Already dead are at least 295 hectares of mature spruce and fir trees, and 16,000 more spruce trees have been invaded this year. All told, at least three- ...

2 июл. 2020 г. · The logging will assist in restoring habitat for the Mount Graham Red Squirrel along with fuels reduction as a precaution for future ...

20 окт. 2000 г. · Already dead are at least 295 hectares of mature spruce and fir trees, and 16,000 more spruce trees have been invaded this year. All told, at ...

Habitat destruction and degradation are major factors in reducing abundance, placing populations and species in jeopardy. Monitoring changes to habitat and ...

This project is needed to restore the fire-adapted ecosystem in the Pinaleño Mountains and to protect and restore habitat for the Mount Graham red squirrel per ...

The quality of old growth habitat on Mt. Graham has been degraded due to a combination of wildfires (three large fires since 1996), multiple insect outbreaks. ( ...

In this study we use dendrochological and spatial analysis methods to reconstruct the history of MGRS habitat size and quality over the past three centuries.

Researchers from the University of Arizona (Tree Ring) Laboratory have discovered living trees that date back to 1257 and 1270 AD. Botanists say the Douglas ...

We examined the response of endangered endemic Mt. Graham red squirrels to catastrophic insect damage due to moths, beetles, and introduced aphids.

Partnership with USFS are restoring coniferous tree habitats that are critical to Mount Graham Squirrel recovery following the Frye Fire. The Phoenix Zoo ...