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COMPETITION (LAB EXPERIMENTS). Galium saxatile Galium pumilum 6 7 Galium Sp. (Bedstraw)

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Presentation on theme: "COMPETITION (LAB EXPERIMENTS). Galium saxatile Galium pumilum 6 7 Galium Sp. (Bedstraw)"— Presentation transcript:

1 COMPETITION (LAB EXPERIMENTS)

2 Galium saxatile Galium pumilum 6 7 Galium Sp. (Bedstraw)

3 Tansley (1917)

4 Paramecium aurelia 1 Paramecium caudatum 2 3

5 Fig. 13.15 in Molles 2006 Paramecium Species: Grown Separately (Gause 1934)

6 Fig. 21-1 in Ricklefs and Miller 2000 Paramecium Species: Grown Together (Gause 1934)

7 Tribolium confusumTribolium castaneum 4 5

8 Fig. 13.6 in Molles 2006 Flour Beetle Species: Grown Separately (Park 1954)

9 Fig. 13-16 in Molles 2006 Flour Beetle Species: Grown Together (Gause 1934)

10 COMPETITION (FIELD EXPERIMENTS)

11 Wide-Leaf Cattail (Typha latifolia) Narrow-Leaf Cattail (Typha angustifolia) CATTAIL COMPETITION

12 Wide-Leaf Cattail (Typha latifolia) Narrow-Leaf Cattail (Typha angustifolia) Cattail Species Grown Together

13 Narrow-Leaf Cattail (Typha angustifolia) Wide-Leaf Cattail Removed

14 Wide-Leaf Cattail (Typha latifolia) Narrow-Leaf Cattail Removed

15 Balanus 9 Chthamalus 10

16 Fig. 13.20 in Molles 2006 Barnacle Zonation

17 Fig. 13.19 in Molles 2006 Balanus Removed: Upper Intertidal Zone Balanus Removal: Middle Intertidal Zone Chthamalus Survivorship

18 9 Dipodomys (Kangaroo Rat) 10 Perognathus (Pocket Mouse) Large Granivores Small Granivores Insectivores Onychomys DESERT RODENTS

19 Fig. 13.21 in Molles 2006 24 Study Plots: Chihuahuan Desert near Portal AZ

20 Fig. 13.23 in Molles 2006 Experiment: Removal of Large Granivores (Heske et al. 1994)

21 Geospiza fortis (Medium Ground-Finch) 12 Darwin’s Finches Geospiza fuliginosa (Small Ground-Finch) 13 EVOLUTIONARY CONSEQUENCES OF COMPETITION

22 Fig. 13.25 in Molles 2006 Allopatric versus Sympatric Populations G. fortis G. fuliginosa G. fortis, G. fuliginosa

23 G. fortis G. fuliginosa G. fortis, G. fuliginosa CHARACTER DISPLACEMENT: BEAK DEPTH

24 1 http://content.answers.com/main/content/wp/en/thumb/f/f2/200px-http://content.answers.com/main/content/wp/en/thumb/f/f2/200px- Paramecium.jpg 2 http://www.microscopy-uk.org.uk/mag/imgmar99/marimg99.jpg 3 http://www.invivo.fiocruz.br/cell/imagens/bacillus.jpg 4 http://www.zoology.ubc.ca/~whitlock/bio434/LectureNotes/http://www.zoology.ubc.ca/~whitlock/bio434/LectureNotes/ 04.Drift/tribolium.confusum.jpg 5 http://210.212.212.8/PHP/INSATDB/images/tribolium.jpg 6 http://www.plant-identification.co.uk/images/rubiaceae/galium-saxatile-2.jpg 7 http://perso.orange.fr/erick.dronnet/images/galium_pumilum1.jpg 8 http://home.hetnet.nl/~faassema/photos/Balanusamphitriteweb.jpg 9 http://bss.sfsu.edu/holzman/courses/Spring%2005%20projects/giant%20khttp://bss.sfsu.edu/holzman/courses/Spring%2005%20projects/giant%20k _rat/giantkangaroorat001.jpg

25 10 ttp://eebweb.arizona.edu/Courses/Ecol485_585/Perognathus_ penicillatus.jpg 11 http://www.biology.usu.edu/labsites/ernestlab/images/Onychomys_http://www.biology.usu.edu/labsites/ernestlab/images/Onychomys_ torridus_photobyKurzius.jpg 12 http://www.greglasley.net/Images/Medium-Ground-Finch-0002.jpg

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