SciencePolitics

Conservation in a cup with David Lodge

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Based on the episode description, not a full transcript. Source evidence retrieved 01/10/2026, 19:27:24 UTC.

Briefings

David Lodge, a Cornell freshwater ecologist and former Ecological Society of America president, discusses the 2009 discovery of invasive carp in Illinois River water samples. His research led to environmental DNA (eDNA) fieldwork, congressional testimony, and a Supreme Court filing. The episode traces the science from water samples to a courtroom, highlighting the collapse of invasive crayfish in Wisconsin lakes and the challenges of science informing policy without pretending to drive it.

Key points

• David Lodge is a freshwater ecologist at Cornell University and past president of the Ecological Society of America.
• In 2009, Lodge's lab detected invasive carp in Illinois River water samples using environmental DNA, leading to federal court proceedings and Supreme Court filings.

Context and limitations

Evidence covers only the 2009 discovery and subsequent legal actions. It does not include data on the current status of the invasive crayfish in Wisconsin lakes beyond the observation of their collapse, nor does it provide details on the specific parasite new to science or the exact timeline of the court proceedings.

Generated by Bittrees-hosted qwen35-2b sha256:aaf42c8b7c3c on 02/10/2026, 00:56:01 UTC. Based on publisher-provided feed evidence; may not cover the full original article. Check the source for details.

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