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phosphorus

Maps of the Great Lakes region using different colors to show nutrient concentrations.
Posted inEditors' Highlights

Analyzing Sources of Pollution in the Great Lakes

by Luis Lassaletta 11 April 202319 April 2023

Understanding how agriculture and land use affect nutrient flows and concentrations in the vast area of the Great Lakes is an essential step to developing sustainable management strategies.

A white water tower against a blue sky with trees in the foreground.
Posted inResearch Spotlights

U.S. Public Water Supply Is a Local Source of Phosphorus Pollution

Rachel Fritts, Science Writer by Rachel Fritts 16 March 202316 March 2023

Excess phosphorus may reach U.S. rivers, lakes, and groundwater through water main leaks and outdoor water use.

Posted inResearch Spotlights

If There Is Phosphine on Venus, There Isn’t Much

by Morgan Rehnberg 1 December 20221 December 2022

New observations of the Venusian atmosphere collected from an airborne observatory showed no sign of the potential biosignature gas, casting additional doubt on a previous report of its detection.

A conceptual model showing how phosphorous from individual household waste is transported to surface waters.
Posted inEditors' Highlights

Water Quality Policy Must Consider Stored Watershed Phosphorous

by D. Scott Mackay 6 December 20213 December 2021

Phosphorous stored in watersheds and affects water quality for decades. A new model predicts phosphorus accumulation and depletion, and the consequences for water quality conservation measures.

Sunlight reflecting off tiny, interplanetary “cosmic dust” particles
Posted inResearch Spotlights

Cosmic Dust May Be Key Source of Phosphorus for Life on Earth

Sarah Stanley, Science Writer by Sarah Stanley 17 November 202117 November 2021

When tiny particles enter Earth’s atmosphere, a newly described series of chemical reactions may lead to production of phosphorus-containing molecules that are essential for biological processes.

Posted inResearch Spotlights

A Well-Balanced Ecosystem Uses Water Most Efficiently

Elizabeth Thompson by Elizabeth Thompson 13 May 20216 March 2023

Excess of a single nutrient, such as nitrogen, may boost plant productivity, but the imbalance leads to less efficient water use as plants scramble for the nutrients they lack.

Two bags of granules of chemical fertilizer containing nitrogen, phosphorus, and potassium
Posted inOpinions

Our Losing Phosphate Wager

by Gabriel Filippelli 22 April 202128 March 2022

Global food systems depend on fertilizers with phosphate. We need to act now before this nonrenewable resource runs out.

A stream in Sweden with tall green grass on either side
Posted inResearch Spotlights

Records and Risks of Legacy Phosphorus in Streams

Elizabeth Thompson by Elizabeth Thompson 23 September 202030 March 2023

A new study quantifies persistent phosphorus in a drainage basin in Sweden and points out risks and oversights to factor in to future stream management.

Aerial view of a small lake surrounded by forest
Posted inResearch Spotlights

The Lasting Legacy of Phosphorus Buried in Lakes

by David Shultz 12 August 202026 January 2023

Research at an experimental lake suggests that phosphorus inputs from runoff may affect the health of aquatic ecosystems long after external additions of the nutrient are reduced.

An aerial view of an agricultural landscape
Posted inResearch Spotlights

Mapping Nutrient Inputs in the Great Lakes Basin

Aaron Sidder, freelance science writer by Aaron Sidder 25 March 202024 February 2023

A new tool links nitrogen and phosphorus applications to land use classifications to better understand where and how much of the nutrients enter watersheds in the U.S. Great Lakes Basin.

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