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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. [ citation needed ] Most modern peat bogs formed 12,000 years ago in high latitudes after the glaciers retreated at the end of the last ice age . [ 20 ]
Water passing through peat declines in nutrients and pH. Therefore, mires are typically nutrient-poor and acidic unless the inflow of groundwater (bringing in supplementary cations) is high. [16] Generally, whenever the inputs of carbon into the soil from dead organic matter exceed the carbon outputs via organic matter decomposition, peat is ...
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 ]
Over centuries there is a progression from open lake, to a marsh, to a fen (or, on acidic substrates, valley bog), to a carr, as silt or peat accumulates within the lake. Eventually, peat builds up to a level where the land surface is too flat for ground or surface water to reach the center of the wetland.
They are much more acidic than their rich counterparts, with a pH of approximately 5.5 to 4. [12] Peat in poor fens tends to be thicker than that of rich fens, which cuts off vegetation access to the mineral-rich soil underneath. [11] In addition, the thicker peat reduces the influence of mineral-rich groundwater that buffers the pH. [11]
To do so, slowly water the top of the soil with a watering can or by placing it under the sink and allowing the water to settle into the soil, says Adrienne Roethling, plant expert and former ...
A Urologist Explains How Much Water to Drink d3sign - Getty Images We've all heard at some point that we should be drinking eight glasses of water per day to meet our hydration goals and stay healthy.
Water content or moisture content is the quantity of water contained in a material, such as soil (called soil moisture), rock, ceramics, crops, or wood. Water content is used in a wide range of scientific and technical areas, and is expressed as a ratio, which can range from 0 (completely dry) to the value of the materials' porosity at ...