Comparison of habitat suitability variation of migrating waterbirds in different bays from 2010 to 2019

PDF HTML阅读 XML下载 导出引用 引用提醒 2010-2019年不同海湾迁徙水鸟栖息地适宜性变化对比研究 DOI: 10.5846/stxb202105271387 作者: 作者单位: 作者简介: 通讯作者: 中图分类号: 基金项目: 科技基础资源调查专项（2021FY101000）；国家自然科学基金重大项目（41890854） Comparison of habitat suitability variation migrating waterbirds in different bays from 2010 to 2019 Author: Affiliation: Fund Project: 摘要 | 图/表 访问统计 参考文献 相似文献 引证文献 资源附件 文章评论 摘要:滨海湿地是迁徙水鸟的重要迁飞通道和主要栖息地，评估沿海迁徙水鸟栖息地适宜性及变化态势能为栖息地的合理规划与管理提供科学参考，对迁徙水鸟的保护有重要意义。选择紧邻城市和乡村的深圳湾和雷州湾为研究区，在水鸟栖息地生态系统类型分类的基础上，通过层次分析法确定水鸟栖息地适宜性评价因子，设计栖息地、食物、水分、人类干扰条件及其子类的权重，对栖息地适宜性进行等级划分，分析比较2010-2019年迁徙水鸟栖息地适宜性的时空分布差异，探索适宜性变化差异的原因并给出合理化建议。结果表明：（1）2010-2019年深圳湾有193.4 hm2强干扰区域转变化为中等及弱干扰；雷州湾有16.36 hm2的中等干扰转化为弱、无干扰；（2）深圳湾栖息地适宜性以中等适宜类型为主，2010年和2019年面积占比分别为83.74%和88.71%；雷州湾栖息地适宜性主要以较适宜和中等适宜类型为主，2010年面积占比为86.72%，2010-2019年面积占比基本不变，总体适宜性高于深圳湾。（3）2010-2019年，深圳湾不适宜和较适宜面积分别减少245.54 hm2和26.37 hm2，均转化为中等适宜类型；雷州湾有24.31 hm2的中等和较适宜栖息地转化为适宜类型。 Abstract:Coastal wetlands are great importance for biodiversity conservation as wintering, stop-over, and breeding sites migratory waterbirds. Assessment on provides a scientific basis the rational planning management habitats. In this paper, urban Shenzhen Bay rural Leizhou were selected study areas. High-resolution remote sensing images used extract types The assessment factors their weights determined by analytic hierarchy process (AHP). According main ecological such food, moisture, human disturbances, each was graded. compared differences spatio-temporal distribution 2019. Based analysis driving forces, recommendations waterbird proposed. results show that:(1) 2019, 193.4 hm2 strong disturbance areas transformed into medium weak Bay, while 16.36 no Bay. (2) dominated suitable habitats, with 83.74% 88.71% total area 2019; mainly sub-suitable 86.72% less overall higher than that (3) unsuitable habitats decreased 245.54 26.37 which moderate habitats; 24.31