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Spatial relationships between fishes and amphibians: implications for conservation planning in a Neotropical Hotspot

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Abstract

Species distribution patterns are widely used to guide conservation planning and are a central issue in ecology. The usefulness of spatial correlation analysis has been highlighted in several ecological applications so far. However, spatial assumptions in ecology are highly scale-dependent, in which geographical relationships between species diversity and distributions can have different conservation concerns. Here, an integrative landscape planning was designed to show the spatial distribution patterns of taxonomic and functional diversity of amphibians and fishes, from multiple species traits regarding morphology, life history, and behavior. We used spatial, morphological, and ecological data of amphibians and fishes to calculate the functional diversity and the spatial correlation of species. Mapping results show that the higher taxonomic and functional diversity of fishes is concentrated in the West Atlantic Forest. Considering amphibians, are located in the East portion of the biome. The spatial correlation of species indicates the regions of the Serra do Mar and the extreme southern part of the Central Corridor as the main overlapped species distribution areas between both groups. New key conservation sites were reported within the Brazilian Atlantic Forest hotspot, revealing cross-taxon mismatches between terrestrial and freshwater ecosystems. This study offers useful spatial information integrating suitable habitats of fishes and amphibians to complement existing and future research based on terrestrial and freshwater conservation. New priorities for biodiversity conservation in rich-species regions highlight the importance of spatial pattern analysis to support land-use planning in a macroecological context.

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The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

We thank Thiago F. Rangel for providing computational access to the platform Bioensembles. RLM thanks the Conselho Nacional de Pesquisa e Tecnologia – CNPq and the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior – CAPES for providing scholarships. FSC thanks the Portuguese Foundation for Science and Technology – FCT and the Information Management Research Center – MagIC/NOVA IMS for the institutional support.

Author Contributions

ACC, RLM, and EB: conceived the ideas of the study; ACC, RLM, and FSC: wrote the manuscript with important contributions for the other authors; ACC and RLM: designed methodology; ACC and RLM collected the data; ACC and RLM: analyzed the data; ACC, RLM, and FSC: created the figures. All authors contributed critically to the drafts and gave final approval for submission.

Funding

This work received financial support from CAPES (Finance Code 001), CNPq (151473/2018-8), FCT (PTDC/CTA-AMB/28438/2017), and MagIC/NOVA IMS (UIDB/04152/2020).

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Correspondence to Ricardo Lourenço-de-Moraes.

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The authors declare no competing interests.

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Covre, A.C., Lourenço-de-Moraes, R., Campos, F.S. et al. Spatial relationships between fishes and amphibians: implications for conservation planning in a Neotropical Hotspot. Environmental Management 70, 978–989 (2022). https://doi.org/10.1007/s00267-022-01707-7

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  • DOI: https://doi.org/10.1007/s00267-022-01707-7

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