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Landscape Pattern Characteristics of Plant Species Diversity in Campus Courtyards from the Perspective of Functional Differentiation
摘要: This study focuses on the three courtyards located in the eastern, central, and western sections of the Tongzhou Campus of Renmin University of China. Adopting a functional differentiation perspective, the research systematically analyzes the patterns of plant diversity within courtyards characterized by distinct functional orientations. This analysis employs various plant species diversity indices, including the Patrick richness index, Simpson dominance index, Shannon-Wiener diversity index, and Pielou evenness index, alongside a classification of functional plant types, namely ornamental, ecological regulation, spatial shaping, and recreational assistance. The results indicate that the east courtyard presents the highest Patrick species richness (S=42), predominantly comprising spatial shaping and recreational assistance plants, which are well-suited for recreational and passage functions. Conversely, the central courtyard exhibits the lowest Patrick species richness (S=19), characterized by a balanced distribution of functional types, with an emphasis on public display and traffic guidance. The west courtyard demonstrates the greatest stability in the tree layer (D=0.87), featuring a combination of shade-tolerant and ornamental plants that fulfill the requirements for a tranquil and naturalistic environment. One-way analysis of variance reveals that only Patrick species richness differs significantly among the courtyards (P=0.007), whereas the diversity index does not show a significant difference. This finding suggests that functional requirements precisely regulate diversity through microhabitat heterogeneity and plant configuration strategies. This study offers both a theoretical foundation and practical guidance for the plant configuration and functional optimization of small-scale courtyards on campus.
关键词: Campus courtyard, Plant species diversity, Functional differentiation, Tongzhou Campus of Renmin University of China
Evaluation of Road Landscapes in Tibet Cultural Tourism and Creative Park Based on POE and AHP
摘要: The internal road landscapes of Tibet Cultural Tourism and Creative Park at an altitude of 3,650 m were taken as the research object, and focusing on the restrictive effect of the high-altitude extreme environment on the road landscapes, data were collected through data crawling and survey questionnaires. Post occupancy evaluation (POE) was used to establish an evaluation system containing five dimensions and 24 indicators (including five high-altitude specific indicators), and statistical analysis was conducted by using multiple methods such as the analytic hierarchy process (AHP), SD semantic difference method, and IPA image analysis method. The results show that the respondents are generally satisfied with the overall evaluation of road landscapes in Tibet Cultural Tourism and Creative Park. However, the performance of high-altitude associated indicators is worrying. That is, anti-glare safety requirements are not met, and the survival rate of plateau plants is lower than the requirements of landscape effect; the integration of cultural landscapes fails to reflect regional culture. Based on this, high-altitude adaptive design strategies of three-dimensional synergy of "culture, ecology and security" were proposed to provide a certain paradigm reference for the evaluation and design of road landscapes in high-altitude areas.
关键词: High altitude, Road landscape, Landscape assessment, POE, AHP
Research on Community Habitat Improvement Design Based on Green-Healthy City Concept
摘要: With the rapid development of urbanization, urban environmental degradation has significantly impacted the ecological environment quality of urban residents. This study, taking 10 communities in Hefei as samples, integrates bibliometric analysis (Citespace), vegetation quadrat surveys, and resident satisfaction questionnaires to quantify the implementation pathways of biodiversity, low-carbon society, and therapeutic landscapes in community habitat design. Key findings reveal that the high-carbon-sequestration plant combination of Liriope spicata and Pittosporum tobira can mitigate urban heat island effects, while the aromatic plant assemblage of Cinnamomum camphorum and Osmanthus fragrans demonstrates notable stress-reduction benefits. Monoculture planting, however, leads to reduced pollinator populations. Based on these outcomes, a “4-3-2” design framework is proposed, which stands for 4 ecological indicators (greening rate ≥ 40%, native plants ≥ 60%, non-motorized transport coverage rate 100%, and therapeutic facilities ≥ 2), 3 types of spatial strategies (ecological network infiltration, low-carbon travel strategy, and therapeutic landscape creation), and 2 major participation mechanisms (resident environmental council and plant-adoption incentive program). This study provides a quantifiable and operational framework for urban community habitat improvement.
关键词: Green-healthy city, Resident participation, Community habitat, Ecological design, Hefei
Impact of Earthquakes on Giant Panda (Ailuropoda melanoleuca) Activities in the Qionglai Mountains
摘要: As an endemic and critically-endangered wildlife species in China, the giant panda (Ailuropoda melanoleuca) has attracted widespread attention from all sectors of society regarding its survival status. In this study, the impact of earthquake-dameged areas on the distribution and activities of giant pandas in the Qionglai Mountains was analyzed by comparing data from two giant panda surveys conducted in the Qionglai Mountains of Sichuan Province and combining with remote sensing (RS) data from relevant regions. The results indicated that there was only a small area of overlap between the earthquake-damaged areas and giant panda activity trace points. The main earthquake-damaged areas were distributed at elevations (3 500-4 100 m) higher than the primary elevation range of giant panda distribution (1 700-3 100 m). In the Wolong Nature Reserve, no major earthquake damage was observed in the central section east of Provincial Highway 303 with relatively more giant panda activities. Within the Caopo Nature Reserve, the earthquake-damaged areas were mostly concentrated in the northeastern corner and along the border with the Wolong Nature Reserve. However, no large-scale giant panda activity traces were detected in these areas during either of the two surveys. Overall, the range of giant panda activities showed no signs of decline. Therefore, the impact of earthquakes on giant panda activities remains limited.
关键词: Earthquake; Qionglai Mountains; Giant panda activity; Impact
Public Service Satisfaction of Huilongguan Sports and Cultural Park Based on the Importance-Performance Analysis (IPA) Method
摘要: With Beijing Huilongguan Sports and Cultural Park as the research object, this study was conducted to investigate public service satisfaction in the park by the Importance-Performance Analysis (IPA) method. A questionnaire covering six dimensions, including public transportation, sanitation and environment, and supporting facility construction, was designed. A total of 208 valid samples were collected, and SPSS was employed for reliability and validity tests as well as IPA analysis. The findings were as follows: ① Visitors were generally quite satisfied with the overall public services in Huilongguan Sports and Cultural Park. ② The highest satisfaction levels were observed in sanitation and environment services and the sports and cultural atmosphere, while lower satisfaction was noted for supporting facility construction and public information services. ③ The advantage enhancement zone includes sanitation and  environment services and sports and cultural atmosphere; and the continuous maintenance zone includes public transportation services and security management amd maintenance; the  subsequent opportunity zone includes supporting facility construction and public information  services; and there are no dimensions in the urgent improvement zone. The study recommends strengthening the service connotations from three aspects: enhancing facilities with sports as the core, optimizing services with a people-centered approach, and upgrading the information platform through technological efficiency. Additionally, a multi-stakeholder collaborative mechanism involving the government in coordinating policy resources, the operator in improving implementation efficiency, and the public participating in supervision and evaluation is proposed to drive the enhancement of public service quality at Huilongguan Sports and Cultural Park.
关键词: Importance-Performance Analysis (IPA) method, Sports park, Public service,Satisfaction