Ecosystems and Ecoregions Joe Bonnell Ohio State University Extension School of Environment and Natural Resources.

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Presentation transcript:

Ecosystems and Ecoregions Joe Bonnell Ohio State University Extension School of Environment and Natural Resources

Ecoregion A geographically distinct grouping of natural communities and species, which includes ecosystems, that occur as part of a mosaic across the landscape.

Ecological Regions of North America

Ecoregions of Ohio 55. Ea. Corn Belt Plain (aka, Till Plains) 56. S. Michigan/N. Indiana Drift Plains 57. Huron/Erie Lake Plain 61. Erie Drift Plain 70. Western Allegheny Plateau 71. Interior Plateau 83. Eastern Great Lakes and Hudson Lowlands

Ohio’s Natural Heritage By: Michael B. Lafferty Ohio Academy of Science. 1979

Comparison of Geology and Ecoregions

Comparison of Glacial Deposits and Ecoregions

Comparison of Soils and Ecoregions

Comparison of Vegetation and Ecoregions

Theoretical vs. Actual Land Cover

Part 2 Ecosystem Services

Ecosystem Services Renewable resources Recycling of nutrients, water, air Building soils Reducing impacts of natural hazards –Flood attenuation –Carbon sequestration Genetic diversity Recreation

What services do these ecosystem types provide? Wetland Riparian (streamside) forest Old-growth oak/hickory forest Lake Erie estuary Stream

Human Impacts

How do these human activities affect ecosystem services? Human habitat (homes, roads, factories) Spread of invasive species Agriculture Dams Deforestation Burning of fossil fuels

Ecosystem Management

Characteristics of Ecosystem Management Large scale focus Systems thinking Long-term planning Multiple participants (stakeholders) Multiple goals Adaptive (learn as you go and apply what you learn)

Ecosystem Management Plan Describes current state of ecosystem Describes human impacts Defines management goals Identifies strategies for achieving goals Identifies responsible parties and timeline