PPT-Theoretical Impacts of Habitat Fragmentation and Generalist Predation on Predator-Prey

Kelsey Vitense Current Challenges for Mathematical Modelling of Cyclic Populations Workshop at BIRS 111213 Outline Motivation Models Results Next steps Meadow Vole Many cyclic mammalian species undergo dramatic fluctuations in abundance in north but exhibit damped dynamics in south. Community Ecology:. Antagonism (part 2).. Antagonisms: . Prey and predator are differently motivated:. Whereas the prey runs for its life, the predator runs for a meal.. Or, when the predator loses it misses a meal; when the prey is defeated, it loses its life.. Herbivory. Photo . of acorns & weevil grub from . http://www.insectimages.org/browse/detail.cfm?imgnum=0014201. Predators (active foragers, ambush predators, sit-and-wait predators, . etc. .). . Predators. . Predators are animals that eat other animals for food.. Barn Owl. Mountain Lion. Predators are . carnivores. (animals that eat meat) or . omnivores . By: Rachel Lopez, Lauren Powers, Sheydden Rose, & Celia Chronister. Predator. -A . predator . is an organism that hunts the prey. -The predator usually hunts, kills, and eats the prey. - It is a natural instinct to hunt after prey. Predator-Prey Problems. By: Alexandra Silva and . Dani. Hoover. Intro to Systems ESE 251. 11/24/09. History. Alfred . Lotka. Vito . Volterra. -American biophysicist. -Proposed the predator-prey model in 1925. Intraguild predation. Presented by: Maria Vozzo, BIOL 7083. April 16, 2013. Mini-Biography. Education: . Ph.D., Biology, UC-Riverside, 1977 . M.A., UC-Riverside, 1975. Loyola University, 1969. Professor of Ecology at University of California – Davis 1998-2000. Introduction. Before you begin predict what will happen to the camouflage and visual acuity scores of the prey and predator over 10 generations. . Write . a hypothesis in your lab notebook.. Game set up. Predation. The capturing of prey as a means of maintaining life.. Aldo Leopold’s 5 types of Predation. -. based on how animals were killed.. Chance Predation. A predator is not searching for prey, but if the opportunity to kill presents itself an attempt will be made.. Herbivory. , and Parasitism. Types of Species Interactions. When two species interact, the effects for each species can be positive, negative, or neutral.. Competition -/-. Amensalism. -/0. Commensalism +/0. . Taylor Drexinger. Lena Finkel. David Quinn. Caroline Wilkinson . Background. Schooling vs. Shoaling. How fish school. Both advantages and disadvantages. Relevance. Impact on surrounding species. Impact on surrounding environment. Ch8, Section 2: How Species Interact with Each Other. Standards: SEV3e, SEV5a, b. What is a species’ niche?. Niche- role a species has within an ecosystem.. Includes:. Species physical home. Factors needed for survival. By: Alexandra Silva and . Dani. Hoover. Intro to Systems ESE 251. 11/24/09. History. Alfred . Lotka. Vito . Volterra. -American biophysicist. -Proposed the predator-prey model in 1925. -Italian mathematician. Predator-Prey, Parasitoid-Host & Parasite-Host Relationships. “Nature red in tooth & claw”. Alfred Tennyson (1809 - 1892). Why study predation & parasitism? . A basic-science answer:. Science. Challenge answer. Investigate and make note of animals and plants that have parasitic relationships and describe why they are parasitic.. Head lice on humans gain food and a home. Humans get itchy hair..