Persisting while changing over time: modelling the historical biogeographic of cave crickets (Orthoptera, Grylloidea) in Neotropics

IF 1 4区环境科学与生态学 Q4 ECOLOGY

Journal of Tropical Ecology Pub Date : 2023-01-09 DOI:10.1017/S0266467422000529

R. A. Castro-Souza, T. Sobral‐Souza, L. Rabelo, E. Zefa, R. Ferreira

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引用次数: 0

Abstract

Abstract Using species distribution modelling (SDMs) techniques, we predicted the biogeographic history of crickets commonly found in Neotropical caves as a way to detect potential long-term environmental refuges in South America. Our models were built based on a thorough investigation of existing database regarding the genus Endecous Saussure, 1878 (Ensifera: Phalangopsidae) occurrences. The predictions of their distribution were obtained for two paleoclimate scenarios (LGM — 21 ka and Mid-Holocene — 6 ka), the current climate scenario (0 ka) and one future global warming climate scenario (RCP8.5, 2080–2100). Our findings suggest that in the past, the potential distribution of the crickets was wider, with potential forest corridors connecting different karst areas with caves within their occupancy area. The future prediction indicates a drastic reduction in their spatial distribution with an increased potential for isolation in subterranean ecosystems. Atlantic humid forest patches and caves represent the main environmental refuges for these crickets. Considering the ongoing impacts on surface environments and future climate change, the conservation of caves and karst landscapes has become one of the main strategies for the maintenance of these crickets and all the correlated subterranean communities.

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持续而随时间变化:模拟新热带洞穴蟋蟀(直翅目，灰蟋蟀总科)的历史生物地理

利用物种分布模型(SDMs)技术，我们预测了在南美洲新热带洞穴中常见的蟋蟀的生物地理历史，作为发现潜在的长期环境避难所的一种方式。我们的模型是基于对现有数据库中关于Endecous Saussure, 1878 (Ensifera: Phalangopsidae)出现情况的彻底调查而建立的。得到了2个古气候情景(LGM - 21 ka和中全新世- 6 ka)、当前气候情景(0 ka)和1个未来全球变暖气候情景(RCP8.5, 2080-2100)对其分布的预测。研究结果表明，在过去，蟋蟀的潜在分布范围更广，在其活动区域内存在连接不同喀斯特地区的潜在森林走廊和洞穴。未来的预测表明，它们的空间分布急剧减少，在地下生态系统中被隔离的可能性增加。大西洋潮湿的森林斑块和洞穴是这些蟋蟀的主要环境避难所。考虑到对地表环境和未来气候变化的持续影响，保护洞穴和喀斯特景观已成为维持这些蟋蟀和所有相关地下群落的主要策略之一。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Tropical Ecology 环境科学-生态学

CiteScore

2.10

自引率

0.00%

发文量

审稿时长

18-36 weeks

期刊介绍： Journal of Tropical Ecology aims to address topics of general relevance and significance to tropical ecology. This includes sub-disciplines of ecology, such as conservation biology, evolutionary ecology, marine ecology, microbial ecology, molecular ecology, quantitative ecology, etc. Studies in the field of tropical medicine, specifically where it involves ecological surroundings (e.g., zoonotic or vector-borne disease ecology), are also suitable. We also welcome methods papers, provided that the techniques are well-described and are of broad general utility. Please keep in mind that studies focused on specific geographic regions or on particular taxa will be better suited to more specialist journals. In order to help the editors make their decision, in your cover letter please address the specific hypothesis your study addresses, and how the results will interest the broad field of tropical ecology. While we will consider purely descriptive studies of outstanding general interest, the case for them should be made in the cover letter.