State of the Environment Bulgaria 2003
What are the impacts of forests?
The status of the forests is affected by the different natural and anthropogenic factors which vary in importance by region and on the tree type and conditions within the habitat.
The consecutive years of drought in the last several years affected very much the forests ecosystems because they lead to depletion of the water reserves along the entire depth of the soil profile. Such lengthy periods of drought are most dangerous for the forest ecosystems.
Attacks of Cecidomyia fagi., Rhinchaenus fagi., Cynips kollari, Leucaspis sp., Chermes abietis, Botrytis cinnerea Pers, Dryomia circinuans, Melampsorella caryophylla cearum, Lophodermium pinastri Gremmenilla abietina have been observed in some regions.
The indicator “leaflessness” for the period 1998 – 2001 is represented in fig. 10
Indicator “leaflessness” for the period 1998 – 2001
fig. 10
Forest fires in the last 2-3 years have destroyed more than 1,3 million dca of plantation, which represents 3,24 % of the overall forest resource of the country. The social and the economic losses amount tot millions leva, not counting the inestimable environmental losses.
Last update on March 2003