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[50] [51] [52] Dry peat is a good insulator (with a thermal conductivity of around 0.25 Wm −1 K −1) and therefore plays an important role in protecting permafrost from thaw. [53] The insulating effect of dry peat also makes it integral to unique permafrost landforms such as palsas and permafrost peat plateaus.
Peat formation typically initiates as a paludification of a mineral soil forests, terrestrialisation of lakes, or primary peat formation on bare soils on previously glaciated areas. [3] A peatland that is actively forming peat is called a mire .
Tropical peat is a type of histosol that is found in tropical latitudes, including South East Asia, Africa, and Central and South America. [2] Tropical peat mostly consists of dead organic matter from trees instead of spaghnum which are commonly found in temperate peat. [ 3 ]
Minerotrophic refers to environments that receive nutrients primarily through groundwater that flows through mineral-rich soils or rock, [1] or surface water flowing over land. [2] Minerotrophic, “minerogenous”, and “geogenous” are now often used interchangeably, although the latter two terms refer primarily to hydrological systems ...
Peat swamp forests are tropical moist forests where waterlogged soil prevents dead leaves and wood from fully decomposing. Over time, this creates a thick layer of acidic peat . [ 1 ] Large areas of these forests are being logged at high rates.
There are many ways that the soil food web is an integral part of landscape processes. Soil organisms decompose organic compounds, including manure, plant residues, and pesticides, preventing them from entering water and becoming pollutants. They sequester nitrogen and other nutrients that might otherwise enter groundwater, and they fix ...
Freeze warnings in Southeast and Gulf Coast. The National Weather Service had issued freeze warnings for northeast Florida (north of Jacksonville), southeast South Carolina and southeast Georgia ...
Soil organic matter (SOM) is the organic matter component of soil, consisting of plant and animal detritus at various stages of decomposition, ...