This is a preview. Log in through your library . Abstract The methods called Double-rope techniques (DRT) were used to sample vertical transects into the temperate forest canopy, to determine the ...

This Guideline covers the equipment and techniques required to protect those working at or near exposed drops. This Guideline covers the equipment and techniques required to protect those working at ...

With new awareness and research in rope rescue safety, experts are now questioning the effectiveness of the non-tensioned belay. This article will examine pros and cons of this system, as well as ...