The term 'lotic facies' is used to denote water of

The term ‘lotic facies’ is used to denote water of

[amp_mcq option1=”rivers and streams” option2=”sag ponds” option3=”ponds” option4=”deep ocean floor” correct=”option1″]

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UPSC Geoscientist – 2022

In ecology, the term ‘lotic’ refers to freshwater ecosystems characterized by flowing water, such as rivers and streams. The ‘lotic facies’ describes the biological community and environmental conditions found in such flowing water habitats.

– Lotic environments are characterized by flowing water.
– Examples include rivers, streams, and creeks.
– Lentic environments are characterized by standing water (e.g., ponds, lakes, swamps).
– ‘Facies’ in ecology often refers to a specific type of habitat or community within a larger environment.

Organisms inhabiting lotic environments exhibit adaptations to cope with water currents, such as streamlined bodies, holdfasts, or living under rocks. The environmental conditions (e.g., oxygen levels, temperature, substrate type) in lotic systems are significantly influenced by water flow.

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