UCSB EEMB 171 - Quiz 1 2016B (4 pages)

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Quiz 1 2016B



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Quiz 1 2016B

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Pages:
4
School:
University of California, Santa Barbara
Course:
Eemb 171 - ECOSYSTEM PROCESSES

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Your Name EEMB ES 171 Winter 2014 Quiz 1 Read each question carefully Use the back if you need to 1 6 points What is soil texture 2 12 points Why do ecosystem ecologists generally work with functional groups or growth forms of plants rather than species 3 12 points Briefly define the difference between Resistance and Resilience Is the concept of resilience relevant in the face of ongoing increases in global temperature Your Name 4 16 points ClORPT is an important formula in ecosystem science A 10 What do the letters stand for Very briefly why are they each important Cl O R P T B 6 If you were going to design a large scale field experiment to analyze the influence of parent material on ecosystem structure and function how would you use the ClORPT concept to guide developing that experiment 5 12 points Many plants are highly tolerant of aboveground herbivory They get between 50 and 90 of their leaves eaten and they grow back quickly However very few plants are tolerant of belowground herbivory They get 20 25 of their root system eaten and they die Why do you think there is such a strong difference in responses to above and belowground herbivory Your Name 6 14 points Match up the specific ecological hydrological terms with their closest analogies from economics and life A AET Monthly Income B PET Credit card bill C Rainfall An inheritance from a rich uncle D Soil water storage Actual payment to the credit card company E Groundwater Aquifer Size of your savings account Briefly explain each analogy 7 14 points total Or 8 You are doing a water balance on an area The following values are for the summer only Briefly explain your answers PET 1200 mm Rainfall 1600 mm Soil water holding capacity 300 mm Soil water at the beginning of summer 100 mm a 8 points What is AET for this summer b 6 points What is streamflow Your Name 8 14 points You are studying the productivity of a particular plant You set up a factorial experiment with treatments of added nitrogen N phosphorus P and N P plus a control Then you measure growth The data is in the table Unfortunately your research assistant lost one set of samples Treatment Control N P N P Growth g 5 8 Lost data 12 A 8 points If Liebig s Law were strictly true for this plant what would you predict that growth in the P treatment would be Why B 6 points Your technician goes back to his lab notes and says that he thinks the growth data for the P treatment was 10 How would that change your interpretation of the nutrient needs of this plant What would that say about Liebig s law



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