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Biological Prevention Method for Reducing the Fouling Fauna Damage to the Young Transplanted Aegiceras corniculatum Mangrove Trees by Mix-culturing with Saltmarsh
Author(s): HE Bin-yuan, LAI Ting-he, WANG Xin, FAN Hang-qing, PAN Liang-hao, LIAO Si-ming
Pages: 185-
192
Year: 2013
Issue:
3
Journal: Guangxi Sciences
Keyword: saltmarsh; Aegiceras corniculatum; mix-culturing; fouling fauna; biological prevention method;
Abstract: 以3个树高规格的桐花树(Aegiceras corniculatum)苗木与茳芏(Cyperus malaccensis)、沟叶结缕草(Zoysia matrella)、芦苇(Phragmites australis)和南水葱(Scirpus validus var.laeviglumis)4种盐沼草为材料,在广西北仑河口区高程约为220cm的新造潮间带裸滩上树-草混种,探索利用盐沼草减轻污损动物对人工红树林危害的生物防治效果.结果显示:沟叶结缕草和茳芏适应人造潮间带生境,南水葱和芦苇长势较差.附着盐沼和红树的污损动物有19种,其中潮间藤壶(Balanus littoralis)、白条地藤壶(Eura phia withersi)、黑口滨螺(Littorina melanostoma)和粗糙滨螺(L.scabra)为优势种.4种盐沼草中长势较好的茳芏和沟叶结缕草丛受污损程度较轻,南水葱和芦苇丛显著较严重.表明混种茳芏和沟叶结缕草可有效减轻桐花树苗木受污损程度,这两类树-草混种处理区苗木的高度、叶数、枝数、枝下高和存活率等指标均较优于其他处理区.综合而言,茳芏混种桐花树构建“盐沼草-红树协同生态修复体系”对于裸滩红树林防污有较高应用价值.
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