Changes

The disadvantages of a 'high organic' planting medium are:

The disadvantages of a 'high organic' planting medium are:

<ol>

<ol>

<li> Increased phosphorous concentration in runoff water, however this may be mitigated by the reduced runoff volume resulting in a lower loading overall,</li>

<li> Increased [[Water Quality#Phosphorous|phosphorous]] concentration in runoff water, however this may be mitigated by the reduced runoff volume resulting in a lower loading overall,</li>

<li>The lightweight material is more prone to wind erosion, and this should be accounted for in the initial design, alternatives include erosion control blankets, soil tackifiers, or Sedum mats.  </li>

<li>The lightweight material is more prone to wind erosion, and this should be accounted for in the initial design, alternatives include erosion control blankets, soil tackifiers, or Sedum mats.  </li>

</ol>

</ol>