Historical Demographic Determinants Complement Climate Model Predictions of Co-Occurring Cryptic Species

IF 4.6 2区环境科学与生态学 Q1 BIODIVERSITY CONSERVATION

Diversity and Distributions Pub Date : 2025-02-13 DOI:10.1111/ddi.70007

Pilar Jurado-Angulo, Mario García-París

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引用次数: 0

Abstract

Aim

We explore the impact of demography and biogeographic history on the interpretation of ecological niche model, highlighting the potential for integrating genetic and ecological approaches to elucidate the evolutionary dynamics underlying the geographic distributions of cryptic species.

Location

Western Palaearctic (Africa and Europe).

Methods

We conducted intensive sampling across the Iberian Peninsula to obtain mtDNA phylogeographic data and to develop fine-scale ecological niche models, projecting these models into both past and future scenarios for the cryptic earwigs Forficula dentata and F. mediterranea. Additionally, we utilised Bayesian skyline plot (BSP) analyses to reconstruct demographic histories and infer past population trends for both species.

Results

The phylogeographic patterns revealed divergent evolutionary histories: F. dentata exhibited a well-established, geographically structured lineage, whereas F. mediterranea displayed a star-shaped pattern characteristic of recent expansion. Comparison between current climate models and those projected into the past and future indicate that F. dentata is likely facing a substantial reduction in its suitable habitat due to ongoing climate change, possibly exacerbated by increasing competition with F. mediterranea.

Main Conclusions

Our results suggest that climatic factors alone cannot determine the distribution of cryptic species. Historical and demographic factors play a crucial role in shaping their current geographical structure. In addition, human-mediated dispersal and ongoing climate change may contribute to the genetic and spatial structure within the F. auricularia species complex. Overall, exploring the intricate interplay between historic, genetic and geographic distribution is recommended to overcome contradictory predictions of climate models.

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来源期刊

Diversity and Distributions 环境科学-生态学

CiteScore

8.90

自引率

4.30%

发文量

195

审稿时长

8-16 weeks

期刊介绍： Diversity and Distributions is a journal of conservation biogeography. We publish papers that deal with the application of biogeographical principles, theories, and analyses (being those concerned with the distributional dynamics of taxa and assemblages) to problems concerning the conservation of biodiversity. We no longer consider papers the sole aim of which is to describe or analyze patterns of biodiversity or to elucidate processes that generate biodiversity.