Everett Yee IUSD CTE Professional Externship February 21, 2011

1. Everett Yee IUSD CTE Professional Externship February 21, 2011

2. Class: AP Environmental Science 11th - 12th grade Unit: Endangered Species Mark Pavelka, USFWS

3. CA State Standards addressed: Ecology 6. Stability in an ecosystem is a balance between competing effects. a. Students know biodiversity is the sum total of different kinds of organisms and is affected by alterations of habitats. c. Students know how fluctuations in population size in an ecosystem are determined by the relative rates of birth, immigration, emigration, and death

4. CA State Standards addressed: Evolution 8. Evolution is the result of genetic changes that occur in constantly changing environments. c. Students know the effects of genetic drift on the diversity of organisms in a population d. Students know reproductive or geographic isolation affects speciation.

5. Will Miller Biomonitor - Wildlife Biologist U.S. Fish and Wildlife Service

6. Location: Dana Point Headlands Preserve

7. Center for Natural Lands Management Preserve Manager: Lee Ann Carranza

8. Endangered Species California gnatcatcher

9. Endangered Species Pacific pocket mouse

10. Pacific pocket mouse USFWS - Thought to be extinct but small population found in 1993 - Only known populations in Dana Point and Camp Pendleton

11. Pacific pocket mouse Threats: cats, habitat loss, human disturbance Future: captive breeding program with the San Diego Zoological Society Cheryl Brehme, USGS

12. Externship Reflection Students see local examples of endangered species and how the U.S. Fish and Wildlife Service works to uphold the Endangered Species Act to protect these species

13. Externship Reflection Human encroachment continues to be a threat. Finding balance between human use of the land and protection of endangered species remains difficult to manage.