2001 Vol. 18, No. 3
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2001, 18(3): 219-222.
Abstract:
Chinese fir planted forest is the main part of timber forest resource in Zhejiang Province, China .By the model statistical analysis method, the authors researched and decided the growth model, then calculated the quantitative maturity age, and decid...
Chinese fir planted forest is the main part of timber forest resource in Zhejiang Province, China .By the model statistical analysis method, the authors researched and decided the growth model, then calculated the quantitative maturity age, and decid...
2001, 18(3): 223-227.
Abstract:
Collective forest is the main component of forest resources in China. Forest management survey is a very important technologic way in increasing the management level. By investigating and practicing, the authors discovered the problems in forest mana...
Collective forest is the main component of forest resources in China. Forest management survey is a very important technologic way in increasing the management level. By investigating and practicing, the authors discovered the problems in forest mana...
2001, 18(3): 228-232.
Abstract:
One-way volume table used in large scale continuous forest inventory is unsuitable for forest inventory of county-class in this region. To counter this problem, the cluster analysis method is offered. The procedure of cluster is as following: the clu...
One-way volume table used in large scale continuous forest inventory is unsuitable for forest inventory of county-class in this region. To counter this problem, the cluster analysis method is offered. The procedure of cluster is as following: the clu...
2001, 18(3): 233-237.
Abstract:
The problem of sustainable development of forests is discussed by the method of motion design, and the model of the natural development of forests and optimal developing model of the sustainable development of forests are established. The models sele...
The problem of sustainable development of forests is discussed by the method of motion design, and the model of the natural development of forests and optimal developing model of the sustainable development of forests are established. The models sele...
2001, 18(3): 238-244.
Abstract:
Sustainable development reflects the internal need required by socio-econimic development and social progress, and is a leap-forward in human cognition about development. Owing to its essential role in global environment protection, forestry sustaina...
Sustainable development reflects the internal need required by socio-econimic development and social progress, and is a leap-forward in human cognition about development. Owing to its essential role in global environment protection, forestry sustaina...
2001, 18(3): 245-251.
Abstract:
The dominant population structure and dynamic state of the deciduous broad-leaved forest in the Tiantai Mountains of Zhejiang were analyzed by adopting the method of spacial series substituting for time series. The results are as follows: The age-cla...
The dominant population structure and dynamic state of the deciduous broad-leaved forest in the Tiantai Mountains of Zhejiang were analyzed by adopting the method of spacial series substituting for time series. The results are as follows: The age-cla...
2001, 18(3): 252-256.
Abstract:
The effect of the different scale of artificial disturbance (ck, the original forest; A, the regeneration of selection cutting; B, the natural regeneration; C, the natural regeneration promoted by artificial measure and class; D, Chinese fir) on the ...
The effect of the different scale of artificial disturbance (ck, the original forest; A, the regeneration of selection cutting; B, the natural regeneration; C, the natural regeneration promoted by artificial measure and class; D, Chinese fir) on the ...
2001, 18(3): 257-261.
Abstract:
The genetic test of 217 super clones of Chinese fir in Fujian Province in four years were analyzed in this paper. The geneticparameters of growth related traits were also estimated. The results showed that the difference of main growth related traits...
The genetic test of 217 super clones of Chinese fir in Fujian Province in four years were analyzed in this paper. The geneticparameters of growth related traits were also estimated. The results showed that the difference of main growth related traits...
2001, 18(3): 262-266.
Abstract:
Urban landscaping is a chief means to protect and improve urban ecological environment.. To get the highest ecological efficiency, the important function of the broad-leaved evergreen trees in urban greenery is clarified in accordance with the relate...
Urban landscaping is a chief means to protect and improve urban ecological environment.. To get the highest ecological efficiency, the important function of the broad-leaved evergreen trees in urban greenery is clarified in accordance with the relate...
2001, 18(3): 267-270.
Abstract:
The cultural techniques of Patrinia villosa under different planting densities, different fertilizing measurements and management in productive period were studied in 1998 to 2000. The results showed that plastic green house was beneficial to the gro...
The cultural techniques of Patrinia villosa under different planting densities, different fertilizing measurements and management in productive period were studied in 1998 to 2000. The results showed that plastic green house was beneficial to the gro...
2001, 18(3): 271-273.
Abstract:
An analysis was conducted on the components of proteins in shoots of 19 cultivars and 2 affinis species of Phyllostachys praecox. The results indicate that these bamboo shoots have the same kinds of amino acids, but different content. As far as the t...
An analysis was conducted on the components of proteins in shoots of 19 cultivars and 2 affinis species of Phyllostachys praecox. The results indicate that these bamboo shoots have the same kinds of amino acids, but different content. As far as the t...
2001, 18(3): 274-277.
Abstract:
The experiments showed that Camptotheca acuminata is fine in veneer peeling, veneer drying and gluing characteristics, has no special requirements for adhesives and processing technology, and is a good timber supplier for plywood. The proper technolo...
The experiments showed that Camptotheca acuminata is fine in veneer peeling, veneer drying and gluing characteristics, has no special requirements for adhesives and processing technology, and is a good timber supplier for plywood. The proper technolo...
2001, 18(3): 278-280.
Abstract:
Under pressure treatment conditions the liquid penetrability in fast-growing Chinese fir and factors affecting on it were studied. Through a series of quantitative and qualitative analysis, the result showed that exterior pressure and pressing time h...
Under pressure treatment conditions the liquid penetrability in fast-growing Chinese fir and factors affecting on it were studied. Through a series of quantitative and qualitative analysis, the result showed that exterior pressure and pressing time h...
2001, 18(3): 281-285.
Abstract:
DNA of Metarrhizium anisopliae isolates was analyzed by RAPD. Twenty-seven primers screened and optimized out of 160 primers were applied to the proliferation of PCR. Three-hundred-four loci have been proliferated in 4 strains of M .anisopliae, 299 l...
DNA of Metarrhizium anisopliae isolates was analyzed by RAPD. Twenty-seven primers screened and optimized out of 160 primers were applied to the proliferation of PCR. Three-hundred-four loci have been proliferated in 4 strains of M .anisopliae, 299 l...
2001, 18(3): 286-289.
Abstract:
In recent years, pure forests of exotic pines were seriously harmed by resinosis in some areas of Zhejiang. Using the method of plot observation, separation culture, light-microscope examination, electricmicroscope, observation, measurement of trace ...
In recent years, pure forests of exotic pines were seriously harmed by resinosis in some areas of Zhejiang. Using the method of plot observation, separation culture, light-microscope examination, electricmicroscope, observation, measurement of trace ...
2001, 18(3): 290-293.
Abstract:
Intermediate cutting enhances the conversion function of Pinus yunnanensis stands and defense ability of that against Tomicus piniperda. Different levels of intermediate cutting intensities for the stands have different sustainable control effects of...
Intermediate cutting enhances the conversion function of Pinus yunnanensis stands and defense ability of that against Tomicus piniperda. Different levels of intermediate cutting intensities for the stands have different sustainable control effects of...
2001, 18(3): 297-300.
Abstract:
The present paper deals with three new species of Mecoptera collected from Yunnan, China. All the type specimens are kept in the Zhejiang Museum of Natural History. ①Panorpa triclada sp. nov belongs to the diceras group, and it differs from P .kimmin...
The present paper deals with three new species of Mecoptera collected from Yunnan, China. All the type specimens are kept in the Zhejiang Museum of Natural History. ①Panorpa triclada sp. nov belongs to the diceras group, and it differs from P .kimmin...
2001, 18(3): 301-304.
Abstract:
General knowledge of topographic map is briefly introduced. Assignation of sample strip, calculation of surveying indexes such as area of sample strip,length of sample line, coordinate of the original and final site of sample line and the elevation a...
General knowledge of topographic map is briefly introduced. Assignation of sample strip, calculation of surveying indexes such as area of sample strip,length of sample line, coordinate of the original and final site of sample line and the elevation a...
2001, 18(3): 305-309.
Abstract:
Studies were carried out on application of more than 10 kinds of herbicides such as Gaol, Acetochlor, Butylochlor, Paraguat and Sulfometuron methyl in nursery garden, lawn and forest land. chemical herbicides should be rationally selected and applied...
Studies were carried out on application of more than 10 kinds of herbicides such as Gaol, Acetochlor, Butylochlor, Paraguat and Sulfometuron methyl in nursery garden, lawn and forest land. chemical herbicides should be rationally selected and applied...
2001, 18(3): 310-314.
Abstract:
The traditional viewpoint is that the immense forest externality should be eliminated by government action. While this viewpoint ignore the cost and capacity of government action. Based on analysis of the background, conditions and benefits of the ec...
The traditional viewpoint is that the immense forest externality should be eliminated by government action. While this viewpoint ignore the cost and capacity of government action. Based on analysis of the background, conditions and benefits of the ec...
2001, 18(3): 315-318.
Abstract:
Nowadays, it is very important that we carry out the protecting forests plan in China. In this paper, the authors describe a designed plan. First, the authors combine advanced computer technology with communication and the authors choose B/S mode bas...
Nowadays, it is very important that we carry out the protecting forests plan in China. In this paper, the authors describe a designed plan. First, the authors combine advanced computer technology with communication and the authors choose B/S mode bas...
2001, 18(3): 319-321.
Abstract:
A study was carried out to improve and help to establish the English translation ability of college students in agricultural and forestry colleges in China. The results showed that the students' ability of English translation could be greatly improve...
A study was carried out to improve and help to establish the English translation ability of college students in agricultural and forestry colleges in China. The results showed that the students' ability of English translation could be greatly improve...
2001, 18(3): 294-296.
Abstract:
Takecallis taiwanus damages on tender leaves and bamboo shoots of Phyllostachys praecox, Ph . prominens, Ph .propinqua, Saso longiligulata, etc. It has 50 generations a year in urban Lin,an of Zhejiang Province, without overwintering. Nymphal aphides...
Takecallis taiwanus damages on tender leaves and bamboo shoots of Phyllostachys praecox, Ph . prominens, Ph .propinqua, Saso longiligulata, etc. It has 50 generations a year in urban Lin,an of Zhejiang Province, without overwintering. Nymphal aphides...
