红树林是海岸带重要的生态系统，具有保护生物多样性、固碳、防止风浪侵袭、固定沿海堤岸、促进淤积造陆等重要的生态功能，准确分析红树林的生态保护现状，评价红树林的生长适宜性是进行红树林人工恢复工作的理论基础。本研究以广东省为研究对象，结合红树林遥感数据产品使用GIS技术对广东省及各城市的红树林受保护情况进行保护空缺分析（Conservation Gap Analysis，GAP分析），并对广东省地区进行红树林生长适宜性评价。结果显示广东省分布的红树林总面积为116.04km²（不含港、澳统计数据），其中受自然保护区保护的红树林面积为56.12km²，保护空缺占总面积的51.46%，主要分布于湛江市（28.15km²）、江门市（11.91km²），红树林保护优先级评价结果显示江门市内的红树林其保护优先级最高。广东省内满足红树林最优生长条件的区域主要分布在江门市南部地区和珠海市大部分区域。研究分析了广东省内红树林的受保护情况，得出自然保护区外需要优先保护的红树林区域, 通过适宜性评价得出了广东省内适合进行红树林人工恢复种植的区域，并建议在未来加强红树林的生态风险评价与相关教育宣传工作。

Mangroves are important coastal ecosystems with significant ecological functions including biodiversity protection, carbon sequestration, wave attenuation, coastal stabilization, and sediment accumulation. Accurately assessing the ecological conservation status of mangroves and evaluating their suitability for growth are theoretical foundations for mangrove restoration efforts. This study focuses on Guangdong Province, utilizing GIS technology and remote sensing data to conduct a Conservation Gap Analysis (GAP analysis) of mangrove conservation status in Guangdong Province and its cities, as well as evaluating the suitability of mangrove growth in the region. The results indicate that the total area of mangroves in Guangdong Province is 116.04 km² (excluding statistics from Hong Kong and Macau). Among these, 56.12 km² are within natural reserves, while 51.46% of the total area suffers from conservation gaps, primarily in Zhanjiang (28.15 km²) and Jiangmen (11.91 km²). Evaluation of mangrove protection priority reveals that mangroves in Jiangmen have the highest priority. Regions with optimal conditions for mangrove growth in Guangdong Province are mainly located in the southern parts of Jiangmen and in most areas of Zhuhai. The study analyzes the conservation status of mangroves in Guangdong Province and identifies mangrove areas outside natural reserves that require priority conservation. Through suitability assessment, areas suitable for mangrove restoration planting within Guangdong Province are identified, with recommendations for enhancing ecological risk assessment and related educational campaigns for mangroves in the future.