Source link : https://earth-news.info/general/how-tiny-waterways-are-key-to-fixing-15-of-earths-nitrogen/
A groundbreaking study has revealed that small aquatic systems-such as ponds, streams, and wetlands-play a far more significant role in Earth’s nitrogen cycle than previously understood. According to recent findings highlighted by EurekAlert!, these often-overlooked ecosystems are responsible for fixing approximately 15% of the planet’s nitrogen, a vital process that supports plant growth and maintains ecological balance. This discovery challenges longstanding assumptions about nitrogen fixation and underscores the importance of preserving even the smallest bodies of water in sustaining global environmental health.
Small Aquatic Systems Play Crucial Role in Global Nitrogen Fixation
Emerging research reveals that small aquatic systems, such as ponds, wetlands, and marshes, contribute significantly to Earth’s nitrogen cycle by fixing approximately 15% of global nitrogen. Despite their modest size, these watery habitats harbor abundant microbial communities capable of converting atmospheric nitrogen into bioavailable forms essential for ecosystems. This discovery challenges the traditional focus on larger water bodies and terrestrial environments, highlighting the underestimated ecological importance of these miniature yet mighty nitrogen processors.
Key findings emphasize that factors influencing nitrogen fixation in small aquatic systems include:
- Water temperature and chemistry: Warmer conditions and nutrient availability boost fixation rates.
- Microbial diversity:…
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Author : earthnews
Publish date : 2025-08-14 23:18:00
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