Wildlife Techniques Exam 2
Active or Passive and Constraint or Restraint - ANS-How are capture devices classified?
Trap activated by human - ANS-Active
Trap activated by animal - ANS-Passive
Animal can move in trap, culvert trap - ANS-Constraint
Animal is restrained by a limp, snares - ANS-Restraint
1. Natural marks 2. non-invasive marks, leg bands 3. Invasive mark, ear tags or piercings -
ANS-hierarchy of marks
Number of individuals to a statistic measurement - ANS-Abundance
Probability that a species is in an area, 0-1 measurement, cannot confirm absence -
ANS-Occupancy
Area in which an animal has been seen or could be seen, migration is included - ANS-Range
Not everything that is ideal is plausible
minimal pain or stress
no negative effects on reproduction or survival rate
easy to apply
seen from a distance
not expensive - ANS-Trade off of methods
Abundance of animals are marked
occupancy
habitat use
range
species interactions - ANS-Questions that can be answered with camera traps
can record data that may be hard to aquire
non invasive - ANS-Advantages of camera traps
expensive
cannot track animal
cannot tell you abundance unless animal is marked - ANS-Disadvantages of cameras
, collaring
capture recapture method - ANS-alternative methods to cameras
Tendency to use methods that are not most suitable just because resources are available
backpacking turkeys for population estimates - ANS-Maslow's Hammer
peer reviewed journals
not NOAA "Government: - ANS-Primary literature
set up 2 cameras to get different angles with the flash on - ANS-If wanting to ID individual
jaguars with cameras for abundance
the goal
species
camera height
trigger time
flash
infrared- body heat
motion sensor- motion detected
day or night sensor
where picture is sent to - ANS-What is important to know about camera traps
correlation does not equal causation
conducting experiments in better
manipulative are best - ANS-Laws of Association Modern vs. History
eDNA for occupancy
DNA sampling scat - ANS-Advantages of genetic methods
states the prediction and outcome of a relationship - ANS-research hypothesis
population - ANS-smallest unit evolution occurs
preliminary
no hypothesis
describes system
cannot make inference - ANS-Descriptive research
able to connect what is happening with numbers occurring
has hypothesis and tests
needs further tests - ANS-Natural/ observational research
variable can be changed
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