Low

Illustration of low air quality level

Comparison of a coastline with high vs low marsh

An illustration indicating a low concentration of chlorophyll

An illustration indicating a low concentration of dissolved organic carbon

Illustration of a low concentration of POC

Illustration of a low concentration of phytoplankton

Illustration of intermittent sulfate

Illustration of low concentration

Illustration of low ammonium concentration

Illustration of low carbon dioxide concentration

Illustration of low dissolved oxygen concentration

Illustration of low nitrate concentration

Illustration of low nitrite concentration

Illustration of low nitrogen concentration

Illustration of low nitrogen and phosphorus concentration

Illustration of low oxygen concentration

Illustration of low ozone concentration

Illustration of low phosphate concentration

Illustration of low phosphorus concentration

Illustration of low salinity concentration

Illustration of low silicate concentration

Illustration of low sulfate concentration

Illustration of low turbidity concentration

Illustration of low delta for element, x

Illustration of low del 13C delta

Illustration of low del 15N delta

Unicode: 1F505

Illustration of measuring cup with low contents

Illustration of low primary production

Illustration of low respiration

Illustration of a low bioassay response (any element)

Illustration of low light in a bioassay

Illustration of a low N bioassay

Illustration of a low N + P bioassay response

Illustration of a low P bioassay response

Cross section of a river showing low water table

Illustration of river base with urban paving and low water level

Illustration of low temperature

Illustration of low toxicant inputs