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时间:2020-06-06
《深圳市城市森林林内景观的美景度评价.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、第5O卷第8期林业科学Vo1.50.No.82014年8月SCIENTIASILVAESINICAEAug.,2014doi:10.11707/j.1001—7488.20140806深圳市城市森林林内景观的美景度评价术陈勇孙冰廖绍波罗水兴陈雷蔡刚(中国林业科学研究院热带林业研究所广州510520)摘要:在分析深圳市城市森林现状的基础上,运用美景度评价法对城市人工林和天然次生林的林内景观进行景观评价,分析影响森林景观的主要因子,建立各类森林景观美景度模型,探讨主要构景要素与城市森林景观质量的关系。结果表明:深圳市人工林较天然次生林的林内景观质量高,人工林林内景观美景度平均值为0
2、.092,天然次生林为一0.187。影响人工林和天然次生林林内景观质量的主要因子不同,人工林林内景观主要受林下层高度、层间植物丰富度、林木排列方式、枯树倒木、林下层统一度等9个因子影响,其景观模型是SBE=0.131+0.177x一0.195x8+0.208x9—0.162xl0—0.129xl2—0.00008x17+0.113x2l+0.007x23—0.571x25;次生林林内景观主要受枯落物、郁闭度、通透距离等因子影响,其景观模型是SBE=一2.016+0.157xl+0.215x4十1.753x一0.063x。+0.021x24。关键词:深圳;城市森林;美景度评价;构
3、景要素;林内景观中图分类号:S718.54文献标识码:A文章编号:1001—7488(2014)08—0039—06ScenicBeautyEstimation0fIn.ForestLandscapesinShenzhenUrbanForestsChenYongSunBingLiaoShaoboLuoShuixingChenLeiCaiGang(ResearchInstituteofTropicalForestry,CAFGuangzhou510520)Abstract:Inthisstudy,thescenicbeautyestimation(SBE)methodwasapp
4、liedtoassessthewithin—forestlandscapeoftheplantationandsecondaryforestsbyanalyzingthepresentstatusofurbanforestsinShenzhen.Themajorfactorsinfluencingtheforestlandscapeswereanalyzedandusedtobuildtheforestlandscapemode1.Therelationshipbetweenmainlandscapeelementsandforestlandscapequalitywasals
5、odiscussed.Themainresultsshowedasfollows:Theplantationhadhigherscenicqualityofthewithin—forestlandscapesinShenzhenthanthenaturalsecondaryforest,withSBEvaluesof0.092and一0.187。respectively.TheSBEvalueofAcaciamangiumcommunitieswasthehighest.TheSBEvalueofAdinapilulifera+Psychotriayunnanensis+Aca
6、ciaconfusacommunitieswasthelowest.Themodelforthewithin—forestlandscapeintheplantationwasSBE=0.131+0.177x5一0.195x8+0.208x9—0.162x1o一0.129xl2—0.00008x”+0.113x21+0.007x23—0.57lx25.Bythismodel,themajorlandscapefactorsaffectedthescenicqualityoftheinsideforestlandscapesweredifferentbetweentheplant
7、ationandthenaturalsecondaryforest.Withintheplantation,thedeterminantelementsmainlyincludedunderstoryheight,abundanceofinterstratumplants,arrangementoftrunks,theamountoffallenwoods,uniformityofgroundplants,standage,branchheight,coverageofgroundplant
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