a process designed to evaluate the condition and structure of environmental habitats
habitat assessment
describes the role an organism plays in a community
niche
habitat assessment
what use or importance would measuring these parameters be to a wildlife biologist?
allows them to gain vital information about animals and their habitats, which is essential for effective conservation and management efforts
Types of Observations
Ocular Observation
common instruments used in ocular observation
Audio Observation
common instruments used in audio observation
specialized microphones or recorders
Trapping
two types of traps
used by biologists to capture and release animals unharmed
Restraining traps
meant to result in immediate death and are used either on land or underwater
Kill traps
Physical Disturbance
example of physical disturbance
Subtypes of Restraining Traps
Csn be a container or cavity, dug in soil or other materials, with an opening at the top, which collects organisms that fall in
Pitfall trapping
Works on the principle of luring wherein a bait is placed inside and a trigger causes the door to close and lock as the animal enters
Box and Cage
Large enclosure used to capture multiple animals at once, typically larger mammals or group of animals. They consist of a fenced area with one or more entry points
Corral
Used to capture animals of all sizes, from small rodents to large mammals. It can be placed on the ground or suspended in the air.
Nets
Capture animals by tightening a loop of wire or cord around part of the animal’s body, typically the neck or limb, when the animal triggers the trap
Snares
Subtypes of Killing Traps
Has two metal frames which allow a torsion spring on each side to rotate the frames and close them in a scissor-like fashion
Rotating-jaw traps
Have one jaw that closes from 180° on a flat surface
Snap traps