Analysis of Soil Physical and Chemical Properties and Adaptability of Mangrove Afforestation and Restoration in the Tidal Flats:Taking Mangroves in Beihai City as An Example
Soil samples were collected from the tidal flats suitable for mangroves in Beihai,and the adaptability of mangrove afforestation and restoration under different soil conditions was studied by measuring soil physicochemical properties.The results showed that the vertical distribution of soil particle size in each afforestation plot was consistent,mainly sand and silt,and the content was sand,silt,clay,fine gravel in order.With the increase of soil depth,the physical and chemical properties of soils in different plots generally showed a decreasing trend.The soil organic matter contents varied from 5.83 g/kg to 17.68 g/kg,which was at a medium level.The contents of total nitrogen,total phosphorus and total potassium in soils were relatively low,at levels 5 to 6.However,the contents of available nitrogen content,available phosphorus and available potassium were relatively high,which met the nutritional conditions required for afforestation.The results of comprehensive analysis of the growth characteristics of mangrove plants showed that,the flats in Huangjin Village and Zhenxi Village were only suitable for planting Avicennia marina,the flats in Natan Village and Najiang Village were suitable for planting Kandelia obovate and Rhizophora stylosa,and the flats in Herong Village,Hepu Dugong National Nature Reserve and Shangxin Village were suitable for planting Avicennia marina,Kandelia obovata and Rhizophora stylosa.
mangroveafforestation and restorationsoil physical and chemical propertiestidal flat
NETL
NSTL
万方数据
维普
