International Journal of Molecular Ecology and Conservation, 2025, Vol.15, No.5, 217-228 http://ecoevopublisher.com/index.php/ijmec 22 6 8 Concluding Remarks The beaver (Castor spp.) is often called an "ecological engineer" because of its dam building and water management habits. These actions change river systems in a deep way and leave long-term effects on biodiversity and ecosystem services. The ponds and wetlands created by beavers can slow and store flood water, refill dry streams, clean water, and make habitats more diverse. This, in turn, helps many animals and plants to thrive. As climate change speeds up and wetland loss becomes more serious, the study of beavers and their role in ecosystems is becoming more urgent. A large number of research and practical cases have shown that beavers have significant value in maintaining ecological functions, restoring degraded wetlands, and enhancing climate adaptability. In the reintroduction projects in Europe and North America, beavers have demonstrated their potential as a "nature-based solution": they rely on natural processes to restore rivers and wetlands and offer multiple benefits that artificial engineering cannot replace. This fact indicates that reintroducing beavers or scientifically guiding the activities of existing populations is expected to become an important part of future natural solutions. In the future, with better knowledge of their ecological role and better management tools, people and beavers may reach a balance. The main step is careful management and proper guidance. Setting up monitoring systems and conflict response plans can help the public understand the value of beavers and learn ways to live with them. At the same time, policies should place beaver protection within larger water and biodiversity frameworks. If coexistence is set as the goal and management continues in a scientific way, this old species can support sustainable development and bring more resilience and life to the Earth we share. Acknowledgments I would like to thank Dr. Xuan for their support in the process of literature compilation. Conflict of Interest Disclosure The author affirms that this research was conducted without any commercial or financial relationships that could be construed as a potential conflict of interest. References Auster R.E., Barr S.W., and Brazier R.E., 2021, Improving engagement in managing reintroduction conflicts: Learning from beaver reintroduction, Journal of Environmental Planning and Management, 64(10): 1713-1734. https://doi.org/10.1080/09640568.2020.1837089 Bashinskiy I.V., 2020, Beavers in lakes: A review of their ecosystem impact, Aquatic Ecology, 54(4): 1097-1120. https://doi.org/10.1007/s10452-020-09796-4 Brazier R.E., Puttock A., Graham H.A., Auster R.E., Davies K.H., and Brown C.M., 2021, Beaver: Nature’s ecosystem engineers, Wiley Interdisciplinary Reviews: Water, 8(1): e1494. https://doi.org/10.1002/wat2.1494 Bylak A., Kochman-Kędziora N., Kukuła E., and Kukuła K., 2024, Beaver-related restoration: An opportunity for sandy lowland streams in a human-dominated landscape, Journal of Environmental Management, 351: 119799. https://doi.org/10.1016/j.jenvman.2023.119799 Campbell-Palmer R., Puttock A., Wilson K.A., Leow-Dyke A., Graham H.A., Gaywood M.J., and Brazier R.E., 2021, Using field sign surveys to estimate spatial distribution and territory dynamics following reintroduction of the Eurasian beaver (Castor fiber) to British river catchments, River Research and Applications, 37(3): 343-357. https://doi.org/10.1002/rra.3755 Cooper R., Cabrales S., Freeman E., Holroyd E., Wyatt J., and Tosney J., 2025, Eurasian beaver (Castor fiber) reintroduction: A nutrient mitigation solution for lowland chalk streams?, Wetlands, 45(1): 10. https://doi.org/10.1007/s13157-024-01896-3 Coz D.M. and Young J.C., 2020, Conflicts over wildlife conservation: Learning from the reintroduction of beavers in Scotland, People and Nature, 2(2): 406-419. https://doi.org/10.1002/pan3.10076 Dalbeck L., Hachtel M., and Campbell-Palmer R., 2020, A review of the influence of beaver Castor fiber on amphibian assemblages in the floodplains of European temperate streams and rivers, Herpetological Journal, 30(3): 1-12. https://doi.org/10.33256/hj30.3.135146
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