Biometric and Microbiological Approach to the aAsessment of the State of Young Plantations Hippophae Rhamnoides l. Subsp. Chinensis Rousi on Disturbed Highlands of Hongyuan County, Sichuan Province, China

This research looks at the results of the assessment of the state of young plantations Hippophae rhamnoides L. subsp. chinensis Rousi on disturbed highlands of Hongyuan County using biometrical and microbiological approaches. It was found that the growth dynamics of young seedlings corresponds to the initial stages of ontogenesis, but has some features. Plantations of H. rhamnoides L. subsp. chinensis Rousi are classified as healthy with signs of weakening. The number of healthy plants is 60.5 %. Soils under plantations are characterized by high heterogeneity of microbiological conditions. The ratio of the main taxonomic and ecological-trophic groups of microorganisms indicates the poverty of the soil with available nitrogen. It is predicted that further these plantations will be able to perform environmental functions.

[1]  G. Han,et al.  Grazing induced changes in plant diversity is a critical factor controlling grassland productivity in the Desert Steppe, Northern China , 2018, Agriculture, Ecosystems & Environment.

[2]  Xiujun Li,et al.  Rhizospheric fungi and their link with the nitrogen‐fixing Frankia harbored in host plant Hippophae rhamnoides L , 2017, Journal of basic microbiology.

[3]  Zhaoyin Wang,et al.  Impacts of artificially planted vegetation on the ecological restoration of movable sand dunes in the Mugetan Desert, northeastern Qinghai-Tibet Plateau , 2017 .

[4]  A. V. Golovchenko,et al.  The role of microorganisms in the ecological functions of soils , 2015, Eurasian Soil Science.

[5]  Yao Jing-ha.  Morphological and anatomical features during the formation of adventitious roots of sea buckthorn by micro-cuttage multiplication , 2013 .

[6]  G. M. Zenova,et al.  Dynamics of spore germination and mycelial growth of streptomycetes under low humidity conditions , 2009, Microbiology.

[7]  Guoxiong Wu,et al.  Recent progress in the impact of the Tibetan Plateau on climate in China , 2007 .

[8]  F. Berninger,et al.  Sex-related differences in leaf morphological and physiological responses in Hippophae rhamnoides along an altitudinal gradient. , 2007, Tree physiology.

[9]  包庆,et al.  Recent Progress in the Impact of the Tibetan Plateau on Climate in China , 2007 .

[10]  G. M. Zenova,et al.  Population dynamics of rare species of actinomycetes in the Steppified desert soil of Mongolia , 2003 .