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确定在气候变化情景下保护澳大利亚的优先息地
Saurav Lamichhane1, Jill Shephard1, Patricia A Fleming1
1Environmental and Conservation Sciences, Harry Butler Institute Murdoch University Perth Western Australia Australia.
Ecology and evolution
|December 22, 2025
概括
由于气候变化,澳大利亚鸟息地预计将适度收缩,主要的保护区如土著保护区提供避难所. 未来的规划必须解决息地连接问题,并尽量减少人类的影响.
科学领域:
- 生态生态学 生态生态学
- 保护生物学 保护生物学
- 气候变化科学 气候变化科学
背景情况:
- 鸟类是重要的环境指标,需要确定关键保护区.
- 澳大利亚 (Ardeotis australis) 在生态和文化上具有重要意义,在气候变化下面临着息地修改和不确定的未来分布.
研究的目的:
- 使用整体物种分布模型 (SDM) 来量化澳大利亚的当前和未来息地适宜性.
- 根据四个气候场景 (SSP1-2.6,SSP2-4.5,SSP3-7.0,SSP5-8.5) 对2050年和2070年的息地动态进行评估.
- 确定关键的环境驱动因素和与人为活动的潜在冲突.
主要方法:
- 综合物种分布建模 (SDM) 应用于澳大利亚鸟发生数据.
- 根据多个共享社会经济路径 (SSP) 预测息地的适宜性,到2050年和2070年.
- 与保护区和风电场发展的重叠分析.
主要成果:
- 目前,澳大利亚69.7%的土地适用,主要是干旱/半干旱地区.
- 预测未来适度息地收缩,主要在南部沿海/半干旱地区;内陆干旱地区保持稳定.
- 包括土著保护区 (IPA) 在内的保护区被确定为气候避难所.
- 降水季节性 (BIO15),寒季降水 (BIO19) 和日间温度范围 (BIO2) 是关键的驱动因素.
- 在合适的鸟息地和现有/拟议的风电场之间存在显著的重叠.
结论:
- 保护战略必须优先考虑息地连接,并尽量减少人为干扰.
- 原住民主导的管理方法对于长期的持久性至关重要.
- 保护区将继续成为澳大利亚的关键气候避难所.
- 与可再生能源发展的潜在冲突需要仔细规划.
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