The mossy north: an inverse latitudinal diversity gradient in European bryophytes

Rubén G. Mateo; Olivier Broennimann; Signe Normand; Blaise Petitpierre; Miguel Bastos; Jens-C. Svenning; Andrés Baselga; Federico Fernández-González; Virgilio Gómez-Rubio; Jesús Muñoz; Guillermo M. Suarez; Miska Luoto; Antoine Guisan; Alain Vanderpoorten

doi:10.1038/srep25546

The mossy north: an inverse latitudinal diversity gradient in European bryophytes

Rubén G. Mateo, Olivier Broennimann, Signe Normand, Blaise Petitpierre, Miguel Bastos, Jens-C. Svenning, Andrés Baselga, Federico Fernández-González, Virgilio Gómez-Rubio, Jesús Muñoz, Guillermo M. Suarez, Miska Luoto, Antoine Guisan, Alain Vanderpoorten

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Abstract

It remains hotly debated whether latitudinal diversity gradients are common across taxonomic groups and whether a single mechanism can explain such gradients. Investigating species richness (SR) patterns of European land plants, we determine whether SR increases with decreasing latitude, as predicted by theory, and whether the assembly mechanisms differ among taxonomic groups. SR increases towards the south in spermatophytes, but towards the north in ferns and bryophytes. SR patterns in spermatophytes are consistent with their patterns of beta diversity, with high levels of nestedness and turnover in the north and in the south, respectively, indicating species exclusion towards the north and increased opportunities for speciation in the south. Liverworts exhibit the highest levels of nestedness, suggesting that they represent the most sensitive group to the impact of past climate change. Nevertheless, although the extent of liverwort species turnover in the south is substantially and significantly lower than in spermatophytes, liverworts share with the latter a higher nestedness in the north and a higher turn-over in the south, in contrast to mosses and ferns. The extent to which the similarity in the patterns displayed by spermatophytes and liverworts reflects a similar assembly mechanism remains, however, to be demonstrated.

Original language	English
Article number	25546
Journal	Scientific Reports
Volume	6
Number of pages	9
ISSN	2045-2322
DOIs	https://doi.org/10.1038/srep25546
Publication status	Published - 6 May 2016

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Journal Article

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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Mateo, R. G., Broennimann, O., Normand, S., Petitpierre, B., Bastos, M., Svenning, J-C., Baselga, A., Fernández-González, F., Gómez-Rubio, V., Muñoz, J., Suarez, G. M., Luoto, M., Guisan, A., & Vanderpoorten, A. (2016). The mossy north: an inverse latitudinal diversity gradient in European bryophytes. Scientific Reports, 6, [25546]. https://doi.org/10.1038/srep25546

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abstract = "It remains hotly debated whether latitudinal diversity gradients are common across taxonomic groups and whether a single mechanism can explain such gradients. Investigating species richness (SR) patterns of European land plants, we determine whether SR increases with decreasing latitude, as predicted by theory, and whether the assembly mechanisms differ among taxonomic groups. SR increases towards the south in spermatophytes, but towards the north in ferns and bryophytes. SR patterns in spermatophytes are consistent with their patterns of beta diversity, with high levels of nestedness and turnover in the north and in the south, respectively, indicating species exclusion towards the north and increased opportunities for speciation in the south. Liverworts exhibit the highest levels of nestedness, suggesting that they represent the most sensitive group to the impact of past climate change. Nevertheless, although the extent of liverwort species turnover in the south is substantially and significantly lower than in spermatophytes, liverworts share with the latter a higher nestedness in the north and a higher turn-over in the south, in contrast to mosses and ferns. The extent to which the similarity in the patterns displayed by spermatophytes and liverworts reflects a similar assembly mechanism remains, however, to be demonstrated.",

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AU - Petitpierre, Blaise

AU - Bastos, Miguel

AU - Svenning, Jens-C.

AU - Baselga, Andrés

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AU - Gómez-Rubio, Virgilio

AU - Muñoz, Jesús

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AU - Guisan, Antoine

AU - Vanderpoorten, Alain

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N2 - It remains hotly debated whether latitudinal diversity gradients are common across taxonomic groups and whether a single mechanism can explain such gradients. Investigating species richness (SR) patterns of European land plants, we determine whether SR increases with decreasing latitude, as predicted by theory, and whether the assembly mechanisms differ among taxonomic groups. SR increases towards the south in spermatophytes, but towards the north in ferns and bryophytes. SR patterns in spermatophytes are consistent with their patterns of beta diversity, with high levels of nestedness and turnover in the north and in the south, respectively, indicating species exclusion towards the north and increased opportunities for speciation in the south. Liverworts exhibit the highest levels of nestedness, suggesting that they represent the most sensitive group to the impact of past climate change. Nevertheless, although the extent of liverwort species turnover in the south is substantially and significantly lower than in spermatophytes, liverworts share with the latter a higher nestedness in the north and a higher turn-over in the south, in contrast to mosses and ferns. The extent to which the similarity in the patterns displayed by spermatophytes and liverworts reflects a similar assembly mechanism remains, however, to be demonstrated.

AB - It remains hotly debated whether latitudinal diversity gradients are common across taxonomic groups and whether a single mechanism can explain such gradients. Investigating species richness (SR) patterns of European land plants, we determine whether SR increases with decreasing latitude, as predicted by theory, and whether the assembly mechanisms differ among taxonomic groups. SR increases towards the south in spermatophytes, but towards the north in ferns and bryophytes. SR patterns in spermatophytes are consistent with their patterns of beta diversity, with high levels of nestedness and turnover in the north and in the south, respectively, indicating species exclusion towards the north and increased opportunities for speciation in the south. Liverworts exhibit the highest levels of nestedness, suggesting that they represent the most sensitive group to the impact of past climate change. Nevertheless, although the extent of liverwort species turnover in the south is substantially and significantly lower than in spermatophytes, liverworts share with the latter a higher nestedness in the north and a higher turn-over in the south, in contrast to mosses and ferns. The extent to which the similarity in the patterns displayed by spermatophytes and liverworts reflects a similar assembly mechanism remains, however, to be demonstrated.

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The mossy north: an inverse latitudinal diversity gradient in European bryophytes

Abstract

Keywords

UN SDGs

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