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BIOL 2903 > Lecture 12 > Flashcards

Lecture 12 Flashcards

1
Q

Northern border of CBB

A

Southernmost part of HBL - low elevation, flat, less clay, but has continuous coniferous forest

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2
Q

What do sand dunes indicate?

A

Former shoreline of the Tyrrell Sea

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3
Q

Jack pines are uncommon in the CBB, but they do grow on ___ ____ found there.

A

sand dunes

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4
Q

T/F: Most of the CBB is protected, so little development is occurring

A

False

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5
Q

T/F: Peatlands in the BF all have similar characteristics

A

F: can have muskeg (thick w/lots of water) and bogs/fens (continuous mats w/little water)

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6
Q

Great Lakes-St. Lawrence Lowlands (GLSL) characteristics

A
  • Avg. annual temp of 1-6C

- Blend of Boreal + Carolinian flora/fauna

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7
Q

Boreal species found in the GLSL include (7):

A
  • Balsam fir
  • White spruce
  • Canada jay
  • moose
  • Red Squirrel
  • snowshoe hare
  • black-backed woodpecker
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8
Q

Carolinian species found in the GLSL include (4):

A
  • Sugar maple
  • Gray Squirrel
  • Eastern cottontail
  • Red-bellied woodpecker
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9
Q

Needles of jack/white/red pine - characteristics

A

Jack Pine: short, groups of 2
White Pine: long, groups of 5
Red Pine: long, groups of 2

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10
Q

These species reach their southern range limits in the GLSL (3):

A
  • Spruce grouse
  • Green alder
  • Moose
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11
Q

These species reach their northern range limits in the GLSL (2):

A
  • Snapping turtle

- Five-lined skinks

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12
Q

T/F: the GLSL forest region is on two physiographic regions (if true, which two?)

A

T: Canadian Shield + GLSL

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13
Q

T/F: the GLSL has a lot of non-native species

A

True

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14
Q

T/F: there’s more biodiversity in the GLSL, as it has habitats on two different rock types

A

True

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15
Q

What factors can influence the introduction of non-native species?

A
  • Rock type
  • Elevation
  • Latitude/Longitude
  • Temp., precipitation
  • Humans
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16
Q

What regions of the GLSL forest region are on the GLSL physiographic region (2)?

A
  • Ottawa-St. Lawrence Lowland

- Great Lakes Lowland

17
Q

What regions of the GLSL forest region are on the Canadian Shield (4)?

A
  • Frontenac Axis
  • Superior GLSL
  • Western/Prairie GLSL
  • Algonquin Highlands
18
Q

Which provincial park encompasses most of the Algonquin Highlands?

A

Algonquin Prov. Park

19
Q

Describe the trees at different elevations in Algonquin Park:

A
  • Sugar maples, birch on top of hills
  • Trembling aspen, poplar at the bottom of hills
  • Black spruce, balsam fir on the ground
20
Q

Why are present-day elevations in the Algonquin Highlands lower than they were billions of years ago?

A

Large mountain range that was there was worn down by glaciation + erosion

21
Q

What is a batholith?

A

Massive body of igneous rock (over 100 square km in size) that rose up from underground

22
Q

Which side of Algonquin Park has a higher elevation? What are some of its characteristics as a result?

A

West; more precipitation, colder

23
Q

Why do rivers flow out of Algonquin Park in all directions? Is this the only place in ON where it occurs?

A

It’s located on top of a dome; yes

24
Q

At higher elevations/cold temperatures, there’s a lot of ____

A

mist

25
Q

Why wouldn’t you find Sparrow’s egg/Showy Lady’s slippers in Algonquin Park?

A

There’s no limestone in the Canadian Shield

26
Q

What kind of forest covers the western and eastern sides of Algonquin Park?

A

West: hardwood forest (deciduous trees)
East: pine forest

27
Q

Glacial history of Algonquin Park

A
  • Western hills received glacial till deposits as glaciers stopped/melted; retained moisture needed by hardwood trees
  • East side received large sand beds, which easily drain water
28
Q

A large amount of water flowed through Algonquin Park via a _______ ______ to the Ottawa River

A

fossmill outlet

29
Q

T/F: pine trees grow well in dry, sandy sites

A

True

30
Q

This river system (includes Lake Travers) has extensive sand beaches:

A

Petawawa

31
Q

WHy did the glacial spillway only leave outwash plains on the east side of Algonquin as it passed through?

A

West side was higher in elevation; water flowed through the east

32
Q

Rain shadow

A

Winds from the west (w/moisture) hit the highlands in the west first; high elevation = cold temp. + more precipitation

BIOL 2903 (24 decks)

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