**Mapping Aboveground and Foliage Biomass Over the Porcupine Caribou Habitat in Northern Yukon and Alaska Using Landsat and JERS-1/SAR Data**

Wenjun Chen, Weirong Chen, Junhua Li, Yu Zhang, Robert Fraser, Ian Olthof, Sylvain G. Leblanc and Zhaohua Chen *Canada Centre for Remote Sensing, Natural Resources Canada Canada* 
