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- Title
In Search of an X Factor: A Review of Publications on the Issue of Dark-needled Forest Decline/Dieback in Northern Eurasia.
- Authors
Chebakova, N. M.; Bazhina, E. V.; Parfenova, E. I.; Senashova, V. A.
- Abstract
A critical review of contemporary publications searching for the causes of the decline/dieback of dark-needled forests in the boreal and temperate zones over Northern Eurasia with an emphasis on the southern Siberian mountains is presented. Three groups of factors were considered: primary abiotic factors that weaken the tree defense mechanism (climate aridization, total ozone column, ultraviolet radiation (UV-B), dimming), anthropogenic factors (air pollution), and secondary biotic factors (invasive insect pests and phytopatogens that inhabit weakened trees, which finally leads to their decline/dieback). As there is no irrefutable evidence of the fatal impact of one particular factor, a synergic effect of some of them is possible against a certain climatic background. Further investigations are necessary to find out causes for the dark-needled forest decline/dieback in Northern Eurasia.
- Subjects
EURASIA; FOREST declines; X Factor, The (TV program); DIEBACK; TAIGAS; INSECT pests; INTRODUCED insects
- Publication
Russian Meteorology & Hydrology, 2022, Vol 47, Issue 5, p405
- ISSN
1068-3739
- Publication type
Article
- DOI
10.3103/S1068373922050090