Lecture+10-10-08_Aquatic+Ecol_Biomonitoring

Lecture+10-10-08_Aquatic+Ecol_Biomonitoring - Aquatic...

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Aquatic Entomology and Biomonitoring Slides by Dr. Leah & Dr. Alison Bêche Purcell Presented by Dr. Igor La ć an
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Overview • Stream Ecology • Biomonitoring • Aquatic Insect Orders
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Stream ecology background • Streams are connected spatially – longitudinally, horizontally and vertically
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What is a watershed?
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Stream ecology background • Streams are connected spatially – longitudinally, horizontally and vertically • Streams have complex food webs linked to terrestrial food webs via the riparian zone
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Life stages in aquatic and terrestrial environment AQUATIC TERRESTRIAL AQUATIC TERRESTRIAL
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Stream ecology background • Streams are connected spatially – longitudinally, horizontally and vertically • Streams have complex food webs linked to terrestrial food webs via the riparian zone • Streams are a continuum, food sources change as you move downstream
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Stonefly – ‘shredder’
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Filter out particles floating downstream
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What is biomonitoring? (short for ‘biological monitoring’) Using organisms to assess ecological health
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Biomonitoring vs. Chemical/Physical/Habitat monitoring Why use organisms to gauge the health of a stream? Not just a snapshot • Can show long-term effects
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What to monitor?
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Lecture+10-10-08_Aquatic+Ecol_Biomonitoring - Aquatic...

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