# Shared Flashcard Set

## Details

CJS and Known Fate
Population Modeling
13
Environmental Studies
03/12/2014

## Additional Environmental Studies Flashcards

Term
 Give a brief description of the cormack jolly seber model
Definition
 The CJS is a model used to estimate survival of a population based on data collected by capturing, marking, and recapturing individuals
Term
 Provide a model diagram for the CJS
Definition
 [image]
Term
 List the relevant parameters calculated in the CJS
Definition
 calculates survival rate between capture occasions (Phi) and probability of capture at each occasion (p)
Term
 Give a brief definition of each parameter used in the CJS
Definition
 Ī¦ (Phi)- suvival rate p- probability of capture
Term
 Provide the encounter history format for the CJS model
Definition
 A list of 0s and 1s where 0= no capture of that idvidual for that occasion 1= capture for that individual for that occasion followed by Xw (the number of individuals that hat that exact encounter history or frequency)
Term
 Provide and interpret and example encounter history for 6 idviduals in the CJS format
Definition
 011001 4; 000100 2;
Term
 Provide an example/imaginary data set that would be appropriate for the CJS
Definition
 Estimating survival rate of Alligator Gar in a backwater habitat on the Trinity using gill nets and electroshocking techniques
Term
 Give a brief description of the Known Fate model
Definition
 A model that asses survival rates of a population that is baed on data in which the death of the death of an animal is known
Term
 provide a model diagram for Known Fate
Definition
 [image]
Term
 List the relevant parameters calculated and the definition of each parameter for Known Fate
Definition
 Known Fate calcualtes S_hat which is an estimate of the survival rate
Term
 Provide the encounter history format for Known Fate
Definition
 The enoucnter history format is based on wether the individual was alive or deadduring a time interval followed by Xw-the number of individuals that have that exact same encounter history (frequency) 10- found and didn't die 11- found and was dead 01- invalid b/c animal cant be counted dead if not ever found 00- animal either not captured yet or not accounted for during time interval in question
Term
 Provide and interpret an example encounter history format for 5 individuals for Known Fate
Definition
 00 10 10 11 1; caught 2nd and 3rd interval, died in 4th 11 00 00 00 1; caught and died in first intervalĀ  10 10 10 10 1: caught in all intervals 00 10 00 11 1; caught in 2nd interval, died in 4th 10 00 00 00 1; caught in first interval and not captured again
Term
 Provide an example/imaginary data set that would be appropriate for Known Fate
Definition
 This could be used to estimate survival of radio tagged chupacabras in the Lubbock area. They are here and they are eating all the poor Cat Ladies' cats.
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