Lecture 17 Flashcards
Thousand Islands National Park
Rocks are not layered, they are granite and gneissic rock
Rock polypody
likes Canadian Shield rock, found here in a disjunct population
Marginal shield fern
likes rocky hillside, acidic rock primarily. On the margins of this plant are the spore cages
Common trees
Sugar maple, yellow birch, american beech, eastern hemlock, pines
Spring ephemerals
dutchmans breeches,
birds
scarlet tanagers, pileated woodpecker, barn owls
Shrubs
bladdernut and prickly ash
Where do giant swallowtails lay their eggs?
Prickly ash shrubs
Where are eastern amberwings found
Cranberry Lake
Eastern gray squirrel
many appear black but some are gray
Why is it warmer in the axis?
Lower elevation, weak lake effect, and it is a southern part of the Canadian Shield
Yellow throated Vireo
common here, much larger than the red throated vireo that is also found here
Tiny bird found here?
Blue gray gnatcatcher
Rare threatened bird found here?
Cerulean Warbler
Eastern Ribbon Snakes
common around beaver ponds
Gray Rat Snake
Up to 2m long, can climb trees. Threatened population, habitat has been destroyed.
Deerberry
Only found in the axis, very rare in Canada, species at risk
Pitch pine trees
Rare in Canada, pinky bark, in long strips.
Calciphillic plants
maidenhair spleenwort, poison ivy, trilliums
Superior gl st l egion
primarily metamorphic rocks. White and red pine and sugar maples are most common here.
Red breasted merganser
loves the superior glsl region, NOT an indicator species
Prairie glsl region
Wind effect is strong, rocky precambrian rocks, metamorphosed limestone, vrey flat region, although it is on the Canadian shield. Glacial lake agassiz left behind piles of sediments, resulting in flattened land. Low in elevation.