Timo Helle

Demographics in an alpine reindeer herd: effects of density and winter weather

Timo Helle, Ilpo Kojola · Ecography · 2008 · 90 citations

Engineering, Interaction Model, Winter Mortality +17

Foraging conditions, tooth wear and herbivore body reserves: a study of female reindeer

Ilpo Kojola, Timo Helle, Esa Huhta et al. · Oecologia · 1998 · 86 citations

Animal Behaviour, Foraging, Mammalogy +6

Transitions in Herd Management of Semi-Domesticated Reindeer in Northern Finland

Timo Helle, Lotta Jaakkola · Annales Zoologici Fennici · 2008 · 86 citations · Full text

Reindeer-herd Management, Foraging, Engineering +13

Effects of insect harassment on weight gain and survival in reindeer calves

Timo Helle, Lasse Tarvainen · Rangifer · 1984 · 73 citations · Full text

Animal Performance, Insect Harassment, Engineering +12

Both reindeer management and several other land use factors explain the reduction in ground lichens (Cladonia spp.) in pastures grazed by semi-domesticated reindeer in Finland

Jouko Kumpula, Mika Kurkilahti, Timo Helle et al. · Regional Environmental Change · 2013 · 70 citations

Ground Lichens, Engineering, Rangeland Productivity +7