Copepods are small crustaceans found in nearly every marine and freshwater habitat, making them a vital part of the aquatic food web. They play a crucial role in Arctic ecosystems, serving as primary consumers that feed on phytoplankton and, in turn, are a significant food source for larger animals such as fish, birds, and whales. Their abundance and diversity make copepods key indicators of environmental health and changes within these ecosystems.
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