Sentences with phrase «of aquatic insects»

A series of studies were conducted by a team of researchers, led by Jennifer Phelan, Ph.D., a senior ecologist at RTI International, to understand the relationships between changes in streamflow and the diversity of fish and richness of aquatic insects.

Using developmental genetics, evolutionary analysis, biomechanics and ecology, the researchers paint a picture of how a vital novelty evolved within one group of aquatic insects.

Of the species collected during their expeditions, five have never been recorded in South Africa before, highlighting our poor understanding of aquatic insect distributions in this part of the world.

Not exact matches

Next, the team plans to investigate the effects of nanoparticles in a controlled wetland ecosystem, complete with algae, aquatic plants, microbes, insects, zooplankton and fish.

That hardening, in turn, harms aquatic ecosystems, such as by reducing the diversity of insects (right graph).

Pyrethroids are showing up not only in sediments, but also in the currents of California rivers, at levels toxic to insects and aquatic invertebrates that fish and other animals feed on.

Researchers at Grand Valley State University's Annis Water Resources Institute are learning more about the impact invasive zebra mussels and native aquatic insect larvae have on the risk of algae blooms in two West Michigan lakes.

«We collected a liter of water, which meant we could extract DNA from a staggering number of species, from aquatic insects, such as mayflies, to the beaver who lives further upstream,» explains study coordinator Altermatt.

Consequently, the scientists gained a fingerprint of the organisms living in entire catchment areas and demonstrate the potential of environmental DNA for determining the biodiversity of all animals, from aquatic insects to mammals.

Among their findings: in streams with the amphetamine addition, the growth of biofilms was significantly suppressed, the composition of bacterial and diatom communities changed, and aquatic insects emerged earlier.

RESEARCH TRIANGLE PARK, NC — The health of fish and aquatic insects could be significantly affected by withdrawals of fresh water from the rivers and streams across North Carolina according to a new scientific assessment.

At a school in the Ozarks, a tenth - grade biology class used the electron microscope to examine small aquatic insects as indicators of water quality.

Ilenna has raised many species of pets throughout her life including dogs, cats, birds, rabbits, mice, aquatic turtles, lizards, and even some insects!

Inventory activities include counting seals, documenting insects, spotting birds, examining aquatic invertebrates and using technology to better understand the varied ecosystems of these unique national parks in an urban area.

Regarding Ried Nelson's entry — the combination of pyrethroid insecticides and associated chemical adjuvants like piperonyl butoxide are not entirely harmless, especially to beneficial insects, children, aquatic organisms and cats.

Called «underwater architects,» Caddisflies are a common aquatic species of insect that collect natural, substrate materials like sand, gravel, leaves and twigs to build protective shells around their bodies, using silk excreted from salivary glands near their mouths to hold it all together (as seen below, au naturel).

If you can, vary the depths of the water as shallow areas will be used by bathing and drinking birds and emerging dragonflies, while deeper areas will help aquatic insects survive the colder months.