Cited by 198Soil and Water Nutrient DynamicsHydrology and Sediment Transport ProcessesAquatic Ecosystems and Phytoplankton Dynamics

ARE RIVERS JUST BIG STREAMS? A PULSE METHOD TO QUANTIFY NITROGEN DEMAND IN A LARGE RIVER

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Tank, Jennifer L., Rosi-Marshall, Emma J., Baker, Michelle A., Hall, Robert O.·2008·Ecology

Abstract

Given recent focus on large rivers as conduits for excess nutrients to coastal zones, their role in processing and retaining nutrients has been overlooked and understudied. Empirical measurements of nutrient uptake in large rivers are lacking, despite a substantial body of knowledge on nutrient transport and removal in smaller streams. Researchers interested in nutrient transport by rivers (discharge >10000 L/s) are left to extrapolate riverine nutrient demand using a modeling framework or a mass balance approach. To begin to fill this knowledge gap, we present data using a pulse method to measure inorganic nitrogen. (N) transport and removal in the Upper Snake River, Wyoming, USA (seventh order, discharge 12000 L/s). We found that the Upper Snake had surprisingly high biotic demand relative to smaller streams in the same river network for both ammonium (NH4+) and nitrate (NO3-). Placed in the context of a meta-analysis of previously published nutrient uptake studies, these data suggest that large rivers may have similar biotic demand for N as smaller tributaries. We also found that demand for different forms of inorganic N (NH4+ vs. NO3-) scaled differently with stream size. Data from rivers like the Upper Snake and larger are essential for effective water quality management at the scale of river networks. Empirical measurements of solute dynamics in large rivers are needed to understand the role of whole river networks (as opposed to stream reaches) in patterns of nutrient export at regional and continental scales.

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Research works printed but not linked: 4

  1. APHA. 1998. Standard methods for the examination of water and wastewater. 20th edition. American Public Health Association, Washington, DC.
  2. Dodds, W. K., J. M. O'Brien, J. N. Murdock, J. Fischer, N. R. Franssen, J. J. Eichmiller, A. S. Makinster, D. Gudder, M. J. McCarthy, J. L. Tank, and J. Beaulieu. In Review. Nitrogen cycling and metabolism in the thalweg of a prairie river. Can. J. Fish. and Aq. Sciences.
  3. Grimm, N.B. and S.G. Fisher. 1986. Nutrient limitation in a Sonoran Desert stream. Journal of the North American Benthological Society 5: 2-15.
  4. Rabalais N. N., R. E. Turner, and W. J. Wiseman Jr. 2002. Gulf of Mexico hypoxia, aka "the dead zone". Annual Review of Ecology and Systematics 33:235-63.

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Authors
Tank, J. L., Rosi-Marshall, E. J., Baker, M. A., & Hall, R. O.
Affiliations
  • University of Notre Dame (US)
  • Utah State University (US)
  • University of Wyoming (US)
Corresponding author
Tank, Jennifer L.
Venue
Ecology
Publisher
Wiley
Published
2008-10
Volume
89
Issue
10
Pages
2935-2945
ISSN
0012-9658 (ISSN-L)
OpenAlex
W2017019925
Cited by
198
References
50
Citations by year
2026: 1 · 2025: 4 · 2024: 6 · 2023: 10 · 2022: 9 · 2021: 18 · 2020: 15 · 2019: 14 · 2018: 10 · 2017: 18 · 2016: 16 · 2015: 16 · 2014: 9 · 2013: 13 · 2012: 14
FWCI
6.08
Type
journal article
Language
en
Open access
Locations
  • Ecology (publishedVersion)
  • PubMed (publishedVersion)
  • Digital Commons - USU (Utah State University) (submittedVersion)
Funders
  • National Science Foundation (0111410, 0409534)
  • Loyola University Chicago
Topics
  • Physical Sciences › Environmental Science › Environmental Chemistry › Soil and Water Nutrient Dynamics
  • Physical Sciences › Environmental Science › Ecology › Hydrology and Sediment Transport Processes
  • Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
Keywords
large rivers, nutrient uptake, inorganic nitrogen, ammonium, nitrate, pulse method, nutrient requirements, nutrient transport, nutrient retention, river networks, nutrient export, water quality management
MeSH terms
Quaternary Ammonium Compounds, Environmental Monitoring, Eutrophication, Nitrates, Nitrogen, Time Factors, Water, Wyoming, Ecosystem, Rivers

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