'Quadrat ' diaporamas de présentation

2.5 Investigating Ecosystems

2.5 Investigating Ecosystems. Review Zonation and Succession on your notes. Monitoring Abiotic Factors. Ecosystems can be roughly divided into:- Marine Freshwater and Terrestrial systems. Monitoring Abiotic Factors. Complete the diagram in your notes. MONITORING BIOTIC (LIVING) FACTORS.

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IB Geo. 12 Formal Field Study

IB Geo. 12 Formal Field Study. Delta Nature Reserve / Watershed Park / Serpentine Wildlife Management Area. Why study these areas?. Consider: The presence of three unique ecosystems in a relatively short distance (see map handout)

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Quadrats, ANOVA

Quadrats, ANOVA. ?. ?. ?. ?. ?. ?. Quadrat shape. 1. Edge effects. ?. best. worst. Quadrat shape. 2. Variance. 4. 5. 4. 1. best. 3/5 on edge. 3/8 on edge. best. worst. Quadrat size. 1. Edge effects. ?. ?. ?. ?. ?. ?. Low variance. High variance. Quadrat size.

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Sampling Techniques and Presenting Data The Sequel

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Biological components of an ecosystem

Biological components of an ecosystem. You should have observed, counted and identified living organisms in an ecosystem. The method we used for plants was a QUADRAT We used PITFALL TRAPS for soil invertebrates

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2.3 Measuring Biotic Components

2.3 Measuring Biotic Components. Estimating Populations of Animals. Lincoln index (capture-mark-release-recapture) n1 x n2 N = m N = Total number of population n1 = Number of animals first (mark all of them) n2= Number of animals captured in second sample

140 views • 12 slides