Summary:
- The article discusses the opposing trends in caribou herd populations in different regions of the Arctic Alaskan tundra.
- In the western Arctic, the Teshekpuk caribou herd has experienced a significant decline in recent decades, while the Central Arctic caribou herd in the eastern region has seen a steady increase.
- The article explores the potential factors contributing to these divergent trends, including climate change, predation, and human activities, and highlights the importance of continued monitoring and research to understand the complex dynamics affecting caribou populations in the Arctic.