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Peat is an accumulation of partially or . It is unique to natural areas called , , , , or . moss, also called peat moss, is one of the most common components in peat, although many other plants can contribute. The biological features of sphagnum mosses act to create a aiding peat formation, a phenomenon termed 'habitat manipulation'.Walker, M.D. 2019. Sphagnum; the biology of a habitat manipulator. Sicklebrook publishing, Sheffield, U.K. Soils consisting primarily of peat are known as . Peat forms in conditions, where flooding or stagnant water obstructs the flow of oxygen from the atmosphere, slowing the rate of decomposition.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p. Chapter 1. Peat properties such as organic matter content and saturated hydraulic conductivity can exhibit high spatial heterogeneity.

Peatlands, particularly , are the primary source of peat; although less common, other wetlands, including , and peat swamp forests, also deposit peat. Landscapes covered in peat are home to specific kinds of plants, including moss, shrubs and .See for more information on this aspect of peat. Because organic matter accumulates over thousands of years, peat deposits provide records of past vegetation and climate by preserving plant remains, such as pollen. This allows the reconstruction of past environments and the study of .Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge. 497 pp. 323–25

Peat is used by gardeners and for in certain parts of the world, but this is being banned in some places. By volume, there are about 4 trillion cubic metres of peat in the world. Over time, the formation of peat is often the first step in the geological formation of such as , particularly low-grade coal such as . The peatland covers and is the most efficient on the , because peatland plants capture (CO2) naturally released from the peat, maintaining an equilibrium. In natural peatlands, the "annual rate of biomass production is greater than the rate of decomposition", but it takes "thousands of years for peatlands to develop the deposits of , which is the average depth of the boreal northern peatlands", which store around 415 (Gt) of carbon (about 46 times 2019 global CO2 emissions). Globally, peat stores up to 550 Gt of carbon, 42% of all , which exceeds the carbon stored in all other vegetation types, including the world's forests, although it covers just 3% of the land's surface.

Peat is in principle a . However, its extraction rate in industrialized countries far exceeds its slow regrowth rate of per year, and is also reported that peat regrowth takes place only in 30–40% of peatlands. Centuries of burning and draining of peat by humans has released a significant amount of into the atmosphere, contributing to anthropogenic climate change.


Formation
Peat forms when plant material does not fully decay in acidic and anaerobic conditions. It is composed mainly of wetland vegetation: principally bog plants including , sedges and shrubs. As it accumulates, the peat holds water. This slowly creates wetter conditions that allow the area of wetland to expand. Peatland features can include ponds, ridges and . The characteristics of some bog plants actively promote bog formation. For example, sphagnum mosses actively secrete , which preserve organic material. Sphagnum also have special water-retaining cells, known as hyaline cells, which can release water ensuring the bogland remains constantly wet which helps promote peat production.

Most modern peat formed 12,000 years ago in high latitudes after the glaciers retreated at the end of the last ice age.Vitt, D.H., L.A. Halsey and B.J. Nicholson. 2005. The Mackenzie River basin. pp. 166–202 in L.H. Fraser and P.A. Keddy (eds.). The World's Largest Wetlands: Ecology and Conservation. Cambridge University Press, Cambridge. 488 p. Peat usually accumulates slowly at the rate of about a millimetre per year.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, UK. Cambridge. 497 p. Chapter 7. The estimated carbon content is (northern peatlands), () and (South America).


Types of peat material
Peat material is either fibric, hemic, or sapric. Fibric peats are the least decomposed and consist of intact fibre. Hemic peats are partially decomposed and sapric are the most decomposed.

peat are composed of reed grass, Phragmites australis, and other grasses. It is denser than many other types of peat.

Engineers may describe a soil as peat which has a relatively high percentage of organic material. This soil is problematic because it exhibits poor consolidation properties—it cannot be easily compacted to serve as a stable foundation to support loads, such as roads or buildings.


Peatlands distribution
In a widely cited article, Joosten and Clarke (2002) described peatlands or mires (which they say are the same)Supported by the "Dutch Ministry of Foreign Affairs (DGIS) under the Global Peatland Initiative , managed by Wetlands International in co-operation with the – Netherlands Committee, Alterra, the International Mire Conservation Group and the International Peatland Society." as:
the most widespread of all wetland types in the world, representing 50 to 70% of global wetlands. They cover over or 3% of the land and freshwater surface of the planet. In these ecosystems are found one third of the world's soil carbon and 10% of global freshwater resources. These ecosystems are characterized by the unique ability to accumulate and store dead organic matter from Sphagnum and many other non-moss species, as peat, under conditions of almost permanent water saturation. Peatlands are adapted to the extreme conditions of high water and low oxygen content, of toxic elements and low availability of plant nutrients. Their water chemistry varies from alkaline to acidic. Peatlands occur on all continents, from the tropical to boreal and Arctic zones from sea level to high alpine conditions.

A more recent estimate from an improved global peatland map, PEATMAP, based on a meta-analysis of geospatial information at global, regional and national levels puts global coverage slightly higher than earlier peatland inventories at approximately 2.84% of the world land area. In Europe, peatlands extend to about . IUCN UK Commission of Inquiry on Peatlands Full Report, IUCN UK Peatland Programme October 2011 About 60% of the world's are made of peat.

Peat deposits are found in many places around the world, including northern Europe and North America. The North American peat deposits are principally found in Canada and the Northern United States. Some of the world's largest peatlands include the West Siberian Lowland, the Hudson Bay Lowlands and the Valley.Fraser, L.H. Fraser and P.A. Keddy (eds.). 2005. The World's Largest Wetlands: Ecology and Conservation. Cambridge University Press, Cambridge, UK. 488 p. and P.A. Keddy (eds.). 2005. The World's Largest Wetlands: Ecology and Conservation. Cambridge University Press, Cambridge, UK. 488 p. There is less peat in the Southern Hemisphere, in part because there is less land. The world's largest tropical peatland is located in Africa (the Democratic Republic of Congo). In addition, the vast Magellanic Moorland in South America (Southern /Tierra del Fuego) is an extensive peat-dominated landscape. Peat can be found in , Kerguelen, the and ( Sungai, Rasau Jaya () and ). Indonesia has more tropical peatlands and mangrove forests than any other nation on earth, but Indonesia is losing wetlands by per year. A catalog of the peat research collection at the University of Minnesota Duluth provides references to research on worldwide peat and peatlands.

About 7% of all peatlands have been exploited for and . Under certain conditions, peat will turn into coal over geologic periods of time.


General uses

Fuel
can be used as fuel once dried. Traditionally, peat is cut by hand and left to dry in the sun. In many countries, including and , peat was traditionally stacked to dry in rural areas and used for cooking and domestic heating. This tradition can be traced back to the Roman period. For industrial uses, companies may use pressure to extract water from the peat, which is soft and easily compressed.


Agriculture
Peat has been discouraged as a soil amendment by the Royal Botanic Gardens, Kew, England, since 2003. While bark or -based peat-free potting soil mixes are on the rise, particularly in the UK, peat is still used as raw material for in some other European countries, Canada, as well as parts of the United States.


Drinking water
Peatland can also be an essential source of , providing nearly 4% of all potable water stored in . In the UK, 43% of the population receives drinking water sourced from peatlands, with the number climbing to 68% in Ireland. Catchments containing peatlands are the main source of water for large cities, including Dublin. shovelling peat in the 1950s]]


Metallurgy
Peat wetlands also used to have a degree of importance in the Early Middle Ages, being the primary source of used to create swords and armour.


Flood mitigation
Many peat swamps along the coast of serve as a natural means of flood mitigation, with any overflow being absorbed by the peat, provided forests are still present to prevent peat fires.
(2025). 9789834375102, Global Environment Centre.


Freshwater aquaria
Peat is sometimes used in freshwater . It is seen most commonly in soft water or systems such as those mimicking the basin. In addition to being soft and therefore suitable for demersal (bottom-dwelling) species such as catfish, peat is reported to have many other beneficial functions in freshwater aquaria. It softens water by acting as an ; it also contains substances that are beneficial for plants and fishes' reproductive health. Peat can prevent algae growth and kill microorganisms. Peat often stains the water yellow or brown due to the leaching of .


Balneotherapy
Peat is widely used in (the use of bathing to treat disease). Many traditional spa treatments include peat as part of . Such health treatments have an enduring tradition in European countries, including Poland, the Czech Republic, Germany and Austria. Some of these old spas date back to the 18th century and are still active today. The most common types of peat application in balneotherapy are peat , and . International Peatland Society Peat Balneology, Medicine and Therapeutics


Peat archives
Authors Rydin and Jeglum in Biology of Habitats described the concept of peat archives, a phrase coined by influential peatland scientist in 1981.
(2013). 9780198528722, University of Oxford Press.

In Quaternary Palaeoecology, first published in 1980, Birks and Birks described how studies "of peat can be used to reveal what plant communities were present (locally and regionally), what period each community occupied, how environmental conditions changed, and how the environment affected the ecosystem in that time and place."

Scientists continue to compare modern mercury (Hg) accumulation rates in bogs with historical natural archives records in peat bogs and lake sediments to estimate the potential human impacts on the cycle of mercury, for example. Over the years, different dating models and technologies for measuring date sediments and peat profiles accumulated over the last 100–150 years, have been used, including the widely used vertical distribution of 210Pb, the inductively coupled plasma mass spectrometry (ICP-SMS), and more recently the initial penetration (IP).


Bog bodies
Naturally mummified human bodies, often called "" have been found in various places in Scotland, England, Ireland, and especially northern Germany and Denmark. They are almost perfectly preserved by the tanning properties of the acidic water, as well as by the antibiotic properties of the organic component sphagnan. A famous example is the in Denmark. Having been discovered in 1950 after being mistaken for a recent murder victim, he was exhumed for scientific purposes and dated to have lived during the 4th century BC. Before that, another bog body, the , had been discovered in 1938 in the same bog about from the Tollund Man. She is believed to have lived during the late 3rd century BC and was a ritual sacrifice. In the Bronze and Iron Ages, people used peat bogs for rituals to nature gods and spirits.


Environmental and ecological issues
The distinctive ecological conditions of peat wetlands provide a habitat for distinctive fauna and flora. For example, nest in North American peatlands, whilst nest in the West Siberian peatland. mires have a rich bird life and are an EU-red listed habitat, and in Canada riparian peat banks are used as maternity sites for polar bears. Natural peatlands also have many species of wild orchids and carnivorous plants. For more on biological communities, see , or .

Around half of the area of northern peatlands is -affected, and this area represents around a tenth of the total permafrost area, and also a tenth (185 ± 66 Gt) of all permafrost carbon, equivalent to around half of the carbon stored in the atmosphere. Dry peat is a good insulator (with a thermal conductivity of around 0.25 Wm−1K−1) and therefore plays an important role in protecting permafrost from thaw. The insulating effect of dry peat also makes it integral to unique permafrost landforms such as and permafrost peat plateaus. Peatland permafrost thaw tends to result in an increase in methane emissions and a small increase in uptake, meaning that it contributes to the permafrost carbon feedback. Under 2 °C , 0.7 million km2 of peatland permafrost could thaw, and with warming of +1.5 to 6 °C a cumulative 0.7 to 3 PgC of methane could be released as a result of permafrost peatland thaw by 2100. The forcing from these potential emissions would be approximately equivalent to 1% of projected anthropogenic emissions.

One characteristic of peat is the bioaccumulation of metals concentrated in the peat. Accumulated mercury is of significant environmental concern.


Peat drainage
Large areas of organic wetland (peat) soils are currently drained for agriculture, forestry and peat extraction (i.e. through canals). This process is taking place all over the world. This not only destroys the habitat of many species but also heavily fuels climate change. As a result of peat drainage, the organic carbon—which built over thousands of years and is normally underwater—is suddenly exposed to the air. It decomposes and turns into (), which is released into the atmosphere. Content from Wetlands.org, Wetlands International | Peatlands and CO2 Emissions The global emissions from drained peatlands have increased from 1,058 Mton in 1990 to 1,298 Mton in 2008 (a 20% increase). This increase has particularly taken place in developing countries, of which , and Papua New Guinea are the fastest-growing top emitters. This estimate excludes emissions from peat fires (conservative estimates amount to at least 4,000 Mton/-eq./yr for south-east Asia). With 174 Mton/-eq./yr, the EU is after Indonesia (500 Mton) and before Russia (161 Mton), the world's second-largest emitter of drainage-related peatland (excl. extracted peat and fires). Total emissions from the worldwide 500,000 km2 of degraded peatland may exceed 2.0 Gtons (including emissions from peat fires), which is almost 6% of all global carbon emissions. Wetlands.org, The Global Peat CO2 Picture, Wetlands International and Greifswald University, 2010


Peat fires
Peat can be a major fire hazard and is not extinguished by light rain. Peat fires may burn for great lengths of time, or underground and reignite after winter if an oxygen source is present.

Peat has a high carbon content and can burn under low moisture conditions. Once ignited by the presence of a heat source (e.g., a penetrating the subsurface), it smoulders. These smouldering fires can burn undetected for very long periods of time (months, years, and even centuries) propagating in a creeping fashion through the underground peat layer.

Despite the damage that the burning of raw peat can cause, bogs are naturally subject to wildfires and depend on the wildfires to keep woody competition from lowering the water table and shading out many bog plants. Several families of plants including the carnivorous (trumpet pitcher), Dionaea (Venus flytrap), (bladderworts) and non-carnivorous plants such as the sandhills lily, toothache grass and many species of orchid are now threatened and in some cases endangered from the combined forces of human drainage, negligence and absence of fire. toothache-grass www.dmr.state.ms.us

The recent burning of peat bogs in Indonesia, with their large and deep growths containing more than of carbon, has contributed to increases in world levels. Peat deposits in Southeast Asia could be destroyed by 2040.

(1999). 9789280717426, UNEP/Earthprint. .
web link

It is estimated that in 1997, peat and forest fires in Indonesia released between of carbon; equivalent to 13–40 percent of the amount released by global fossil fuel burning, and greater than the carbon uptake of the world's biosphere. These fires may be responsible for the acceleration in the increase in carbon dioxide levels since 1998.Cat Lazaroff, Indonesian Wildfires Accelerated Global Warming , Environment News ServiceFred Pearce Massive peat burn is speeding climate change, New Scientist, 6 November 2004 More than 100 peat fires in and East have continued to burn since 1997; each year, these peat fires ignite new forest fires above the ground.

In North America, peat fires can occur during severe droughts throughout their occurrence, from boreal forests in Canada to swamps and fens in the subtropical southern Florida . Once a fire has burnt through the area, hollows in the peat are burnt out, and hummocks are desiccated but can contribute to Sphagnum recolonization.

In the summer of 2010, an unusually high heat wave of up to ignited large deposits of peat in Central Russia, burning thousands of houses and covering the capital of Moscow with a toxic . The situation remained critical until the end of August 2010.

In June 2019, despite some forest fire prevention methods being put in place, peat fires in the Arctic emitted of CO2, which is equal to Sweden's total annual emissions. The peat fires are linked to climate change, as they are much more likely to occur nowadays due to this effect.


Erosion: Peat hags
Peat "hags" are a form of erosion that occur at the sides of gullies that cut into the peat; they sometimes also occur in isolation. Peat Hags at www.yppartnership.org.uk, website of the Yorkshire Peat Partnership. Accessed 9 July 2016. Hags may result when flowing water cuts downwards into the peat and when fire or exposes the peat surface. Once the peat is exposed in these ways, it is prone to further erosion by wind, water and livestock. The result is overhanging vegetation and peat. Hags are too steep and unstable for vegetation to establish itself, so they continue to erode unless restorative action is taken.


Protection
In June 2002, the United Nations Development Programme launched the Wetlands Ecosystem and Tropical Peat Swamp Forest Rehabilitation Project. This project was targeted to last for five years, and brings together the efforts of various non-government organisations.

In November 2002, the International Peatland (formerly Peat) Society (IPS) and the International Mire Conservation Group (IMCG) published guidelines on the "Wise Use of Mires and Peatlands – Backgrounds and Principles including a framework for decision-making". This publication aims to develop mechanisms that can balance the conflicting demands on the global peatland heritage to ensure its wise use to meet the needs of humankind.

In June 2008, the IPS published the book Peatlands and Climate Change, summarising the currently available knowledge on the topic. In 2010, IPS presented a " Strategy for Responsible Peatland Management", which can be applied worldwide for decision-making.

Peat extraction is forbidden in since April 2024.


Restoration

Characteristics and uses by nation

Latvia
Latvia has been the biggest exporter of peat in the world by volume, providing more than 19.9% of the world's volume, followed only by with 13% in 2022. In 2020, Latvia exported 1.97 million tons of peat, followed by with 1.5 and with 1.42 million tons. Nevertheless, although first in the world by volume, in monetary terms, Latvian comes second in the world behind . As an example, Latvia's income from exports was US$237 million.

Latvia's peat deposits have been estimated to equal 1.7 billion tons. Due to its climate, Latvia has several peat bogs, which account for 9.9% of the country's territory.

More than two thirds of the licensed areas for peat extraction are state-owned; 55% belong to the state whilst 23% belong to the municipalities

Bogs in Latvia are considered important habitats due to their ecological values, and up to 128,000 hectares, or 40% of the areas in the territory, are protected by environmental laws. The most famous national parks and reserves are the Ķemeri National Park, Cenas tīrelis and Teiči Nature Reserve.


Finland
The climate, geography and environment of favours bog and peat bog formation. Thus, peat is available in considerable quantities. It is burned to produce heat and electricity. Peat provides around 4% of Finland's annual energy production.

Also, agricultural and forestry-drained peat bogs actively release more CO2 annually than is released in peat energy production in Finland. The average regrowth rate of a single peat bog, however, is indeed slow, from 1,000 up to 5,000 years. Furthermore, it is a common practice to forest used peat bogs instead of giving them a chance to renew. This leads to lower levels of CO2 storage than the original peat bog.

At 106 g CO2/, The CO2 emission factor of peat fuel . Imcg.net. accessed on 2011-05-09. the carbon dioxide emissions of peat are higher than those of coal (at 94.6 g CO2/MJ) and (at 56.1). According to one study, increasing the average amount of wood in the fuel mixture from the current 2.6% to 12.5% would take the emissions down to 93 g CO2/MJ. That said, little effort is being made to achieve this.

The International Mire Conservation Group (IMCG) in 2006 urged the local and national governments of Finland to protect and conserve the remaining pristine peatland ecosystems. This includes the cessation of drainage and peat extraction in intact mire sites and the abandoning of current and planned groundwater extraction that may affect these sites. A proposal for a Finnish peatland management strategy was presented to the government in 2011, after a lengthy consultation phase.


Sweden
About 15% of the land in is covered by peatlands. Whilst nowadays the main use of such soils is for , peat-rich lands have historically been exploited to produce energy, agricultural land and horticultural substrates. The most common method to extract peat during the 19th and 20th centuries was peat cutting, a process where the land is cleared of forest and subsequently drained. Peat cores are then extracted under dry weather conditions and stored on stacks to let the residual moisture evaporate. Today, clear-cutting for peat (of which Sweden is an important producer in Europe) is limited to some areas of Sweden and strictly regulated by the Swedish Environmental Code to prevent that significant groundwater storages and carbon sinks areas are altered and compromised by human activities. At the same time, restoration of drained peatlands through rewetting is urged by national and international policies to exploit the peat-rich soil properties in mitigating climate change effects.


Ireland
In Ireland, a state-owned company called Bord na Móna was responsible for managing peat extraction. It processed the extracted peat into milled peat used in power stations and sold processed peat fuel in the form of peat , which is used for domestic heating. These are oblong bars of densely compressed, dried, and shredded peat. is a manufactured product for garden cultivation. Turf (dried-out peat ) is also commonly used in rural areas.

In January 2021, Bord na Móna announced that it had ceased all peat harvesting and cutting operations and would move its business to a climate solutions company.

In 2022, selling peat for burning was prohibited, but some people are still allowed to cut and burn it.


Russia
The use of peat for energy production was prominent in the , especially in 1965. In 1929, over 40% of the Soviet Union's electric energy came from peat, which dropped to 1% by 1980.

In the 1960s, larger sections of swamps and bogs in Western Russia were drained for agricultural and mining purposes.


Netherlands
-and-a-half thousand years ago, the area now named the was largely covered with peat. Drainage, causing compaction and oxidation and excavation have reduced peatlands (> peat) to about Joosten, Hans; Tanneberger, Franziska; Moen, Asbjørn. 2017. Mires and peatlands of Europe. Schweizerbart Science Publishers, Stuttgart, Germany. 780 p. Chapter "Netherlands". or 10% of the land area, mostly used as meadows. Drainage and excavation have lowered the surface of the peatlands. In the west of the country, dikes and mills were built, creating so that dwelling and economic activities could continue below sea level, the probably in 1533Reh, W., Steenbergen, C., Aten, D. 2007. Sea of Land, The polder as an experimental atlas of Dutch landscape architecture. 344 pp, Uitgeverij Architectura & Natura. and the last one in . Peat harvesting could continue in suitable locations as the lower layers below the current sea level are exposed. This peat was deposited before the sea level rise in the . As a result, approximately 26% of the area and 21% of the population"Milieurekeningen 2008" (PDF). Centraal Bureau voor de Statistiek. Accessed 4 February 2010. of the Netherlands are presently below sea level. The deepest point is in the , below average sea level.

In 2020, the Netherlands imported 2,156 million kg of peat (5.39 million m3 400 kg/m3): 44.5% from Germany (2020), 9.5% from Estonia (2018), 9.2% from Latvia (2020), 7.2% from Ireland (2018), 8.0% from Sweden (2019), 6.5% from Lithuania (2020), 5.1% from Belgium (2019) and 1.7% from Denmark (2019); 1.35 million kg was exported.CBS (opendata.cbs.nl), Goederensoorten naar land; minerale brandstoffen en chemie ( tr. "Goods by country; mineral fuels and chemistry") Most is used in gardening and .

Since the Netherlands did not have many trees to use as firewood or charcoal, one use the Dutch made of the available peat was to fire kilns to make pottery.Prins, Marcel & Steenhuis, Peter Henk, "Hidden," Arthur A. Levine Books, New York, 2011, p. 205. During World War II, the Dutch Resistance came up with an unusual use for peat. Since peat was so available in the fields, resistance fighters sometimes stacked peat into human-sized piles and used the piles for target practice.Ibid, p. 204.


Estonia
After oil shale in Estonia, peat is the second-most-mined natural resource. The peat production sector has a yearly revenue of around €100 million and it is mostly export-oriented. Peat is extracted from around . "Ministeerium: seisvad turbamaardlad on mõistlik taas kasutusele võtta" ERR, 25 April 2020 (in Estonian)


India

Sikkim
The mountains of the Himalayas and Tibetan Plateau contain pockets of high-altitude wetlands. is one of the 's most famous and diverse peatlands in the eastern Indian territory of Sikkim, which includes 682 species representing five kingdoms, 196 families and 453 genera.


United Kingdom

England
England has around 1 million acres of peatland. Peatlands in England store 584m tonnes of carbon in total but emit around 11 million tonnes of every year due to degradation and draining. In 2021 only 124 people owned 60% of England's peatland.

The extraction of peat from the began during the Roman times and has been carried out since the Levels were first drained. On , there were several commercial distillation plants formed and run by the British Patent Naphtha Company in 1844. These produced on a commercial scale from the high-quality local peat. Dartmoor Peat , Dartmoor history

Fenn's, Whixall and Bettisfield Mosses is an element of a post-Ice Age peat bog that straddles the England– border and contains many rare plant and animal species due to the acidic environment created by the peat. Only lightly hand-dug, it is now a national nature reserve and is being restored to its natural condition.

The industrial extraction of peat occurred at the Thorne Moor site, outside near the village of Hatfield. Government policy incentivised commercial removal to peat for agricultural use. This caused much destruction of the area during the 1980s. The removal of the peat resulted in later flooding further downstream at due to the loss of water retaining peatlands.Walker, M. D. Sphagnum. Sicklebrook Press. Recently regeneration of peatland has occurred as part of the Thorne Moors project, and at , organised by Yorkshire Wildlife Trust.


Northern Ireland
In , there is small-scale domestic turf cutting in rural areas, but areas of bogs have been diminished because of changes in agriculture. In response, has seen the establishment of tentative steps towards conservation such as , which is an Area of Special Scientific Interest.


Scotland
Some distilleries, such as those on , use peat fires to dry malted . The drying process takes about 30 hours. This gives the whiskies a distinctive smoky flavour, often called "peatiness". The peatiness, or degree of peat flavour, of a whisky is calculated in ppm of . Normal Highland whiskies have a peat level of up to 30 ppm, and the whiskies on Islay usually have up to 50 ppm. In rare types like the Octomore, the whisky can have more than 100 ppm of phenol. Scotch Ales can also use peat-roasted malt, imparting a similar smoked flavor.

Because they are easily compressed under minimal weight, peat deposits pose significant difficulties for building structures, roads and railways. When the West Highland railway line was constructed across in western Scotland, its builders had to float the tracks on a multi-thousand-ton mattress of tree roots, brushwood, earth and ash.


Wales
Wales has over 70,000 hectares of peatlands. Most of it is blanket peat bog in the highlands, but there are a few hundred hectares of peatland in lowland areas. Some peatland areas in Wales are in poor condition. In 2020, the Welsh Government established a five-year peatland restoration initiative, which will be implemented by Natural Resources Wales (NRW).


Canada
There are 294 million acres of peatland in Canada, with approximately 43,500 acres in production and another 34,500 acres involved in past production. The current and past acreage in production amounts to 0.03 percent of Canada's peatland. Canada is the top exporter of peat by value. In 2021, top exporters of peat (including peat litter), whether or not agglomerated, were Canada ($580,591.39K, 1,643,950,000 kg), European Union ($445,304.42K, 2,362,280,000 kg), Latvia ($275,459.14K, 2,184,860,000 kg), Netherlands ($235,250.84K, 1,312,850,000 kg), Germany ($223,414.66K, 1,721,170,000 kg).


See also


Notes

External links

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