Natural regeneration potential and early development of Shorea robusta Gaertn.f. forest after regeneration felling in the Bhabar-Terai zone in Nepal

Published source details Rautiainen O. & Suoheimo J. (1997) Natural regeneration potential and early development of Shorea robusta Gaertn.f. forest after regeneration felling in the Bhabar-Terai zone in Nepal. Forest Ecology and Management, 92, 243-251.
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This study is summarised as evidence for the following.

	Action	Category
	Use shelterwood harvesting Action Link

Use shelterwood harvesting

A controlled study in 1993-1995 in subtropical moist forest in Nepal (Rautiainen & Suoheimo 1997) found that shelterwood harvest treatments increased the growth rate of the dominant shala tree Shorea robusta seedlings. Height growth was higher in clearcut than other treatment plots (unharvested: 85 cm; 75 trees remaining: 90 cm; 25 trees remaining: 99 cm; clearcut: 127 cm). Diameter growth was higher in clearcut (24 mm) than 25 (17 mm) and 75 trees remaining plots (16 mm), and the lowest in unharvested plots (6 mm)Numbers of shala tree seedlings was similar between treatments (unharvested: 89,292; 75 trees: 73,542; 25 trees: 91,125; clearcut: 81,000). Four treatment plots (1 ha) were established in 1993: unharvested, and 25 trees, 75 trees and clearcut (shelterwood harvest leaving 75, 25 and no trees in the plot, respectively). Growth rate of the 2,000 dominant shala tree seedlings in each plot was calculated for the second growing season after treatments. Numbers of seedlings was determined eight months after treatments.