Abstract
Mangrove is a typical natural landscape with great ecological, social and economic functions and values, and should be highly valued and protected. However, in the past few decades, mangrove resources have suffered serious damage, and there are also many deficiencies in mangrove protection. Chinese mangroves, as an important part of the global mangroves, are of great research value. In the present study, the status and historical dynamic process of Chinese mangrove resources were investigated and discussed to illustrate the problems of resources from three aspects, including mangrove distribution, area and plant species. Based on field research, literature research and data analysis, it was revealed that Chinese mangroves are distributed in eight provinces and regions along the southeast coast with an area of 35,749.25 hm2, 38 species and 40 nature reserves. The protection situation and deficiencies were analyzed from the establishment and management of nature reserves. Based on the resource status and problems, reasonable strategies were proposed to protect and manage mangroves mainly from four aspects, including publicity and education, resources restoration and protection technology, legal system establishment, and comprehensive protection and management.
Highlights
Mangroves are woody plant communities that grow in the coastal intertidal zones or river estuary of the tropics and subtropics, which are considered as a special type of forest that adapt to the transition zone between land and ocean, with the title of “coast guardian”, “land-making pioneer” and “bio-purification sieve” (Jia 2014)
We investigated and analyzed the status of Chinese mangroves by using the methods of field research, literature inductive analysis, and scientific statistics
Chinese mangrove plants belong to the Eastern group in the district (Lin 1981), accounting for 43% of the global species and 50% of the Eastern group (Fu et al 2009)
Summary
Mangroves are woody plant communities that grow in the coastal intertidal zones or river estuary of the tropics and subtropics, which are considered as a special type of forest that adapt to the transition zone between land and ocean, with the title of “coast guardian”, “land-making pioneer” and “bio-purification sieve” (Jia 2014). In terms of ecological functions, mangroves attenuate wind and waves (Zhang et al.2006; Ba et al 2017; Guo 2018), purify water and air (Zhang et al 2006; Ba et al 2017), provide excellent habitats (Ba et al 2017; Fang and Dan 2001; Lin and Lin 2001), maintain biodiversity (Zhang et al 2006; Li 2007; Lan et al 2018), and promote siltation and land-making (Ba et al 2017; Fang and Dan 2001; Jiang 1980). Mangrove plants can be used for brewing (Fang and Dan 2001; Jiang 1980), eating (Guo 2018; Lin and Lin 2001) and sugar making (Fang and Dan 2001), as well as extracting industrial chemicals
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