南美旱地生态区野生蜜蜂繁殖表现的环境驱动因素。

IF 3.5 1区 生物学 Q1 BIOLOGY
Adriana Aranda-Rickert, Guadalupe Peralta, Mary E R Diniz, Andrés Tálamo, Mariana Allasino, Franco Andrada, Andrea E Arcángel, Luciano Cagnolo, María Victoria Campanella, Natacha P Chacoff, María Virginia Chirilá, Antonella Y Díaz Casas, Stella Giannoni, Silvia B Lomáscolo, Nancy V Marinero, Hugo J Marrero, Lucía C Martínez, M Florencia Miguel, María Paula Pascual Tudanca, Patricio J Pereyra, Leandro D Rojo, Micaela Santos, Maria Schulze-Sylvester, Juan Pablo Torreta, Diego P Vázquez
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引用次数: 0

摘要

野生蜜蜂的繁殖性能是决定其种群持久性的关键因素。然而,很少有研究使用地理上广泛的方法直接审查人口过程的环境驱动因素。在这项研究中,我们探讨了生物和非生物因素如何影响阿根廷蒙特沙漠生态区内独居、腔巢蜜蜂的繁殖。利用人工筑巢和标准化采样,跨越2000 km和20°纬度,我们将关键的繁殖指标-筑巢,后代生产和后代存活-与纬度,气候和生物因素(花卉丰度,植被覆盖和幼虫寄生)联系起来。气候是蜜蜂繁殖表现的最强预测因子:筑巢期间温暖潮湿的环境与筑巢减少和后代存活率有关。幼虫寄生进一步降低了后代的存活率。在蒙地沙漠的纬度梯度上,巢的建立在中纬度地区达到高峰,而后代的产量和存活率则在高纬度地区增加。这些一般模式与数量最多的蜜蜂种类白斑蜜蜂的模式相匹配。这些发现强调了野生蜜蜂繁殖对气候条件的敏感性,特别是在筑巢期间。我们的研究促进了我们对气候变化对新热带野生蜜蜂的潜在影响的理解,那里的大片地区正在经历剧烈的土地利用变化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Environmental drivers of wild bee reproductive performance across a South American dryland ecoregion.

The reproductive performance of wild bees is a key determinant of their population persistence. However, few studies have directly examined the environmental drivers of demographic processes using a geographically broad approach. In this study, we explored how biotic and abiotic factors influence the reproduction of solitary, cavity-nesting bees across the Monte Desert ecoregion in Argentina. Using artificial nests and a standardized sampling spanning 2000 km and 20° of latitude, we related key reproductive metrics-nest establishment, offspring production and offspring survival-to latitude, climate and biotic factors (flower abundance, vegetation cover and brood parasitism). Climate was the strongest predictor of bee reproductive performance: warm, humid conditions during the nesting period were associated with reduced nest establishment and offspring survival. Brood parasitism further reduced offspring survival. Across the Monte Desert's latitudinal gradient, nest establishment peaked at mid-latitudes, while offspring production and survival increased towards higher latitudes. These general patterns matched those of M. leucografa, the most abundant bee species. These findings highlight the sensitivity of wild bee reproduction to climatic conditions, particularly during the nesting period. Our study advances our understanding of the potential impacts of climate change on Neotropical wild bees, where extensive areas are experiencing dramatic land-use changes.

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来源期刊
CiteScore
7.90
自引率
4.30%
发文量
502
审稿时长
1 months
期刊介绍: Proceedings B is the Royal Society’s flagship biological research journal, accepting original articles and reviews of outstanding scientific importance and broad general interest. The main criteria for acceptance are that a study is novel, and has general significance to biologists. Articles published cover a wide range of areas within the biological sciences, many have relevance to organisms and the environments in which they live. The scope includes, but is not limited to, ecology, evolution, behavior, health and disease epidemiology, neuroscience and cognition, behavioral genetics, development, biomechanics, paleontology, comparative biology, molecular ecology and evolution, and global change biology.
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