Global analysis of nitrogen and phosphorus limitation of primary producers in freshwater, marine and terrestrial ecosystems
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Abstract
The cycles of the key nutrient elements nitrogen (N) and phosphorus (P) have been massively altered by anthropogenic activities. Thus, it is essential to understand how photosynthetic production across diverse ecosystems is, or is not, limited by N and P. Via a large-scale meta-analysis of experimental enrichments, we show that P limitation is equally strong across these major habitats and that N and P limitation are equivalent within both terrestrial and freshwater systems. Furthermore, simultaneous N and P enrichment produces strongly positive synergistic responses in all three environments. Thus, contrary to some prevailing paradigms, freshwater, marine and terrestrial ecosystems are surprisingly similar in terms of N and P limitation.
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The record
- Venue
- Ecology Letters
- Topic
- Soil and Water Nutrient Dynamics
- Field
- Environmental Science
- Canadian institutions
- University of British Columbia
- Funders
- —
- Keywords
- Terrestrial ecosystemEcosystemEcologyMarine ecosystemFreshwater ecosystemHabitatNutrientPhosphorusTerrestrial plantMarine habitatsEnvironmental sciencePrimary producersBiologyChemistryPhytoplankton
- Has abstract in OpenAlex
- yes