Table of Content

10 December 1984, Volume 3 Issue 06

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COMMON SPECIES OF FLIES AND THEIR BIONOMICS IN SHANXI PROVINCE

Xue Ruide

1984, (6):  1-6,22. 

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Though there are a lot of species of flies in Shanxi, common species are only about 129, of which, about 30 species are important.Many adults begin to appear in March and disappear in the end of November. The peak of their occurence is from middle Jane to the end of August. The hibernation of these flies is mainly at pupal stage, out also at adult and larva stages. These important species are active in human house, livestock farm and deit department. Their larvae are bred in human excrements, livestock dungs and garbage. The natural enemies of common flies are mites, wasps and others.Based on the bionomics of common flies in Shanxi, the principal control measures are proposed by the author.

THE ECOLOGICAL MEANING OF PLANTING SPARTINA ANGLICA IN TIDAL MARSH

Lin Dongfu

1984, (6):  7-9. 

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This paper briefly indicated that planting Spartina anglica in intertidal region could promote the beneficial ecological circulation and that it was profitable to enlarge its planting area enthusiastically with suitable measures to local conditions.

THE PATHOGENY OF KASCHIN-BECK DISEASE——A COMPREHENSIVE ECOLOGIC EFFECT OF ENDEMIC AREA

Li Fangsheng, Liu Guanglin, Bai Shicheng, Cheng Borong

1984, (6):  10-14. 

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Studies show that the main pathogeny of Kaschin-Beck disease is possibly a "membrane defect" originated from the deficiency of membranous materials in food caused by a comprehensive ecological effect. The antioxidant ability of "defected" membrane is more reduced by Se-deficiency, which induces a disorder in metabolism and development of cartilage and muscle etc.

A PRELIMINARY STUDY ON THE EVAPOTRANSPIRATION INTENSITY OF ARTIFICIAL MONGOLIAN PINE FOREST

Jiao Shuren

1984, (6):  15-18. 

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According to the study of evapotranspiration intensity of artificial mongolian pine forest in sandy area of Zhanggutai, this paper discussed the variation patterns of evnpotranspiration intensity and their relationship with environmental conditions, and calculated the water amount consumed by evapotranspiration in artificial forest. It was considered that the main factor of water deficit in sandy soil planted with pine was evapotranspiration.

ENERGY TRANSFERRING STATUS OF CROPPING SYSTEMS IN TAIHU DISTRICT OF JIANGSU PROVINCE

Agro-ecological cooperative group of Taihu district, Jiangsu Province

1984, (6):  19-22. 

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24 field plots including 9 rice-based cropping systems from Taihu alluvial plain were selected and investigated for the grain yield, biomass output, and the input of energy, fertilizer and labour. Then, the utilization rate of solareradiation and the conversion of input energy to output bioeuergy in various cropping systems were compared and evaluated. The energy transferring in pig production with different feeds was conducted as well.

A PRELIMINARY STUDY ON THE ECOLOGIC DISTRIBUTION OF MICROBES AND MAIN HARMFUL MICROBES IN RECIRCULATING COOLING WATER SYSTEMS OF LUZHOU NATURAL GAS CHEMICAL PLANT

Xue Tangrong, Chen Zhaorong, Lu Shihang, Wu Yanyong, Yuan Yuju, Wang Fengqin, Chen Zhaoqun, Hao Min

1984, (6):  23-26. 

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In wooden cooling tower, the fungi isolated belong to 9 genera: Aspergillus, Penicillium, Trichoderma, Mucor, Cladosporium, Fusarium, Alternaria, Neurospora and Curvularia. And in recirculating cooling water, the heterotropic bacteria belong to Pseudomonas, Micrococcus, Staphylococcus. Bacillus, Sarcina, Xanthomonas and Aerobacter. Among them, Pseudomonas, Xanthomonas and Bacillus are major populations. The ecological distribution of S-reducing bacteria and their errosion effect on metal are also investigated.

METHODOLOGICAL BASIS OF AGRO-ECOLOMICS

Deng Honghai

1984, (6):  27-30. 

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This paper explores the methodology of the systematization of knowledge about agro-ecolomics, and proposes the method system and the study program of the systematization of the study process of agro-ecolomics.

THE PROTECTION OF WITHERED GRASS AND LITTER——AN ECOLOGIC PROBLEM WORTH TO BE ATTACHED GREAT IMPORTANCE

Chen Changdu

1984, (6):  31-32. 

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An ecologic problem worth to be attached great importance——to protect the withered grass and litter in urban and rural areas is pat forward by the author. The author considers that good soil is the state wealth, and humus is the prerequisite of good soil. Therefore, to protect withered grass and litter, the source of humus, is as important as to protect soil.

THE ROLE OF POPULATION ECOLOGY IN ECONOMICS

Han Cunzhi

1984, (6):  33-36,57. 

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In this paper, the importance of population ecology in economics is discussed: 1. It is the basis of ecosystem research. 2. It plays an important role in the conservation and utilization of biotic resources. 3. It is the theoretical basis of controlling pest organisms. 4. It has a direct part in the conservation of endangered species of wild fauna and flora.

THE SPECIES, HABITS AND RESOURCE CONSERVATION OF SEA TURTLES

Huang Zhujian, Mao Yannian

1984, (6):  37-40. 

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The first part of this article gives a brief introduction about the species and the distribution of sea turtles. The second part gives a brief introduction about their living habits, including mating, laying eggs, hatching and growth of young sea turtles. The third part introduces some measures for protecting sea turtles and indicates the serious damage to the sea turtle resources and the effective measures worked out and conducted by some countries.

CHANGES OF ECOLOGIC ENVIRONMENT IN THE Shanglin GARDEN

Li Jianchao

1984, (6):  41-43,50. 

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Based on the ancient literatures, this paper analysed the historical conditions of the earliest and biggest garden of our country, the shanglin Garden in west Han Dynastry, The author proved that the dominant factor inducing the extinction of many rare animal and plant species in this Garden was the human activity which destroyed the forest of Qinlin Mountain and induced the ecologic imbalance of the Shanglin Garden.