c05_eco_net_handout - 9/11/2009 Typesofecologicalnetworks...

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9/11/2009 1 Ecological Networks 15 September 2009 Types of ecological networks Community nodes: species links: interactions between species Population nodes: populations of one species links: dispersal between populations Individual nodes: individual organisms links: genetic relatedness (paternity/maternity) Community networks Antagonistic networks Food webs Host parasite/parasitoid webs Mt l it i tk Mutualistic networks Plant seed disperser webs Plant pollinator webs Plant ant webs Ings et al 2009 J Animal Ecol Food webs Directed links denote direction of energy flow http://www.biologycorner.com/resources/foodweb1.gif
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9/11/2009 2 http://www.coolantarctica.com/Antarctica%20fact%20file/wildlife/whales/foodweb.gif Host parasitoid arrows point from parasitoid to host Schilthuizen & Stouthamer 1998 Heredity http://gwydir.demon.co.uk/insects/dipl_rosa.jpg Plant seed disperser Bascompte et al. 2006 Science Plants Animals Thompson 2006 Science
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9/11/2009 3 Plant pollinator Bascompte & Jordano 2007 Ann Rev Ecol Evo Syst Greenland plant pollinator network Plant ant Guimarães et al. 2007 Curr Biol Antagonistic vs. Mutualistic Webs How are these two types of community webs similar? Different? Population Used to describe patterns of movement dispersal migration genetic relatedness (e g through parentage genetic relatedness (e.g., through parentage)
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9/11/2009 4 Habitat connectivity paths McRae et al. 2008 Ecology Population graphs http://www.tnstate.edu/ganter/John%27s%20Senita.JP
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c05_eco_net_handout - 9/11/2009 Typesofecologicalnetworks...

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