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Topic: Peat


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Bog

In the News (Thu 25 Apr 19)

  
  Peat Production
The usage of peat resources is according to all environmental restrictions in Latvia and at the international level.
Peat products have been exported since 1930s and, therefore, peat deposit development, extraction and utilisation experience is gathered.
The main product types are fuel peat which has been used in the local market and differently prepared fen type peat with low decomposition degree which has been exported and used in local market.
www.peat.lv   (406 words)

  
 Peat
Peat is an organic material that forms in the waterlogged, sterile, acidic conditions of bogs and fens.
Peat has the ability to preserve materials and this has led to some remarkable finds in peat bogs, including people buried thousands of years ago and wooden artefacts that have not survived elsewhere.
Peat bogs contribute to the welfare of all living things by 'locking up' carbon that would otherwise increase the greenhouse effect.
www.wildlifetrust.org.uk /facts/peat.htm   (666 words)

  
  WEC Survey Of Energy Resources 2001 - Peat
The principal peat areas are located in the region of the Qingzang Plateau in the south-west, in the north-east mountains and in the lower Yangtze plain in the east.
Peat deposits are found throughout Finland, with a greater density to the west and north of the country.
Peat had traditionally been used as a fuel in coastal parts of the country; unrestrained cutting led to considerable damage to the peatland, which in 1949 resulted in legislation to control extraction.
www.worldenergy.org /wec-geis/publications/reports/ser/peat/peat.asp   (6545 words)

  
  Peat - Wikipedia, the free encyclopedia
Peat layer growth and degree of decomposition (or humification) depends principally on its composition and on the degree of waterlogging.
Peat extraction is also seen as the dominating threat to mire biodiversity in Finland.The International Mire Conservation Grop IMCG strongly urged in 2006 the local and national governments of Finland to meet their international responsibility to protect and conserve the remaining pristine peatland ecosystems.
Peat producers in Finland often claim that it is a special form of biofuel partly because of the relatively fast released CO retake rate (if the bog is forested after use ~10–15% in 100 years) and the fact that peat bog actively binds CO on a similar levels to a growing forest.
en.wikipedia.org /wiki/Peat   (2069 words)

  
 peat - HighBeam Encyclopedia
PEAT [peat] soil material consisting of partially decomposed organic matter; found in swamps and bogs in various parts of the temperate zone.
One of the principal types of peat is moss peat, derived primarily from sphagnum moss; it is used in agriculture as poultry and stable litters as well as a mulch, a soil conditioner, and an acidifying agent; it is also used in industry as an insulating material.
Peat is the earliest stage of transition from compressed plant growth to the formation of coal.
www.encyclopedia.com /html/p/peat.asp   (341 words)

  
 Bog - Wikipedia, the free encyclopedia
The term peat bog in common usage is not entirely redundant, although it would be proper to call these sphagnum bogs if the peat is composed mostly of acidophilic moss (peat moss or Sphagnum spp.).
The other major use of dried peat is as a soil amendment (sold as moss peat or sphagnum) to increase the soil's capacity to retain moisture and enrich the soil.
The corpses were thrown into peat bogs where they were discovered after 2000 years, perfectly preserved down to their facial expressions, although well-tanned by the acidic environment of the Danish bogs.
en.wikipedia.org /wiki/Peat_bog   (1040 words)

  
 Peat Filters   (Site not responding. Last check: )
Peat is partially decomposed organic material with a high water-holding capacity, large surface area, and chemical properties that make it very effective in treating wastewater.
Since wastewater leaving a peat filter system is a high-quality effluent, the soil in the trench or mound soil treatment system may be better able to accept it, and the system should last longer.
Because peat filters produce cleaner wastewater, they are useful for sites with "disturbed" (compacted, cut, or filled) soil and for environmentally sensitive areas such as shoreland areas in shallow bedrock areas, aquifer recharge areas, and wellhead protection areas.
www.extension.umn.edu /distribution/naturalresources/DD7669.html   (1292 words)

  
 Dark Peak fieldwork - Peat Erosion
There are many different stages and types of peat erosion which were introduced in the virtual tour - we suggest you take the tour before you proceed through the rest of the themes pages.
The pattern of peat erosion is varied across the British Isles, as well as throughout the Dark Peak, and is therefore thought to be the result of a series of distinct process, initiated at different times and by different causes...
Peat bogs reach a critical threshold depth in their development at which they become unstable and vulnerable to erosion - i.e.
www.art.man.ac.uk /Geog/fieldwork/peat_erosion.htm   (487 words)

  
 Peat   (Site not responding. Last check: )
Peat is a somewhat fibrous and spongy material consisting mostly of partially decayed vegetation which accumulated, for centuries or even thousands of years, underwater or in waterlogged places such as swamps and bogs.
The principal uses of peat in the United States are for agricultural and landscaping purposes.
In Cook County, peat deposits lie beneath McGinnis and other sloughs in the Palos region, The largest are in the Skokie and Sag valleys where, from time to time, dangerous peat fires have burned and smoldered for months.
www.newton.dep.anl.gov /natbltn/500-599/nb523.htm   (626 words)

  
 Peat bogs in danger
Peat is made of incompletely decomposed plant remains, which accumulate in waterlogged soils over thousands of years.
Peat land plants are highly specialised to survive in these poor conditions.
Waverley has not used peat in its horticultural activities for at least two decades, but it was felt that, as peat is a matter of national importance, the Council should adopt a policy to support the continued conservation of the remaining peat lands.
www.waverley.gov.uk /waste/peat.asp   (525 words)

  
 The Star (11-Nov-97) Vital to save peat swamps
Peat fires in the region have aroused the concern of the standing committee of the Ramsar Convention on Wetlands, an international treaty on conservation and wise use of wetlands.
Peat swamps are like giant sponges that absorb and soak up excessive rain and river water, thus controlling floods during the rainy season and releasing essential water supplies during the dry season.
And because the survival of peat swamps depends on a naturally high water level to prevent the soil from drying out, the obvious thing to do is to avoid activities which require the swamps to be reclaimed.
www.ramsar.org /wn/w.n.star_peat.htm   (1809 words)

  
 Royal Botanic Gardens, Kew: Gardening Without Peat
Peat is used in horticulture either as a soil improver or as a growing medium.
Peat is a poor mulch as it tends to dry out and blow away.
Gardening without peat helps to make better use of waste organic materials while helping to conserve what is left of the unique and valuable habitat of the peatbogs.
www.kew.org /ksheets/peat.html   (1101 words)

  
 Royal Botanic Gardens, Kew: Gardening Without Peat
Peat is used in horticulture either as a soil improver or as a growing medium.
Peat is a poor mulch as it tends to dry out and blow away.
Another useful "peat alternative" mulch is cocoa-shell, the crushed shells of cocoa beans (Theobroma cacao) which are a by-product of the chocolate industry.
www.rbgkew.org.uk /ksheets/peat.html   (1101 words)

  
 peat alert - taking the peat
Peat bogs have a vital role in affecting carbon dioxide levels and thus climate change.
Peat has been used as a fuel for centuries and was traditionally cut by hand, a slow method which allowed the vegetation to regenerate over time.
In the UK the use of peat is almost entirely related to horticulture where it is used as a growing media, soil improver or mulch.
www.peatalert.org.uk /peat/takingthepeat.htm   (940 words)

  
 SOFIA - Biogeochemical Processes in Peat
Peat is a repository of the history of past environmental conditions in the wetland.
Peat consists of the partially decomposed remains of plants that grew in the wetlands.
Samples of peat and the water contained within the peat (pore water) are obtained for analysis by using a plastic coring tube, which takes a continuous cylindrical sample of peat from the peat surface down to about 1.5 meters depth.
sflwww.er.usgs.gov /publications/fs/wetland_seds   (2300 words)

  
 Intro
Peat is commonly formed from sphagnum mosses (peat moss) and sedges.
Sphagnum or peat mosses are typically the dominant plant in raised peatlands, and are the most common plant to make up peat.
Eventually, water draining from the built up peat layers of the raised bog changes the way the water flows in the surrounding wetland communities, which may lead to changes in nutrient content, acidity of the water, and the types of plants that grow in these communities.
www.umaine.edu /wetlands/peatpage/html/Intro.htm   (744 words)

  
 PEAT International, Inc. - January 12, 2004
PEAT International, Inc., (“PEAT”) a global leader in plasma-based waste remediation solutions, announced today it has successfully commissioned and received government acceptance of a Plasma Thermal Destruction and Recovery (“PTDR”) waste facility located at the National Cheng Kung University (NCKU) in Tainan City, Taiwan.
From November 2004 through January 2005, PEAT successfully processed a combination of waste streams (individually and co-mingled), including toxic incinerator fly ash for a continuous period to complete the commissioning tests necessary for obtaining all regulatory approvals.
PEAT's proprietary process, Plasma Thermal Destruction and Recovery ("PTDR"), which has been permitted in six locations throughout the globe, is the first commercially viable solution for waste remediation, employing thermal plasma technology.
www.peat.com /2005-3-9.html   (487 words)

  
 peat
Peat is formed in marshes and swamps from the dead, and partly decomposed remains of the marsh vegetation.
Peat has a yellowish brown to brownish fl color, is generally of the fibrous consistency, and can be either plastic or friable; in its natural state it can be cut; further, it has a very high moisture content (above 75%, generally above 90%).
Correspondingly, peat shows under the microscope tissues that have not undergone either lignification, suberinization, or cutinization; this is not the case in brown coal.
www.webref.org /geology/p/peat.htm   (374 words)

  
 Ireland's Peat Bogs
The peat buried the remains of the Neolithic farms - at the Ceide Fields, county Mayo, Neolithic field walls have been found under a blanket bog.
The cutting of peat (called 'turf' when cut) for fuel began in the 17th century and continued at an increasing rate until the mid 20th century.
At the time of the famine, peat (called 'turf' when cut) was often the only source of fuel available.
www.wesleyjohnston.com /users/ireland/geography/bogs.html   (1669 words)

  
 Peat deposits
However, the resistivities of a peat soil and an under-laying mineral deposit are shown to be different regardless of the water content conditions of the soil.
This particular area of peat soils is underlined by clay glacial till and lake sediments, which are enriched with colloids and have small electrical resistivity.
Thus, the thickness of the peat and the drying depth of peat soil were measured with VES method.
www.landviser.com /peatdeposit.html   (536 words)

  
 EW Peat Lakes
The 31 peat lakes of the Waikato region are concentrated around the Waikato and Waipa districts and Hamilton city.
Peat soils have a marked effect on the physical, chemical and biological nature of peat lakes.
Drainage and cultivation of peat soils for pasture and cropping results in oxidation and shrinkage of peat soil that can’t be reversed.
www.ew.govt.nz /enviroinfo/water/lakes/shallowlakes/peatlakes/index.htm   (1173 words)

  
 Archaeology Wordsmith   (Site not responding. Last check: )
In periods of climatic change, blanket peat alters its nature, such as by developing tree cover in drier periods and then recurring as a bog when rainfall increases.
In a peat bog of this type there may be well-preserved evidence of human activity and organic material in the drier times which is later covered by renewed peat growth.
peat forms mostly in bogs and fens; the importance of peat to archaeology lies in its preservation of palaeobotanical (palaeoenvironmental) evidence which can be used to reconstruct the ancient environment.
www.reference-wordsmith.com /cgi-bin/lookup.cgi?category=&where=headword&terms=peat   (220 words)

  
 Peat Biofilter
The overall objective of this research is to determine the effectiveness of a peat bio-filter on the treatment of domestic wastewater.
Small peat fragments were often observed in these early samples but after the initial 6 months the peat bio-filter effluent had only a slight golden brown color with no visible peat fragments.
Total kjeldahl nitrogen was greatly reduced by the peat bio-filter primarily due to the conversion of NH to NO Phosphorus and chloride were basically unaffected by the peat bio-filter.
www.ces.ncsu.edu /plymouth/septic3/peatbiofilter.html   (2404 words)

  
 Peat Moss   (Site not responding. Last check: )
Peat pots and strips are completely biodegradable, so they slowly blend into garden soil, enriching and aerating the soil as they decompose.
Peat pellets can be transferred directly to planters or to outdoor gardens where they, too, add peat's richness and aerating properties to the soil.
Peat moss is the organic matter that mixes with soil to form peat.
pss.uvm.edu /ppp/articles/peatmoss.htm   (519 words)

  
 USGS Minerals Information: Peat
Peat has widespread use as a plant-growth medium in a variety of horticultural and agricultural applications because its fibrous structure and porosity promote a combination of water-retention and drainage.
In industry, peat is used primarily as a filtration medium to remove toxic materials from process waste streams, pathogens from sewage effluents, and deleterious materials suspended in municipal storm-drain water.
In its dehydrated form, peat is a highly effective absorbent for fuel and oil spills on land and water.
minerals.usgs.gov /minerals/pubs/commodity/peat   (217 words)

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