Shared Flashcard Set

Details

WMAN300
WMAN300
31
Environmental Studies
Undergraduate 3
10/04/2016

Additional Environmental Studies Flashcards

 


 

Cards

Term
What is the Sample unit in marked animals
Definition
Individual animals with known identities.
Term
What is the Response Variable in marked animals?
Definition
Things like alive or dead in a survival study.
Term
What is the Predictor Variable in marked animals
Definition
In presence or absence studies, things like types of plants or water depth
Term
What are the steps of designing a study?
Definition
Identify target population
Identify potential study sites within the target populations
Use a probabilistic sampling scheme to Identify actual study sites
Identify trap sites within study sites
Term
what is a beam trawl?
Definition
Beam keeps mouth open, fixed area
Term
What is an otter trawl?
Definition
Use trawl doors to keep the mouth open through lateral pressure
Term
What are some factors that influence gear choice?
Definition
Environmental influences
Crew experience
Behavior/ecology
Term
What is the current used for electrofishing?
Definition
Pulsed Direct Current
Term
What is Density?
Definition
The number of individuals per unit space withing a particular area at a particular time
Term
What is n2 in the Lincoln Peterson index?
Definition
Total number of individuals captured during a trapping season
Term
What is m in the Lincoln Peterson index?
Definition
number of recaptured animals
Term
What is n1 in the Lincoln Peterson index?
Definition
the total number of marked animals in the population
Term
What is the detection probability formula in the Lincoln Peterson index?
Definition
p=m/n1
Term
What is the lincoln peterson formula?
Definition
N=((n1+1)(n2+1)/(m+1)) -1
Term
What is 1st order selection?
Definition
The physical range limit of a species?
Term
What is second order selection?
Definition
Placement of home range within a species geographic range.
Term
What is 3rd order selection?
Definition
Physical locations within an animals homerange.
Term
What is design 2?
Definition
The individual animal is identified
Term
What is design 3?
Definition
The individual animal is identified and intensley studied
Term
What are eDNA primary sources?
Definition
egestion, excretion, secretion, exfoliation, reproduction, decomposition
Term
What are eDNA secondary sources?
Definition
predators, scavengers, coprovores, detritrivores
Term
Mark recapture techniques are used to study what?
Definition
abundance and survival
Term
Third order habitat selection refers to?
Definition
an animals physical location within a home range
Term
You have counts of individuals within, and the proportion of area represented by each habitat. What statistics technique do you use?
Definition
Chi squared
Term
The lincoln peterson estimator assumes what?
Definition
No mortalities during the study
Term
Program mark is what?
Definition
Software for conducting advanced mark and recapture
Term
Selection ratios are used to do what?
Definition
Determine if a habitat is used more or less than expected.
Term
What account for imperfect detection when estimating abundance?
Definition
Lincoln peterson estimator
Term
A type 1 design does not require what?
Definition
Does not require individual animals to be marked
Term
When do you choose to use a chi square test?
Definition
Evaluate patterns of habitat selection?
Term
What is a t-tests used for?
Definition
Compare the means of two categorical populations?
Supporting users have an ad free experience!