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MONTANE ECOLOGY (moisture, elevation, snow)

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MONTANE ECOLOGY (moisture, elevation, snow). (Woody species, vegetation zones, disturbance, succession). MONTANE ECOLOGY (western ranges – wetter). e.g., Mission Valley. Vegetation. VALLEY BOTTOMS. Thinleaf (mountain) alder ( Alnus incana ). Willows ( Salix spp. ). Black cottonwood

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Presentation Transcript
slide1

MONTANE ECOLOGY

(moisture, elevation, snow)

(Woody species, vegetation zones, disturbance, succession)

slide2

MONTANE ECOLOGY

(western ranges – wetter)

e.g., Mission Valley

Vegetation

slide3

VALLEY BOTTOMS

Thinleaf (mountain) alder

(Alnus incana)

Willows

(Salix spp.)

Black cottonwood

(Populus trichcarpaa)

Narrowleaf cottonwood

(Populus angustifolia)

Eastern cottonwood

(Populus deltoides)

slide4

VALLEY BOTTOMS

Wood’s rose

(Rosa woodsii)

Rocky mountain juniper

(Juniperus scopulorum)

Chokecherry

(Prunus virginiana)

Box Elder

(Acer negundo)

slide5

VALLEY UPLANDS

Snow berry

(Symphocarpus occidentalis)

Future lecture

Wood’s rose

(Rosa woodsii)

Rabbitbrush

(Chrysothamnus nauseosus)

Rocky mountain juniper

(Juniperus scopulorum)

slide6

BASE NEAR LAKES

Western hemlock

(Tsuga heterophylla)

slide7

HIGHER HILLS

2-3 needle cluster

Long (4 – 8”)

Stout, stiff

Dark green

Western

larch

(Larix

occidentalis)

Ponderosa pine

(Pinus ponderosa)

Douglas fir

(Pseudotsuga menziesii)

slide8

HIGHER FORESTS

White spruce

(Picea glauca)

Mountain hemlock

(Tsuga mertensiana)

Engelmann spruce

(Picea engelmannii)

Subalpine fir

(Abies lasiocarpa)

slide9

ALPINE TUNDRA

Subalpine fir

(Abies lasiocarpa)

Bear grass

(Xerophyllum spp.)

Cottongrass

(Eriophorum spp.)

Sedges

(Carex spp.)

slide10

MONTANE ECOLOGY

(eastern ranges – drier)

Vegetation

e.g., Sweetgrass Hills

Future lecture

2 needle cluster

1.25 – 2.75”

Flattened and sometimes

twisted

Lodgepole pine

(Pinus contorta)

Big sagebrush

(Artemesia tridentata)

slide11

FOREST DISTURBANCES

BARK BEETLE

FIRE

WIND

AVALANCHES

& LANDSLIDES

Sitka alder

(Alnus viridis)

slide12

FOREST SUCCESSION

Rocky Mountain maple

(Acer glabrum)

Raspberry

(Rubus idaeus)

Willows

(Salix spp.)

Huckleberry

(Vaccinium membranaceum)

Quaking aspen

(Populus tremuloides)

White birch

(Betula papyrifera)

Thinleaf (mountain) alder

(Alnus incana)

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