雷州半岛是中国三大半岛之一,海岸线较长,海洋渔业发展前景广阔。为了客观反映雷州半岛渔业资源发展现状,本文对雷州半岛海洋渔业资源分类、海洋渔业经济总产值、海洋渔业捕捞情况、海水养殖产量和面积以及海水产品加工情况进行了分析...雷州半岛是中国三大半岛之一,海岸线较长,海洋渔业发展前景广阔。为了客观反映雷州半岛渔业资源发展现状,本文对雷州半岛海洋渔业资源分类、海洋渔业经济总产值、海洋渔业捕捞情况、海水养殖产量和面积以及海水产品加工情况进行了分析。结果表明雷州半岛渔业资源丰富,海洋捕捞产量呈稳中有降的趋势,海水养殖产量总体上呈增加趋势;养殖方式多样,养殖面积也因方式不同而有所差异;海水产品加工总体上呈现减少的趋势。通过梳理雷州半岛渔业资源发展现状,在此基础上本文提出了具有可行性的提升策略。The Leizhou Peninsula is one of the three major peninsulas in China, with a long coastline and broad prospects for the development of marine fisheries. In order to objectively reflect the current development status of fishery resources in the Leizhou Peninsula, this article analyzes the classification of marine fishery resources, the total economic output value of marine fishery, the fishing situation of marine fishery, the production and area of marine aquaculture, and the processing of marine products in the Leizhou Peninsula. The results show that the Leizhou Peninsula has abundant fishery resources, and the marine fishing yield is showing a stable but decreasing trend, while the overall production of marine aquaculture is increasing;There are various breeding methods, and the breeding area also varies due to different methods;The overall trend of seawater product processing is decreasing. Based on the current development status of fishery resources in the Leizhou Peninsula, this article proposes feasible improvement strategies.展开更多
以雷州半岛的风沙地貌为研究对象,为了把握雷州半岛海岸风沙地貌在2001~2021年20年间的变化特征和规律,选取了2003年、2017年、2020年和2021年4期遥感影像,借助遥感和GIS等手段分析了雷州半岛及其周边岛屿的海岸线变化的速率及其趋势,...以雷州半岛的风沙地貌为研究对象,为了把握雷州半岛海岸风沙地貌在2001~2021年20年间的变化特征和规律,选取了2003年、2017年、2020年和2021年4期遥感影像,借助遥感和GIS等手段分析了雷州半岛及其周边岛屿的海岸线变化的速率及其趋势,并尝试分析变化的原因。研究结果表明:2003年至2021年雷州半岛海岸带的观察和研究(除硇洲岛外),发现雷州半岛大陆部分、东海岛和南三岛的海岸线整体呈现先向海推进,再向陆推进的趋势,其海滩面积呈先增后减少的趋势;雷州半岛大陆不同段落的海岸线变化具有明显差异,硇洲岛海岸线变化则主要表现为向陆推进,再向海快速推进趋势,其海滩面积呈先减少后增加的趋势。Taking the aeolian sand landform of Leizhou Peninsula as the research object, in order to grasp the change characteristics and rules of the aeolian sand landform of the coast of Leizhou Peninsula during the 20 years from 2001 to 2021, four remote sensing images from 2003, 2017, 2020 and 2021 were selected. By means of remote sensing and GIS, this paper analyzes the rate and trend of the coastline change of Leizhou Peninsula and its surrounding islands, and tries to analyze the reasons for the change. The results show that the observation and study of the coastal zone of Leizhou Peninsula from 2003 to 2021 (except Naozhou Island) shows that the coastline of the mainland part of Leizhou Peninsula, Donghai Island and Nansandao as a whole presents a trend of first advancing to the sea, and then advancing to the land, and the beach area of the peninsula shows a trend of first increasing and then decreasing;There are obvious differences in the changes of coastlines in different sections of Leizhou Peninsula. The changes of coastlines of Naozhou Island mainly show a rapid trend of landward advance and then seaward advance, and the beach area decreases first and then increases.展开更多
文摘雷州半岛是中国三大半岛之一,海岸线较长,海洋渔业发展前景广阔。为了客观反映雷州半岛渔业资源发展现状,本文对雷州半岛海洋渔业资源分类、海洋渔业经济总产值、海洋渔业捕捞情况、海水养殖产量和面积以及海水产品加工情况进行了分析。结果表明雷州半岛渔业资源丰富,海洋捕捞产量呈稳中有降的趋势,海水养殖产量总体上呈增加趋势;养殖方式多样,养殖面积也因方式不同而有所差异;海水产品加工总体上呈现减少的趋势。通过梳理雷州半岛渔业资源发展现状,在此基础上本文提出了具有可行性的提升策略。The Leizhou Peninsula is one of the three major peninsulas in China, with a long coastline and broad prospects for the development of marine fisheries. In order to objectively reflect the current development status of fishery resources in the Leizhou Peninsula, this article analyzes the classification of marine fishery resources, the total economic output value of marine fishery, the fishing situation of marine fishery, the production and area of marine aquaculture, and the processing of marine products in the Leizhou Peninsula. The results show that the Leizhou Peninsula has abundant fishery resources, and the marine fishing yield is showing a stable but decreasing trend, while the overall production of marine aquaculture is increasing;There are various breeding methods, and the breeding area also varies due to different methods;The overall trend of seawater product processing is decreasing. Based on the current development status of fishery resources in the Leizhou Peninsula, this article proposes feasible improvement strategies.
文摘以雷州半岛的风沙地貌为研究对象,为了把握雷州半岛海岸风沙地貌在2001~2021年20年间的变化特征和规律,选取了2003年、2017年、2020年和2021年4期遥感影像,借助遥感和GIS等手段分析了雷州半岛及其周边岛屿的海岸线变化的速率及其趋势,并尝试分析变化的原因。研究结果表明:2003年至2021年雷州半岛海岸带的观察和研究(除硇洲岛外),发现雷州半岛大陆部分、东海岛和南三岛的海岸线整体呈现先向海推进,再向陆推进的趋势,其海滩面积呈先增后减少的趋势;雷州半岛大陆不同段落的海岸线变化具有明显差异,硇洲岛海岸线变化则主要表现为向陆推进,再向海快速推进趋势,其海滩面积呈先减少后增加的趋势。Taking the aeolian sand landform of Leizhou Peninsula as the research object, in order to grasp the change characteristics and rules of the aeolian sand landform of the coast of Leizhou Peninsula during the 20 years from 2001 to 2021, four remote sensing images from 2003, 2017, 2020 and 2021 were selected. By means of remote sensing and GIS, this paper analyzes the rate and trend of the coastline change of Leizhou Peninsula and its surrounding islands, and tries to analyze the reasons for the change. The results show that the observation and study of the coastal zone of Leizhou Peninsula from 2003 to 2021 (except Naozhou Island) shows that the coastline of the mainland part of Leizhou Peninsula, Donghai Island and Nansandao as a whole presents a trend of first advancing to the sea, and then advancing to the land, and the beach area of the peninsula shows a trend of first increasing and then decreasing;There are obvious differences in the changes of coastlines in different sections of Leizhou Peninsula. The changes of coastlines of Naozhou Island mainly show a rapid trend of landward advance and then seaward advance, and the beach area decreases first and then increases.