vernal pool


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vernal pool

n.
A seasonal body of standing water that typically forms in the spring from melting snow and other runoff, dries out completely in the summer, often refills in the autumn, and provides an important breeding habitat for many terrestrial or semiaquatic species, such as frogs and salamanders.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
For more information about the Vernal Pool Hike visit www.ConserveMC.org or call TLC's office at 815-337-9502.
Pages 140-146 in Ecology, conservation, and management of vernal pool ecosystemsproceedings from a 1996 conference.
Tiny spicebush blossoms form a yellow haze throughout the stream valley as a melodic chorus of spring peepers pipes up from every vernal pool. Wood ducks paddle past budding trout lilies, and phoebes call out as they explore their nesting sites under the West Beach Drive bridge.
A critical and poorly understood component of vernal pool ecology and conservation is the effect of hydroperiod on vernal pool ecosystems (Brooks, 2004; Brooks and Hayashi, 2002).
Gall, Mina, and their collaborators in Penn State's Department of Biology (Tracy Langkilde and her graduate student, Bradley Carlson) have identified seven vernal pool sites across an agricultural impact gradient, with the Living Filter sites among those most impacted by agricultural activities.
Instead, diversification has been thought to be divergent and possibly, in the case of the core vernal pool species, driven by isolation following fragmentation of a mid to late Pliestocene vernal pool that once covered the central plain of California, or by dispersal from pool to pool accentuated by genetic bottlenecks and drift.
So far, prices have ranged from a few thousand dollars for upland habitat credits to substantially more for vernal pool credits.
Meanwhile, within the Stone Lakes NWR, the pipeline traverses annual grasslands, seasonal wetlands, drainage features and vernal pools. These pools are depressions that remain inundated during the rainy season and provide habitat to a unique assembly of plants and animals, such as the federally listed vernal pool fairy shrimp, that complete their life cycles before the pools dry out during the dry season.
This property supports important vernal pool and grassland habitats, and such endangered species as the vernal pool tadpole shrimp (Lepidurus packardi).
Thus we get: "a party was taking shape, a warm weather animal with the short intense life of something born in a vernal pool." And: "Oh, there's Roger Morton, Miriam said, as a man as thin as his malacca cane came weaving through the crowd.
A "vernal pool" is a small, transient, biologically dynamic pond that appears in low-lying areas (especially in spring) and then typically dries up as the seasons of the year progress.