Abstract
To find out the Xylem anatomical variations we analyzed the cell structure, lumen area early wood, lumen area late wood, ring width growth response relationship to climate factors in boreal forests. We present growth response from 3-sites KYH (Kheyihe), MEDG (Moredagha), ALH (Alihe) from central Daxing’an mountains China. Variations observed in Cell size from 2010-2016 years in Pinus sylvestris var. mongolica and Larix gmelinii. We analyzed growth response from 2010-2016. Results interoperates that significant growth of Larixgmelinii was lower at ALH-site than Pinus sylvestris var. mongolica as compared to KYH and MEDG-site. We measure the influence of temperature and precipitation which have been shown by correlations of different growing seasons. The warmest temperature from June to September at ALH-site growth of late wood show significant differences at ALH-site. It is also observed that summer temperature in late wood have a significant role in cell dimensions, while the influence of spring temperature frequently influences on tracheid size in early wood formation providing well-documented sound for anatomy and generally used for determining the relationship between maximum growth of tree ring density and effect of temperature variation.
Highlights
Plants have a variety of environmental strategies
It is observed that summer temperature in late wood have a significant role in cell dimensions, while the influence of spring temperature frequently influences on tracheid size in early wood formation providing well-documented sound for anatomy and generally used for determining the relationship between maximum growth of tree ring density and effect of temperature variation
Tree growth is largely influenced by different climatic factors, which become more restrictive in harsh weather conditions, some studies based on tree ring width in northeast China specified that the forest growth dynamics are highly sensitive to climate change [26] [27]
Summary
Plants have a variety of environmental strategies. These strategies are supported by measurable functional traits such as cell size, potential height, water conductivity, and leaf area mass [1] [2] [3]. Three main tree tissues perform these functions in seed plants: water transport function by vessels, fibers provide mechanical support, and parenchyma transport and store nutrients and carbohydrates. The structure of these fabrics varies considerably between species [7] [8], suggesting a proliferation of environmental strategies applied at the anatomical level of wood. By studying the structure of wood, we can learn more about the ecological strategies and plant functions
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