Glossary - F
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F

false alarm
incorrectly deciding on the basis of a statistical test that a signal is present when it is in fact absent. A false positive.
false alarm probability p(FA)
the probability of incorrectly deciding on the basis of a statistical test that a signal is present when it is in fact absent.
false killer whale
Pseudorca crassidens
false negative
an error when one concludes that there is not a real difference between two means when, in fact, there is a difference; also called a Type II error.
false positive
an error when one concludes that there is a real difference between two means when, in fact, there is not; also called a Type I error.
fat emboli
a fat globule in the bloodstream that is often caused by physical trauma such as fracture of long bones, soft tissue traum, or burns.
fathead minnow
Pimephales promelas
fecund, prolific
fruitful in offspring or vegetation
fiddler crabs
Uca rapax
fin Whale
Balaenoptera physalus
finfish
teleost bony fishes, in other words, not sharks/skates/rays, and not shellfish.
finless porpoise
Neophocaena phocaenoides
fishery
the industry or occupation devoted to the catching, processing, or selling of fish, shellfish, or other aquatic animals.
fishes
two or more fish species. For example, if you have three fish species in an aquarium (such as a clownfish, damselfish, and goby), you would say "three fishes." If you have three clownfish (all of the same species), you would say "three fish."
fluke
the two lobes of a whale tail.
focal animal observations
observations concentrated on individual animals that record everything they do
foraging
to search for food
foraging behavior
the way in which an animal searches for food; the process, or series of actions, that an animal goes through to find food
Franciscana dolphin
Pontoporia blainvillei
frequency
the rate of repetition of a regular event. The number of cycles of a wave per second. Expressed in units of Hertz (Hz)
frequency spectrum
a graph of a sound that plots the intensity of each frequency in the sound. Plural is spectra.
frequency weighting
a method for quantitatively compensating for the fact the animals do not hear equally well at all frequencies within their hearing range.
fright response
responding out of fear
fundamental frequency
the lowest frequency of a harmonic series. The fundamental frequency is also called the first harmonic frequency (f) of a harmonic series.