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Frogs - Habitat Survey. Habitat survey. Why conduct a habitat survey? To understand the condition and quality of a waterway A healthy waterway usually means that the surrounding land or catchment is in good condition An unhealthy waterway indicates that something is wrong in the catchment.
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Frogs - Habitat Survey www.ecolinc.vic.edu.au
Habitat survey • Why conduct a habitat survey? • To understand the condition and quality of a waterway • A healthy waterway usually means that the surrounding land or catchment is in good condition • An unhealthy waterway indicates that something is wrong in the catchment www.ecolinc.vic.edu.au
Environmental report card • Decide the format of your environmental report • Booklet • Poster • Certificate www.ecolinc.vic.edu.au
Habitat factors Verge vegetation In-stream cover Bank erosion and stability Bank vegetation www.ecolinc.vic.edu.au
Habitat factors Pool Riffle www.ecolinc.vic.edu.au
Habitat factors In-stream cover: Fish and other aquatic organisms require snags, logs and rocks where they can shelter for predators and the current. Verge vegetation: Vegetation growing on the section of land up to 30 meters from the water’s edge. Bank vegetation: Trees, shrubs, grasses, ground covers that grow on the bank. www.ecolinc.vic.edu.au
Habitat factors Bank erosion and stability: Streams naturally erode, usually on bends. Changes in adjacent land can cause a stream to become unstable, such as run-off from impervious surfaces and stock access. Riffles: A shallow area in a stream where water rushes quickly. Pools: Upsteam of a riffle the water is often quiet and may form a pool. Wetland organisms www.ecolinc.vic.edu.au