Sentences with phrase «use lichens»

Scientists can therefore use lichens to date ancient rock slides and gauge the pace of retreating glaciers.

American artist Tad Mike works outdoors, using lichen, grass, flowers and stones as some of his tools for painti...

American artist Tad Mike works outdoors, using lichen, grass, flowers and stones as some of his tools for painting and drawing.

Not exact matches

Scandinavian firm Adolfsson & Partners used both silhouttes of artificial trees (made out of painted plywood) and real lichen to make the offices of King Studios feel like a Swedish forest.

Moving in tightly, using natural light to achieve a kind of luminescent quality, he now works with what might be called commonplace objects of nature, creating abstract studies of the form and fabric of lichens, ice crystals, seeds, wind - blasted wood, insect - eaten leaves.

October 10: Adventure into the woods to collect acorns, pine cones, lichen, bark, and moss, and use them to build Fairy Houses and Gnome Homes (Newburyport)

Lichens are commonly used to monitor ecosystem health and the impact of atmospheric pollution.

The authors state that «the effective use of genetic data appears to be essential to appropriately and practically identify natural groups in some phenotypically cryptic lichen - forming fungal lineages.»

Until the 19th Century, peppered moths were predominantly pale - coloured, and used this to camouflage themselves against lichen - covered tree trunks, which made them almost invisible to predators.

We have been measuring vegetation for 20 years, so we can also use that to say, «Wow, we are losing grasses,» for instance — which we are — and say, «Okay, parks, you know, you are losing grasses, and you're losing grasses in areas that have never been grazed and are not visited by people, and you're losing that lichen, Collema, in an area that has never been grazed and has never been visited by people.

For example, the pesticide lindane, used in agriculture as well as to treat head lice, did not accumulate in fish but did build up in Canadian wolves that had fed on caribou, which in turn had been eating lichen.

Some lichens produce toxins that might serve as natural pesticides; one genus, Vulpicida, was once used in Scandinavia to poison wolves.

Lichen - derived substances have been used as antibiotics and other drugs.

When they come across a crusty specimen, they use chisels or knives to cut a sample of the lichen and its substrate, sealing it all in a paper bag.

The researchers then assayed concentrations of copper in the lichens and compared the results with those acquired using mechanical monitoring devices.

Dietary supplements can be manufactured using intact sources or extracts from plants, animals, algae, fungi or lichens, including such examples as ginkgo biloba, curcumin, cranberry, St. John's wort, ginseng, resveratrol, glucosamine and collagen.

Nicholau uses oral xylocaine to deal with the pain of oral lichen planus and help her eat, but the numbing factor means she can't taste her food.

It is believed that various men lived here for a time and worked harvesting a species of lichen, Rocella tinctoria, which was used as a dye.

The tower extension is clad with agricultural cement board, usually used on cowsheds, which they will smother with yoghurt and cow pat to encourage mosses and lichens to grow.

Warmer temperatures have increased the amount of snow and ice on the ground (because more moisture evaporates into the atmosphere), which forces caribou to dig deeper to feed on the lichens and mosses below, using up energy; some die of exhaustion and starvation.

• Simply wash the furniture (without the cushions) using a brush and soapy water once a year to remove any algae and lichens from the eucalpytus.

Simply wash the furniture (without the cushions) using a brush and soapy water once a year to remove any algae and lichens from the eucalyptus, but please make sure the set is well ventilated otherwise mould may form.

Choose a grey - toned shade of lichen green and use it sparingly for a soothing, country - inspired scheme.