| The cultural landscape heritage,it is a new understanding method on heritage protection.As the product of the interaction between human and nature,it is emphasized on the whole,dynamic and comprehensive for historical landscape objects.Both the destruction of heritage towns and the disappearance of context,it is an important direction that heritage protection is dynamic on the sustainable development of between the cultural landscape and county.Cultural Landscape of Honghe Hani Terrace,it is a product of the interaction between man and nature.In this paper,study on the nominated property of cultural landscape heritage and Yuanyang County based on the theory of overall conservation of world heritage.First of all,during the period 2002-2017,it is disclosed the correlation and regularity of land use structure and spatial pattern between Yuanyang County and nominated property through RS and GIS methods.Second,it is identified land use levels around the heritage nominated property.Finally,According to landscape ecology theory,identifying land use optimization areas and proposing land use recovery plans in Yuanyang County.The main results of this paper are as follows:(1)It is remarkable that the spatial pattern of land use structure and spatial pattern changes in Yuanyang County.The types of land use were mainly woodland,paddy fields,dry land and gardens,In addition,the area of gardens,forest lands,and construction land has gradually increased,dry land,paddy fields,and unused land has gradually decreased.It is not obvious that the area of water and grassland changes;The overall land use dynamics during 2010-2017 was higher than during 2002-2010,and the rate of change of construction land was the fastest in all type;The types of landscapes in Yuanyang County were rich and varied,and the fragmentation of the landscape was gradually increasing,the connectivity was reducing,and the garden was more fragmenting.(2)Under the protection of World Heritage,the human interference degree of0km-3km buffer zone is lower than that of 3km-6km and 6km-9km.The area of construction land and agricultural land was small,and the proportion of unused land was large in the vicinity of the heritage area.However,the forest land,water area andgrassland area are the smallest in the 3km-6km area.(3)It is remarkable that the spatial pattern of land use structure and spatial pattern changes in the nominated property of the heritage.The types of land use were mainly woodland,paddy fields,dry land and gardens,In addition,the area of gardens,forest lands,construction land and water areas was gradually increasing.The areas of paddy fields,dry land,grassland and unused land was gradually decreasing.The overall land use dynamics during 2010-2017 was less than during 2002-2010,and the rate of change of construction land was the fastest in all types;The types of landscapes Landscape was complicated and diverse in the nominated property,and fragmentation was gradually increasing,connectivity was gradually reducing.The garden was the most fragmented compared with other types.(4)The changing trend of the quantity and spatial pattern of land use structure was consistent in Yuanyang County and nominated property.The changes of land use in Yuanyang County have a certain impact on heritage protection.In particular,the increase in construction land and the reduction in water areas in the 3km-6km buffer zone have increased the pressure on the ecological environment in the nominated property.It was good for heritage protection about the increased of forest area.(5)According to landscape ecology methods,the resistance of ecological service function decreased from 253.14 to 137.30.On the other hand,the ecological connectivity has increased and the ecological stability has been enhanced in Yuanyang County.There are three aspects to protect the heritage of cultural landscapes and the sustainable development of land in Yuanyang County.Maintaining ecological sources,protecting ecological networks,and strengthening construction of ecological nodes. |
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