摘要
近年来长江口浦东机场外进行了滩涂围垦,根据浦东机场围垦区外侧滩涂的特殊性,选用电杆礁生态修复技术进行滩涂生态修复。结果显示在电杆礁修复实施后,其基部可形成小水体,小水体体积与电杆礁地上高度具有相关性(P=0. 035),且修复区内电杆礁基部沉积物的含水量为45. 62%。通过对修复区内外沉积土样含水量的比较分析,显示修复时间影响沉积土样的含水量,修复时间长(180 d)的区域0 m处的含水量(48. 41%)高于修复时间短(90 d)的区域0 m处的含水量(40. 73%);位于修复区近岸侧的含水量(50. 56%)高于远岸侧含水量(38. 22%);垂直于海岸线向修复区外延伸的样点(纵向样点)的含水量(48. 24%)高于平行海岸线向修复区外延伸的样点(横向样点)的含水量(37. 29%)。综上所述,电杆礁生态修复技术能够提升修复区滩涂栖息地含水量。
In recent years,tidal flat reclamation has been carried out outside Pudong airport of Yangtze River Estuary.Considering the particularity of pudong airport location,it is planned to use method of pole reef ecological restoration to restore the tidal flat.The results showed that small water bodies could be formed at the base of pole reef after the implementation of the installation.The length of the overground of pole reef was correlated with the volume of water body(P=0.035),the water content of the sedimentary soil sample was about 45.62%.Through the comparative analysis of the water content of the sedimentary soil samples inside and outside the restoration area in different ways,it is shown that the restoration time affects the water content of the sedimentary soil samples.The water content of the area with a long restoration time of 0 m(48.41%),which is higher than that of the area with a short restoration time of 0 m,which is 40.73%.The water content of the sedimentary soil sample was also affected by the spatial distribution.The water content of the nearshore side of the restoration area was 50.56%,much higher than that of the far shore side,which was 38.22%.The water content of surrounding habitats in the restoration area is affected by the restoration area,which is shown as the water content of the vertical shoreline sample(longitudinal sample)extending outside the restoration area is higher than that of the parallel shoreline sample(transverse sample)extending outside the restoration area.Through the comparison and analysis of the water content of the sedimentary soil samples inside outside the restoration area,the above results show that the electric pole reef ecological restoration technology can have a certain positive impact on the beach habitat,surrounding sedimentary soil and its ecological environment of water content.
作者
许自力
刘亮
袁林
吴惠仙
薛俊增
XU Zili;LIU Liang;YUAN Lin;WU Huixian;XUE Junzeng(College of Marine Ecology and Environment,Shanghai Ocean University,Shanghai 201306,China;Centre for Research on the Ecological Security of Ports and Shipping,Shanghai 201306,China)
出处
《上海海洋大学学报》
CAS
CSCD
北大核心
2019年第2期283-289,共7页
Journal of Shanghai Ocean University
基金
上海市海洋局项目(沪海科2017-06)
海洋公益性行业科研专项(2010418013)
上海市科委科研计划项目(17DZ1202905)
关键词
长江口
滩涂围垦
电杆礁
生态修复
栖息地
含水量
Yangtze River Estuary
tidal flat reclamation
electric pole reef
ecological restoration
habitat
water content
