coolscorpioHow do fishes and small insects develop in stagnant water?
December 1st 2006 01:06
Stagnant water strictly means water that is without motion or static water, so as long as there is enough dissolved oxygen in the water to sustain aquatic life, life will go on as normal.
If there is no oxygen available however, most multi-cellular organisms cannot be able to cope. The environment is anaerobic and will sustain only bacteria that can live in this environment and other creatures (such as mosquito larva) that get their oxygen directly from the atmosphere above. Such environments are important in processes such as fossilization and in the early stages of hydrocarbon formation.
Now the fishes and small insects usually develop or breed in stagnant water. Some of the possible ways of it are as follows:
• Due to the presence of eggs of the insects.
• Due to the presence of Larvae in the water.
• Due to the droppings of birds, which may contain eggs of other insects.
• Sometimes, through the rain fall.
• Due to the cyclone in coastal areas, which pick up water and lash in ponds, with small fish and insects.
• Due to the overflowing of other water holes during rains.
• When water is drawn from flowing adjacent canal into reservoir, for purposes like irrigation, pond filling, drinking etc.
• Insects can develop and when able they fly away.
• Fish cannot survive for long in stagnant water (except aquarium fish).
If there is no oxygen available however, most multi-cellular organisms cannot be able to cope. The environment is anaerobic and will sustain only bacteria that can live in this environment and other creatures (such as mosquito larva) that get their oxygen directly from the atmosphere above. Such environments are important in processes such as fossilization and in the early stages of hydrocarbon formation.
Now the fishes and small insects usually develop or breed in stagnant water. Some of the possible ways of it are as follows:
• Due to the presence of eggs of the insects.
• Due to the presence of Larvae in the water.
• Due to the droppings of birds, which may contain eggs of other insects.
• Sometimes, through the rain fall.
• Due to the cyclone in coastal areas, which pick up water and lash in ponds, with small fish and insects.
• Due to the overflowing of other water holes during rains.
• When water is drawn from flowing adjacent canal into reservoir, for purposes like irrigation, pond filling, drinking etc.
• Insects can develop and when able they fly away.
• Fish cannot survive for long in stagnant water (except aquarium fish).
| 34 |
| Vote |
Subscribe to this blog
