Bryan-the Denali caribou herd moved north in 1992.  Knowles became governor in 1994.  How are the two related?

Excerpt from this article: https://alaska.usgs.gov/products/pubs/2005/2005_Roffler_Rangifer_16.pdf
" In September 1992, a highly unusual snowstorm
and unseasonal cold temperatures in much of Alaska
set in motion a mass exodus of caribou from the
Denali Herd out of their normal year-round range."