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Topics related to "Bark scale"

scale insect
scale insect common name for members of a highly modified group of insects belonging to several families of the superfamily Coccoidea. Scales possess antennae and are characterized by reduced legs. Only the males have wings; females are always wingless. Scales are popularly subdivided into three gr... Read more
Mercalli scale
Mercalli scale An earthquake-intensity scale based on direct observation. Devised by G.Mercalli, it ranges from scales I (not felt) and II (felt by most people at rest) to VII (difficult for a person to remain standing), X (most structures destroyed), and XII (total devastation). It is not a reliab... Read more
Celsius temperature scale
Celsius temperature scale , temperature scale according to which the temperature difference between the reference temperatures of the freezing and boiling points of water is divided into 100 degrees. The freezing point is taken as 0 degrees Celsius and the boiling point as 100 degrees Celsius. The... Read more
quadrant
quadrant in technology, angle-measuring device based on a scale of 90°. It is sometimes confused with the sextant , a similar instrument based on a scale of 60°. The quadrant is rarely used today. ... Read more
scale
scale in zoology, an outgrowth, either bony or horny, of the skin of an animal. The major component of the scales of fishes is bone, and they are formed directly in the skin membrane as the fish grows. The number of rows of scales, as well as the kind, figures in the identification of a species. Th... Read more
Fahrenheit temperature scale
Fahrenheit temperature scale , temperature scale in which the temperature difference between two reference temperatures, the melting and boiling points of water, is divided into 180 equal intervals called degrees. The freezing point is taken as 32°F and the boiling point as 212°F. The scal... Read more
kelvin
kelvin abbr. K, official name in the International System of Units (SI) for the degree of temperature as measured on the Kelvin temperature scale . ... Read more
Beaufort scale
Beaufort scale a scale of wind velocity devised (c.1805) by Admiral Sir Francis Beaufort of the British navy. An adaptation of Beaufort's scale is used by the U.S. National Weather Service; it employs a scale from 0 to 12, representing calm, light air, light breeze, gentle breeze, moderate breeze... Read more
Kelvin temperature scale
Kelvin temperature scale a temperature scale having an absolute zero below which temperatures do not exist. Absolute zero , or 0°K, is the temperature at which molecular energy is a minimum, and it corresponds to a temperature of -273.15° on the Celsius temperature scale . The Kelvin ... Read more
scale
scale in cartography, the ratio of the distance between two points on a map to the real distance between the two corresponding points portrayed. The scale may be expressed in three ways: numerically, as a ratio or a fraction, e.g., 1:100,000 or 1/100,000 ; verbally, e.g., "one inch to one mile... Read more

Encyclopedia entries related to "Bark scale"

beech
Book article from: The Columbia Encyclopedia, Sixth Edition ...distinctive smooth, silvery gray bark and pale green leaves that turn golden...through lumbering and through beech bark disease, a fungal infection that...the tree through holes bored in its bark by a scale insect. The blue, or water, beech...
mangrove
Book article from: The Columbia Encyclopedia, Sixth Edition ...absorbing the effects of storm and some tsunami waves, but many mangroves have been harvested destructively on a large scale. The bark is a rich source of tannins, and the wood is used for wharf pilings and other purposes. Some mangrove species lack...
Sequoia
Encyclopedia entry from: The Gale Encyclopedia of Science ...2.5 cm) and have 15-20 scales. The seeds tend not to germinate...a thick, reddish, fibrous bark as much as 10 in (25 cm...moisture. The giant redwood has scale like, awl-shaped foliage...containing 24-40 wedge-shaped scales. The bark is fibrous and thick and can...
sequoia
Book article from: The Columbia Encyclopedia, Sixth Edition ...individuals are believed to be 3,000 to 4,000 years old. The leaves are small, overlapping scales. Both trees have deeply grooved, reddish bark and soft, straight-grained, reddish heartwood whose resistance to decay makes it especially...
Beech family (Fagaceae)
Encyclopedia entry from: The Gale Encyclopedia of Science ...completely covered by a cupule of scales or a spiny bur. The family...paneling, and flooring. Oak bark is often rich in tannin, used...been heavily exploited. The bark of the Mediterranean cork oak...source of commercial cork. Cork bark is stripped in summer by making...
Swamp Cypress Family (Taxodiaceae)
Encyclopedia entry from: The Gale Encyclopedia of Science ...not in a fruit) borne on scales. These scales are usually arranged...one main trunk with a fibrous bark, usually of a reddish color...protective layer of fibrous bark that is burnt off. However...tolerant due to their fibrous bark. In fact, disposal of their...
Geckos
Encyclopedia entry from: The Gale Encyclopedia of Science ...subfamilies have transparent scales protecting their eyes. Geckos...high-pitched squeak to a loud bark. The name “ gecko...from eggs deposited under the bark of logs subsequently swept out...deposited under rocks, tree bark, and even behind window shutters...
Hoffmann, Felix
Encyclopedia entry from: Encyclopedia of World Biography ...in extract of willow-tree bark, which had been known for centuries...of chemical dyes whose mass-scale industrial production methods...Salicylic acid is derived from the bark and leaves of the willow tree...recommended chewing the bark or leaves of the white willow...
Beetles
Encyclopedia entry from: The Gale Encyclopedia of Science ...found on vegetation, under bark, stones, and other objects...Homoptera) such as aphids and scale insects, while only a few...larvae and adult forms of bark beetles (Scolytidae) attack treetissue beneath the bark. Scarab beetles (Scarabaeidae...
Firs
Encyclopedia entry from: The Gale Encyclopedia of Science ...upright, and they shed their scales soon after the winged seeds...dense spirelike crown. The bark of most species is rather smooth...blisters on the surface of their bark. Firs are not a prime species...immediately below and close to the scales of their oval-shaped, hanging...

Dictionary entries related to "Bark scale"

beech bark disease
Book article from: A Dictionary of Ecology beech bark disease A disease of beech trees (Fagus) caused by a variety of the fungus Nectria coccinea. Symptoms include yellowing of foliage and die-back; infected trees may be killed. The disease is spread from tree to tree by beech scale insects.
exfoliate
Book article from: The Oxford Pocket Dictionary of Current English ...material) come apart or be shed from a surface in scales or layers: the bark exfoliates in papery flakes. ∎ ...tr. ] (often be exfoliated ) shed (material) in scales or layers. DERIVATIVES: ex·fo·...
Leather and Leather Products Industry
Dictionary entry from: Dictionary of American History ...action of the tannin-bearing bark of hemlock, sumac, or oak...tanning was undertaken on a small scale and often on a part-time basis...auxiliary occupations that ground bark for tanning or turned shoe lasts...Tannin extract substituted for bark after 1890. Building on German...
Sequoia
Dictionary entry from: Dictionary of American History ...three thousand years old — sequoias have very thick bark that makes them highly resistant to insects, fire, and fungi...continued into the twentieth century, although on a lesser scale. The Sequoia National Park in the Sierra Nevada was established...
Introductory Lectures on Psycho-Analysis
Dictionary entry from: International Dictionary of Psychoanalysis ...compared to the intermediate layer between the tree and the bark, a layer that serves as the starting point for the formation...had done previously in the case of dreams but on a much larger scale, the difficulties and paradoxes of university training in psychoanalysis...

Related newspaper, magazine, and trade journal articles from HighBeam Research

Black Bear Foraging in Response to Beech Bark Disease in Northern Vermont
Magazine article from: Northeastern Naturalist; 1/1/2004; ; 700+ words ; ...availability of hard mast. Beech bark disease (BBD) has been shown...of Nectria fungus and beech scale insect on freshly clawed and...Elowe and Dodge 1989). Beech bark disease (BBD), which arrived...organism that feeds on inner bark cells thereby rendering the...
Bark Beetle Outbreaks in Western North America.(Brief article)(Book review)
Newspaper article from: Internet Bookwatch; 9/1/2009; 472 words ; ...outbreaks, contributing factors to bark beetle devastation, and steps that...to prevent the spread of a large-scale bark beetle outbreak, land-use activities...trees--can reduce susceptibility to bark beetle outbreaks." An excellent...
Impact of moose bark stripping on mountain ash in Vermont.(Statistical Data Included)
Magazine article from: Alces; 1/1/2000; ; 700+ words ; ...americana) in some stands due to bark stripping by moose. Mountain...Bark stripping on a local scale could be severe; at some sites...pattern and extent of moose bark stripping of mountain ash on local and regional scales; and (2) to assess the effect of bark stripping on the ...
Debt-free in 3 to 5 years? I'm on the verge of ruin; BIG LOSS: Tamsin Barks and one of the six properties she bought after going to the investment seminar.
Newspaper article from: The Mail on Sunday (London, England); 3/30/2008; 700+ words ; ...sterling]840) a month,' says Barks. 'But rentals there are ?600...was formed in 2001 byJim Moore. Barks became aware of the scale of her losses last summer. She...hadacted improperly or misled Barks. He defended the payment of commissions...
Beautiful tree bark adds interest to the winter garden.(Home & Garden)
Newspaper article from: Daily Herald (Arlington Heights, IL); 10/27/2002; 700+ words ; ...better to display the beautiful bark. The picturesque form of Tanyosho...Oriental landscapes. The orange bark peels off in thin scales. Branches become tiered and layered...develops cinnamon colored exfoliating bark. Papery flower clusters dry in...
Spread of beech bark disease in the eastern United States and its relationship to regional forest composition.
Magazine article from: Canadian Journal of Forest Research; 4/1/2007; ; 700+ words ; Abstract: Beech bark disease (BBD) is an insect...complex involving the beech scale insect (Cryptococcus fagisuga...woolly adelgid, and beech bark disease (BBD) (Mattson...Parker et al. 1999). Beech bark disease, also known as beech...
Carbon cycling along a gradient of beech bark disease impact in the Catskill Mountains, New York.(NOTE)(Report)
Magazine article from: Canadian Journal of Forest Research; 5/1/2008; ; 700+ words ; ...northern hardwood forest, beech bark disease (BBD) is causing widespread...specific, may have ecosystem-scale implications for nutrient cycling...implications for understanding landscape-scale C cycling. Beech bark disease (BBD), established in...
Bark Disease Found in Ohio Beech Trees
News Wire article from: AP Online; 2/23/2004; 389 words ; ...state foresters said. The bark disease was discovered in December...forests. Foresters discovered scale insects on a few beech trees...that a fungus indicating the bark disease began to appear. Having both the scale insect, which gives trees a...
BEECH BARK DISEASE CONFIRMED IN DOOR COUNTY
News Wire article from: US Fed News Service, Including US State News; 9/18/2009; 615 words ; ...The first finding of beech bark disease in Wisconsin has been...forest insects identified as "scale", named after a waxy protective...bug secretes that resembles scales of a fish. Scale insects are generally parasites...feeding on sap. It is the scales' feeding on the bark that...
Scales--soft vs. armored.(Pest of the Month)
Magazine article from: Landscape & Irrigation; 5/1/2009; ; 700+ words ; ...weakening the host plant. Scales that feed on twigs or bark generally do not produce...previously infested. Since scale insects may occur on...site for leaf-feeding scales to inhabit. Stems should...offer a place for the scales to hide and feed. The color contrast between the bark ...