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Ecology

Ecology. oikos + ology. “study of home”. Ernst Haeckel. Ecology. How organisms interact with each other and their environment. Ecology – the social movement. Individual. Population. Community. Ecosystem. Population Ecology. Winter deer count. Community Ecology. Stream survey.

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Ecology

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  1. Ecology oikos + ology “study of home” Ernst Haeckel

  2. Ecology How organisms interact with each other and their environment.

  3. Ecology – the social movement

  4. Individual

  5. Population

  6. Community

  7. Ecosystem

  8. Population Ecology Winter deer count

  9. Community Ecology Stream survey

  10. Ecosystem Ecology Measuring abiotic factors

  11. Chapter 53 --Population Ecology

  12. Populations have range

  13. Populations can increase their RANGE Cattle egret

  14. Populations can be large ……

  15. Populations can be small ……

  16. Iriomote Wildcat Inhabits only one small Japanese island Felis iriomotensis

  17. Devil’s Hole pupfish

  18. Devil’s Hole pupfish Cyprinodon diabolis

  19. Devil’s Hole, Death Valley The entire habitat for Cyprinodon daibolis.

  20. California Condor(Gymnogyps californianus)

  21. Random Dispersion

  22. Random Dispersion

  23. Uniform Dispersion

  24. Uniform Dispersion

  25. Clumped Dispersion

  26. Clumped Dispersion

  27. Clumped Dispersion

  28. Demography Example: a survivorship curve

  29. Life History and Fitness

  30. Life History Salmon spawning migration

  31. Life History Salmon spawning migration

  32. Life History Salmon spawning

  33. Life History the end

  34. Life History the pay off Newly hatched salmon fry

  35. Life History Semelparity Breed once and die

  36. Semelparous organisms Agave (century plant) Reproductive adult plant Seedling (life history success)

  37. Life History Iteroparity

  38. r and k selected life history strategies k k-selected: spiny dogfish (Squalus) r-selected: Atlantic cod (Gadus) r

  39. r and k selected life history strategies r-selected: dandelion k r k-selected: redwood tree

  40. Population growth

  41. Fur seal population recovery

  42. Laboratory Demonstration of Exponential Growth

  43. Density Dependent Factors

  44. Density Independent Factors

  45. Human population growth An exponential curve, still on the up swing

  46. Population Structure

  47. Environmental Footprints

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