Plant Community Landscape Evaluation and Plant Configuration Analysis of Bio-retention Facilities in Buildings and Communities -A Case Study at Sponge City Pilot Area in Tongzhou District, Beijing City
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Plant Community Landscape Evaluation and Plant Configuration Analysis of Bio-retention Facilities in Buildings and Communities -A Case Study at Sponge City Pilot Area in Tongzhou District, Beijing City
Bulletin of Soiland Water ConservationVol. 40, Issue 5, Pages: 125-133(2020)
Han Yuan, Liu Ling, Zhao Li, et al. Plant Community Landscape Evaluation and Plant Configuration Analysis of Bio-retention Facilities in Buildings and Communities -A Case Study at Sponge City Pilot Area in Tongzhou District, Beijing City[J]. Bulletin of Soiland Water Conservation, 2020, 40(5): 125-133.
DOI:
Han Yuan, Liu Ling, Zhao Li, et al. Plant Community Landscape Evaluation and Plant Configuration Analysis of Bio-retention Facilities in Buildings and Communities -A Case Study at Sponge City Pilot Area in Tongzhou District, Beijing City[J]. Bulletin of Soiland Water Conservation, 2020, 40(5): 125-133. DOI: 10.13961/j.cnki.stbctb.20200927.003.
Plant Community Landscape Evaluation and Plant Configuration Analysis of Bio-retention Facilities in Buildings and Communities -A Case Study at Sponge City Pilot Area in Tongzhou District, Beijing City
[Objective] The suitability of the plant community configuration and landscape effect of green low impact development (LID) bio-retention facilities in buildings and residential areas was evaluated to provide a practical reference for the landscape application of bio-retention facility plant communities in Beijing City.[Methods] The bio-retention facilities of the sponge city pilot at Tongzhou District
Beijing City
were examined as the research object based on expert consultation and a field vegetation survey. The analytic hierarchy process was used to propose the factors for the evaluation of the plant landscape in bio-retention facilities
and the system was constructed from three criteria layers and 10 index layers. This model was used to evaluate the plant suitability of 45 samples of 15 biological retention measures.[Results] The biodiversity was a key indicator for the evaluation of plant landscapes in bio-retention facilities. Among the five sponge city pilots
the Simpson diversity of herbaceous plants
and the Shannon-Wiener diversity and Pielou evenness index were the higher for the Bobo pilot
with diversity indexes of 2.09
0.86
and 0.87
respectively. The plant community landscape of the biological retention facilities in Tongzhou sponge city pilot area was at a high level. The plant landscape for five biological retention facilities was grade I
whereas four
five
and one were of grade Ⅱ
Ⅲ and Ⅳ
which accounted for 33.3%
26.7%
33.3% and 6.7% of the evaluation units
respectively. The plants with good evaluation effects and high suitability for practical applications included Hosta plantaginea
Lythrum salicaria
Hylotelephium erythrostictum
and Pennisetum alopecuroides. The plants with a high frequency in a seasonal landscape included Iris tectorum
Hylotelephium erythrostictum
and Symphyotrichum novi-belgii.[Conclusion] In the plant community configuration
it is necessary to pay attention to matching the LID facilities and plant configuration functions
and the development and utilization of native plants to construct the plant community. The plant hierarchy and plant morphology
and ways to increase the diversity of the plant landscape in different seasons
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