Portland Watersheds
The watershed Portland gets its drinking water from.
What is the Bull Run Watershed?
An area of land where the surface water and the groundwater drain into a large body of water.
What is a watershed?
The age considered to be an old growth tree.
What is 150 years old?
This fish almost went extinct due to overfishing, but is a crucial part of the PNW's healthy water ecosystem.
What is a lamprey?
This mechanism at the Bonneville dam provides a series of steps that salmon can climb as they return to spawn upstream on the Columbia River.
What is a fish ladder?
Name 2 ways you are affected by your local watershed.
What is access to nature, protect home & businesses from climate change, create, flood risk to my house, my drinking water?
Name for when pollutants are introduced into the environment over a large, widespread area such as agricultural runoff
What is non-point pollution?
It is ________ cooler on the forest floor in an old growth forest than outside of it
What is about 20 degrees cooler in an old growth?
Name 3 kinds of conifers.
What are: Douglas fir, spruce, lodgepole pine, ponderosa, larches, western red cedar, redwood?
The Columbia River was formed between 6 & 17 million years ago due to the name of this flood
What are the missoula Floods?
Name the 5 Portland area watersheds
What are Fanno Creek, Columbia Slough, Johnson Creek, Willamette River, Tryon Creek?
This map is the shape of the land determined by the elevation.
What is a topographical map?
The 4 characteristics of an old growth forest
What are woody debris, snags, layers, old trees?
What is oregon grape and its roots can be used for boiled tea as medicine, berries for dye.
The Columbia river has this many dams along the entirety of the river
What is 60+?
This is the term for Gresham's waste water treatment plant as a site that produces more energy than it uses, saving the City an estimated $500,000 a year in electricity costs.
What is energy net zero?
This makes up only 3% of all Earth's water.
What is fresh water?
Name a location/forest of an old growth forest in Oregon.
What is Silver Falls, Salmon-Huckleberry Wilderness, Opal Creek, Cape Perpetua, so many!!?
The difference between hatchery salmon & wild salmon.
What is adipose fin is removed?
The Bonneville Lock & dam was chosen in its particular spot for this reason.
What is to transform the Columbia River into an easily navigated water highway for large ocean vessels?
The main resevoirs for holding drinking water in the city (1 of east side, 1 on west).
What is Powell Butte & Washington Park?
The process when water changes from a solid to a gas without first becoming a liquid
What is sublimation
Name 5 reasons old growth forests are crucial to the environment.
What are: sequester carbon, protect species, provide & filter water, improve air quality, diversity of plant & animal life, stabilize extreme weather patterns, provide recreation to people?
Describe the Salmon Life Cycle.
-River: eggs, hatch, become frys, go to estuary for rearing, go to ocean, mature, migrate to river for spawning
Name 2 reasons dams are positive & 2 negative impacts of dams
What are:
positive: hydropower, water storage, navigation, flood control
negative: habitat disruption, siltation, flooding, ecological harm, ground water impacts,