Multiday canoeing, kayaking, and rafting trips on the South Nahanni, and to a lesser extent on the Flat and Little Nahanni Rivers, are now the main attractions in Nahanni National Park Reserve.

The national park forms one unit of the North Cascades National Park Service Complex. The two other units—Ross Lake National Recreation Area and Lake Chelan National Recreation Area—contain ...

Trophic cascades are powerful indirect interactions that can control entire ecosystems. Trophic cascades occur when predators limit the density and/or behavior of their prey and thereby enhance ...