Respuesta :
A major abiotic factor that affects freshwater ecosystem is dissolved oxygen.
Abiotic factors of freshwater ecosystem
The freshwater ecosystem is part of the aquatic ecosystem that is made up of the lakes, ponds, rivers, streams, springs, bogs, and wetlands.
The abiotic factors that affect the freshwater ecosystems include:
- Water temperature,
- pH,
- phosphate and nitrogen levels,
- dissolved oxygen, and
- substrate composition.
The major abiotic factor that tremendously affects the ecosystem is dissolved oxygen. This is because, when dissolved oxygen becomes too low, fish and other aquatic organisms cannot survive.
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