Page 5 - 《水资源与水工程学报》2024年第6期
P. 5

!35 "!6 #                         & ' ( ) & * + , -                               Vol.35No.6
               2024 $ 12 %              JournalofWaterResources&WaterEngineering                 Dec.,2024

            DOI:10.11705/j.issn.1672-643X.2024.06.01


                 12345267899:;<=>?@ABC



                            !"#, $%&, ' (, )*+·,-./0, 123, 4 5
                                  ( [\3K 4]^_`abcd!#$efg, +, [\ 430072)
               D E: hijkGlCmnopGqrstu#Xvw。xyz, {h|}~€hij‚ƒ5„…†‡ˆ,
               ‰CŠ‹ŒŽ#, „‘khij’CC‹“”•–—˜™X。š{h3›œ†ž}, Ÿ {h|}~ 44 ¡
               hij†€¢]£, Y¤¥、 ¦§ 2 ¡D¨©ª 8 ¡«¬, ­®hij’CC‹“”•–¯°, 5w±²³´µ¶s·
               „¸´#, ¹º»jF¼, ½¾¿’CC‹“”ÀÁ。ÂÃÄÅ: ¤¥ÆÇ·„¸#XÇÈÉF4’ÊËÌÍκ€、
               ’CÏmÐÑÒÇ、 ÏÓÔÕc、 ’CImÐÑÒÇ, ¦§ÆÇ·„¸#XÇÈÉF¨Ö×ØÙ、 ڜ_`Û4
               Ç、 4Ü、 ڜ_`rsÇ, ¦§ÆÇkC‹†‡ˆÝ3;27%†hijC‹ÀÁFÞߓ”,62%F“”àá,11%F
               ⓔàá, ãäåæ4çèéêë, C‹“”«€ì`í{îïêÅð;8 ¡«¬|, ¨Ö×ØÙ、 ڜ_`Û4Ç 2
               ¡«¬C‹ÀÁñò; º»j’CC‹ó˜F 72.82 ˜, ô “”Àõ。
               FGH: hij; ’CC‹; C‹•–; «¬¯°; ±²³´µ; {h|}~
               3IJKL:TV213.4   MNOPQ:A    MRSL:1672643X(2024)06000109

                  Healthevaluationmethodforterrestrialhabitatsanditsapplicationto
                          midchannelbarsinthemiddleandlowerYangtzeRiver

                     MAJiayi,LIZhiwei,CHENChen,HaDiqiaAbulimiti,TANRuyun,ZHANGPeng
                   (StateKeyLaboratoryofWaterResourcesEngineeringandManagement,WuhanUniversity,Wuhan430072,China)
               Abstract:Midchannelbarsplayanimportantroleinnaturalhabitatconservationandriverchannelstabili
               ty.Recently ,theecologicalstatusofmidchannelbarsinthemiddleandlowerreachesoftheYangtzeRiver
               areafflictedbymultipleadversefactors ,whichhaveseriouslydamagedthenaturalhabitats.Therefore,itis
               necessarytoevaluatethehabitatqualityofmidchannelbars.InresponsetothepolicyofYangtzeRiver
               Conservation,eightindicesfrombothnaturalandsocialattributeswereselectedtoconstructanevaluation
               indexsystemforterrestrialhabitathealthofmidchannelbarsbasedonthedataof44midchannelbarsin
               themiddleandlowerreachesoftheYangtzeRiver.Theweightofeachindexwasassignedbythecombined
               weightingmethodofanalytichierarchyprocessandentropymethod.Then ,thehealthstatusoftheterrestrial
               habitatofTianxingIslandwasanalyzedasthecasestudy.Theresultsshowthattheimportanceofnaturalat
               tributefactorsisrankedasfollows:daysofexposureinthewaterlandecotone,diversityofterrestrialplant
               species,vegetationcoverage,anddiversityofterrestrialanimalspecies.Whereasthatofsocialattributefac
               torsisinthefollowingorder :areachangerate,permeabilityofprotectionworks,waterquality,andstabili
               tyofprotectionworks.Itisfoundthatthesocialattributeshaveagreaterimpactonhabitatsthanthenatural
               attributes.Amongthebars ,27% areinaveryhealthystate,62% areinahealthystate,andtherest11%
               areinasubhealthystate.Moreover,asthedistancefromtheThreeGorgesDamincreases,thereisaclear
               trendofincreasinghabitathealthindexalongthecourse.Amongtheeightindices,theareachangerateand
               permeabilityofprotectionworksexhibittheworsthabitatconditions.Theoverallscorefortheterrestrialhab
               itatoftheTianxingIslandis72.81 ,indicatingagenerallyhealthystate.

                !"#$:20240510; %&#$:20240714
                '()*: !"#$%&'()*(2023YFC3209502); +,-./01#$%&'()*(2023BCB110);+2-#3
                        456.)*(XSKJ201908103)
                +,-.: 789(2001—), :, ;<=>?, @A%BC, %BDEFGHIJK。
                /0+,: LMN(1984—), O, +,PQ?, RA, ST, RACUV, WXYZGHIJK%B。
   1   2   3   4   5   6   7   8   9   10