Parameter Turbidity Water Color

Turbidity is a picture of the optical properties of water by the presence of suspended solids, especially materials and little affected by the color of the water. This suspended material in the form of particles of clay, silt, colloids soil and aquatic organisms (microorganisms). TSS is not only harmful to fish but also cause water unproductive for blocking sunlight for ...

Read More »

Hama Seaweed Macro

Star of the Sea (Protoneostes), is a pest that has the ability to climb on seaweed and can cover the branches. Branch covered / plastered by starfish will die and many branches were broken off. Starfish larvae together with the larvae of sea urchins that have planktonis properties, so it can be attached to the seaweed thallus which indirectly can ...

Read More »

Penyebab Warna Pada Air

Warna pada air disebabkan oleh adanya partikel hasil pembusukan bahan organik, ion-ion metalalam (besi dan mangan), plankton, humus, buangan industri, dan tanaman air. Adanya oksida besi menyebabkan air berwarna kemerahan, sedangkan oksida mangan menyebabkan air berwarna kecoklatan atau kehitaman. Kadar besi sebanyak 0,3 mg/l dan kadar mangan sebanyak 0,05 mg/l sudah cukup dapat menimbulkan warna pada perairan (peavy et al., ...

Read More »

A Water Depth Factor

The depth of the waters is closely related to productivity, vertical temperature, light penetration, density, oxygen, and nutrients (Hutabarat and Evans, 2008). The depth of the waters affects the biota are cultivated. This is related to the pressure received in the water, because the pressure increases with increasing depth (Nybakken, 1992). Depth is an important parameter in solving various technical ...

Read More »

Pasang Surut Air Laut

Pasang merupakan suatu gelombang yang frekuensinya rendah dan pada umumnya intensitas terjadinya lebih kecil dari dua kali sehari. Pergerakan pasang ini disebabkan oleh adanya gaya tarik dari benda-benda angkasa terhadap massa air di bumi. Gerakan ini juga dipengaruhi oleh rotasi bumi sendiri serta letak pulau dan benua. Oleh sebab itu tinggi rendahnya gerakan pasang di bumi terutama ditentukan oleh jarak ...

Read More »

Natural Salinity Waters

Salinity who do not comply can thwart breeding and hamper growth. Mussels, clams and oysters blood are the types of shellfish that live in estuaries. Variations of natural salinity estuaries in Indonesia ranged between 15-32%. Results of research on mussels indicates that the salinity of 15% of the shellfish can cause death. The success of shellfish seed blood to stick ...

Read More »