2020 Vol. 37, No. 3
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2020, 37(3): 397-406.
doi: 10.11833/j.issn.2095-0756.20190335
Abstract:
Objective The present study is to analyze the dynamic change patterns of fine particulate matter (PM2.5) and the blocking effects of urban road forests, and further explore which type of forest belt has the optimal dust and haze control effects. ...
2020, 37(3): 407-415.
doi: 10.11833/j.issn.2095-0756.20190382
Abstract:
Objective Taking the over-cutting forest in Daxingan mountains as the research object, this study aims to define space utilization of forest, propose the calculation method for space utilization ratio and analyze space utilization law of natural st...
2020, 37(3): 416-423.
doi: 10.11833/j.issn.2095-0756.20190384
Abstract:
Objective A proper understanding of the above-ground and underground biomass allocation and carbon storage of Picea schrenkiana, an important tree species in Xinjiang mountainous areas of great significance to the forest resources investigations in...
2020, 37(3): 424-431.
doi: 10.11833/j.issn.2095-0756.20190461
Abstract:
Objective With the employment of nonlinear quantile regression method using dummy variables, the current study is aimed to establish a prediction model for the relationship between height and diameter at breast height (DBH) in Larix principis-ruppr...
2020, 37(3): 432-438.
doi: 10.11833/j.issn.2095-0756.20190448
Abstract:
Objective The aim is to conduct a scientific assessment of the coordinated development between environmental construction and social service in wetland parks and the overall quality of wetland parks. Method B ased on the clarification of the qua...
2020, 37(3): 439-446.
doi: 10.11833/j.issn.2095-0756.20190306
Abstract:
Objective This research studied the characteristics and driving forces of landscape pattern change in southern collective forest area to provide scientific basis for sustainable forest management. Method L andscape pattern change characteristics...
2020, 37(3): 447-455.
doi: 10.11833/j.issn.2095-0756.20190396
Abstract:
Objective With an attempt at the clarification of the dominant species and structural characteristics of landscape-recreational forests in different ecological niches, the current paper is aimed to conclude the rules and research the existing probl...
2020, 37(3): 456-464.
doi: 10.11833/j.issn.2095-0756.20190391
Abstract:
Objective This study aims to analyze the horizontal and vertical distribution characteristics of plants diversity in typical riverside rural settlement zones along the Nansha river of Guangzhou, and explore the variation law of plant diversity with...
2020, 37(3): 465-471.
doi: 10.11833/j.issn.2095-0756.20190436
Abstract:
Objective Wetland is a precious natural resource and an important ecosystem with irreplaceable functions. The wetlands in Changxing County play an important role in Zhejiang Province. A survey of the diversity of vascular plants in wetlands was car...
2020, 37(3): 472-479.
doi: 10.11833/j.issn.2095-0756.20190343
Abstract:
Objective Based on the fuel distribution characteristics of the Platycladus orientalis forest in Western Hills of Beijing, fuel regulation measures of different intensities were implemented, and effects of the fuel regulation measures were evaluate...
2020, 37(3): 480-488.
doi: 10.11833/j.issn.2095-0756.2020.20190485
Abstract:
Objective To restore and better protect the naturalness of Yongding River, one of the five major rivers in Haihe River Basin, the current study is aimed at the naturalness evaluation of it based on the close-to-nature concept, which is of grate sig...
Effects of shading and fertilization on growth and nitrogen accumulation of Phoebe zhennan seedlings
2020, 37(3): 489-495.
doi: 10.11833/j.issn.2095-0756.20190399
Abstract:
Objective This study aims to reveal the effects of shading and fertilization on growth and nitrogen accumulation of Phoebe zhennan seedlings to provide scientific basis for the growth control of this plant. Method T he two-split-plot test design...
2020, 37(3): 496-505.
doi: 10.11833/j.issn.2095-0756.20190370
Abstract:
Objective To provide a scientific basis for seedling breeding and population protection, the effects of shading treatment on the growth and physiological functions of Cercidiphyllum japonicum seedlings were analyzed. Method W ith single factor r...
2020, 37(3): 506-513.
doi: 10.11833/j.issn.2095-0756.20190366
Abstract:
Objective Nothofagus antarctica PSⅡ photochemical performance under low temperature was assessed and its results were used in calculation integrated biomarker response (IBR) to assess the synthetical indicator of chlorophyll fluorescence under low ...
2020, 37(3): 514-521.
doi: 10.11833/j.issn.2095-0756.20190259
Abstract:
Objective The purpose of this study is to determine the optimal exponential nitrogen (N) application amount for Phoebe bournei seedling cultivation, and to enrich fertilization measures for cultivation of high-quality P. bournei seedlings. Method...
2020, 37(3): 522-530.
doi: 10.11833/j.issn.2095-0756.20190388
Abstract:
Objective Enzyme kinetics study is a crucial method to reveal nutrient transformation in soil. The purpose of this study is to investigate the effects of wetland reclamation on transformation and availability of soil phosphorus and provide theoreti...
2020, 37(3): 531-539.
doi: 10.11833/j.issn.2095-0756.20190383
Abstract:
Objective This study aims to analyze differences in soil moisture and influencing factors of karst microhabitats of the eastern Yunnan Plateau, so as to provide scientific basis for the restoration of karst ecosystems. Method W e studied karst n...
2020, 37(3): 540-546.
doi: 10.11833/j.issn.2095-0756.20190325
Abstract:
Objective The current study, in order to establish the index for the rapid identification of the resistance of soybean pods, is focused on three cultivars of cultivars, namely the high-resistant cultivar ‘QWT15-2’, the medium-resistant cultivar ‘E1...
2020, 37(3): 547-555.
doi: 10.11833/j.issn.2095-0756.20190339
Abstract:
Objective This study attempts to explore the optimum technology of ultrasonic-assisted [Bmim]Cl-K2HPO4 extraction of okra polysaccharides. Method C loud point titration was used to compare the phase separation ability and extraction ability of f...
2020, 37(3): 556-562.
doi: 10.11833/j.issn.2095-0756.20190337
Abstract:
Objective The purpose is to explore the preservation effect and mechanism of exogenous oxalic acid treatment on bamboo(Bambusa oldhami) shoots at low temperature. Method T he peeled bamboo shoots were soaked in 5 mmol·L−1 oxalic acid solution fo...
2020, 37(3): 563-570.
doi: 10.11833/j.issn.2095-0756.20190379
Abstract:
Objective In order to figure out how the underlying surface influences the thermal environment of villages and towns, the current study is aimed at a further analysis of the correlation between the characteristics of the underlying surface and the ...
2020, 37(3): 571-577.
doi: 10.11833/j.issn.2095-0756.20190394
Abstract:
Objective In order to provide the technical support for promoting the practical development and utilization of blackwood (Acacia melanoxylon) planted in China, its drying characteristics were investigated, and further its suitable drying schedule w...
2020, 37(3): 578-586.
doi: 10.11833/j.issn.2095-0756.20190364
Abstract:
Objective The current paper is aimed to put forward a path tracking method based on ultra wideband (UWB) positioning and fuzzy control with self-adjustment function in order to improve the accuracy of automatic vehicle navigation in greenhouse. M...
2020, 37(3): 587-592.
doi: 10.11833/j.issn.2095-0756.20190635
Abstract:
Objective This aim is to explore the industry-oriented rural landscape planning in northern Zhejiang and a rural development pathway that combines increased quality of rural landscape with optimized rural industrial structure. Method W ith three...
2020, 37(3): 593-604.
doi: 10.11833/j.issn.2095-0756.20190412
Abstract:
Forest ecosystem is an important part of carbon cycle in terrestrial ecosystem. Forests can regulate CO2 concentration in the atmosphere and it is of great scientific significance and application value to conduct carbon cycle research of forest ecosy...
Forest ecosystem is an important part of carbon cycle in terrestrial ecosystem. Forests can regulate CO2 concentration in the atmosphere and it is of great scientific significance and application value to conduct carbon cycle research of forest ecosy...
2020, 37(3): 605-610.
doi: 10.11833/j.issn.2095-0756.20190342
Abstract:
Objective The objective is to investigate the resistance of Phoebe sheareri to anthracnose induced by salicylic acid (SA). Method T he 2-year old P. sheareri was used as material, spayed with 100, 200, 500 mg·L−1 SA. After 5 days, the leaves wer...
