WE ARE COMMITTED TO REPORTING THE LATEST FORESTRY ACADEMIC ACHIEVEMENTS

2017 Vol. 38 Issue 5

2017 Vol. 38, No. 5

Export Citation
Predictive Distribution and Habitat Suitability Assessment of Taxus chinensis Based on MaxEnt in Sichuan Province
LI Can, LIU Xian-an, WANG Juan, PENG Pei-hao, SHAO Huai-yong
2017, 38(5): 1-7,32. doi: 10.16779/j.cnki.1003-5508.2017.05.001
Abstract:
The 201 localities of Taxus chinensis were selected as the underlying data source found in the second national survey of key wild plant resources in Sichuan. A total of 31 environmental variables were screened that affect the distribution of Taxus chinensis. The potential distribution areas of Taxus chinensis in Sichuan were designated and their suitability was evaluated by using the maximum entropy model (MaxEnt) and the ArcGIS geographic information system. The results have indicated that ① the most suitable area size for the growth of Taxus chinensis in Sichuan is 11 508.750 89 km2, accounting for 2.37% of the total area of Sichuan;the suitable area size for the growth is 13 340.487 64 km2, accounting for 2.75%;the relatively suitable area is 12 099.527 38 km2, accounting for 2.49%;and the unsuitable area size is 448 368.743 5 km2, accounting for 92.39%. The area which is the most suitable, suitable and relatively suitable for the growth of Taxus chinensis is mainly distributed at the edge of the mountain regions around the Sichuan Basin, such as Chaping Mountains, Longmen Mountains, Daba Mountains, Huaying Mountains, Dalou Mountains, Daxiangling Mountains and Qionglai Mountains;②Among the 31 environment variables which have influence on the distribution of Taxus chinensis, 12 of them have the major impact. To be specific, these major variables are altitude, annual temperature, precipitation in July, the monthly mean diurnal tempereture range, the average temperature in the coldest month, the precipitation variation coefficient, the lowest temperature in coldest month, the slope, the solar radiation in March, the average temperature in July, the average temperature in the driest season and the average temperature in November;③The most suitable environment for Taxus chinensis is highly vegetated subtropical ravine comparatively warm climate of 7.5℃~15℃ in annual mean temperature, and 7℃~10℃ in mean diurnal range, altitude of 1 000 meters~2 400 meters, abundant 50 mm~160 mm precipitation in July with a 50~75 variation coefficient, solar radiation of 11 000 KJ·m-2·d-1 to 12 200 KJ·m-2·d-1.
Seedling Testing and Family Selection of Toona cillate Elite Half-sib Family
CHEN Jian, YUAN Wei-gang, XIAO Xing-cui, YANG Yong-zhi, GUO Hong-ying, HUANG Zhen, CHEN Zhi
2017, 38(5): 8-12. doi: 10.16779/j.cnki.1003-5508.2017.05.002
Abstract:
In order to establish genetic improvement foundation of Toona sinensis, a seedling raising tests in a light medium container were conducted by using 45 Toona sinensis elite and half-sib families progenys in Sichuan, and investigations were made on the growth condition of seedling height and ground diameter. The result showed that there were extremely significant differences in both seedling height and ground diameter among families, which showed good selecting and breeding potentiality for their abundant variation among half-sib families. After statistically analyzing, 4 fast-growing improved families in seedling period of Toona sinensis were screened out, by the name of No. 19, 18, 24, 8 of Pengxi. The average seedling height and ground diameter of 4 fast-growing improved families were 29.92 cm and 4.18 mm respectively, which were higher by 28.83% and 9.51% than the average figure of 23.22 cm and 3.82 mm of the 45 tested families, respectively, and the genetic gains were 23.59% and 7.99%, respectively. However, the growth performance in the seedling period could not demonstrate the growth law during whole life time but could help researchers finish early selection of selecting and breeding of Toona sinensis improved families.
Foundation and Potentials of Transformation and Upgrading of Bamboo Industry in Sichuan
SUN Peng, LIU Qu-yuan, LI Yan, FEI Shi-min, LI Ying-ping, GONG Yi-hong, LI Xiao-qing
2017, 38(5): 13-17. doi: 10.16779/j.cnki.1003-5508.2017.05.003
Abstract:
Sichuan is one of the richest province in terms of bamboo resources in China, where the varieties and biological properties of bamboo species endow national economy with two advantages, bamboo pulp industry and bamboo shoot industry. Based on development of bamboo industry of Sichuan at the end of "The Twelfth Five-Year", related problems and causes were discussed in this paper. Besides the potential of transformation and upgrading of bamboo industry in Sichuan was analyzed, and some countermeasures and suggestions were proposed, aiming at promoting the healthy development of bamboo industry in Sichuan, by focusing on modern eco-forestry development and bamboo industry development under economic new normal, and by referring to development practices of bamboo industry taken by Zhejiang Province.
Review on Progress in Vegetation Close-to-Nature Recovery
HE Li, BIN Jian, DENG Dong-zhou, YAN Wu-xian, CHEN De-chao
2017, 38(5): 18-22. doi: 10.16779/j.cnki.1003-5508.2017.05.004
Abstract:
Close-to-Nature recovery mode was an effective means of the Close-to-Nature forestry theory for vegetation restoration. In this paper, a description is made of the concept of Close-to-Nature recovery mode and recent history of Close-to-Nature restoration forestry, focusing on ways and principles to Close-to-Nature recovery mode. Based on the summary application status at home and abroad, it was proposed that the study of Close-to-Nature recovery against grassland desertification should be strengthened, in order to promote sandy grassland restoration of native vegetation and enhance species diversity, prevent soil erosion, dust storms or other natural disasters.
Analysis of the Influence of Human Disturbance on Species Diversity and Ecological Factors
LUO Yi-shuang, HE Jie, ZHENG Shao-wei, LI Yan-qiong, PENG Pei-hao
2017, 38(5): 23-27. doi: 10.16779/j.cnki.1003-5508.2017.05.005
Abstract:
Species diversity is an important index of ecosystem health, enjoying multiple value. The formation and development of species diversity depend on ecological factors, studies of the relationship between species diversity and eco-factas could provide effective guidance for the ecosystem protection. Under the background of increasing human activities, this paper dealt with in the human disturbance on diversity and ecological factors, and now their relationship changes. Then the prospect of the study was also put forward on aquatic environment, biological invasion, the environment indicative plants and so on, to effectively promote studies of species diversity and ecological factors.
Application of Differential Proteomics Based on Mass Spectrometry in the Study of Plant Stress
TANG Ying, GAO Bu-hong, YANG Shi-long
2017, 38(5): 28-32. doi: 10.16779/j.cnki.1003-5508.2017.05.006
Abstract:
With the development of mass spectrometry, plant proteomics had become one of the highlights techniques in agro-scientific research in the forestry science at present. This paper reviewed current progress of plant adversity stress proteomics, and summarized the commonly used proteomic methods in drought stress, salt stres and biotic stress. The research progress of proteomics in forestry discipline development trends and application prospects were discussed, and the developing orientation for further research was presented.
Optimization of Solid-liquid Biphasic Ferment Constitution of Nomuraea rileyi
LI Shu-jiang, PENG Jiao-yang, ZHU Hanmingyue, LIU Qian, WANG Shi-wei, ZHU Tian-hui, HUANG Zu-hui, WU Ji-yun, ZHANG Xia
2017, 38(5): 33-37. doi: 10.16779/j.cnki.1003-5508.2017.05.007
Abstract:
Screening by substrates of basic medium, C, N, and vitamin, the formula of corn(50 g), glucose(1.5 g), casamino acids(1.5 g), ascorbic acid(0.5 mg), H2O(50 mL) was optimal medium substrates(cultivation for 10 d) for Nomuraea rileyi, the sporulation quantity was 4.78×1010 cfu·mL-1. Taking SMY as the liquid medium, the optimal fermentation conditions of N. rileyi were as below:1.0×108 cfu·mL-1 of inoculated concentration, 25℃, pH6, full light, 180 r·min-1 of shaking culturing for 7 days, and 690.2 mg of mycelia. The solid fermentation provided the basic formula for producing compound powder, and shortened time of liquid fermentation could be used as secondary generation for producing N. rileyi powder of solid fermentation. The fermented product is the important biological preparation of control Orthosia songi.
Photosynthetic Characteristics of Five Melia azedarach L. Clones
JIAO Zhong-yi, TANG Ling-ling, QIU Shu-guang, YAN Rui-chang, ZHANG Jue, ZHANG Li
2017, 38(5): 38-40. doi: 10.16779/j.cnki.1003-5508.2017.05.008
Abstract:
To better understand the photosynthetic characteristics of Melia azedarach L. clones, investigations were made on leaf photosynthetic parameters of five different clones. Leaf net photosynthetic rate(Pn), stomatal conductance(Gs), leaf transpiration rate(Tr)and intercellular CO2 concentrations (Ci) were measured by using a portable Licor 6400 photosynthesis system (LI-6400) and then further analysed. The results showed that intercellular CO2 concentrations (Ci) and physiological water-use efficiencies (WUE) of the five different clones exhibited highly significant differences. Leaf net photosynthetic rate(Pn)and leaf transportation rate(Tr)showed significant differences while stomatal conductances(Gs)of the five clones non-significant. Among them, the three clones, J104 (‘Jiangsu 104’)、J7 (‘Jiangsu 7’) and J61 (‘Jiangsu 61’) had a relatively higher net photosynthetic rate than other clones. Moreover, J61 had a higher water-use efficiencies(WUE).
A Study of the Introduction Adaptability of Dendrobium officinate and Its Polysaccharide Content Analysis
GU Hai-yan, XIE Kong-ping, Li Ce-hong
2017, 38(5): 41-43,62. doi: 10.16779/j.cnki.1003-5508.2017.05.009
Abstract:
Dendrobium officinate is a precious traditional Chinese medicine. Researches were conducted on the growth characteristics and adaptability of 9 varieties of Dendrobium officinate, which were introduced from different origions to the area of Mount Emei in Sichuan provice;And their polysaccharide content was also measured. The result showed that Zhejiang No. 2 had the best adaptability and the most content of polysaccharide. The introduced wild resources were of good adaptability and resistance, able to be used as a good source for development of dendrobil industry in Sichuan.
Effects of Afforestation Patterns and Slope Positions on the Growth of Phoebe bournei (Hemsl.) Seedlings
CHEN Su-guang
2017, 38(5): 44-46. doi: 10.16779/j.cnki.1003-5508.2017.05.010
Abstract:
Sapling height and ground diameter of Phoebe bournei (Hemsl.) were compared under 3 modes which included felling interplanting, thinning intercropping and deforested land forestation. The results showed that Phoebe bournei (Hemsl.) sapling height and ground diameter of the felling interplanting mode were obviously higher than the other 2 modes. Meanwhile, sapling height and ground diameter in laver slope position were larger, but the difference was not significant. Therefore, it could be concluded that the felling interplanting was the most suitable afforestation pattern of Phoebe bournei (Hemsl.).
Survival Rate of Walnut by Improved Bud Grafting Techniques
LI Tian-jun, YAN Ming, FAN Bin, LI Pi-jun
2017, 38(5): 47-49,52. doi: 10.16779/j.cnki.1003-5508.2017.05.011
Abstract:
Reference were provided for walnut production by comparing the traditional walnut budding technology to the modified one, and improving the binding methods, anvil cutting methods, grafting period and selection of scions. It was showed that survival rate of walnut could be improved effectively by using film to colligate, choosing full buds and strong scions, and grafting in mid-late June.
Effect of Grafting Time on Survival Rate and Growth of Macadamia integrifolia Seedlings
LUO Han-yan, SHI Fu-qiang, TONG Qing, LIU Qing-yun, WAN Ju-he
2017, 38(5): 50-52. doi: 10.16779/j.cnki.1003-5508.2017.05.012
Abstract:
Survival rate and growth of Macadamia integrifolia grafting seedlings were investigated in the Junsai nursery base of Zhenkang county in June 2016, which were grafted from October 2015 to January 2016. The results showed that the survival rate and growth had significant difference among different periods of grafting. The most suitable grafting time was November and December for local Macadamia integrifolia.
A Preliminary Study of Cultivation Techniques for Fritillaria cirrhosa
XIA Jin-chun, ZHUO Mu, ZHANG Chao, REN Bo
2017, 38(5): 53-57,72. doi: 10.16779/j.cnki.1003-5508.2017.05.013
Abstract:
It was a long term to complete a production cycle of Fritillaria cirrhosa and the management was challenging. Techniques in several key links of the cultivation process were summarized in this paper. Firstly, seed propagation could help to obtain a large quantity of bulbs rapidly. High-quality protective seed spot was necessary because of the small size of 1-2-year-old bulbs. Seed spot providing proper medium, temperature and humidity could avoid low success rate in field seed propagation. Secondly, taking advantage of the difference of growth cycle between Gramineae and Fritillaria cirrhosa, weed control by black film covering could save labor and reduce harm to bulbs, resulting in well structured soil and promoted the growth next year. Thirdly, a comprehensive and prompt supply of fertilizers was important to the yield. The applying of nitrogen, phosphorus and potassium fertilizer, especially the last one' was indispensable.
A Study of Principal Component Analysis in Comprehensive Indicator Screening for Parocneria Orienta Hazard
JIA Yu-zhen, ZHANG Xin, ZHOU Jian-hua
2017, 38(5): 58-62. doi: 10.16779/j.cnki.1003-5508.2017.05.014
Abstract:
The aim of this paper is to investigate the application of principal component analysis in impact factors of Parocneria orienta hazard in Zhongjiang County. A principal component analysis was performed by the data of 12 factors associating with the prediction of P. Orienta hazard. The degree of P. Orienta hazard in different regions was obtained and intuitively presented by GIS. The eigenvalues of 3 principal components were 35.274%、20.544%、14.897%, respectively. The accumulative contribution rate of the 3 major factors to total variation accounted for 70.715%, maintaining most of information of 12 characters. According to the comprehensive value of principal component, GIS Natural Breakpoint Method was used to divide the degree of P. Orienta hazard into frequently occurring region, occasionally occurring region and safe area. Results showed that principal component analysis could optimize the comprehensive indicators for the evaluation of P. Orienta hazard, and comprehensive score of Principal Component could quantify and intuitively show the degree of P. Orienta hazard in different regions.
The Ecological Planting Technology of Paris polyphylla var. yunnanensis in the Forest of the Mountain Area around Sichuan Basin
LUO Zong-shi, ZHAO Shun-cai, JIAN Yi, LIN Jing
2017, 38(5): 63-67. doi: 10.16779/j.cnki.1003-5508.2017.05.015
Abstract:
Yunnan paris (Paris polyphylla Smith var. yunnanensis (Franch.) Hand. -Mazz.) is a Chinese herbal medicine, and also the main component of some famous Chinese pateat drugs such as Yunnan Baiyao, Ji Desheng Sheyao tablets, Gongxuening capsules. In recent years, because of the discovery of its new medicinal value, the demand was increasing. With slow growth blind acquisition and excavation of Yunnan paris, the wild resource is nearly exhausted, and becomes a kind of rare Chinese medicinal plants. The forest land resources of the Mountain area around Sichuan Basin are very rich, suitable for planting Yunnan paris. In this paper, through the research and literature review, the ecological planting technology of Yunnan paris was summarized in the forest of the Mountain area around Sichuan Basin, in order to provide technical reference to Yunnan paris understorey artificial planting.
Soil Nutrient Characteristics in Different Vegetation Restoration Patterns of Mountain Yellow Soil in the Southwest Margin of Sichuan Basin
HE Zhuo-gang, LI Xiao-long
2017, 38(5): 68-72. doi: 10.16779/j.cnki.1003-5508.2017.05.016
Abstract:
Forest Vegetation is the important factor on effect of soil physicochemical properties. Therefore, the basis of forest operation is fully to understand the mutual relations between vegetation and soil property. The mountain yellow soil of low mountainous regions was taken as the object in Mabian County, southwest of Sichuan basin margin, compating the Cryptomeria fortunei forest, Alnus cremastogyne forest, bush wood, mixed forest (Cryptomeria fortunei×Alnus cremastogyne) forests and slush's soil nutrient changes with the depth of soil including soil alkali-hydrolysable nitrogen, full phosphorus, full potassium, effective phosphorus, and available potassium. The results showed that the soil nutrient content decreased under the five models of shrub, alder, mixed forest, Cryptomeria fortunei and slush, forest soil nutrient content of 0~15 cm layer was hlgher than that of 15 cm~30 cm, which presented a significant correlation. Therefore, integrated shrubbery, mixed planting and optimum afforestation of nitrogen fixation tree in afforestation will improve soil physical and chemical properties, increase soil nutrient, accelerate the growth of forest vegetation, which is good for ecological circulation.
The Superior Seedling Selection of Idesia polycarpa
JIA Chen, LI Jie, LUO Jian-xun, YANG Ma-jin
2017, 38(5): 73-75,88. doi: 10.16779/j.cnki.1003-5508.2017.05.017
Abstract:
Based on data of 1 year~3 years old seedling of Idesia polycarpa, studies were made of the standard and methods of superior seedling selection. The results showed that there were abundant genetic variations in height and diameter growth among the same age individuals, which provided material basis for choosing super seedlings. Height and basal diameter were significantly positively correlated. the choice of superior seedling depended on basal diameter increment primarily and height increment as auxiliary. From the first and the second selection, 51 superior seedlings aged 1~3 were selected by height and diameter which were no less than 1.1 times of the average amount. The selected ratio were from 0.33% to 0.39%. And superior seedlings had larger genetic gain.
Risk Assessment of Cronartium ribicola J. C. Fischer ex Rabenhorst and Cronartium flaccidum Alb. et Schw. Winter in Sichuan
YANG Li, ZHOU Jian-hua
2017, 38(5): 76-78,104. doi: 10.16779/j.cnki.1003-5508.2017.05.018
Abstract:
This study evaluated the risk of pine blister rust by means of Pest Risk Analysis (PRA). The results showed that the pathogen of pine blister rust was a highly dangerous forestry pest in Sichuan province. The related quarantine supervise should be strengthened to prevent the disease from spreading.
Causes and Countermeasures of Low-output Walnut Orchards in Hilly Areas of Central Sichuan
JIN Yin-chun, LIU Tian-mei, XIE Kui, CHEN Shan-bo, SONG Xiao-jun, LUO Hui
2017, 38(5): 79-83. doi: 10.16779/j.cnki.1003-5508.2017.05.019
Abstract:
More and more low-output walnut orchards were found through extensive investigation in hilly areas of central Sichuan. By analysizing survey data, the main reasons of low output of walnuts in this climate area included mixed varieties, maggy conditions, severe diseases and pests, poor management and lack of management. In order to increase the output of walnuts and make the walnut industry become a new economic growth point, in this paper some countermeasures were put forward, such as improving management awareness, promoting local varieties, establishing demonstration area and improving the processing techniques.
A Study of Forestland Change Detection Based on Dimidiate Pixel Model
ZHU Guo-xiang, HE Tie-xiang
2017, 38(5): 84-88. doi: 10.16779/j.cnki.1003-5508.2017.05.020
Abstract:
This paper took Shapotou District of Zhongwei city in Ningxia Hui Autonomous Region as study area, using GF-1 remote sensing images of the year 2015 and 2016, from which the NDVI value were extracted to generate difference images of vegetation index generation two pixel inversion model, detect the reduced index information of vegetation. At the same time, overlay all kinds of recent forestry thematic data, and identify changes of forestland through visual interpretation, screening, classification. The results showed that the model reflected the change in the research area more quickly and accurately, which provided technical support for the management of forest resources, forest management, supervision and law enforcement.
Application of Participatory Method in the Establishment of Community Collective Forest Management Plan
WEI Shu-fang, WEI Jun-hua, LUO Yong, LIU Ming
2017, 38(5): 89-93,121. doi: 10.16779/j.cnki.1003-5508.2017.05.021
Abstract:
A scientific and reasonable plan of community collective forest management is the basis for the precisely upgraded community collective forest quality. The application and effect were summarized in formulating community forest management plan through the participatory approach in two pilots, then four steps were presented to develop a community-based forest management plan through a participatory approach:the preparation of forest management, the assessment of the status of forest management, the planning of forest management strategy and the formulation of the annual forest management plan. It was suggested that the community collective forest management plan should be completed by the villager-based community planning group, and the outside help and support should be provided. The evaluation index of the forest management status should meet the actual situation of the community.
The Influence of Environmental Conditions in Panzhihua on the Temporal and Spatial Distribution of Forest Fires
CHEN De-chao, CHEN Di-fei, YAN Wu-xian, NING Xuan-lin, YU Ling-fan, WU Shi-lei
2017, 38(5): 94-96. doi: 10.16779/j.cnki.1003-5508.2017.05.022
Abstract:
In this article, analysis was made of the burned area and frequency of forest fires in Panzhihua by season distribution, month distribution, town distribution and their influencing factors such as climate, topography and human factors. It was suggested that human factors were crucial to precaution against forest fire, which provided a scientific foundation for the precaution and extermination against forest fires in Panzhihua.
Studies of Population Distribution Patterns of Caltha dysosmoides
WANG Hong, WANG Yan-mei, HU Jin-yao, ZHU Yun-dong
2017, 38(5): 97-100,117. doi: 10.16779/j.cnki.1003-5508.2017.05.023
Abstract:
Analysis was made of the population distribution pattern of Caltha dysosmoides, aiming to provide data for the protection and exploitation. A survey was conducted arourd patrolling point of Beichuan bamboo ditch protection station (E104°13'20.2″, N32°13'9.5″). During the investigation, 9 plots were set, and there were 796 plants in 174 groves of Caltha dysosmoidea, which were divided into 20 samples by equidistant sampling method, and with variance/mean ratio method, the population distribution pattern of the Caltha dysosmoidea was analysied. The results showed that the 1-a, 1-d, 2-b, 2-c, 2-d, 2-e, 2-f, 4-a, 5-a, 6-a, 6-b, 7-a, 7-b, 8-a, 9-a were clump distribution in 20 samples, and the 1-b, 1-c, 2-a, 2-g, 7-c were uniformly distributions.
Research on Growth Characteristics of Cinnamomum longepaniculatum Plantation in Yibin County
WANG En-ping, YU Tian-yu, JIN Wei, JIA Chen, GU Yun-jie
2017, 38(5): 101-104. doi: 10.16779/j.cnki.1003-5508.2017.05.024
Abstract:
The research was conducted on forest growth characteristics of Cinnamomum longepaniculatum planted in Yibin county by stem analysis method. The results showed that tree height, DBH and total volume increment of the 27 year old Cinnamomum longepaniculatum were 14.6 m, 17.0 cm and 0.141 722 m3, respectively. The annual increment of tree height reached the maximum at the age of 12, and its quantitative maturity age was about 13. Its critical growth period of DBH was in the first 18 years during plant growth. The current annual increment of volume reached the maximum (0.009 631 m3) at the age of 12, and its quantitative maturity age was about 28. The growth process of volume could be divided into three stages:1 year~9 years being slow growth phase, 9 years~18 years being fast-growing stage, and being progressive decelerational phase after 18 years.
General Situation of International Walnut Production and Promotion Strategy of Walnut Industry in China
YI Shan-jun
2017, 38(5): 105-108. doi: 10.16779/j.cnki.1003-5508.2017.05.025
Abstract:
According to the latest FAO statistics, analysis was made of the international walnut harvest area and production quantity. The results showed that Asian, North America, Europe and South America were main walnut cultivation areas, where the harvest area and production quantity occupied respectively 98.07% and 98.86% of the world. Although walnut industry made great progress in China, varietal mixture, the low degree of improved variety, unreasonable cultivation and management seriously restricted the development of walnut industry. Therefore, some countermeasures should be adopted, such as raising the degree of improved variety, adopting reasonable cultivation and management, to insure healthy developmen of Chinese walnut industry.
The Development and Experiences of California Walnut Industrialization in USA
CHEN Shan-bo, JIN Yin-chun, XIONG Liang, PENG Xiao-xi, SUN Xue-jiao
2017, 38(5): 109-114. doi: 10.16779/j.cnki.1003-5508.2017.05.026
Abstract:
The United States is the largest producer and exporter of walnuts in the world. It has become one of the most famous walnut producing countries in the world. In order to further study the California walnut advanced science and technology and management experience, based at study visits to the University of California at Davis, University of Missouri at Columbia and other places, in-depth analysis was made of California natural environment and climate characteristics, cultivation history and status quo, walnut asexual breeding technology, cultivation management, harvest and processing technology and industrial development. Combined with the development status of Sichuan walnut, some ideas were put forward about developing cultivars and rootstock selection, planting, scientific and standardized cultivation technology promotion, etc., aiming to provide the scientific basis for the sustainable development of walnut industry in Sichuan.
The Difficulties and Countermeatures of Preventing and Controlling Forest Fires in the Northwest Plateau of Sichuan
DA Lang-zhou, WANG Jia-zhi, A Xi, ZHOU Hou-lan, LONG Shi-liang, ZHAO Shun-cai, ZHANG Li, CHEN De-chao
2017, 38(5): 115-117. doi: 10.16779/j.cnki.1003-5508.2017.05.027
Abstract:
The difficulties of preventing and controlling forest fires were discussed in the northwest plateau of Sichuan, according to the occurrence and development of forest fires. And the corresponding suggestions were put forward in light of the difficulties.
Consideration on Building the Forest Health Base under Mountain Forest Vegetation Conditions
ZHANG Xue-qiang, CHEN An-quan, HE Yan
2017, 38(5): 118-121. doi: 10.16779/j.cnki.1003-5508.2017.05.028
Abstract:
This paper expounds the concept and development present condition of the forest health, and taking the Yuping mountain in Hongya as an example, analyzes the advantages and building measures of the forest health base under the conditions of mountain forest vegetation. Finally, some suggestions are puts forward for the building forest health base.
Discussion on the Status of Ecological Environment of the Red Willow Region in the Baihe Basin of Hongyuan County and Protection Countermeasures
BIN Jian
2017, 38(5): 122-123,140. doi: 10.16779/j.cnki.1003-5508.2017.05.029
Abstract:
The Baihe basin in Hongyuan County is located at the edge of the Tibetan Plateau, being the alpine plateau region formed in Cenozoic uplift period of neotectonic movement. Its fragile ecological environment. Its influence of natural environment and human activities have resulted in decreased area of red willow forest year by year, serious degradation of grassland and wetland, desertification expansion and soil erosion, which restricted the economic development of local animal husbandry. Therefore, it is imperative to strengthen local ecological improvement and protection, through the establishment of ecological protection zone of river basin area, rational utiliation, strengthening the management and improvement which would promote local ecological environment, in order to reach the sustainable utilizaation of resources and sustainable economic development.
Research Status and Prospects of Hibiscus mutabilis
WANG Ying
2017, 38(5): 124-127. doi: 10.16779/j.cnki.1003-5508.2017.05.030
Abstract:
In this paper, the research status of Hibiscus mutabilis in chengdu were expouded and reviewed systemly based on a series of special topics research and application for a long time at Chengdu Institute of Gardening Sciences, combined with current social development of Hibiscus mutabilis research and application of practical needs, some existing problems and corresponding countermeasures were put forward. And in order to provide a reference for reproduing the grand view of "colorful and beantiful flowers" as soon as possible.
Research Review on Postharvest Storage Technology of Sweet Cherries
MENG Xia, LEI Yan-fei, WANG Jia-zhi, ZHANG Li, KANG Ying, ZHU Xin-wei
2017, 38(5): 128-132,147. doi: 10.16779/j.cnki.1003-5508.2017.05.031
Abstract:
The area and production of sweet cherry has been expanding in recent years. But it is extremely difficult to store and transport sweet cherry fruits, which to some extent hampers the development. Hence, research on storage technology will be of great significance to the development of sweet cherry industry. In this paper, postharvest physiology, diseases, effect of maturity on storage and storage technology in recent years were reviewed. Preservation measures could slow down the decrease rate of nutrients, reduce the rate of rot and improve storage quality. However, the preservation measures of sweet cherry are mainly cold storage with poor effect. It is still an urgent need to find a non-toxic, economical and efficient storage method for different regions and varieties of sweet fruits. In addition, it is necessary to strengthen the promotion of storage technology, research preservation in transit, construct and improve storage facilities.
A Preliminary Discussion on Information Construction in Wolong Nature Reserve
TANG Li, GOU Shi-xing, WING Yong-yue, YE Ping, ZHANG Ju-yi, LIU Ming-chong, LI Hang
2017, 38(5): 133-135. doi: 10.16779/j.cnki.1003-5508.2017.05.032
Abstract:
After introducing modern information system into Wolong Nature Reserve, great changes have taken place in the management. The information construction directly serves the wildlife monitoring, forest fire prevention, scientific research and protection, government administration, community co-management, public education and propaganda, ecological tourism and other works in the reserve. Because of the ‘high-end atmospheric grade’ and fragile characteristics of information systems, the information construction of nature reserves still needs to be strengthened and improved.
The Effects of Agroforestry on Diversity of Birds——Taking Ganjianbao of Lixian County in Sichuan as an Example
WEN Ping, YUE Chun-hong, XU Wan-su, ZHANG Wei, QING Qing, DAI Qiang
2017, 38(5): 136-140. doi: 10.16779/j.cnki.1003-5508.2017.05.033
Abstract:
Agroforestry is one type of the ecological agriculture. Using birds as indicators, the diversity and composition of birds were investigated by setting 9 sampling points in Ganjiabao Agroforestry Demonstration Sites, which is located in Lixian, Sichuan Province, from 2015 to 2017. The results showed that both richness and abundance of birds increased significantly after the land transformed to agroforestry system. The proportion of forest birds and bush birds, meanwhile, also increased. It suggested that the system of agroforestry could increase the diversity of birds, and thus contributed to the recovery of local biodiversity and the restoration of ecosystem significantly.
Species and Distribution of Soricomorpha in Jiuzhaigou National Nature Reserve
YANG Yu-hua, LEI Kai-ming, LIU Yang, KUANG Pei-gang, ZHANG Yue, SUN Hong-ou
2017, 38(5): 141-144. doi: 10.16779/j.cnki.1003-5508.2017.05.034
Abstract:
From April to June in 2015, a field survey of soricomorpha was conducted in Sichuan Jiuzhaigou National Nature Reserve by using drift fences and pitfall traps. A total of 146 individuals were captured, composed of 84 soricomorpha specimens and 62 rodentia specimens, which included 13 species of soricomorpha and 8 species of rodentia from 72 traps of 6 study sites. Based on this and former surveys, there were 17 soricomorpha species belonging to 11 genera and 2 families in this area. Scaptonyx fusicaudus, Scapanulus oweni, Episoriculus caudatus, Blarinella quadraticauda of soricomorpha and Vernaya fulva of rodentia were the first records in Sichuan Jiuzhaigou National Nature Reserve.
Life History and Controlling of the Pantana phyllosta Moth
LIN Quan, SU Ling
2017, 38(5): 145-147. doi: 10.16779/j.cnki.1003-5508.2017.05.035
Abstract:
Pantana phyllostachysae Chao is one of the main pests for Moso bamboo, which could destroy the bamboo forest totally under severe harm condition. In this study the morphotogical Chara cteristics and occurrence regularity of P. phyllostachysae Chao were descriped, and control measures of different periods and steps were summarized.
A Method for Making Glass Slide Specimen Preparation of Aphids
XU Meng-lin, WANG Xiao-mei, ZHONG Jin, DONG Gang-ming, TIAN Yuan-yuan
2017, 38(5): 148-150. doi: 10.16779/j.cnki.1003-5508.2017.05.036
Abstract:
A method was described to make the glass slide specimen for aphids. Reagents included the mixed solution of saturated chloral hydrate and Phenol, 10%NAOH, Ethanol and the others. The treatments of aphid included the structural fixation of aphid, exclusion of impurity, transparency of aphid, dehydration of aphids shaping of aphids which could make the production of aphid glass slide specimens complete and beautiful, being of high success rate and conducive to the identification and long-term preservation of aphid specimens.