Aquatic microbiology

aquati microbiology

1. University of Salahaddin -Erbil College of Science Environmental science department Aquatic microbiology 1 Halala Rahman Qadir M.Sc. Plant physiology 2017

2. Outline Definition of aquatic microbiology A quatic microorganisms Important of aquatic microbiology N atural water 2

3. Definition of aquatic microbiology 3 Aquatic microbiology is the science that deals with microscopic living organisms in fresh or salt water systems. While aquatic microbiology can encompass all  microorganisms  , including microscopic plants and animals, it more commonly refers to the study of bacteria, viruses, and  fungi  and their relation to other organisms in the aquatic  environment   .

4. Aquatic microorganism Bacteria viruses fungi These are widely distributed throughout aquatic environments. They can be found in fresh water rivers, lakes, and streams, in the surface waters and sediments of the world's oceans, and even in hot springs. They have even been found supporting diverse communities at  hydrothermal vents  in the depths of the oceans. 4

5. Aquatic microorganisms 5

6. Aquatic microorganism Aquatic microorganisms can be found living in environments where there are extremes in other physical parameters such as: Pressure Sunlight O rganic substances Dissolved gases And water clarity. 6

7. Important of aquatic microbiology 7 Aquatic microorganisms and their activities are of great importance in many ways: 1. They may affect the health of humans and other animal life. 2. They occupy a key position in the food chain by providing rich nourishment for the next higher level of aquatic life. 3. They are instrumental in the chain of biochemical reactions which accomplish recycling of elements, e.g., in mineralization . 4. Aquatic microbiology, which in previous decades was studied by a relatively few microbiologists, has emerged as one of the more important areas of applied Microbiology.

8. Natural water 8

9. 9 Distribution of aquatic microorganisms in aquatic enviroments Microorganisms in the aquatic environment may occur at all depths ranging from the surface region to the very bottom of ocean trenches . The top " layers,“ especially the surface film, and the bottom sediments harbor the higher concen - trations of microorganisms , particularly in deep waters.

10. Advantages to human 10 Humans have taken advantage of the role these microorganisms play in  nutrient  cycles. At  sewage treatment   plants, microscopic bacteria are cultured and then used to break down human wastes. Aquatic microorganisms