Quantitative variation in the elemental composition of Scots pine needles along a pollutant gradient.

by Heliövaara, Kari, Väisänen, Rauno
Published 1989-01-01

Interactions among herbivores in three polluted pine stands.

by Heliövaara, Kari, Väisänen, Rauno
Published 1988-01-01

Invertebrates of young Scots pine stands near the industrial town of Harjavalta, Finland.

by Heliövaara, Kari, Väisänen, Rauno
Published 1989-01-01

Parasitization in Petrova resinella (Lepidoptera, Tortricidae) galls in relation to industrial air pollutants.

by Heliövaara, Kari, Väisänen, Rauno
Published 1986-01-01

Forest insects and environmental variation in stand edges.

by Peltonen, Mikko, Heliövaara, Kari, Väisänen, Rauno
Published 1997-01-01