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Penyebab Erosi Tanah

Penyebab erosi tanah antara lain : 1. Tanah gundul atau tidak adanya tanaman; 2. Tanah miring tidak dibuat teras – teras dan guludan sebagai penyangga air dan tanah yang lurus; 3. Tanah tidak dibuat tanggul pasangan sebagai penahan erosi; 4. Pada tanah kawasan hutan rusak karena pohon – pohon ditebang secara liar sehingga menjadi gundul; 5. Pada permukaan tanah yang ...

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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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Oxygen Levels and Solubility

Decreased levels of oxygen. Basically the process of reduction of oxygen in the water caused by the process of chemistry, physics and biology, namely:  The process of breathing (respiration) either by animals or plants.  The process of decomposition (decomposition) of organic material.  Basic waters are reducing. The basis of these waters can only be covered by only ...

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Tide

Attach a low-frequency wave and in general the intensity of the smaller of the two times a day. This tidal movement caused by gravity from celestial bodies to the mass of water on earth. This movement is also influenced by the rotation of the earth itself as well as the layout of the island and the continent. Therefore, the high ...

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Unsur Fosfat

Fosfor merupakan unsur penting bagi semua aspek kehidupan terutama berfungsi untuk transformasi energi metabolik yang perannya tak dapat digantikan oleh unsur lain (Kuhl, 1974). Unsur fosfor merupakan penyusun ikatan pirofosfat dari adenosin trifosfat (ATP) yang kaya energi dan merupakan bahan bakar bagi semua kegiatan dalam semua sel hidup serta merupakan penyusun sel yang penting. Senyawa fosfat merupakan penyusun fosfolipida yang ...

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