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Fish kill - Wikipedia


The term fish kill, known also as fish die-off, refers to a localized die-off of fish populations which may also be associated with more generalized mortality of aquatic life. The most common cause is reduced oxygen in the water, which in turn may be due to factors ... This can lead to pH stress even when oxygen levels are high.


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Water Quality


There are physical factors that can lessen the amount of oxygen dissolved in the Cuyahoga. ... Dry periods also decrease flow which reduces the amount of oxygen churned into the water. ... Bacteria which decompose plant material and animal waste consume ... Extremes in pH can make a river inhospitable to life. Low pH ...


For more information, see Water Quality

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Soil pH - Wikipedia


Soil pH is a measure of the acidity or basicity (alkalinity) of a soil. pH is defined as the negative ... Soil pH is considered a master variable in soils as it affects many chemical processes. ... Calcifuge plants (those that prefer an acidic soil) include Erica, .... minerals, Mn toxicity can become a problem at pH 5.6 and lower.


For more information, see Soil pH - Wikipedia

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What are the causes for depletion of wildlife? - Quora


Pollution: It is one of the primary ways in which humans have caused drastic .... Originally Answered: What are the factors responsible for the depletion of a wildlife? ... Normally in The Wild, if the Animals do not get adequate Food or Water ... and a Lower Biochemical Oxygen Demand will result in Elimination of Aquatic life.


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What are some factors which influence soil fertility? - Quora


Here are some factors that influence soil fertility; 1. soil pH: this determines which ... Moisture content : nutrients available in the soil for plant use are mostly found in ... of another nutrient : the presence of certain elements in the soil can make other ... Infiltration of water; Soil structure; Active Soil life; Content of organic matter ...


For more information, see What are some factors which influence soil fertility? - Quora

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plant health - Should I use aluminum sulfate (sulphate) to acidify my ...


Is aluminum a nutrient or do plants use aluminum in any way? ... Since many plant species are sensitive to micromolar concentrations of Al, ... is enhanced by low pH and Al toxicity is a major factor limiting plant ... One can change the soil pH with any acid or alkali. ... Sulfate + water = sulfuric acid + oxygen.


For more information, see plant health - Should I use aluminum sulfate (sulphate) to acidify my ...