Lecture 18 Flashcards
lake of the woods: tree
Hills oak is found here
Prairie birds found here
Marbled godwits, black billed magpies, western meadowlarks, sandhill cranes, sharp tailed grouse
Prairie plants
prairie crocus and indian paintbrush
Mammals
white tailed jack rabbit, groundhogs, ground squirrels, badgers
Fish eating birds found here
cormorants, Franklin’s gulls, american white pelicans, yellow headed blackbirds
Rock found in the glsl lowland/Ottawa sl lowland
Sedimentary rock, younger than Canadian shield rock. Flat due to sedimentary rock and glacial deposits
Periodic flooding and drawdowns
Important elements of marsh ecology.
Aerobic bacteria
use oxygen to break things down
anaerobic bacteria
do not need oxygen to break things down
Lentic system
slow moving water, dragonflies like to lay their eggs here
Two types of cattails in ON
broad leaf, native species.
narrow leaf, non native species. Hybrid species is spreading throughout ON
How does marsh thing form
Roots get together and interlock, similar to sphagnum moss. They form their own nat, which is grounded, and plants grow on top, marsh ferns are particularly dominant here.
Common flower in cattail marshes
Wild iris
What are cattails food for?
Cattail moth caterpillars
Female muskrats
Sometimes kill neighbouring nests babies. Their tails help with swimming, they are flat from side to side to help with swimming, webbed feet. Use cattail marshes for their lodges, no sticks. Eat more than just plant materials, also eat clams