire, extensive Reforestation efforts are often undertaken to help the ecosystem recover, prevent soil erosion, and restore wildlife habitat.

Reusing Wood

Criticality: 1

The practice of finding new applications for existing wood products instead of discarding them, thereby reducing the demand for new timber.

Example:

Instead of buying new lumber, a carpenter might practice Reusing Wood by salvaging old barn planks to build a rustic dining table, reducing waste and conserving resources.

S

Sustainable Forestry

Criticality: 3

The practice of managing forests to meet the needs of the present without compromising the ability of future generations to meet their own needs, balancing economic, social, and environmental considerations.

Example:

A logging company that practices Sustainable Forestry might selectively harvest trees, replant extensively, and protect riparian zones to ensure the forest remains healthy and productive for centuries.

T

Timber

Criticality: 1

Wood that has been prepared for use in building or carpentry, or trees that are grown for wood production.

Example:

Sustainable forestry practices ensure a continuous supply of Timber for construction and furniture, without depleting forest resources.

W

Water Quality

Criticality: 2

The chemical, physical, and biological characteristics of water, often assessed in terms of its suitability for a particular purpose like drinking or supporting aquatic life.

Example:

Forests play a vital role in maintaining high Water Quality by filtering pollutants and regulating stream flow, ensuring clean drinking water for downstream communities.

Wildlife Habitat

Criticality: 2

The natural environment where an organism lives, providing all the necessary resources for its survival, such as food, water, shelter, and space.

Example:

Protecting old-growth sections and diverse tree stands within a forest is essential for preserving critical Wildlife Habitat for species like spotted owls and black bears.