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AutoCAD Sistem Informasi Geografis

SIG merepresentasikan real world pada monitor sebagaimana lembaran peta disertai map features-nya (sungai,hutan,kebun,jalan,tanah persil,dll). Skala peta menentukan ukuran dan bentuk representasi unsur-unsurnya. Makin meningkat skala peta, makin besar ukuran unsur-unsurnya. SIG menyimpan semua informasi deskriptif unsur-unsurnya sebagai atribut di dalam basis data. Kemudian SIG membentuk dan menyimpannya dalam tabel relasional. Kemudian SIG menghubungkan unsur-unsur tersebut dengan tabel bersangkutan. Sehingga atribut-atribut ...

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At The Bacteria Attack Seaweed

Bacteria which can be isolated from the seaweed with ice-ice symptoms include Pseudomonas spp., Pseudoalteromonas gracilis, and Vibrio spp. Agarase (arginase) of bacteria is one of the virulence factors that contribute to infection ice-ice (Yuan, 1990). Predisposing factors or other triggers may also cause ice-ice. Predisposing it include pests such as fish rabbitfish (Siganus spp.), Green turtle (Chelonia midas), sea ...

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Growth Factor Type Seaweed

Internal factors are factors that affect the growth of seaweed in the body itself. Internal factors that affect the growth of seaweed include: Type Type of seaweed that has been widely cultivated in brackish waters is Gracilaria sp. Gracilaria also have some kind of nice to be cultivated among others Gracilaria verucosa, Gracilaria eucheumoides, and Gracilaria folifera. But these three ...

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Seaweed Management

To ensure kebehasilan seaweed farming it must be done rigorously maintained during the growth period, not only to plants themselves but also cultivation facilities were used. Therefore the role of the manager (cultivators) seaweed is necessary to minimize the possibility of damage khsusunya unpredictable forces of nature. In the maintenance of seaweed there are some problems that are often faced ...

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Pengaruh Bentos Terhadap Perairan

Cara menentukan kualitas perairan berdasarkan Benthos yang ada di perairan tersebut salah satunya yaitu dengan pendekatan kualitatif dimana kita melihat jenis-jenis daripada Benthos yang hidup di perairan itu sendiri. Jenis-jenis bentos berdasarkan tingkat kerusakan perairan dikemukakan oleh Mulyanto (1995) sebagai berikut : a) Perairan bersih adalah Planaria, Perla, Isoperia, Leuctra, Nemoura, Eodyonurus dan Ephemera. b) Perairan tercemar organik ringan adalah ...

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Physical Parameter Water Quality

Aquatic environment as a place to live or live media aquatic organisms is one of the most important aspects to consider in doing aquaculture. This is because the quality of the waters of a container cultivation largely determines the life of aquatic organisms cultivated, both from the aspect of water resources which are used as parameters of physics, chemistry and ...

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