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Jan 9, 2024





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LDARCH/ESPM C110 Ecological Analysis Fall 2023 Flipped Class 3 First page: Write down your team information for submission & grade assignment: Team member names/email: 1. __________________________________________ 2. __________________________________________ 3. __________________________________________ 4. __________________________________________ 5. __________________________________________ 1
LDARCH/ESPM C110 Ecological Analysis Fall 2023 Flipped Class 3 Part 1. Practicing basic landscape patch metrics (previous lecture). Calculate patch metrics to fill the tables below for the following landscape with patches of forest (labeled as “1”), water (labeled as “2”) and agriculture (labeled as “3”). Each cell has the dimensions of 1x1km. Small numbers in the cells outside the landscape are provided for reference to make this easier. Show your work by typing calculations either in the tables or below them. (Photos of handwritten calculations are acceptable if pasted into the document). 1. (12 pts) Fill out the table the following patch metrics for each cover type based on the cell counts. Cover type #patche s Total area, km 2 (patches of the same type) Mean patch area (total/#), km 2 Patch density (#patches/total landscape area) Forest Water Agriculture 2
LDARCH/ESPM C110 Ecological Analysis Fall 2023 Flipped Class 3 (8 pts) Using patch density as the indicator of fragmentation, rank the three cover types from the most to the least fragmented. Comment on which class is the “most fragmented” based on this ranking and briefly discuss how fragmentation may impact mobile animal species living in this habitat. 2. (18 pts) Calculate shape index of the largest patch for each of the three classes using the shape inde formula from the lecture. Perimeter calculation should include external edge of a patch, and in case the patch has holes in it – also the internal edge of these holes. Cover type Largest patch area, km 2 Largest patch perimeter, km Shape index of the largest patch (formula on p.1) Forest Water Agriculture (2 pts) Which cover type has the largest patch closest to an “ideal”, compact shape and why? Part 2. Urban Wildlife, Habitat & Structural Inequality (based on Professor Chris Schell’s paper & talk) 3. (20 pts) In your group’s own words, discuss the meaning of the “luxury effect” mentioned in both the reading and the talk. 3
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