Is irruption a word?

Is irruption a word?

a breaking or bursting in; a violent incursion or invasion. Ecology. a sudden increase in an animal population.

What does irruption mean in biology?

Irruption. Act or process of breaking through to a surface.

What’s the difference between eruption and irruption?

To erupt is explode or blast like a volcano. To irrupt is to enter forcibly or all of a sudden.

What causes bird irruption?

The most common cause is a phenomenon called “masting,” which occurs when a single tree species produces a large number of seeds across thousands of miles of forest in the same year.

What is the synonym of erupted?

emit, discharge, eject, expel, spew out, belch, belch out, pour, pour out, disgorge, give off, give out. gush, spout, spurt, stream, flow, issue. 3’fighting erupted in the streets’ break out, flare up, blow up, boil over, start suddenly.

What is an Irruptive growth curve?

Irruptive growth is a growth pattern over time, defined by a sudden rapid growth in the population of an organism. Populations of some species initially show a lack of response to density-dependent factors that limit population size as it nears the carrying capacity of the environment.

How do you use irruption in a sentence?

a sudden violent spontaneous occurrence (usually of some undesirable condition).

1. All day Monday, because he is the irruption.
2. Underground engineering is frequently threatened by ground water irruption.
3. Aunt Gillenormand looked on in amazement at this irruption of light in her elderly household.

What are irruption years?

Every few years we have what are known as “irruption” years. These are years when finches and other species that generally winter in the boreal forest in Canada and the far north, move south to the joy and amazement of bird enthusiasts.

What is an irruption year in birding?

Birders rave about “irruption years,” and this winter is one! An irruption occurs when cone crops across large swaths of Canada’s boreal forests fail. Drought, fire, disease, spruce budworm outbreaks or other disasters dramatically reduce cone production among spruce, aspen, ash, and/or birch.

What is the meaning of the word irruption?

Definition of irruption. : an act or instance of irrupting: such as. a : a sudden, violent, or forcible entry : a rushing or bursting in …the assassination still feels like a primal catastrophe—an irruption of inexplicable evil as horrifying as any supernatural bogeyman.— Ross Douthat.

What is an irruption in birds?

— Theresa Machemer, Smithsonian Magazine, 11 Mar. 2021 An irruption is a migration of large numbers of birds to areas where they aren’t typically found. — Star Tribune, 22 Dec. 2020 Evening grosbeaks are undergoing their largest irruption in more than 20 years, according to the authors.

What is an irruption in ecology?

c ecology : a sudden sharp increase in the relative numbers of a natural population usually associated with favorable alteration of the environment The owl’s appearance came during an irruption, a huge southward migration of snowy owls from their arctic territories that, this year, followed a successful breeding period.— Scott Carroll.

What is the difference between irruption and outbreak?

irruption – a sudden violent spontaneous occurrence (usually of some undesirable condition); “the outbreak of hostilities”. outbreak, eruption. happening, natural event, occurrence, occurrent – an event that happens.