Decoupled heatwave-tree growth in large forest patches of Larix sibirica in northern Mongolian Plateau

2021 ◽  
Vol 311 ◽  
pp. 108667
Author(s):  
Liang Shi ◽  
Hongyan Liu ◽  
Chongyang Xu ◽  
Boyi Liang ◽  
Jing Cao ◽  
...  
Keyword(s):  
Tree Growth ◽  
Larix Sibirica ◽  
Mongolian Plateau ◽  
Forest Patches

scholarly journals Assessments of the Growth Rate of Siberian larch (Larix sibirica Ledeb.) and its distribution in Mongolian Altai Mountain Range

2018 ◽  
pp. 57-67
Author(s):  
Battulga P ◽  
Tsogtbaatar J ◽  
Gerelbaatar S
Keyword(s):  
Growth Rate ◽  
Tree Growth ◽  
Siberian Larch ◽  
Larix Sibirica ◽  
Mountain Range ◽  
Altai Mountain ◽  
Mongolian Altai ◽  
Larch Forests ◽  
Forest Distribution ◽  
Slow Growing

The Mongolian Altai mountain range stretches from east to west for more than 800 kilometers, and its forest cover is considered the southwestern boundary of the distribution of Mongolian forests and is characterized by a unique combination of high-mountain and desert ecosystems. Siberian larch (Larix sibirica Ledeb.) is one of the main forest-forming tree species in the Mongolian Altai and covers 112.0 thousand ha of area and is distributed at an altitude of 2300 to 2700 m a.s.l. In this study, we attempted a comparative study of tree growth rates in larch forests, which are associated with four different altitudinal zones in the Mongolian Altai, aimed at determinining the lower and upper limits of forest distribution in this region. We used the natural quantitative indicators in this study. We carried out the diameter growth rate analyses on 15 model tree samples taken from the Mongolian Altai and 4 samples from Central Khangai regions. All the trees were divided into fast-growing and slow-growing. The results of the assessments showed that 60 percent of the studied forests belonged to slow-growing forests. Slowest growth rate was observed in the forests of Khan Taishir and Khar Azarga mountains, which are the southernmost tip of conifer forest distribution in Mongolia. For the first time in Mongolia we observed that the upper limit of larch forests reached up to 2700 m a.s.l. Such slow rate of tree growth in larch forests is the result of the existing harsh continental climate, aridity, and high altitudinal distribution in the Mongolian Altai. Our findings can become the scientific basis for the development of a sustainable forest management plan in the forests of the Mongol Altai, taking into account the different growth rate between stands.

scholarly journals On the Effect of Thinning on Tree Growth and Stand Structure of White Birch (Betula platyphylla Sukaczev) and Siberian Larch (Larix sibirica Ledeb.) in Mongolia

Forests ◽  
2017 ◽  
Vol 8 (4) ◽  
pp. 105 ◽  
Author(s):  
Alexander Gradel ◽  
Christian Ammer ◽  
Batsaikhan Ganbaatar ◽  
Ochirrragchaa Nadaldorj ◽  
Batdorj Dovdondemberel ◽  
...  
Keyword(s):  
Tree Growth ◽  
Stand Structure ◽  
Siberian Larch ◽  
Larix Sibirica ◽  
Betula Platyphylla ◽  
White Birch

Regeneration of Larix sibirica boreal forest patches in the forest-steppe ecotone in Gorkhi Terelj National Park, Mongolia

2018 ◽  
Vol 24 (1) ◽  
pp. 52-60
Author(s):  
Hao Li ◽  
Kiyokazu Kawada ◽  
Haruka Ohashi ◽  
Undarmaa Jamsran ◽  
Xiaoxing Hu ◽  
...  
Keyword(s):  
Boreal Forest ◽  
National Park ◽  
Larix Sibirica ◽  
Forest Steppe ◽  
Forest Patches

Open Ecosystems

2019 ◽  
Author(s):  
William J. Bond
Keyword(s):  
Remote Sensing ◽  
Tree Growth ◽  
Forest Ecosystems ◽  
Forest Patches ◽  
Climate Zones ◽  
Closed Forest ◽  
Vertebrate Herbivory

This book explores the geography, ecology, and antiquity of ‘open ecosystems’, which include grasslands, savannas, and shrublands. They occur in climates that can support closed forest ecosystems and often form mosaics with forest patches. With the aid of remote sensing, it is now clear that open ecosystems are a global phenomenon and occur over vast areas in climates that could also support forests. This book goes beyond regional narratives and seeks general explanations for their existence. It develops the theme of open ecosystems as being widespread and ancient, with a distinct biota from that of closed forests. It examines hypotheses for their maintenance in climate zones favouring the development of forests, including soils hostile for tree growth, fire, and vertebrate herbivory.

Effects Of Weather On Tree Growth

1901 ◽  
Vol 22 (1) ◽  
pp. 71-88
Author(s):  
C. E. Hall
Keyword(s):  
Tree Growth

Increasing intrinsic water-use efficiency over the past 160 years does not stimulate tree growth in southeastern China

2018 ◽  
Vol 76 (2) ◽  
pp. 115-130 ◽  
Author(s):  
G Guo ◽  
K Fang ◽  
J Li ◽  
HW Linderholm ◽  
D Li ◽  
...  
Keyword(s):  
Water Use Efficiency ◽  
Water Use ◽  
Tree Growth ◽  
Southeastern China ◽  
The Past ◽  
Intrinsic Water Use Efficiency ◽  
Use Efficiency

Reconstruction of maximum temperature on Zhegu Mountain, western Sichuan Plateau (China)

2020 ◽  
Vol 81 ◽  
pp. 1-14
Author(s):  
M Keyimu ◽  
Z Li ◽  
Y Zhao ◽  
Y Dong ◽  
B Fu ◽  
...  
Keyword(s):  
Tree Growth ◽  
Ring Width ◽  
Volcanic Eruptions ◽  
Southwestern China ◽  
Maximum Temperature ◽  
Driving Mechanism ◽  
Western Sichuan ◽  
Relationship Analysis ◽  
Decadal Scale ◽  
Thermal Variability

Historical temperature reconstructions at high altitudes are still insufficient in southwestern China, which is considered one of the most sensitive areas to climate change in the world. Here we developed a tree ring-width chronology of Faxon fir Abies fargesii var. faxoniana at the upper timber line on Zhegu Mountain, Miyaluo Scenic Area, western Sichuan, China. The climate-tree growth relationship analysis indicated temperature as the dominant regulator on radial tree growth in this region. The reconstruction of aggregated maximum temperature (TMX) of autumn and winter for the period 1856-2016 was achieved with a linear regression model that accounted for 43.6% of the actual variability in the common time series (1954-2016). The reconstruction identified 4 warm periods and 3 cold periods. Similarities of warm and cold periods with previously published reconstructions from nearby sites indicated the reliability of our reconstruction. The significant positive correlation between TMX reconstruction and the Asian-Pacific Oscillation index and the Atlantic Multi-decadal Oscillation index suggested a linkage between large-scale climate circulations and the thermal variability at a multi-decadal scale on the western Sichuan Plateau. We also found that solar activity exerted a strong influence on decadal temperature variability in this region. The cold periods were matched well with historical large volcanic eruptions. Our results strengthen the historical climatic information in southwestern China and contribute to further understanding the regional thermal variability as well as its driving mechanism.

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