Wildlife Techniques Exam 2
1. Natural marks 2. non-invasive marks, leg bands 3. Invasive mark, ear tags or piercings -
ANS-hierarchy of marks
3 or 4 feet on ground, bobcats - ANS-Walk
able to connect what is happening with numbers occurring
has hypothesis and tests
needs further tests - ANS-Natural/ observational research
Abundance of animals are marked
occupancy
habitat use
range
species interactions - ANS-Questions that can be answered with camera traps
Active or Passive and Constraint or Restraint - ANS-How are capture devices classified?
Animal can move in trap, culvert trap - ANS-Constraint
Animal is restrained by a limp, snares - ANS-Restraint
Area in which an animal has been seen or could be seen, migration is included - ANS-Range
because they are non invasive - ANS-Why do wildlife scientists use observational studies to
study wildlife?
Blobs, examiner bias - ANS-Which of the following can make DNA profiling subjective?
can record data that may be hard to aquire
non invasive - ANS-Advantages of camera traps
collaring
capture recapture method - ANS-alternative methods to cameras
correlation does not equal causation
conducting experiments in better
manipulative are best - ANS-Laws of Association Modern vs. History
digitigrade
4 toes
, no nails - ANS-egret track
digitigrade
3-4 toes visible
toes are spread out - ANS-turkey tracks
digitigrade, 4 toes and claws, X shape - ANS-coyotes track
eDNA
dung analysis
blood analysis - ANS-advancements in genetic methods to study wildlife and fish and be able to
compare those methods to conventional methods
eDNA for occupancy
DNA sampling scat - ANS-Advantages of genetic methods
expensive
cannot track animal
cannot tell you abundance unless animal is marked - ANS-Disadvantages of cameras
methods- • Fish• experimental gill nets • miniature fyke nets • minnow traps • Water quality •
Hydrolab MS-5 and YSI Professional Plus • Hydrology • In-Situ pressure gauges and depth stick
• Vegetation • Two 0.1-hectare plots per site
objectives- What is the influence of habitat heterogeneity and connectivity on fish assemblage
structure? 2. Do floodplain forests support fishes in all life stages? 3. What carbon sources
support the river food web? Results of this work will inform conservation and restoration
initiatives for floodplain forests in the Southeastern USA.
marking methods-
trade offs-
observational study - ANS-Dr. Correa guest lecture
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