The Degree of Acidity Factor and Nutrients

pH is one important factor in the life of marine algae, as well as other factors. According to US-EPA (1973) in Iksan (2005) maximum pH range for the life of marine organisms is 6.5 to 8.5. Chapman (1962) in supit (1989) states that almost the entire algal like a pH range of 6.8 to 9.6 so that the pH is ...

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Recycling Hydrology

Water is an absolute necessity for all living organisms, especially for humans, animals and plants, along with increasing the number of population, the activity of the use of natural resources, particularly water resources is also increasing, the water resources needs to be improved preservation by balancing the water cycle on earth known as the hydrological cycle. The process of the ...

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Nitrate and Nitrite

Nitrogen is one of the main elements making up the cell organism that is in the process of formation of protoplasm. Nitrogen often in limited quantities in the waters, especially tropical areas. Shortage of nitrate in the water can inhibit the growth of aquatic plants, although other nutrients are in abundant quantities (Hunter, 1970 in Patadjal, 1993). Nitrogen in the ...

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Seaweed Growth

Growth is increase the size of a cell or organism that take place in quantitative or measurable. While the development (differentiation) is a process towards maturity in an organism, a change of state of a number of cells to form organs that have different structures and functions. Growth can also be interpreted as a change in the size of an ...

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Bagian Thallus Rumput Laut

Salah satu faktor yang mempengaruhi keberhasilan dalam pembudidayaan rumput laut adalah pengadaan bibit. Fungsi bibit bagi tanaman yaitu untuk memperbanyak atau mengembangbiakan tanaman.umur thallus. Bibit sebaiknya digunakan berupa stek, harus sehat, masih muda dan banyak cabang. Bibit yang diperoleh adalah bagian ujung tanaman (muda) umumnya memberikan pertumbuhan yang baik dan hasil panen mengandung karaginan yang lebih tinggi dibandingkan dengan bibit ...

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Faktor Sedimen Suatu Daerah

Adapun masing – masing faktor dapat dijelaskan sebagai berikut : A. Erositas Hujan (R) Erosivitas hujan adalah kemampuan air hujan sebagai penyebab terjadinya erosi yang bersumber dari laju dan distribusi tetesan air hujan, dimana keduanya mempengaruhi besarnya energi kinetik air hujan. Berdasarkan data curah hujan bulanan, faktor erosivitas hujan (R). B. Erodibilitas Tanah (K) Nilai erodibilitas tanah (K) ditentukan oleh ...

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