Selecting the odd numbered grids for sampling, we randomly placed one transect (of 1–2 km length; the length of the transect depended on topography and logistics) within each grid, taking care to lay the transect across the altitudinal gradient
Selecting theodd numbered grids for sampling, we randomly placed one transect(of 1–2 km length; the length of the transect depended ontopography and logistics) within each grid, taking care to lay thetransect across the altitudinal gradient