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Variation of maximum tree height and annual shoot growth of Smith fir at various elevations in the Sygera mountains, Southeastern Tibetan Plateau
ID
Wang, Yafeng
(
Avtor
),
ID
Čufar, Katarina
(
Avtor
),
ID
Eckstein, Dieter
(
Avtor
),
ID
Liang, Eryuan
(
Avtor
)
PDF - Predstavitvena datoteka,
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(724,84 KB)
MD5: 367075790C853DDDEE85388D0E1A664C
PID:
20.500.12556/rul/5f9d53cf-7e08-4669-be12-da0a2179a771
URL - Predstavitvena datoteka, za dostop obiščite
http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0031725
Galerija slik
Izvleček
Little is known about tree height and height growth (as annual shoot elongation of the apical part of vertical stems) of coniferous trees growing at various altitudes on the Tibetan Plateau, which provides a high-elevation natural platform for assessing tree growth performance in relation to future climate change. We here investigated the variation of maximum tree height and annual height increment of Smith fir (Abies georgei var. smithii) in seven forest plots (30 m/40 m) along two altitudinal transects between 3,800 m and 4,200/4,390 m above sea level (a.s.l.) in the Sygera Mountains, southeastern Tibetan Plateau. Four plots were located on north-facing slopes and three plots on southeast-facing slopes. At each site, annual shoot growth was obtained by measuring the distance between successive terminal bud scars alongthe main stem of 25 trees that were between 2 and 4 m high. Maximum/mean tree height and mean annual height increment of Smith fir decreased with increasing altitude up to the tree line, indicative of a stress gradient (the dominant temperature gradient) along the altitudinal transect. Above-average mean minimum summer (particularly July) temperatures affected height in crementpositively, whereas precipitation had no significant effect on shoot growth. The time series of annual height increments of Smith fir can be used for the reconstruction of past climate on the southeastern Tibetan Plateau. In addition, it can be expected that the rising summer temperatures observed in the recent past and anticipated for the future will enhance Smith fir's growth throughout its altitudinal distribution range.
Jezik:
Angleški jezik
Ključne besede:
Abies georgei var. smithii
Vrsta gradiva:
Delo ni kategorizirano
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
BF - Biotehniška fakulteta
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Založnik:
San Francisco (CA): Public Library of Science
Leto izida:
2012
Št. strani:
Str. 1-9, e31725
Številčenje:
Vol. 7, no. 3
PID:
20.500.12556/RUL-68587
UDK:
630*8
ISSN pri članku:
1932-6203
DOI:
10.1371/journal.pone.0031725
COBISS.SI-ID:
1995913
Datum objave v RUL:
10.07.2015
Število ogledov:
1989
Število prenosov:
1262
Metapodatki:
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Objavi na:
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Naslov:
PloS one
Založnik:
PLOS
ISSN:
1932-6203
COBISS.SI-ID:
2005896
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