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Comprehensive evaluation of landscape value ofornamental cerasus in Nanjing by AHP |
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DOI:10.16768/j.issn.1004-874X.2016.12.028 |
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Abstract: |
Germplasm resources were selected and evaluated by experimental measurement,questionnaire
survey and the method of AHP(analytic hierarchy process) with 18 evaluating indicators from 4 aspects( ecological
value,ornamental value,social and cultural values and economic value),to provide scientific theoretical basis for
ornamental Cerasus application and conservation in urban green space of Nanjing,with deterioration of the modern
city environment. The weight orders of criterion level were ecological value>ornamental value >economic value>social
and cultural values. The sort orders on factor weights for the index level were carbon sequestration>oxygen release>r
eproduction>cooling>amount of flowers> corolla>adaptability>cultural connotation>humidification>florescence>WU
E>scientific value>fragrance> medicinal health value>seasonal change=morphology>application types>educational
value. The results of comprehensive landscape value evaluation system showed that there were four high values(≥
3.9)of resources with 18%;there were 11 relatively high resources with 50%;there were seven general valued (≤ 3.1)of resources with values(3.1-3.9)of 32%. Among all the resources,C. serrulata var. lannesiana‘Alborosea’,
C. yedoensis( Matsum.) Yu et Li,C.×kanzakura cv. Tairyo-zakura,C. subhirtella‘Pendula’,C. serrulata
var. lannesiana‘Sekiyama’,C. glandulosa,C. serrulata var. lannesiana‘Hongye’and C. subhirtella‘ Plena
Rosea’had higher comprehensive value,could be widely applied in the modern environment of garden green space
in Nanjing. |
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