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?
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 ...
Even populations with an have some probability of going extinct! ... This single isolated population is doomed to a fairly rapid extinction! Time, t ...
Bottle Experiments' with blowflies (Nicholson 1933) and mites (Huffaker (1958) ... Patch occupancy and population dynamics covary in a mite predator-prey system: ...
... of this research is to unravel genetic structure of fairy shrimp metapopulations ... Knowledge about the impact of spatial configuration and isolation of habitat ...
Behavioral Ecology: Movement & Orientation Why move? Types of movement Metapopulations Local Distribution Home Range Territoriality Migration - Mass movements
It sets a limit as to how much genetic divergence can occur. ... dioica metapopulations: estimation of spatiotemporal effects in a successional plant species. ...
Taken from: Peck, Sheila. 1998. Planning for Biodiversity: ... Washington, D.C.: Island Press. Spatial Structure of Metapopulations. South Florida Case Study ...
Metapopulation migration needs to be modelled as a complex and heterogeneous process. ... Distance-based migration (The 'spatially real' metapopulation) ...
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
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
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) ...
Oscillations occur when population growth occurs faster than density dependence ... What is the minimum viable population of Bighorn Sheep, based on model results? ...
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 ...
Lesser Kestrels - Serrano and Tella. 21. 21. 22. 22. 23. 23 ... American Robins. Type III: High mortality among young, followed by high survivorship. ...
Used parasitoid wasps and host flies as predator and prey ... Optimal foraging example. Lynx and hare cycling. Hare and winter vegetation ('browse') cycling ...
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. ...
have an increasing likelihood. of extinction through time. You can then estimate the likelihood of crossing an extinction ... Extinction Likelihood. Quasi-extinction ...
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)
world's fourth largest island. more than 200,000 species of plants and animals ... Freshwater mussels (Phylum Mollusca, Class Bivalvia) ... Zebra mussel. Asian clam ...
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 ...
Assumes a 'cost' or 'resistance' to travel across a landscape ... Least-cost path can be determined. Connectivity can be assessed. Broquet et al. Molecular ...
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. ...
Logistic equation represents equilibrium view of population ... However, correlation may not indicate causation (food supply, red grouse) The Intrinsic School ...
More complicated ecological interactions. 2 . Terrestrial ... Opossum (Didelphis virginiana) South North America. Brushtail possum (Trichosurus vulpecula) ...
population genetics and population dynamics problems of small populations ... Arabian Oryx EIW in 1972 reintroduced from populations in Phoenix zoo ...
The water flea Daphnia galeata stores lipid droplets and can transfer these ... another water flea, Bosmina longirostris, stores smaller amount of lipids and ...
AP BIO Ecology Review Chap 51-55 http://educ.queensu.ca/~fmc/august2004/pages/dinobreath.html _____, or density-dependent selection, selects for life history ...
Honeybees (Apis melifera) evolved in Africa and ... Murie collected Dall Sheep skulls, Ovis dalli. Major Assumption: Proportion of skulls in each age class ...
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 ...
Population Ecology The Interaction of Limiting Factors Density-dependent and density-independent limiting factors often work together to regulate the size of a ...
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. ...
Chapter 52 (pgs. 1151- 1172) Population Ecology AP minknow How density, dispersion, and demographics can describe a population. The differences between exponential ...
Sea otters are smallest marine mammals. Occur in ... Feed on variety of fish and marine invertebrates. Gregarious; live in rafts' of about 100 individuals ...
Title: Statistics in Ecotoxicology using . Last modified by: Stephen Cox Document presentation format: On-screen Show Company: Stephen Cox Other titles
N = (Number Marked) X (Catch Second Time) Number Of Marked Recaptures ... Weather - Hot, Cold, Dry. Extremes. Natural in Many Species. Mixed Density Dependent and ...