Silvicultural treatments to reduce losses to bark beetle
oleh: J Lang, R Heald, E Stone, D Dahlsten, R Akers
| Format: | Article |
|---|---|
| Diterbitkan: | University of California Agriculture and Natural Resources 1978-07-01 |
Deskripsi
Using the “aggregation” approach to characterize groups of Ponderosa pines, researchers at the Blodgett Forest Research Station are studying the effects of thinning on beetle-caused mortality.