Publications by authors named "Chris T Callahan"
Article Synopsis
- Research on rock (Lagopus muta) and willow ptarmigan (L. lagopus) reveals varied population trends across their Arctic habitats, with some areas experiencing declines and others showing improvements.
- In particular, rock ptarmigan populations are declining in Iceland and Greenland, while showing growth in Svalbard and Newfoundland, whereas willow ptarmigan trends are negative in mid-Sweden and eastern Russia but stable in northern Fennoscandia and North America.
- The study suggests implementing cost-effective surveys to enhance monitoring and engage citizen scientists, helping to address knowledge gaps in regions lacking proper ptarmigan studies.
