Plankton numbers have plummeted.
Concentrations of phytoplankton and zooplankton have dropped sharply, bringing the food chain to the brink of collapse
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Argumentation and Debate - 52601 »Argumentation and Debate - 52601
Stuart Hein »Stuart Hein
Opinion Article »Opinion Article
The California Delta is in state of crisis. »The California Delta is in state of crisis.
The Delta is in a state of ecological crisis. »The Delta is in a state of ecological crisis.
Plankton numbers have plummeted.
Unhealthy Ecosystem »Unhealthy Ecosystem
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