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transectLAB - Biology 3A: Ecology Point-Quarter Sampling...

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Biology 3A: Ecology Point-Quarter Sampling Layla Fijany Kathleen Michael McLaughlin Lorena Cordova Sahar Meshkat Table 4. Calculations for Point-Quarter Sampling Date: 4/27/2011 Habitat: Costal Sage Scrub Total Points (k): 10 4k: 40 Total point to plant distances: 99.15 Total density: 0.163 Species, i n i Relative Density RD i Absolute Density D i No. of points with species j i Frequency F i Relative Frequency RF i Total Area Covered A i Coverage C i Relative Coverage RC i Importance Value IV i Sage 14 0.35 0.0571 9 .9 .375 20.939 .0854 0.1925 0.9175 Mustard 17 0.425 0.0693 8 .8 .333 6.507 .0266 0.060 0.818 Russian thistle 2 0.05 0.0815 1 .1 .04167 1.633 .0665 0.15 0.2416 Coyote bush 1 0.025 0.00408 1 .1 .04167 .385 .001571 0.0035 0.0702 Buckwheat 4 0.1 0.0163 3 .3 0.125 60.641 .2471 0.557 .782 Mule fat 1 0.025 0.00408 1 .1 .04167 1.766 .00721 .0163 .2297 Cactus 1 0.025 0.00408 1 .1 .04167 2.268 .00925 .0209 .08757 Totals 4k = 40 1.00 XXX XXX ∑F= 2.4 1.00 XXX ∑C=0.4436 1.00 XXX
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Table 1. Raw Data
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This note was uploaded on 02/28/2012 for the course BIO 3A taught by Professor Huntley during the Spring '10 term at Saddleback.

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transectLAB - Biology 3A: Ecology Point-Quarter Sampling...

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