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MONTANE ECOLOGY (moisture, elevation, snow)

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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MONTANE ECOLOGY (moisture, elevation, snow)

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  1. MONTANE ECOLOGY (moisture, elevation, snow) (Woody species, vegetation zones, disturbance, succession)

  2. MONTANE ECOLOGY (western ranges – wetter) e.g., Mission Valley Vegetation

  3. VALLEY BOTTOMS Thinleaf (mountain) alder (Alnus incana) Willows (Salix spp.) Black cottonwood (Populus trichcarpaa) Narrowleaf cottonwood (Populus angustifolia) Eastern cottonwood (Populus deltoides)

  4. VALLEY BOTTOMS Wood’s rose (Rosa woodsii) Rocky mountain juniper (Juniperus scopulorum) Chokecherry (Prunus virginiana) Box Elder (Acer negundo)

  5. VALLEY UPLANDS Snow berry (Symphocarpus occidentalis) Future lecture Wood’s rose (Rosa woodsii) Rabbitbrush (Chrysothamnus nauseosus) Rocky mountain juniper (Juniperus scopulorum)

  6. BASE NEAR LAKES Western hemlock (Tsuga heterophylla)

  7. 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)

  8. HIGHER FORESTS White spruce (Picea glauca) Mountain hemlock (Tsuga mertensiana) Engelmann spruce (Picea engelmannii) Subalpine fir (Abies lasiocarpa)

  9. ALPINE TUNDRA Subalpine fir (Abies lasiocarpa) Bear grass (Xerophyllum spp.) Cottongrass (Eriophorum spp.) Sedges (Carex spp.)

  10. 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)

  11. FOREST DISTURBANCES BARK BEETLE FIRE WIND AVALANCHES & LANDSLIDES Sitka alder (Alnus viridis)

  12. 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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