Abstract
Urban land consolidation, which reforms land parcels to remove fragmentation and produce ideal blocks, is an effective means of urban renewal. Successful urban land consolidation benefits city officials as well as the general public, in improved city image, increased land value, and more effective land use. However, urban land consolidation can be ecologically detrimental to the environment, while land consolidation has focused solely on development for human benefit. To remove the negative effects of urban land consolidation on the ecological system, this paper establishes a set of criteria for evaluating ecological impacts of an urban land consolidation plan. The current study first identifies key ecological indicators using a special group decision‐making process called “habitual domain analysis” and then records individual weighting of each indicator by an analytical hierarchy process, thus developing an urban ecological evaluation model with four levels and twenty‐three indicators. Santruka Miestu žemes sujungimas, kurio metu pertvarkomi žemes sklypai, pašalinamas susiskaldymas, pateikiami pavyzdiniai blokai, yra veiksmingos miestu atnaujinimo priemones. Sekmingas miestu žemes sujungimas naudingas miestu vadovams, taip pat plačiajai visuomenei, nes pagerina miesto ivaizdi, padidina žemes verte ir veiksmingesni žemes naudojima. Tačiau miesto žemes sujungimas gali būti ekologiškai kenksmingas aplinkai, nes tai atliekama tik žmoniu naudai. Siekiant pašalinti neigiama miestu žemes sujungimo poveiki ekologinei sistemai, šiame straipsnyje nustatomi tam tikri kriterijai, kuriais vadovaujantis vertinamas ekologinis miestu žemes sujungimo poveikis. Dabartinis tyrimas pirmiausia nustato pagrindinius ekologinius rodiklius, taikant specialu grupes sprendimu priemimo metoda, vadinama iprastos aplinkos analize. Tada, atsižvelgiant i analitini hierarchijos procesa, pagal svarba nurodomi atskiri rodikliai ir sudaromas keturiu lygiu ir dvidešimt triju rodikliu miesto ekologinis ivertinimas.
Highlights
Urban renewal is a land re-development process in areas of moderate to high-density urban land use
By reforming land parcels to remove fragmentation and produce ideal blocks, urban land consolidation is beneficial to both city officials and the general public, in improving city image, increasing land value, and using land more effectively
Our research team develops an ecological evaluation model suitable for current urban land consolidation development in Taiwan, and the model uses Key Ecological Indicators covering important ecological, human welfare and sustainable concerns. This model can be a useful tool for city officials or other project stakeholders when carrying out overall planning of urban renewal projects involving land consolidation
Summary
Urban renewal is a land re-development process in areas of moderate to high-density urban land use. Viewing the outcome of urban land consolidation project as a composite ecological system of human and other habitats including animals and plants, this paper discusses indicators regarding the traditional biological preservation of wild species and human welfares. Our research team develops an ecological evaluation model suitable for current urban land consolidation development in Taiwan, and the model uses Key Ecological Indicators covering important ecological, human welfare and sustainable concerns. This model can be a useful tool for city officials or other project stakeholders when carrying out overall planning of urban renewal projects involving land consolidation
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