文昌市冯家湾水产养殖清退地块的生态修复技术研究

Study on Ecological Recovery Technology of Return Aquaculture’s Land in Fengjia Bay of Wenchang

随着文昌养殖产业的不断发展,其对沿海地区的红树林资源和滨海湿地生态系统造成了严重的威胁。为了推进文昌市的生态文明建设和生态环境专项整治工作,对冯家湾2020年禁养区内的水产养殖池拆除、清退并进行生态修复。此次生态修复方式分为3种,包括退塘还林、退塘还湿和自行恢复。修复区分为工厂化养殖区和池塘养殖区,面积达到26.63hm^(2),共195个小班。其中,退塘还林的面积为17.23hm^(2),有106个小班,工厂化养殖修复区种植的半红树树种为玉蕊、水黄皮、黄槿等,池塘化养殖修复区种植的真红树树种为红海榄、秋茄、海漆等;退塘还湿为8.43hm^(2),有65个小班;自行恢复为0.97hm^(2),有24个小班。

With the development of Wenchang aquaculture industry,it poses a serious threats to mangrove resources and coastal wetland ecosystems in coastal areas.In order to promote the construction of ecological civilization and special rectification work in Wenchang City.Check and return the pools in the forbidden fish farming region 2020 in Fengjia bay,and carry out ecological repair.The ecological repair method has three,including return the pools to forestry,to wet land,and natural recovery.The area of repair region is 26.63 hm^(2) and 195 blocks that divided into factory cultivation region and pond farming region.The area of return pools to forestry has 17.23 hm^(2) and 106 blocks,the Heritiera littoralis species planted in the factory cultured repair area is Barringtonia racemosa(L.)Spreng,Pongamia pinnata(Linn.)Pierre,Hibiscus tiliaceus Linn.etc.The Mangrove species planted in the pond cultured repair area are Rhizophora stylosa Griff.,Kandelia candel(Linn.)Druce,Excoecaria agallocha Linn.etc.The area of return pools to wet land has 8.63 hm^(2) and 65 blocks.The area of natural recovery has 0.97 hm^(2) and 24 blocks.