Unit 3 Geography Test Notes Flashcards
(42 cards)
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.
What Is Inshore?
Carry small boats and limited gear, employ 80% of self-employed fishers who catch 10% of fish.
Why are the Grand Banks a popular fishing location?
Nutrient-rich water supports abundant fish and plankton.
What happened to the population of Newfoundland when the cod fishery closed?
Around 30,000 jobs were lost, and 60,000 Newfoundlanders left the province over the next 10 years.
Which population pyramid does the closure of the cod fishery relate to?
It relates to a constrictive pyramid.
What does TAC stand for, and how is it related to fishing?
TAC stands for “Total Allowable Catch,” which limits fishing volumes.
What are Canada’s five main agricultural products?
Grain & Oilseeds (34%), Red Meats (27%), Dairy (12%), Horticulture (9%), Poultry & Eggs (8%).
What percentage of Canada’s land is suitable for agriculture?
Only 11%
Why is farmland considered non-renewable?
Farmland cannot be replenished once soil is sealed or urbanized.