PA Salmonoids
Where do alevins get their food?
An area or ridge of land that separates waters flowing to different rivers, basins, or seas.
What is a watershed?
A method used to categorize streams and rivers based on size and location within a watershed
What is Stream Order?
water temperature 52-56°F
What is Cold Water?
Brook trout are in the salmonoid family however they are most closely related to...
Char
These lines show how the elevation of the landscape changes.
What are contour lines?
a small stream that flows into a larger stream or river
A tributary
Water the has no chlorination, no sedimentation, pH = 7, low levels of ammonia and nitrites
What is Clean Water?
which trout is the only trout to spawn in the spring?
What is a rainbow trout?
These are on the bottom margin of the topographical written as a ratio.
What is a map scale?
must have at least two first order streams flowing into it
Second Order Stream
High level of dissolved oxygen (DO) (above 7 ppm)
What is Oxygenated Water?
Invasive species that only affects brook trout
What are Gill Lice?
When mapping a watershed you would connect?
The high points (Mountains, hills)
must have at least two second order streams flowing into it and so forth
Third Order Stream
macro-invertebrates, crustaceans, terrestrial insect life & other fish (sometimes their own young)
What do trout eat to survive?
What are some drawbacks to genetically crossbred trout?
It makes them highly visible to predators due to the disruption in camouflage.
Where does the water in your watershed flow to once it leaves Scranton High School?
Lackawanna River to the Susquehanna River
How biological communities form is dependent on the upstream influences
What is the RCC
gravel, boulders/woody debris, shallow pools, stream bank vegetation
What is trout Habitat/ Shelter?