植物适应性遗传与环境交互作用及光谱变异研究|遗传可塑性|光谱特征分离|环境驱动效应|遥感监测技术 全球范围内，随着植物适应速度难以跟上温度上升的步伐，植被生物多样性预计将会下降。为了通过遥感技术支持保护工作，我们区分了遗传因素和环境因素 ...

John C. Fremont fed his horses the inner bark of cottonwood trees during a brutal winter in Reno. Snow in the Sierras prevented him reaching California for many months. The trees would later be dubbed ...

Eastern states: cottonwood (Populus deltoides) West of the Rocky Mountains: black cottonwood (Populus trichocarpa) California, Utah and Arizona: Fremont cottonwood (Populus fremontii) While each of ...

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This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...