Abstract
Freshwater Ecology![Figure][1] Forest-derived leaves and wood support stream functions but are lost with nutrient pollution IMAGE: PHILLIP M. BUMPERS Excess nutrients added to streams result in net carbon loss from aquatic ecosystems. Nitrogen and phosphorus are known to fuel increases in algal carbon. Now, Rosemond et al. show that nutrients stimulate losses of terrestrially derived carbon (e.g., from twigs and leaves). The authors monitored several multiyear experiments on headwater forest streams in the United States. Some of these streams had extra nitrogen and phosphorus added at levels that are now common in many streams and lakes. To successfully manage river ecosystems, we need to take into account nutrient pollution effects on multiple carbon pathways. Science , this issue p. [1142][2] [1]: pending:yes [2]: /lookup/doi/10.1126/science.aaa1958
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