Rangeland Ecosystems of Idaho

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Presentation transcript:

Rangeland Ecosystems of Idaho Created by Jennifer Peterson In Cooperation With Idaho Rangeland Resources Commission and the University of Idaho - Rangeland Ecology & Management Department There are 36 slides in this presentation

Objectives Define rangeland ecosystems Discuss factors that create different ecosystems, biomes, and ecoregions Identify and describe ecoregions of Idaho There are 36 slides in this presentation

What is an “Ecosystem” “a community of plants, animals, and microorganisms that are linked by energy and nutrient flows and that interact with each other and with the physical environment ” -National Geographic Magazine There are 36 slides in this presentation

Examples of Ecosystems Rainforest Desert Grassland Coral Reef Rotting Log There are 36 slides in this presentation

What is a Biome? A very large ecosystem that occupies a distinct region. Terrestrial biomes include: grassland, tundra, desert, tropical rainforest, deciduous forest and coniferous forests. There are two basic aquatic biomes: freshwater and marine There are 36 slides in this presentation

Rangelands of the Earth There are 36 slides in this presentation

Rangelands of North America RANGELAND These Ecosystems are Types of There are 36 slides in this presentation

What creates different biomes? Precipitation Temperature Also … Soils Topography Robert Whittaker’s classification of biomes, based on annual precipitation, temperature There are 36 slides in this presentation

What creates different biomes? Precipitation Temperature Also … Soils Topography These are RANGELANDS Robert Whittaker’s classification of biomes, based on annual precipitation, temperature There are 36 slides in this presentation

There are 36 slides in this presentation

There are 36 slides in this presentation

Idaho Vegetation Types Coniferous Forest and Mountain Meadows Sagebrush Grasslands Salt Desert Shrublands Pacific Bunchgrass Juniper Woodlands Idaho Vegetation Types Called “Ecoregions” There are 36 slides in this presentation

Vegetation vs Precipitation Coniferous Forest and Mountain Meadows Sagebrush Grasslands Salt Desert Shrublands Pacific Bunchgrass Juniper Woodlands There are 36 slides in this presentation

Soils of Idaho Andisols (Mountain Soils) Alifisols Histosols (Forest Soils) Entisols Mollisols (Grassland Soils) Aridisols (Desert Soils) Rock Outcrop There are 36 slides in this presentation

Topography of Idaho There are 36 slides in this presentation

Ecoregions of Idaho Pacific Bunchgrass Sagebrush Grassland Juniper Woodland Salt Desert Shrubland Coniferous Forest & Mountain Meadows There are 36 slides in this presentation

Pacific Bunchgrass Characterized by: Deep, rich soils Moist climate Palouse and Camas Prairies Precipitation: 12-30” Today, area is mostly farmland There are 36 slides in this presentation

There are 36 slides in this presentation

There are 36 slides in this presentation

There are 36 slides in this presentation

Sagebrush Grassland Characterized by: Drier soils Hotter climate Plains, plateaus, valleys south of the Snake River Precipitation: 10-15” Classic western rangeland type There are 36 slides in this presentation

There are 36 slides in this presentation

There are 36 slides in this presentation

There are 36 slides in this presentation

Juniper Woodlands Characterized by: Shallow, rocky soils Hotter climate Southern Idaho (Owyhee area) Precipitation: 12-30” Potential problem due to fire suppression There are 36 slides in this presentation

There are 36 slides in this presentation

There are 36 slides in this presentation

There are 36 slides in this presentation

Salt Desert Shrub Characterized by: Salty soils Cold temperatures Southern Idaho (Mountain Home area) Precipitation: <10” Excellent winter range due to high nutritive value There are 36 slides in this presentation

There are 36 slides in this presentation

There are 36 slides in this presentation

There are 36 slides in this presentation

Coniferous Forest and Mountain Meadows Characterized by: Andisols (volcanic ash, very fertile) Dense forest with open meadows Most of northern Idaho Precipitation: 40+ Excellent wildlife habitat and summer range There are 36 slides in this presentation

There are 36 slides in this presentation

There are 36 slides in this presentation

There are 36 slides in this presentation