Sentences with phrase «how road salt»

With this background in mind, researchers in the Relyea lab at Rensselaer questioned how road salt and the insecticide carbaryl act alone and in combination to affect the structure and function of wetland food webs (carbaryl [commercial name: Sevin] is one of the most commonly applied insecticides in the United States).

In addition to providing further evidence that pesticides can dramatically change the structure and function of aquatic ecosystems, our experiment is among the first to demonstrate how road salt can have similar effects.

We set out to test how road salt alternatives and additives might affect a common urban mosquito, Culex restuans.

Not exact matches

Well, air and pavement temperatures are very important, not only in how we do the plowing, but in terms of salt and other additives that we'll use to treat the road conditions,» Driscoll said.

Brown adds, «We found a direct relationship between how well fed the animals were and their sensitivity to road salt.

«If the sensitivity to road salt is influenced by how well - nourished the animals are, the current water quality guideline would not protect aquatic life,» points out Yan.

Using data on the rate at which water flows in the creek and official figures on how much salt is spread on the roads, he calculated that even by November only about 45 per cent of the previous winter's salt had been washed down the creek; the rest remained in the ground water.

Researchers then studied how well the descendants of the different populations fared when subsequently exposed to road salt, from 30 to 1,900 milligrams per liter, for 48 hours.

«I know a lot of people who turned around when they heard how bad the roads were from Salt Lake,» a marcher on the street said.

Now, all car companies seem to be doing well on rust prevention, considering how much salt they dump on the roads up north.

This unusual combination of ingredients is becoming more common as cities and municipalities realize how effective it is at keeping roads clear and reducing the amount of salt needed.

As a result, long - term forecasts — the ones that help determine the price of oil or natural gas futures, the ones that determine how much road salt your town buys this fall — are looking a bit like guesswork.