页面
第 17 页CC0 1.0（公有领域）
The Great Basin has experienced dramatic hydroclimate changes over the past 30,000 years and beyond. Today’s dry Great Basin is very different from the much wetter conditions that prevailed over most of the last 30,000 years. Stalagmites from caves are rich archives of past climate information…
第 22 页CC0 1.0（公有领域）
Great Basin bristlecone pines (Pinus longaeva) are among the oldest organisms on earth, an icon of western forests. Bristlecone pines grow at the highest elevations in mountain ranges of the Great Basin in the western United States, and many park visitors have seen the ancient groves.
