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Assignment: SCI103 Phase 2 Lab Report
TITLE: Estimating the Red Wolf Population
INSTRUCTIONS: Enter the Virtual Lab and gather information from the field. Please type your answers on this form. When your lab report is complete, submit it to the Submitted Assignments area of the Virtual Classroom.
Part I – Answer the following questions while in the Phase 2 lab environment.
Section 1 (Smaller Population Estimation) – One year ago, you set up your first trap area and caught four red wolves. Each one of the wolves was marked with a white collar. It is now one year later and you have set up six trap areas. Visit these areas and record the total number of recaptured wolves as well as how many are marked with white collars.
Use the following equation when asked to calculate population estimates for the area:
Population Estimate = (Total number recaptured) X (Number marked initially)
(Total number recaptured with mark)
1. How many red wolves were initially trapped, marked, and then released last year?

Total recaptured wolves 
Total recaptured with collars 
Trap Area 1 


Trap Area 2 


Trap Area 3 


Trap Area 4 


Trap Area 5 


Trap Area 6 


Totals 


2. What was the total number of recaptured red wolves from areas 1 to 6?
3. What was the total number of marked red wolves (recaptured with white collars) from areas 1 to 6?
4. Using the provided equation, calculate the population estimate for the geographical area:
5. The actual population size is 22 red wolves. How did your calculated estimate compare with the actual population size revealed here?
Section 2 (Larger Population Estimation) – One year ago, you set up your first trap area and caught fifteen red wolves. Each one of the wolves was marked with a white collar. It is now one year later and you have set up ten trap areas. Visit these areas and record your results.
6. How many red wolves were initially trapped, marked, and then released last year?

Total recaptured wolves 
Total recaptured with collars 
Trap Area 1 


Trap Area 2 


Trap Area 3 


Trap Area 4 


Trap Area 5 


Trap Area 6 


Trap Area 7 


Trap Area 8 


Trap Area 9 


Trap Area 10 


Totals 


7. What was the total number of recaptured red wolves from areas 1 to 10?
8. What was the total number of marked red wolves (recaptured with white collars) from areas 1 to 10?
9. Using the equation provided, calculate the population estimate for the geographical area:
10. The actual population size is 100 wolves. How did your calculated estimate compare with the actual population size revealed here?
Part II – For the following questions, provide your response in short answer format (23 sentences each). Use this Phase’s activities and resources to assist you in answering:
11. Define and explain the term ‘population’ from a Biology standpoint.
12. Why is it important to sample populations from an Ecology standpoint?
13. What are the steps involved in the Mark and Recapture Method (LincolnPeterson Method) in population sampling?
14. Why would it be important that the data collected under the Mark and Recapture Method be gathered at the same time each year?
Subject  Science 
Due By (Pacific Time)  01/19/2015 11:00 am 
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