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A conceptual diagram illustrates the factors that can stimulate the growth of harmful algal blooms in brackish rivers and how these blooms can negatively impact other species within the ecosystem.
Algal Bloom Causation and Impacts in Brackish…
A conceptual diagram illustrates the key features of the Chesapeake Bay watershed as well as the inputs that stimulate eutrophication and the symptoms of eutrophication.
The Causes and Effects of Eutrophication
Ranking tributaries by water quality, then by diffuse nitrogen sources can help to determine which watersheds are high priority. High priority watersheds are those responsible for proportionally more nutrient and sediment inputs to receiving waters than other watersheds.
Steps to Identifying High Priority Tributaries
Arrow to indicate trash inputs
Inputs: trash
Illustration showing sediment inputs.
Inputs: nutrients 2
Illustration showing sediment inputs.
Inputs: sediments 2
Triptych comparison of a river mouth, showing a pristine environment (left) with subsequent sediment, nutrients, and toxin inputs leading to an unhealthy and unproductive environment with a hardened shoreline (right).
Estuary 3D: River Mouth Triptych
Illustration of low toxicant inputs
Toxicants: low
Diagram illustrating how restoration of riparian forest buffers helps recycle nutrients and improve water quality.
Riparian forest buffers
Conceptual diagram illustrating the source of inputs in a coastal ecosystem.
Sources of nitrogen/phosphorus deposition
This conceptual diagram depicts the environmental factors that lead to harmful algal blooms in the Potomac River. The diagram compares ideal bloom conditions to poor bloom conditions.
Environmental conditions that lead to harmful…
This conceptual diagram depicts the main factors controlling distribution of aquatic grass community types in Chesapeake Bay. The diagram compares high water discharge and loads to low water discharge and loads.
Environmental factors that control aquatic grass…
Illustration of high toxicant inputs
Toxicants: high
Illustration of dissolved organic carbon input
Inputs: dissolved organic carbon
Illustration of particulate organic carbon input
Inputs: particulate organic carbon
Illustration of Treated Effluent
Treated Effluent
Illustration of pathogens
Pathogens
Illustration of atmospheric phosphorus input
Inputs: atmospheric phosphorus
Illustration of atmospheric sulphur input
Inputs: atmospheric sulphur
Illustration of gas input
Inputs: gas
Illustration of humic-stained water
Inputs: humic stained water
Illustration of iron input via water
Inputs: iron stained water
Illustration of nutrient input
Inputs: nutrients 1
Illustration of saltwater input
Inputs: saltwater
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