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Welcome back! Read the board and review for quiz on laws!

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Presentation on theme: "Welcome back! Read the board and review for quiz on laws!"— Presentation transcript:

1 Welcome back! Read the board and review for quiz on laws!

2 Endangered Species Laws  Lacey Act  Endangered Species Act  Convention on International Trade in Endangered Species  Be ready to compare/contrast  I will answer only two questions from the class.

3 OK! Please put your natural selection reading outline on your desk for a stamp during the quiz!

4 Healthy? Threatened? Endangered? Counting has legal consequences! Please get out your wildlife management notes.

5 Random Sampling activity – (the beans)  Share your * answers!  #3 – Asymptotic point = more PRECISION  #7 – How could we have improved accuracy?  Does any of this apply to our lab work comparing the managed and unmanaged prairie areas?

6 Why count population size accurately?  Census vs. Random sampling.  Standardized procedure reduces bias  Improving accuracy:  More samples  Strict standards for asymptotic point  Tailor data collection to organism’s life history  ROBUST DATA!  Accuracy is important – legal protection can limit individual land use/decisions

7 Quadrant Sampling in Wolf Prairie – design flaws?

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9 Transect sampling

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12 Tag and Recapture is a TYPE of random sampling  -population size  -identify critical habitat  -identify migratory pathways  -monitor population health

13  Bird Banding

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15 Contact info, ID number

16 Westside at Guadalupe State Park – Spring 2014 Bird Banding

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20 Permanent tracking devices

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23 PIT tagging

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25 Tag and Recapture  OK to recapture same individual.  Formula accounts for this.  Why is it important for wildlife managers to determine population size accurately?

26 Assessing population size  Census  Counts each individual organism  Large organisms  Stationary  Areal photos  Random Sampling  VegetationAnimals  QuadrantTag and R  Transectratio  H’


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