Name
Nikolaeva Svetlana Aleksandrovna
Scholastic degree
•
Academic rank
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Honorary rank
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Organization, job position
Institute of monitoring for climatic and ecological systems SB RAS
Web site url
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Articles count: 1
The analysis of phenological phenomena of 9 tree and
shrub species and longevity of their vegetation activity
was made in Tomsk (southeastern West Siberian
Plain). Since 1969 until 2013 the start of the
phenological phenomena in the trees and shrubs
became to be earlier and the end did to be later. Trends
of the start of birch juice moving and flowering is
higher (–2.5–3.4 days/decade) than trends of leave
appearance, yellowing and falling (+2.5–1.3
days/decade) in the trees and shrubs. Dates of the start
of the phonological stages and the sums of
accumulated positive temperatures high correlate
between each other. The period of their general
vegetation activity increased by 20 days and active
vegetation activity did by 7 days