In the original eutroph lakes have characteristics as follows:
• relatively shallow depth
• the beach in a relatively wide
•-There are many plants litoral
• are usually located on the lake where a flat, located in the mountains
• water green until green yellow color is caused by growth - growth in the lake water
• low water clarity
• N and P content higher
• not a lot of humus
• most rich in calcium
• Oxygen content difference between summer and winter is on the big termoklin
• Oxygen in the hypolimnion uterus is poor or there is no
• occur in the summer because of a reduction in Oxygen animal plankton
• on the lake in which, the spread of Oxygen in the lake, with the lake oligotroph
• there is a lot of detritus derived from the plankton
• basic mud lake, rich in organic materials that are currently experiencing autochtone decomposition
• the process of decomposition in the lake are usually strong Lumpur
• there are lots of phyto-plankton, often bloom
• Chlorophyceae few, Schizophyceae and Diatomae many, besides Chrysomonad and peridinium
source: H. Masyamsir, Ir, MS