There are a lot of meaning or definition of the land developed in the communities are very diverse definitions must be adjusted to just the interests of each. But the definition of the public about the land is as follows, namely land is accumulated body of the outdoors, a three-dimensional, occupied most (large) surface of the earth, which was able ...
Read More »Cara Kematian Ikan
Ikan yang berjuang keras dalam menghadap mautnya, lebih cepat membusuk daripada ikan yang mati dengan tenang dan cepat, karena fase rigor mortis terjadi sebelum waktunya. Pada ikan yang banyak mengeluarkan energi karena terkena jaring/pancing, maka perubahan glukosa asetyl berlangsung cepat sehingga reaksi terjadi secara anaerobic yang mengakibatkan terbentuknya asam laktat yang akan merubah suasana jaringan menjadi asam dan terjadi oksidasi ...
Read More »Factors and Soil Formation Process
There are several questions that arise for everyone to learn about the land, that the land was formed from what? or factors that influence the formation of soil and what is the process. Some of the natural factors indicate that the land is part of the earth’s crust that undergo physical and chemical weathering processes in a very long time. ...
Read More »Role of Land Agricultural Sector
Note from Figure 1.1! This image is a dry soil conditions, arid, no plants can grow, as a result of the influence of erosion. Yet we know that in human land to plant crops to meet both the needs of food, clothing and housing. In other words it can be said that the land is a natural resource that is ...
Read More »Tingkat Kesadahan Perairan
Pengaruh kalsium karbonat (CaCO3) dalam air dapat pula dinyatakan sebagai kesadahan yaitu kemampuan air untuk membentuk busa apabila dicampur dengan detergen (sabun). Pada air yang mempunyai kesadahan rendah akan mudah membentuk busa apabila dicampur dengan sabun. Sedangkan pada air yang mempunyai kesadahan tinggi tidak akan terbentuk busa. Kesadahan sangat penting bagi kehidupan ikan. Tidak semua ikan dapat hidup pada nilai ...
Read More »Suspended Solids and Total Dissolved
Total suspended solids or Total Suspended Solid (TSS) is suspended materials and dissolved in water, these materials filtered on Millipore filter paper with a pore size of 0.45 lm. While total dissolved solids are dissolved materials that are not filtered by Millipore filter paper with a pore size of 0.45 lm. TSS measurement is done by gravimetric consisting of screening ...
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