Preferential P retention emerges in almost 90% of global lakes. This retention leads to a strong elevation in the N:P ratios in lakes outflow, exacerbates the imbalance of the nutrient cycles and can potentially result in biodiversity losses and algal blooms in lakes and downstream ecosystems.
References
Penuelas, J. & Sardans, J. The global nitrogen-phosphorus imbalance. Science 357, 266–267 (2022). A Perspective that presents the imbalance of global N and P cycles.
Penuelas, J., Janssens, I. A., Ciais, P., Obersteiner, M. & Sardans, J. Anthropogenic global shifts in biospheric N and P concentrations and ratios and their impacts on biodiversity, ecosystem productivity, food security, and human health. Glob. Chang. Biol. 26, 1962–1985 (2020). This paper reports the increase of N:P ratios in anthropogenic input.
Beusen, A. H. W., Bouwman, A. F., Van Beek, L. P. H., Mogollon, J. M. & Middelburg, J. J. Global riverine N and P transport to ocean increased during the 20th century despite increased retention along the aquatic continuum. Biogeosciences 13, 2441–2451 (2016). This paper reports the contribution of global N and P lake retention.
Rosentreter, J. A. et al. Half of global methane emissions come from highly variable aquatic ecosystem sources. Nat. Geosci. 14, 225–230 (2021). This paper includes a widely used global up-scaling method.
Additional information
Publisher’s note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
This is a summary of: Wu, Z. et al. Imbalance of global nutrient cycles exacerbated by the greater retention of phosphorus over nitrogen in lakes. Nat. Geosci. https://doi.org/10.1038/s41561-022-00958-7 (2022).
Rights and permissions
About this article
Cite this article
Preferential phosphorus retention in lakes alters the balance of global nutrient cycles. Nat. Geosci. 15, 434–435 (2022). https://doi.org/10.1038/s41561-022-00962-x
Published:
Issue Date:
DOI: https://doi.org/10.1038/s41561-022-00962-x
- Springer Nature Limited