from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To kill (plants, for example) by exposing to extremely cold winter weather.
- intransitive v. To die from exposure to cold winter weather. Used especially of plants.
- n. Death, as of plants, resulting from exposure to winter weather.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The mortality resulting from lethal wintry conditions among a human, animal, and/or vegetal population.
- v. To kill by the conditions of winter, especially the effect of the cold, freezing.
- v. To die from the above effects of winter conditions.
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. To die as the result of exposure to the cold of winter.
- transitive v. To kill by the cold, or exposure to the inclemency of winter.
from The Century Dictionary and Cyclopedia
- To kill by cold in winter: as, to winter-kill wheat or clover.
Still, heavy winterkill in some regions—estimated at 16% in the key Volga region—and delays to spring plantings mean many observers remain cautious about Russia's output.
Also, I don't know if it has affected the lakes in Manitoba, but the harsch winter severly rose the number of fish decimated due to winterkill in ND, and it could be a factor where you are headed.
Lower water levels, which reduce under-ice water volumes and increase the likelihood of winterkill, could possibly counteract this effect.
In polar semi-deserts, nutrient addition generally had a negative effect on vascular plants, due to enhanced winterkill, but stimulated the growth of mosses , an effect opposite to that in low-arctic tundra.
As well, the ponds may be less hospitable to predatory fish because the dams are often located on small streams where winterkill conditions are common, the study suggests. posted by Chad Arment @ 12: 55 AM
Since most fish would not overwinter in lakes without oxygen, the variable period of autumn mixing prior to ice cover may be a deciding factor in the winterkill.
Amid the forecasts for cold weather, some market observers expressed concern that areas without snow cover could suffer from winterkill.
Private agricultural-weather firm Cropcast said some winterkill damage occurred last weekend in western Nebraska and the contingent areas in Kansas and Colorado "another bout of cold air appears likely during the next three mornings in many of the same areas."
Three hundred yards behind the house was a woods bordered with trees that were gray with dead leaves and the scales of air vines, as though the treeline had been matted with premature winterkill.
The sun burned like a flare on a marshy horizon that was gray with winterkill.
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