Introduction

Today, a new literature under the title of biophilic planning and design has become popular among urban planners. In this type of planning, the belief in the use and preservation of nature and the natural elements of the diversity of plant and animal species together at the scale of the region, city, neighborhood and The building is the biophysical design at a glance recognizing the innate human need to communicate with nature along with the sustainability of global design strategies to create environments that can really increase the quality of the environment and an innovative approach that emphasizes the importance of maintaining and improving the quality. The environment emphasizes (biophysical urban design as a creative process, plans the future projects of physical structural engineering of the city of Herat, in fact, sometimes creating an urban design project requires an optimistic view that regards the urban environment and the future The current situation is better to imagine, biophilic urban planning is not just a trend and planning, but a philosophy of urban planning theories based on biological theory, which supports psychological and health research data in the city in addition to urban aesthetics. In this way, urban planning and urban planning are creatively combined No, urban design is green.
 

Methodology

The method of collecting information in this research is library and field, and the required information was obtained by using a survey and using a questionnaire. The statistical population of the present study consists of the residents of the historical context of Ardabil city, which was selected using Cochran's formula, and the questionnaires were randomly distributed and completed in the neighborhoods. The validity of the research questionnaires was confirmed by the urban planning professors, and Cronbach's alpha method was used to measure the reliability of the questionnaires. SPSS software and parametric statistical tests were used for data analysis.

Results

The regression coefficient of improving the quality of the urban environment is equal to 0.696. Therefore, according to the respondents, 54.9% of the dispersion of indicators for improving the quality of the urban environment in Shiraz is influenced by bioflake components. In addition to this, the results of the analysis of variance related to the main indicators in the regression statistics in the table below also indicate the significance of the total of the investigated indicators. In this research, the significance level is equal to Sig=0.001 and less than 0.5. It should be added that the regression model used in this research is significant and the relationships between the variables examined in the research are confirmed. In order to determine the role and position of each of the biophilic indicators on improving the quality of the urban environment, the following table is set based on the previous variables. The results of the regression coefficients show the intensity of the influence of each biophilic component on improving the quality of the urban environment of Shiraz. Meanwhile, the index of biophilic infrastructure and conditions with a beta value of 0.623 is the strongest predictor and effective in improving the quality of the urban environment. Sub-indexes such as proximity to parks and green spaces, shapes and images used in architecture and the visual beauty of urban walls and facades, as well as the presence of water in many urban spaces of Shiraz as the most effective sub-indexes of the main index below The structures and conditions are biophilic. That is, it is expected that the relationships between the variables will be confirmed.
 

Discussion

In order to investigate the relationship between the fixed and independent variables of the research, multivariate regression analysis has been used. The results of the regression equation between the quality indicators of the urban environment of Shiraz city and the biophilic influencing indicators show the following relationship. The above equation shows that for an increase of one unit in the total biophilic index (A) by 1.35, there will be positive changes in the urban environment quality index, and also by an increase of one unit in the index of biophilic institutions and government by 2. 28% will increase in the improvement of the quality index of the urban environment, and with the increase of one index unit in infrastructures and biophilic conditions, the improvement of the quality of the urban environment will be increased by 25%.
 

Conclusion

The present study was compiled with the aim of investigating the feasibility of urban environment quality with an emphasis on biophilic criteria in the historical context of Ardabil city. The effect of the five biophilic factors on the realization of the quality of the urban environment was investigated on functional, content and governance indicators. As the final equation shows, each unit of increase in each of the biophilic criteria leads to a 17.3% increase in the improvement of the quality of the urban environment of Shiraz. Also, for one-unit increase in the criteria of biophilic institutions and government, the infrastructure and the conditions of biophilic and economic and financial status of biophilic are 27.1%, 22.6%, 17.8% and 15.2% respectively in the quality of the urban environment of the studied area of quality improvement. Therefore, this equation confirms the effect of biophilic indicators in order to improve the quality of the urban environment in the studied area. These results are consistent with the researches of Raso Sirila and colleagues (2017), Kafi Chi and Gogorio (2020), Padre Sen (2018), and Helen Sal's studies (2016). . The results of the regression coefficients show the intensity of the influence of each biophilic component on improving the quality of the urban environment of Shiraz. Meanwhile, the index of infrastructures and biophilic conditions with a beta value of 0.623 is the most powerful and effective predictor of improving the quality of the urban environment. (2019), the studies of Ziari et al. (2018), the studies of Stra P and Lipa (2018) are aligned.