PPT-Community Ecology

Geography Resources Phylogeny Community Redrawn from Fauth et al 1996 Am Nat Community collection of species that occur at the same place amp time circumscribed by natural . and . dis. -assembly. Topics for today. Assembly Rules: concepts, conflicts. Early work: plant succession from the 1910’s (and relevance in the 2010’s). Diamond’s . biogeographical. work in the 1970’s. Gerry Quinn. Deakin University. Data sets in community ecology. Multivariate abundance data. Sampling or experimental units. p. lots, cores, panels, quadrats ……. u. sually in hierarchical spatial or temporal structure. Vegetation and Terrestrial Wildlife. Vegetation. Plant Communities. Disturbance. Unique Communities. Wildlife. Amphibians and Reptiles. Birds. Mammals. Terrestrial Ecology: Vegetation. Goals of vegetation sampling on ODOT projects. holism. reductionism. climax community. Organicism. teleology. deep ecology. Gaia theory . positive versus negative biotic interactions. pristine myth. Films often portray organisms and ecological interactions . In short, . ecology . is the scientific study of the . interactions of organisms with their environment. .. All organisms . interact. with other organisms in their surroundings and with the nonliving portion of their environment. . Patch selection (e.g., Marginal Value Theorem). Prey selection (optimal diet theory). Moving beyond feeding (energy intake): predation risk. . (u/g). Patch selection. :. Consider a forager moving among many patches during a foraging bout (rodent among seed caches, pollinator among flowers, etc.). Predator-prey theory. Basics (. Lotka-Volterra. ). Functional responses and risk. Effect on phase-planes. Dynamics. Paradox of enrichment. Predator interference and ratio dependence. How do predators respond to prey?. WORKSHEET. Go over Sections F, G, and H. AFTER THE QUIZ. Work on Section I. DO NOW. Get out EOC Daily sheet, worksheet, and notes. BIOLOGY EOC BIO47. The diagram below shows a plant’s response to stimuli.. HW #1. Age-structured populations. Stage-structure populations . Life cycle diagrams. Projection matrices. Context: Sea . Turtle . Conservation. (But first … background). Population. Structure. :. Seguing into from populations to communities. Species interactions. Lotka-Volterra. equations. Competition. Adding in resources. Species interactions:. Competition (- , -). Predation (+ , -). (. Herbivory. 41:. Ch. 42:. Ch. 44:. Ecology. Ecology. : study of interactions between organisms and their environments – science of relationships, studied by ecologists. Abiotic . Factors:. non-living parts of an organism’s environment. Geography. Resources. Phylogeny. Community. Redrawn from Fauth . et al. . (1996). Community. – collection of species that occur at the same place & time, circumscribed by natural (. e.g. ., serpentine soil), arbitrary, or artificial (. Robert T. Paine. Jenessa Kay. April 23, 2013. Community Ecology. Nature Education. , 2012. Biographical Info. Born in Cambridge, MA – April 13,1933. Happy belated birthday!. AB - Harvard University, . abiotic. conditions. A traveler should be a botanist, . for in all views plants form . the chief embellishment. Charles Darwin,. The Voyage of the Beagle. Belize. Anza-Borrego Desert,. California. Manning Park.