Timo Helle

The effect of reindeer grazing on decomposition, mineralization and soil biota in a dry oligotrophic Scots pine forest

Sari Stark, David A. Wardle, Rauni Ohtonen et al. · Oikos · 2000 · 134 citations

Biogeochemistry, Soil Biota, Reindeer Grazing +9

Effects of Winter Grazing by Reindeer on Vegetation

Timo Helle, Jouni Aspi · Oikos · 1983 · 100 citations

Non‐parallel changes in soil microbial carbon and nitrogen dynamics due to reindeer grazing in northern boreal forests

Sari Stark, Juha Tuomi, Rauni Strömmer et al. · Ecography · 2003 · 75 citations

Soil C Mineralization, Biogeochemistry, Reindeer Grazing +10

Trichloroacetic acid in conifer needles and arboreal lichens in forest environments

Soile Juuti, Yrjö Norokorpi, Timo Helle et al. · The Science of The Total Environment · 1996 · 38 citations

Botany, Lichen, Trichloroacetic Acid +5

Removal of the lichen mat by reindeer enhances tree growth in a northern Scots pine forest

Marc Macias‐Fauria, Timo Helle, Aarno Niva et al. · Canadian Journal of Forest Research · 2008 · 38 citations

Engineering, Lichen Mat, Vegetation-atmosphere Interactions +12