Unit 3 Geography Test Notes Flashcards
What system was implemented at the Niagara Escarpment quarries to support sustainability?
A groundwater recharge/refill system.
How does quarry restoration benefit ecosystems?
By feeding fish, planting vegetation, and engaging in water systems.
Define renewable natural resources & examples.
Resources that can replace themselves within one’s lifetime, e.g., water, oxygen, the sun.
Define non-renewable natural resources & examples.
Resources that cannot be replaced once used, e.g., minerals, gasoline, paper.
Name three groups of natural resources and examples from each.
Living: Fruits, vegetables.
Water: Used for drinking, washing.
Energy: Oil, wood, moving water.
What is the main source of hydrogen extraction?
95% of hydrogen comes from fossil fuels or wind energy.
Name two uses of hydrogen.
Heating homes and powering bikes/cars.
What percentage of Canada’s forests are softwood trees?
66%
What percentage of Canada’s forests are hardwood trees?
12%
What are the three types of logging?
Clear cutting, shelterwood, and selective cutting.
What are the problems with forestry?
Soil erosion, Habitat loss, clogged rivers.
Why are forests considered a renewable source ?
Forests are considered a s a renewable resource because you can cut down trees multiple times and they’ll still gro back.
What is “purse seine” fishing, and what is its impact?
Circling fish with a net; it crushes sea turtles in the catch.
What is “gill netting” fishing, and what is its impact?
Passing fish caught in the net; damages fish scales & skin during removal and catching.
What is “otter trawling” fishing, and what is its impact?
A sea-floor dragging net; changes the balance of species abundance.
What is Offshore?
Large ships, variety of gears, company-owned with 15% of fishers, who catch 90% of fish.