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The Influence of pH Brought Water

Water pH affects the fertility waters because it affects the lives of microorganisms. Acidic waters will be less productive, can even kill domestic animals. At low pH dissolved oxygen content is reduced, as a result of decreased oxygen consumption, decreased respiratory activity, respiratory activity rose and appetite will decrease, the opposite occurs in alkaline conditions. On this basis, the aquaculture ...

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Organisms Perifiton

Perifiton term is defined as a set of organisms (micro-sized) attached or settle on a substrate. While on the German-language literature, the term is used to replace the term Aufwuchs perifiton because it has a broader meaning. Aufwuchs is a group of organisms that attach or menentap on a substrate, including a group of animal or vegetable organism that moves ...

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Biological Indicators of River Pollution

Biological indicators of river pollution must meet the following criteria: 1) Easily identifiable 2) Easy to be sampled, which means the operator does not need special assistance, as well as expensive equipment and can be done quantitatively. 3) Have a cosmopolitan distribution. 4) The abundance of a species can be used to analyze the diversity index. 5) Has the economic ...

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Gravity Water

Density of water at different places and times will be different. This difference, although very small, but very important influence on the organism in air.Pengaruh density of the living organisms in the water is the ability of the water to float organisms and other objects. Density is influenced by: 1. Pressure (pressure). 2. Levels of dissolved salts in the water. ...

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Watershed Management

According Sugandhy (1999) in Anna S., 2001, when linked to spatial planning, the allocation of space in order to maintain and fulfill the presence of water, water catchment area, the security area of surface water sources, springs securing the area, then at least 30% of area should be sought cover their tree stands can be protected forests, production forests or ...

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Utilization of Water Flow and Movement

The presence of this water movement, resulting in turnover (circulation) heat, solutes and water bodies. This gives rise to the movement of the water flow is not fixed (turbulence) and the speed of the water mass. Motion turbulence becomes large so-called “current system” consisting of: a) The current system is not periodic. The current system is the water flow in ...

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