2020 Vol. 37, No. 1
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2020, 37(1): 1-8.
doi: 10.11833/j.issn.2095-0756.2020.01.001
Abstract:
Objective The aim is to scientifically and rationally develop protective measures for Liriodendron chinense. Method M aximum Entropy Model (MaxEnt) and Geographic Information System (ArcGIS)were adopted to predict the potential distribution area...
2020, 37(1): 9-17.
doi: 10.11833/j.issn.2095-0756.2020.01.002
Abstract:
Objective The research aim is to study the dynamic evolution process of Qilu Lake and its watershed landscape ecological risks under the background of climate change. Method T he lake boundary was extracted based on eight time series Landsat ima...
2020, 37(1): 18-26.
doi: 10.11833/j.issn.2095-0756.2020.01.003
Abstract:
Objective The similarities, differences and inducements of nutrient distribution between plantation and secondary forest were analyzed, in order to master the situation and dynamic law of nutrients in different parts. Method T he leaves, roots a...
2020, 37(1): 27-35.
doi: 10.11833/j.issn.2095-0756.2020.01.004
Abstract:
Objective One of the main tasks of reconstruction of low-function forest of Beijing-Tianjin Sandstorm Source Control Ⅱ Project is to increase species diversity indices. The aim is to explore and assess the effects of various environmental factors o...
2020, 37(1): 36-42.
doi: 10.11833/j.issn.2095-0756.2020.01.005
Abstract:
Objective This study aims to explore the way of forest rehabilitation, improve the forest structure, maintain biodiversity and provide a reference for further research on plant community characteristics of Cunninghamia lanceolata forests. Method ...
2020, 37(1): 43-50.
doi: 10.11833/j.issn.2095-0756.2020.01.006
Abstract:
Objective The aim is to discuss the relationship between rapid growth of stems of Phyllostachys edulis and gene expression of PeATG1 and PeATG4. Method S tems of P. edulis shoots were used as materials, the autophagic activity at different perio...
2020, 37(1): 51-59.
doi: 10.11833/j.issn.2095-0756.2020.01.007
Abstract:
Objective The aim is to explore the dwarf method and clarify preliminarily the growth and photosynthetic mechanism of Dendrocalamus oldhami, effects of bamboo shoot truncation on morphology, survival rate, chlorophyll content and chlorophyll fluore...
2020, 37(1): 60-68.
doi: 10.11833/j.issn.2095-0756.2020.01.008
Abstract:
Objective The aim is to understand the difficulty of seedling breeding and to solve the natrual regeneration problem in declined stands of Pinus sylvestris var. mongolica sandy-fixation plantation, response characteristics of the seed germination a...
2020, 37(1): 69-75.
doi: 10.11833/j.issn.2095-0756.2020.01.009
Abstract:
Objective Limitations to growth and biomass production are expected due to low soil oxygen content. To increase soil oxygen content of Phyllostachys violascens stands under various managements and to provide a new technique for soil aeration and su...
2020, 37(1): 76-84.
doi: 10.11833/j.issn.2095-0756.2020.01.010
Abstract:
Objective To provide theoretical basis for the sustainable development of Cunninghamia lanceolata public welfare forest, a study is conducted of the response of soil microbial carbon metabolism to stand density and the relationship between soil phy...
2020, 37(1): 85-92.
doi: 10.11833/j.issn.2095-0756.2020.01.011
Abstract:
Objective The aim is to reveal the effects of different straw returning quantities on cropland soil fauna community. Method A n experiment with four types of straw returning quantities[0.8(T20), 0.4(T10), 0.2(T5) kg·m-2 and no straw returning(ck...
2020, 37(1): 93-99.
doi: 10.11833/j.issn.2095-0756.2020.01.012
Abstract:
Objective The aim is to improve control of Dendrolimus punctatus larval occurrence, and to select a suitable prediction model by increasing prediction accuracy through a catastrophe prediction method. Method T he prediction model GM(1, 1) for D....
2020, 37(1): 100-104.
doi: 10.11833/j.issn.2095-0756.2020.01.013
Abstract:
Objective To provide reference for wood production and quality improvement management measures, a study was conducted of the density index model of the Pinus massoniana plantation. Method T aking the P. massoniana plantation in the Boshan Forest...
2020, 37(1): 105-113.
doi: 10.11833/j.issn.2095-0756.2020.01.014
Abstract:
Objective Forest site quality evaluation refers to the judgement and prediction of site suitability or potential productivity. The aim is to establish a site quality evaluation model of Cunninghamia lanceolata plantaion. Method A new site quali...
2020, 37(1): 114-121.
doi: 10.11833/j.issn.2095-0756.2020.01.015
Abstract:
Objective Crown profile models can not only describe the radius at any position of the crown, but also predict the crown volume and the aboveground biomass. This paper developed a simultaneous equation system of crown profile model and crown volume...
2020, 37(1): 122-128.
doi: 10.11833/j.issn.2095-0756.2020.01.016
Abstract:
Objective The aim is to provide a new idea for tree species suitability evaluation, provide a support for scientific afforestation, and explore the relationship between site factors and tree suitability. Method T ake a Eucalyptus plantation in G...
2020, 37(1): 129-135.
doi: 10.11833/j.issn.2095-0756.2020.01.017
Abstract:
Objective Panax notoginseng, a kind of Chinese herbal medicine with high economic value and a close relationship to price fluctuation, could be very meaningful for a government's agricultural management departments to scientifically guide its plant...
2020, 37(1): 136-142.
doi: 10.11833/j.issn.2095-0756.2020.01.018
Abstract:
Objective The difference in hyperspectral reflectance of different crops is small, the subtle differences of the spectral feature enable identification of different crops. This aim is to find an effective way to select spectral feature bands from h...
2020, 37(1): 143-150.
doi: 10.11833/j.issn.2095-0756.2020.01.019
Abstract:
Objective The aim is to quickly perform the difference among pumpkin cultivars, a suitable evaluation system was established for pumpkin. Method 10 pumpkin cultivars were used to determine 30 indicators relevant to plant growth, fruit, textur...
2020, 37(1): 151-157.
doi: 10.11833/j.issn.2095-0756.2020.01.020
Abstract:
Objective The aim is to explore the effect of maturity on seed quality of conventional japonica rice. Method F ive conventional japonica rice cultivars of 'Chunjiangnuo 6', 'Shaonuo 9714', 'Xiushui 121', 'Xiushui 14' and 'Zhejing 70' were used ...
2020, 37(1): 158-164.
doi: 10.11833/j.issn.2095-0756.2020.01.021
Abstract:
Objective Measuring and analyzingthe fiber morphology, microfibril angle and crystallinity can provide a theoretical basis for its quality prediction and utilization. Method Taking 14-year-old Quercus nuttallii, Q. nigra and Q. shumardii as t...
2020, 37(1): 165-170.
doi: 10.11833/j.issn.2095-0756.2020.01.022
Abstract:
Objective The research aim is to improve the outdoor durability of scrimber. Method Water-soluble CuAz preservative was used to impregnate poplar fibrous veneer by means of atmospheric pressure and vacuum-pressure, respectively. The effects o...
2020, 37(1): 171-181.
doi: 10.11833/j.issn.2095-0756.2020.01.023
Abstract:
Heat island effect leads to the deterioration of urban residential thermal environment and the consumption of large amount of energy. How to effectively alleviate the heat island effect has become an urgent problem. Vegetation can reduce air temperat...
Heat island effect leads to the deterioration of urban residential thermal environment and the consumption of large amount of energy. How to effectively alleviate the heat island effect has become an urgent problem. Vegetation can reduce air temperat...
2020, 37(1): 182-187.
doi: 10.11833/j.issn.2095-0756.2020.01.024
Abstract:
Objective To determine the effects of different temperatures, sucrose concentrations, and boric acid concentrations on pollen germination and pollen tube growth of Heimia myrtifolia, and study the effects of different concentrations of naphthylace...
2020, 37(1): 188-194.
doi: 10.11833/j.issn.2095-0756.2020.01.025
Abstract:
Objective The mature embryos of Phoebo bournei were used as explants, and a variety of methods were used to establish the micro-cutting and breeding system of P. bournei. Method To explore the effects of different cotyledon excision intensiti...
