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Assessing the global vulnerability of dryland birds to heatwaves.

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Title: Assessing the global vulnerability of dryland birds to heatwaves.
Authors: Ding, Chenchen1,2 (AUTHOR), Newbold, Tim2 (AUTHOR) t.newbold@ucl.ac.uk, Ameca, Eric I.1,3 (AUTHOR) eric.ameca08@alumni.imperial.ac.uk
Source: Global Change Biology. Jan2024, Vol. 30 Issue 1, p1-22. 22p.
Subjects: Heat waves (Meteorology), International Union for Conservation of Nature & Natural Resources, Numbers of species, Species distribution, Climate extremes, Climate change, Surface temperature
Geographic Terms: Africa
Abstract (English): As global average surface temperature increases, extreme climatic events such as heatwaves are becoming more frequent and intense, which can drive biodiversity responses such as rapid population declines and/or shifts in species distributions and even local extirpations. However, the impacts of extreme climatic events are largely ignored in conservation plans. Birds are known to be susceptible to heatwaves, especially in dryland ecosystems. Understanding which birds are most vulnerable to heatwaves, and where these birds occur, can offer a scientific basis for adaptive management and conservation. We assessed the relative vulnerability of 1196 dryland bird species to heatwaves using a trait‐based approach. Among them, 888 bird species are estimated to be vulnerable to heatwaves (170 highly vulnerable, eight extremely vulnerable), of which ~91% are currently considered non‐threatened by the IUCN, which suggests that many species will likely become newly threatened with intensifying climate change. We identified the top three hotspot areas of heatwave‐vulnerable species in Australia (208 species), Southern Africa (125 species) and Eastern Africa (99 species). Populations of vulnerable species recorded in the Living Planet Database were found to be declining significantly faster than those of non‐vulnerable species (p =.048) after heatwaves occurred. In contrast, no significant difference in population trends between vulnerable and non‐vulnerable species was detected when no heatwave occurred (p =.34). This suggests that our vulnerability framework correctly identified vulnerable species and that heatwaves are already impacting the population trends of these species. Our findings will help prioritize heatwave‐vulnerable birds in dryland ecosystems in risk mitigation and adaptation management as the frequency of heatwaves accelerates in the coming decades. [ABSTRACT FROM AUTHOR]
Abstract (Chinese): 评估全球干旱区鸟类对高温热浪的脆弱性: 随着全球平均地表温度的上升，极端气候事件(如高温热浪)变得更加频繁和强烈，这可能会对物种造成威胁，如种群数量急剧下降、物种分布范围转移、甚至局部灭绝。然而，极端气候事件的生态影响很少被研究，在现有的保护规划中也多被忽视。鸟类对热浪比较敏感，尤其是在生活在干旱生态系统中的鸟类。了解哪些鸟类最容易受到热浪的影响，以及这些鸟类分布在哪里，可以为适应性管理和保护提供科学依据。我们使用一种基于物种性状的方法评估了1,196种干旱鸟类对热浪的相对脆弱性。我们估计有888种鸟类容易受到热浪的影响(其中169种高度脆弱，8种极度脆弱)。~91%(810/888)被识别为容易受到热浪影响的鸟类，但目前被国际自然保护联盟(IUCN)认为是非受威胁物种，这意味着许多物种可能会因日益加剧的气候变化而濒危。我们识别了3个脆弱性物种分布的热点区域；其中，208种脆弱性鸟类分布在澳大利亚，125种分布在东非(埃塞俄比亚、索马里、肯尼亚)，99种分布在南部非洲(博茨瓦纳、纳米比亚和南非)。在发生热浪后，Living Planet Database中记录的脆弱性物种的种群数量下降速度显著快于非脆弱性物种(p =.048)。相比之下，在没有发生热浪时，脆弱性物种和非脆弱性物种之间的种群趋势没有显著差异(p =.34)。这表明我们的框架能够正确识别脆弱性物种，并且高温热浪已经对这些脆弱性物种的种群趋势产生了负面影响。考虑到未来热浪频率和强度可能加剧，我们的研究结果将为干旱生态系统中脆弱性鸟类，在风险缓解和适应性管理规划方面提供预警和帮助。 [ABSTRACT FROM AUTHOR]
Copyright of Global Change Biology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
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  Data: Assessing the global vulnerability of dryland birds to heatwaves.
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  Data: <searchLink fieldCode="AR" term="%22Ding%2C+Chenchen%22">Ding, Chenchen</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Newbold%2C+Tim%22">Newbold, Tim</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> t.newbold@ucl.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Ameca%2C+Eric+I%2E%22">Ameca, Eric I.</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> eric.ameca08@alumni.imperial.ac.uk</i>
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  Data: <searchLink fieldCode="JN" term="%22Global+Change+Biology%22">Global Change Biology</searchLink>. Jan2024, Vol. 30 Issue 1, p1-22. 22p.
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  Data: <searchLink fieldCode="DE" term="%22Heat+waves+%28Meteorology%29%22">Heat waves (Meteorology)</searchLink><br /><searchLink fieldCode="DE" term="%22International+Union+for+Conservation+of+Nature+%26+Natural+Resources%22">International Union for Conservation of Nature & Natural Resources</searchLink><br /><searchLink fieldCode="DE" term="%22Numbers+of+species%22">Numbers of species</searchLink><br /><searchLink fieldCode="DE" term="%22Species+distribution%22">Species distribution</searchLink><br /><searchLink fieldCode="DE" term="%22Climate+extremes%22">Climate extremes</searchLink><br /><searchLink fieldCode="DE" term="%22Climate+change%22">Climate change</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+temperature%22">Surface temperature</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Africa%22">Africa</searchLink>
– Name: Abstract
  Label: Abstract (English)
  Group: Ab
  Data: As global average surface temperature increases, extreme climatic events such as heatwaves are becoming more frequent and intense, which can drive biodiversity responses such as rapid population declines and/or shifts in species distributions and even local extirpations. However, the impacts of extreme climatic events are largely ignored in conservation plans. Birds are known to be susceptible to heatwaves, especially in dryland ecosystems. Understanding which birds are most vulnerable to heatwaves, and where these birds occur, can offer a scientific basis for adaptive management and conservation. We assessed the relative vulnerability of 1196 dryland bird species to heatwaves using a trait‐based approach. Among them, 888 bird species are estimated to be vulnerable to heatwaves (170 highly vulnerable, eight extremely vulnerable), of which ~91% are currently considered non‐threatened by the IUCN, which suggests that many species will likely become newly threatened with intensifying climate change. We identified the top three hotspot areas of heatwave‐vulnerable species in Australia (208 species), Southern Africa (125 species) and Eastern Africa (99 species). Populations of vulnerable species recorded in the Living Planet Database were found to be declining significantly faster than those of non‐vulnerable species (p =.048) after heatwaves occurred. In contrast, no significant difference in population trends between vulnerable and non‐vulnerable species was detected when no heatwave occurred (p =.34). This suggests that our vulnerability framework correctly identified vulnerable species and that heatwaves are already impacting the population trends of these species. Our findings will help prioritize heatwave‐vulnerable birds in dryland ecosystems in risk mitigation and adaptation management as the frequency of heatwaves accelerates in the coming decades. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label: Abstract (Chinese)
  Group: Ab
  Data: 评估全球干旱区鸟类对高温热浪的脆弱性: 随着全球平均地表温度的上升，极端气候事件(如高温热浪)变得更加频繁和强烈，这可能会对物种造成威胁，如种群数量急剧下降、物种分布范围转移、甚至局部灭绝。然而，极端气候事件的生态影响很少被研究，在现有的保护规划中也多被忽视。鸟类对热浪比较敏感，尤其是在生活在干旱生态系统中的鸟类。了解哪些鸟类最容易受到热浪的影响，以及这些鸟类分布在哪里，可以为适应性管理和保护提供科学依据。我们使用一种基于物种性状的方法评估了1,196种干旱鸟类对热浪的相对脆弱性。我们估计有888种鸟类容易受到热浪的影响(其中169种高度脆弱，8种极度脆弱)。~91%(810/888)被识别为容易受到热浪影响的鸟类，但目前被国际自然保护联盟(IUCN)认为是非受威胁物种，这意味着许多物种可能会因日益加剧的气候变化而濒危。我们识别了3个脆弱性物种分布的热点区域；其中，208种脆弱性鸟类分布在澳大利亚，125种分布在东非(埃塞俄比亚、索马里、肯尼亚)，99种分布在南部非洲(博茨瓦纳、纳米比亚和南非)。在发生热浪后，Living Planet Database中记录的脆弱性物种的种群数量下降速度显著快于非脆弱性物种(p =.048)。相比之下，在没有发生热浪时，脆弱性物种和非脆弱性物种之间的种群趋势没有显著差异(p =.34)。这表明我们的框架能够正确识别脆弱性物种，并且高温热浪已经对这些脆弱性物种的种群趋势产生了负面影响。考虑到未来热浪频率和强度可能加剧，我们的研究结果将为干旱生态系统中脆弱性鸟类，在风险缓解和适应性管理规划方面提供预警和帮助。 [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Global Change Biology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/gcb.17136
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        Text: English
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        Type: general
      – SubjectFull: International Union for Conservation of Nature & Natural Resources
        Type: general
      – SubjectFull: Numbers of species
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      – SubjectFull: Species distribution
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      – SubjectFull: Climate extremes
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      – SubjectFull: Climate change
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      – SubjectFull: Surface temperature
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      – SubjectFull: Africa
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      – TitleFull: Assessing the global vulnerability of dryland birds to heatwaves.
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              Text: Jan2024
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