Legacy Phosphorus and Harmful Algal Blooms in Lake Erie
Legacy Phosphorus and Harmful Algal Blooms in Lake Erie
Legacy Phosphorus and Harmful Algal Blooms in Lake Erie
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Importance of DRP<br />
Dissolved P<br />
• 90% DRP<br />
• DRP is 100% bioavailable for<br />
algal growth<br />
Maumee River, Bioavailable <strong>Phosphorus</strong> Load<strong>in</strong>g<br />
Bioavailabe Soluble Phos.<br />
Bioavailable Particulate Phos.<br />
Particulate<br />
• ~30% bioavailable<br />
• Tends to settle to bottom<br />
Bioavailable <strong>Phosphorus</strong><br />
Loads, metric tons<br />
2000<br />
1600<br />
1200<br />
800<br />
400<br />
0<br />
1975 1980 1985 1990 1995 2000 2005<br />
Water Year