Term
| What are the 4 sampling designs? |
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Definition
Simple
Systematic
Stratified
Cluster |
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Term
| What is simple random sampling? |
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Definition
Every unit in the population has an equal chance of being drawn in the sample.
Ex. Random number generator |
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Term
| What is systematic random sampling? |
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Definition
Selecting sampling units at regular intervals.
ex. Every third capture |
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Term
| What is stratified random sampling? |
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Definition
Used when obvious subpopulations exist within the population being sampled.
ex. splitting a group into male and females |
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Term
| What are sub-populations called in stratified sampling? |
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Definition
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Term
| What is cluster random sampling? |
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Definition
A simple random sample in which each sample unit is a cluster or collection of observations
ex. random herds of deer |
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Term
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Definition
Things a super villain has.
Plots are geographic areas (circular, square, or rectangular) that are the elements of the population |
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Term
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Definition
| A set of points is established throughout the population and measurements are taken from each sample point. |
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Term
| What is transect sampling? |
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Definition
| A transect is a straight line placed in the area to be sampled. |
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Term
| What are the 5 uses of remote cameras? |
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Definition
Humans would cause disturbance to wildlife behavior
Can be used for extended times
Can be used in dangerous areas
Data can be verified
Better in the dark than human eyes |
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Term
| What determines the effectiveness of cameras? |
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Definition
Battery life
Data storage capacity
Picture quality (resolution |
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Term
| What three things help battery life on cameras? |
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Definition
Higher capacity batteries (lithium)
Solar charges
External battery packs |
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Term
| What are active infrared cameras? |
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Definition
| Create a trip line of light, activating when it is broken |
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Term
| What are passive infrared cameras? |
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Definition
| Detect radiation and movement to activate |
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Term
| What are the methods for estimating abundance? |
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Definition
Drive counts
Strip counts
Line transects
Removal methods
Mark-recapture methods |
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