Abstract
Bryophytes are important elements of plant communities in most habitat types worldwide. However, due to their relatively small size and difficult identification, bryophyte data are missing in many plant community studies. The objective of the present study is to increase the knowledge about EU Habitat directive bryophyte species distribution and conservation in Latvia. We compiled data from the Natural Data Management System OZOLS database about four EU Habitat Directive bryophyte species: Buxbaumia viridis, Dicranum viride, Hamatocaulis vernicosus and H. lapponicus, all indicators of high–value habitats in Latvia. The most common EU Habitat Directive species in this group was Buxmaumia viridis, which showed a significantly higher occurrence in the Western taiga habitat. Most of Hamatocaulis lapponicus and H. vernicosus localities were registered in protected areas with a high and moderate degree of protection. Most of Buxbaumia viridis and Dicranum viride localities were registered outside of the protected areas with a low degree of protection. Our results showed that EU Habitat Directive bryophyte species conservation in the long–term in Latvia is unclear, especially for B. viridis and D. viride populations. In future studies, we recommend initiating large-scale protected bryophyte monitoring programs and population studies that could contribute to plant community and global climate change research.
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Acknowledgments
We are grateful to Joint Stock Company “Latvia’s State Forests” for co–operation. Thanks to Kristīne Sproģe for help with data about drainage ditches and to Gita Strode for the discussions about nature conservation in Latvia. We are grateful to two reviewers for important comments which helped to improve this article.
Funding
The study was financially supported by a postdoctoral grant: “Epiphyte metapopulation dynamics in boreo-nemoral forest landscape” (Nr. 1.1.1.2/VIAA/3/19/469).
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Conceptualization: Anna Mežaka; Methodology: Anna Mežaka; Formal analysis and investigation: Anna Mežaka, Anete Pošiva-Bunkovska, Māris Nitcis; Writing–original draft preparation: Anna Mežaka; Writing–review and editing: Anna Mežaka, Anete Pošiva-Bunkovska, Evita Oļehnoviča, Māris Nitcis, Baiba Bambe; Supervision: Anna Mežaka.
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Mežaka, A., Pošiva-Bunkovska, A., Oļehnoviča, E. et al. EU habitat directive bryophyte species distribution and conservation in Latvia. Biologia 79, 1193–1207 (2024). https://doi.org/10.1007/s11756-023-01571-8
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DOI: https://doi.org/10.1007/s11756-023-01571-8