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predation pressure

American  

noun

Ecology.
  1. the effect of predation upon a population, resulting in the decrease in size of that population.


Etymology

Origin of predation pressure

First recorded in 1940–45

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"Our results indicate that relaxed predation pressure is key to warning signal variation in this species, whereas stronger pressure leads to signal conformity and stronger signals," said Professor Caro.

From Science Daily Nov. 21, 2023

When the lynx population is low, the hare population size begins to increase due, in part, to low predation pressure, starting the cycle anew.

From Textbooks Sep. 6, 2018

In a mere two years, the guppies evolved from drab-colored with small spots to colorful with larger spots in response to the great lessening of predation pressure.

From Washington Post Aug. 25, 2017

The early years of the study seemed to support predictions that in a closed system, predator and prey populations would follow law-like mirror-image cycles, driven by predation pressure.

From Nature Feb. 12, 2014

Although voles were a common item of prey for many species of predators on the Reservation, no marked effect on the density of the population of this vole could be attributed to predation pressure.

From A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas by Martin, Edwin P.

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