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Metapopulations I. So far, we have looked at populations with the assumption of geographic closure: no immigration, no emigration What if we relax that assumption?
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If all patches have the same probability of extinction, it is simply pex ... Extinction of a patch may depend on the fraction of patches occupied in the system ...
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... Example of source-sink in plants Plant metapopulations and invasions Genetics and ... corridors Biological Corridors Haddad et al ...
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Even populations with an have some probability of going extinct! ... This single isolated population is doomed to a fairly rapid extinction! Time, t ...
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Bottle Experiments' with blowflies (Nicholson 1933) and mites (Huffaker (1958) ... Patch occupancy and population dynamics covary in a mite predator-prey system: ...
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... of this research is to unravel genetic structure of fairy shrimp metapopulations ... Knowledge about the impact of spatial configuration and isolation of habitat ...
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Behavioral Ecology: Movement & Orientation Why move? Types of movement Metapopulations Local Distribution Home Range Territoriality Migration - Mass movements
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It sets a limit as to how much genetic divergence can occur. ... dioica metapopulations: estimation of spatiotemporal effects in a successional plant species. ...
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Taken from: Peck, Sheila. 1998. Planning for Biodiversity: ... Washington, D.C.: Island Press. Spatial Structure of Metapopulations. South Florida Case Study ...
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New genetic combinations & increased heterozygosity of offspring. Always a benefit? ... Example: Conch populations in Florida ... Queen conch metapopulations ...
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Metapopulation migration needs to be modelled as a complex and heterogeneous process. ... Distance-based migration (The 'spatially real' metapopulation) ...
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Title: ThemeGallery PowerTemplate Author: Sung Ha, Park Last modified by: Ayo Created Date: 8/3/2005 12:51:21 AM Document presentation format: (4:3)
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Title: Slide 1 Author: Richard Knight Last modified by: richard Created Date: 10/30/2003 5:32:00 PM Document presentation format: On-screen Show Company
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Title: Ecological Networks Author: jsaldana Last modified by: jsaldana Created Date: 9/20/2005 8:35:44 AM Document presentation format: Presentaci n en pantalla
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... e.g honey creepers and Lobelia of Hawaii (Fig. 55.8) (4) Habitat Destruction and Fragmentation agriculture, forestry (clear cutting ...
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Chapter 6 Population and Community Ecology
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Wildebeest population in the Serengeti region of Tanzania. ... of a phytophagous mite as prey, and a predatory mite (Huffaker 1958, and Huffaker et al 1963) ...
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Oscillations occur when population growth occurs faster than density dependence ... What is the minimum viable population of Bighorn Sheep, based on model results? ...
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Population Ecology Chapter 52
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CHAPTER 51 Population Ecology
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Good evidence from a wood frog and spotted salamander in ME that as forest cover ... Northern Spotted Owl simulations that vary only on the configuration of suitable ...
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Lesser Kestrels - Serrano and Tella. 21. 21. 22. 22. 23. 23 ... American Robins. Type III: High mortality among young, followed by high survivorship. ...
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Title: ENVI 30 Environmental Issues Author: Ron Kaufmann Last modified by: Ron Kaufmann Created Date: 9/2/2003 2:36:55 AM Document presentation format
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Dispersal and Migration How Populations Persist Chapter 11 Plants and animals when is it time to leave home?
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Used parasitoid wasps and host flies as predator and prey ... Optimal foraging example. Lynx and hare cycling. Hare and winter vegetation ('browse') cycling ...
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The habitat must meet all of the of the species' needs or the species cannot ... More difficult for less vagile species. More difficult as habitats become fragmented. ...
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Landscape Ecology Chapter 21
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have an increasing likelihood. of extinction through time. You can then estimate the likelihood of crossing an extinction ... Extinction Likelihood. Quasi-extinction ...
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Title: video Author: BCP User Last modified by: Thompson, Heather Created Date: 7/11/2002 5:04:39 PM Document presentation format: On-screen Show (4:3)
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Chapter 53 Population Ecology
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Title: Understanding Our Environment Author: CCSN Last modified by: admin Created Date: 1/16/2002 10:44:40 PM Document presentation format: On-screen Show (4:3)
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world's fourth largest island. more than 200,000 species of plants and animals ... Freshwater mussels (Phylum Mollusca, Class Bivalvia) ... Zebra mussel. Asian clam ...
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of Red-eyed Vireo (Robbins et al. 1989) Species richness. Probability ... General theoretical framework (but is it really workable? ...
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Definition (text): 'Ecology is the study of interactions between organisms ... Why study Ecology? Because it's there--intellectual curiosity as to how our world works ...
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Assumes a 'cost' or 'resistance' to travel across a landscape ... Least-cost path can be determined. Connectivity can be assessed. Broquet et al. Molecular ...
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that checkerspot extinction at Jasper Ridge. due in part to global climate change ... Flamboyant fathers of the common garden: a way to study phenotypic vs. ...
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Logistic equation represents equilibrium view of population ... However, correlation may not indicate causation (food supply, red grouse) The Intrinsic School ...
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More complicated ecological interactions. 2 . Terrestrial ... Opossum (Didelphis virginiana) South North America. Brushtail possum (Trichosurus vulpecula) ...
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population genetics and population dynamics problems of small populations ... Arabian Oryx EIW in 1972 reintroduced from populations in Phoenix zoo ...
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Title: Ground Rules, exams, etc. (no make up exams) Text: read chapters 1, 6, 7, then 3, 4, 5, 8, etc. Profess -Knowledge - Study (rewire your brain!)
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The water flea Daphnia galeata stores lipid droplets and can transfer these ... another water flea, Bosmina longirostris, stores smaller amount of lipids and ...
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AP BIO Ecology Review Chap 51-55 http://educ.queensu.ca/~fmc/august2004/pages/dinobreath.html _____, or density-dependent selection, selects for life history ...
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Marbled Salamander Metapopulation Dynamics Ramas GIS Metapopulation Model
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Honeybees (Apis melifera) evolved in Africa and ... Murie collected Dall Sheep skulls, Ovis dalli. Major Assumption: Proportion of skulls in each age class ...
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A population of robins in West Central Illinois. A population of robins in Chicago ... Growth equation: N/T = run (K-N)/K. Potential Growth measured for any ...
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BISC530: Biology Conservation Kedong Yin Introduction Habitat fragmentation Demographic Processes on heterogeneous landscapes: Metapopulation dynamics
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Population Ecology The Interaction of Limiting Factors Density-dependent and density-independent limiting factors often work together to regulate the size of a ...
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11% of 9040 known bird species are endangered ... Even the list of known mammals has grown by 15% in the last decade. Threats to biodiversity ...
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Chapter 52 (pgs. 1151- 1172) Population Ecology AP minknow How density, dispersion, and demographics can describe a population. The differences between exponential ...
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E verified extant. H historical. F failed to find. X extirpated ... will have to be simply ranked as extant (E) until adequate data become available. ...
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Sea otters are smallest marine mammals. Occur in ... Feed on variety of fish and marine invertebrates. Gregarious; live in rafts' of about 100 individuals ...
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Fundamental Theorem of Natural Selection (Fisher 1930) ... Substantially reproductively isolated from conspecific population units ...
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Title: Statistics in Ecotoxicology using . Last modified by: Stephen Cox Document presentation format: On-screen Show Company: Stephen Cox Other titles
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N = (Number Marked) X (Catch Second Time) Number Of Marked Recaptures ... Weather - Hot, Cold, Dry. Extremes. Natural in Many Species. Mixed Density Dependent and ...
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An Endangered Species: Red Wolf. This canine family member was once found in the southeast. ... An Endangered Species: Red Wolf ...
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Salmon Life History and Ecology. Generalized life history ... Semelparity Salmon reproduction. Sockeye males competing for a mate ...
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