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Lichens in Medical Dictionary

Lichen

...is the greenish-yellow foliose lichen Candelaria concolor. ... A few lichens are known to contain yellow... For more information about the topic Liche...al education ... Lichen sclerosus—pronounced "LIKE ... A database of lichens in the U.S. National Parks ... All lichen names were standardized to Ver...
Lichens in Biological News

Technical report explores role of lichens as bioindicators

Lichens are veritable canaries in the coal mine, well-recognized for their ability to signal environmental conditions through their presence and abundance in forest landscapes. So useful are some species of lichens as bioindicators that the USDA Forest Services Forest Inventory and Analysis (FIA) ...

First ever worldwide census analysis of caribou/reindeer numbers reveals dramatic decline

...r summers that cause more intense insect activity harassing animals and affecting their feeding; the impact of more freezing rain during winter on the lichens that animals feed on during the colder months. In the boreal forest industrial development has largely driven the decline. ...

UC Riverside researcher names lichen after President Barack Obama

...00 species reported from California. More than 300 lichens have been reported from Santa Rosa Island, almost ... obamae teaches us that possibly other species of lichens and plants unique to Santa Rosa Island may have di...chens. Colleagues have named three new species of lichens after him. He noted that he became interested i...

Lichens function as indicators of nitrogen pollution in forests

... Scientists have found lichens can give insight into nitrogen air pollution effects on Sierra Nevada and S...mining critical loads and preventing broader impacts to forests. Protecting lichens also has inherent value because of their complex hydrological, nutrient cyc...

The conservation lens

...timate the diversity of the dominant vegetation, namely tiny bryophytes and lichens growing on trees, soils and rocks. They assess its regional and global ...n South America, from the tropics to Cape Horn. Mosses, liverworts, and lichens are important pioneer species colonizing bare rocks, and soil. They occur t...

Freeze-dried mats of microbes awaken in Antarctic streambed

... open expanses of barren ground, stream channels and permanently ice-covered lakes. The life forms inhabiting the area include microorganisms, mosses, lichens and a few groups of invertebrates. Study collaborators included Cathy Tate of the U.S. Geological Survey, Denver; Ned Andrews of the USGS, Boulder,...

Evidence of 600-million-year old fungi-algae symbiosis discovered in marine fossils

...ces, is a paleobotanist who has reported on fossil lichens in Scotland. Lichen is a consortium of two orga...g in more than a chance association." In modern lichens and in the 400-million-year-old Scotland fossils, ...tionship," Xiao said. Fungi and algae in modern lichens can easily marry and divorce, he said. "Given the ...

Robot-based system developed at Carnegie Mellon detects life in Chile's Atacama desert

... most areas of the Atacama, but the rover's instruments were able to detect lichens and bacterial colonies in two areas: a coastal region with a more humid cli...e Atacama were examined, and scientists found that they contained life. The lichens and bacteria in the samples are growing and awaiting analysis." Waggoner...
Lichens in Biological Definition

Botany

... change research. Recording and analysing the timing of plant life cycles is an important part of phenology used in climate change research. lichens , which are sensitive to atmospheric conditions, have been extenisvely used as pollution indicators So in many different ways, plants can act a ...

Fungus

...worms, which are then consumed. Some fungi, usually ascomycetes, live as lichens . A lichen is a very close mutualistic relationship between a fungus and ... green alga . A lichen behaves in so many ways like a single organism that lichens are actually given species names. Pathogenic species Fungal disea...

Lichen

...ambiguation) . Crustose and foliose lichens on a wall Foliose lichen on basalt ... a fruticose form, growing on a tree branch lichens are symbiotic organisms made up by the associat...lgae or cyanobacteria and filamentous fungi . lichens take the external shape of the fungal partner and ...

Mycology

...braham Joffe . Also, fungi are fundamental for life on earth in their roles as symbionts , e.g. in the form of mycorrhizae , insect symbionts and lichens as well as their potency in breaking down complex organic biomolecules such as wood as well as xenobiotics are a critical step in the global ...
Lichens in Biological Dictionary

Lichens

Lichens are composite organisms consisting of a symbiotic association of a fungus (the mycobiont) with a photosynthetic partner, usually either a green alga or cyanobacterium . The morphology, physiology and biochemistry of... Offers information on the biology and ecology of lichens...

Sorus

...uitdot. ... Information about sorus in the free online English dictionary and encyclopedia. ... sorus - a spore-producing structure in certain lichens and fungi ... Definition of sorus from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word g...

Lichen

...inition of Lichen at Dictionary.com a free online dictionary with ... of lichens . Foliose lichen . Fungus lichens . Crustose lichen . Classification ... Lichen sclerosus — Comprehensi...

Foliose

... An assortment of fruticose and foliose bark lichens from white fir (Abies ... A foliose bark lic...re. Foliovorous ... foliose lichen, foliose lichens ... When foliose lichens such as the one at the right mature, reproductive...
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