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Health status of forest stands on permanent research plots in the Krkonoše Mts
air pollution beech mixed and spruce stands damage defoliation health status Krkonoš e Mts. transition matrices
2015/3/19
Damage to beech, mixed (beech with spruce to spruce with beech) and spruce stands in the Krkonoše Mts. is described on the basis of evaluation of transition matrices describing the probability of...
Development of necrotic disease and health condition of trees of selective quality in a systematically tended beech pole-stage stand
beech pole-stage stand thinnings Central Slovakia
2015/1/29
We compare the results of observations of bark necrotic disease and defoliation of beech assimilatory organs carried out in 1996 and 2000. A systematically managed, 53-year old beech pole-stage stand ...
British Columbia抯 Forests White Pine Blister Rust Forest Health Stand Establishment Decision Aid
Cronartium ribicolaforest health forest management pine stem rust management Ribes spp white pine blister rust
2010/8/31
White pine blister rust (Cronartium ribicola) is an introduced disease affecting five-needle pines throughout North America. Like other non-native pests, its impact on the native hosts has been dramat...
Laminated Root Rot Forest Health Stand Establishment Decision Aid
forest health forest management laminated root rot Phellinus weirii root disease management
2009/2/5
Laminated root rot (Phellinus weirii) is the most prominent root disease of Douglas-fir in coastal coniferous forests and is endemic throughout its host’s range in British Columbia. The disease spread...
MICROBIALLY DERIVED TOXIC GASES AS A POSSIBLE CAUSE OF AN EPISODE OF ILL HEALTH IN FORESTRY
tree dipping sludge disposal toxic gases hydrogen sulphide
2010/12/27
Workers who were emptying a tank which had been used to dip sapling trees suffered nausea, requiring hospitalisation. Environmental investigations led us to conclude that their ill health probably was...