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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 ...

Equipment used in the measurement of sediment transport (sediment transport) is based on the standard United States. Geological Survey (USGS), the equipment has been developed by the Federal Inter-Agency Project sedimentation (FIASP). Gauge / sampling sediments that have been standardized by FIASP, has a specific code that can be interpreted as follows:  US: gauge / sediment sampling with standard ...

The ideal water temperature for aquatic organisms are cultured should happen is not striking the temperature difference between day and night (no more than 5 ° C). On the stagnant waters which have a minimum water depth of 1.5 meters will usually happen coating (stratification) temperature. This happens because the coating surface temperatures higher than the temperature of the water ...

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 ...

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 ...

The intensity and quality of light that goes into the water and are absorbed produces heat. From the point of ecological, thermal energy and its relationship with the things that happen in the water, is a very important factor in maintaining water as a living environment for animals and plants. Temperature is an important physical factor everywhere in the world. ...