Examining elevation and thermoregulatory trait differences of endemic tropical swallowtail butterflies to assess their vulnerability to climate change

IF 3.2 2区 农林科学 Q1 ENTOMOLOGY
Tiffany L. T. Ki, Colin M. Beale, Blanca Huertas, Jane K. Hill
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引用次数: 0

Abstract

Abstract Image

研究热带特有燕尾蝶的海拔高度和体温调节特征差异,以评估其对气候变化的脆弱性
热带高山昆虫很容易受到气候变化的影响,如果上山活动范围缩小,灭绝风险就会增加。如果特有物种不成比例地出现在海拔较高的地区,它们将面临特别大的风险,尽管如果它们具有与改善体温调节能力相关的形态特征,威胁可能会得到缓解。我们通过量化与体温调节相关的性状(体型和黑色素)的种间差异,以及物种的性状是否与物种分布范围的升高有关,研究了印度尼西亚苏拉威西岛特有燕尾蝶面对气候变化的脆弱性。我们从英国自然历史博物馆(Natural History Museum)和德国慕尼黑动物学博物馆(Zoologische Staatssammlung München)的 754 份标本中收集了 29 种燕尾蝶(鳞翅目:蝶科)的体型、黑色素形成和范围扩大的数据。地方性蝴蝶的黑色化程度较低(16 个地方性物种,平均 = 83% 黑色化;13 个非地方性物种 = 89% 黑色化),但在体型(地方性物种,平均 = 56 毫米;非地方性物种 = 53 毫米)和海拔(地方性物种,平均 = 345 米海拔;非地方性物种:291 米海拔)方面与非地方性物种相似。没有证据表明这两个组别的物种大小或黑色模式与海拔高度有关。地方特有种和非地方特有种在海拔高度上的差异很小,这意味着地方特有种燕尾蝶受到气候导致的山顶灭绝的威胁并不比非地方特有种大。还需要进一步研究更浅色的翅膀是否会改变特有物种的体温调节能力和适应不断变化的气候的能力。在全球人为温室气体排放没有减少的情况下,持续的气候变暖将继续威胁热带高山物种。
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来源期刊
CiteScore
7.70
自引率
8.60%
发文量
58
审稿时长
>12 weeks
期刊介绍: To publish papers of the highest scientific quality within the general area of insect (and other arthropods) conservation and diversity covering topics ranging from ecological theory to practical management. Papers are invited on the following topics: Conservation genetics; Extinction debt; Long-term conservation planning and implementation; Global implications of local or national conservation actions; Management responses of species and communities; Captive breeding programs; Comparisons of restored and natural habitats; Biogeography; Global biodiversity; Metapopulation dynamics; Climate change: impacts on distributions and range; Invasive species: impacts and control; Effects of pollution; Genetic threats to diversity by introgression; Effects of fragmentation on diversity and distribution; Impact of agricultural and forestry practices on biodiversity; Enhancing urban environments for diversity and protection; Biodiversity action plans: can we scale up from insects?; Effectiveness and choice of indicator species; Soil biodiversity and interactions with above-ground biodiversity; Ecological interactions at local levels; Ecological and evolutionary factors influencing diversity and local, regional and global scales; Sustainable livelihoods and training on the ground; Integrating science and policy.
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