To improve forecasting and sustained control level of underground pests, trapping quantity of underground pests （black cutworm,mole cricket and scar-ab） by lamps and their field dynamics in Hangzhou district from 20...To improve forecasting and sustained control level of underground pests, trapping quantity of underground pests （black cutworm,mole cricket and scar-ab） by lamps and their field dynamics in Hangzhou district from 2005 to 2011 were investigated in the paper. The results showed that different pests had obvious differences in population dynamic. The black cutworm （Agrotis ypsilon） had several damage peaks （late May, late June and late July） and the moth amount in early period was relatively high. The mole cricket （ Gryllotalpa africana） had two damage peaks （late May to early July, early September to mid and late October）. The scarab （Anomala corpulenta） had one damage peak （late May to late June）. There were periodic changes in total quantity of underground pests among years, and the peak period appeared in the year of 2005, 2007 to 2009 and 2011, respectively. On this basis, temperature, humidity, rainfall and light were used as forecas- ting factors, using the method of stepwise regression, 19 factors with significant correlation were screened out and prediction models for occurrence quantity and oc- currence period of the three pests were established. By using accuracy degree judge model for verification, the score values of prediction model for occurrence quan-tity and occurrence period of the three underground pests were more than 58 and 70, which indicated that the historical coincident rate and prediction accuracy of estabhshed prediction models were good.展开更多
1. Recent development in the study on producer serviceThe producer service refers to the service provided for production and business activities, instead of for individual consumers. As the mid-term input service,
How to realise the goal of city revival through the preservation of historic districts is an important issue for all historic cities.This article introduces the Preservation and Renovation Project of Zhongshan Road in...How to realise the goal of city revival through the preservation of historic districts is an important issue for all historic cities.This article introduces the Preservation and Renovation Project of Zhongshan Road in Hangzhou regarding its guiding principles,design concepts,and the entire construction process.In this project,the existing historical buildings along Zhongshan Road were preserved by keeping the remains of different historical periods and various lifestyles of the inhabitants.Rather than merely refurbishing the street front only,we reconstructed the Southern Song Dynasty city-block walls along Zhongshan Road and restored the Fangxiang city fabric to create the streetscape of the former Imperial Avenue.Afforested terraced teahouses were built along the road,and the original water system was restored so as to realise the atmosphere of‘watertown’.New buildings were added by adopting local materials and vernacular building forms.The article summarises two strategies for the preservation of a historic district in a large city.One is the comprehensive project planning by research and investigation.The other is the overall design guideline for the street blocks.It also reflects on the disappointing aspects that mainly resulted from time limitations and the poor taste in the refurbishment of shop houses.展开更多
基金Supported by Science and Technology Project of Hangzhou City (20110232B17)
文摘To improve forecasting and sustained control level of underground pests, trapping quantity of underground pests （black cutworm,mole cricket and scar-ab） by lamps and their field dynamics in Hangzhou district from 2005 to 2011 were investigated in the paper. The results showed that different pests had obvious differences in population dynamic. The black cutworm （Agrotis ypsilon） had several damage peaks （late May, late June and late July） and the moth amount in early period was relatively high. The mole cricket （ Gryllotalpa africana） had two damage peaks （late May to early July, early September to mid and late October）. The scarab （Anomala corpulenta） had one damage peak （late May to late June）. There were periodic changes in total quantity of underground pests among years, and the peak period appeared in the year of 2005, 2007 to 2009 and 2011, respectively. On this basis, temperature, humidity, rainfall and light were used as forecas- ting factors, using the method of stepwise regression, 19 factors with significant correlation were screened out and prediction models for occurrence quantity and oc- currence period of the three pests were established. By using accuracy degree judge model for verification, the score values of prediction model for occurrence quan-tity and occurrence period of the three underground pests were more than 58 and 70, which indicated that the historical coincident rate and prediction accuracy of estabhshed prediction models were good.
文摘1. Recent development in the study on producer serviceThe producer service refers to the service provided for production and business activities, instead of for individual consumers. As the mid-term input service,
文摘How to realise the goal of city revival through the preservation of historic districts is an important issue for all historic cities.This article introduces the Preservation and Renovation Project of Zhongshan Road in Hangzhou regarding its guiding principles,design concepts,and the entire construction process.In this project,the existing historical buildings along Zhongshan Road were preserved by keeping the remains of different historical periods and various lifestyles of the inhabitants.Rather than merely refurbishing the street front only,we reconstructed the Southern Song Dynasty city-block walls along Zhongshan Road and restored the Fangxiang city fabric to create the streetscape of the former Imperial Avenue.Afforested terraced teahouses were built along the road,and the original water system was restored so as to realise the atmosphere of‘watertown’.New buildings were added by adopting local materials and vernacular building forms.The article summarises two strategies for the preservation of a historic district in a large city.One is the comprehensive project planning by research and investigation.The other is the overall design guideline for the street blocks.It also reflects on the disappointing aspects that mainly resulted from time limitations and the poor taste in the refurbishment of shop houses.
