SLIDE 1 Age and ontogenetic structure of populations in Age and ontogenetic structure of populations in Siberian stone Pine ( Siberian stone Pine (Pinus Pinus sibirica sibirica Du Du Tour) at the Tour) at the forest forest-
tundra ecotone in the Severo Severo-
Chuisky Range Range (Central Altai) (Central Altai)
Smelyantseva E.O., Timoshok E.E. Smelyantseva E.O., Timoshok E.E.
SLIDE 2
Severo-Chuisky mountain range is located in Russian Altai. The Aktru glacier basin (2100-4073 m a.s.l.) is on the northern slope of the Severo-Chuisky Range Aktru glacier basin
SLIDE 3
Aktru glacier basin Aktru glacier basin
SLIDE 4
Edaphic Edaphic (2 (23 300 m 00 m a.s.l a.s.l.) forest line in valley of .) forest line in valley of the Aktru river the Aktru river
SLIDE 5
Climatic (2400 Climatic (2400 m m a.s.l a.s.l.) forest line in valley of .) forest line in valley of the Aktru river the Aktru river
SLIDE 6
Scheme of individual tree (1) Scheme of individual tree (1), , group tree (2), and forest (3) lines group tree (2), and forest (3) lines
SLIDE 7 SA16 Т16 SA25 SA26 Т21 Т15
Location Location of sample areas
(SA) and transects (T) transects (T) at at the forest the forest-
tundra ecotone
SLIDE 8
SA SA 16 16 Т Т 15 15 SA SA 25 25
SLIDE 9 57 4 10 х70 2250 -230 0 Т21 8 3 3 5х6 0 230 0 -2350 Т16 50 8 10 х4 0 2350 -24 0 0 Т15 14 10 х10 2250 SA26 20 10 х10 2350 SA25 14 20 х4 0 2250 -230 0 SA16 frequency, % Density per 10 0 sq. m Size, м Altitude, м № ПП и Т
Density and frequency of Siberian stone pine Density and frequency of Siberian stone pine trees in sample areas (SA) and transects (T) trees in sample areas (SA) and transects (T)
SLIDE 10 Age peculiarities of populations in Siberian stone Age peculiarities of populations in Siberian stone pine at the forest pine at the forest-
tundra ecotone
30 -6 8 33-55 34 -6 2 6 5-126 4 2-9 4 55-10 5 Lim 50 4 6 4 8 8 9 70 8 1 Mean age, year Т21 Т16 Т15 SA26 SA25 SA16 № ПП и Т
SLIDE 11 Ontogenetic Ontogenetic spectra spectra in Siberian stone pine in Siberian stone pine at the forest at the forest-
tundra ecotone
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% SA16 SA25 SA26 Т15 Т16 Т21
virginal tree young generative tree
SLIDE 12 One trunk One trunk tree tree with with symmetric symmetric crown crown One trunk One trunk tree tree with with asymmetric asymmetric crown crown Multi Multi-
trunk tree tree
SLIDE 13 Biogroup of 3 Biogroup of 3 even even-
aged trees trees Biogroup of 4 Biogroup of 4 uneven uneven-
aged trees trees
SLIDE 14 One trunk One trunk tree tree
Biogroup Biogroup even even-
aged trees trees Biogroup Biogroup uneven uneven-
aged trees trees
Multi Multi-
trunk tree tree
Spectra of Siberian stone pine Spectra of Siberian stone pine biomorphs biomorphs at the forest at the forest-
tundra ecotone
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% SA16 SA25 SA26 Т15 Т16 Т21 а b c d
SLIDE 15
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