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What we can and can't/won't do
The following overview of the state of the stream restoration art is courtesy of Craig Fischenich, and is excerpted from his presentation at the NCED Stream Restoration Group Partner's Meeting at NCED headquarters in February, 2005.

We Can

We Don’t  or Won’t

Characterize evolutionary changes in streams

Determine when they will occur or quantify magnitudes

Develop sophisticated analytical tools and models

Get them into practice

Identify specific causal mechanisms of disturbance

Assess the cumulative effects of multiple causes

Optimize habitat for a particular species or guild

Optimize habitat for a community across trophic levels

Determine when they will occur or quantify magnitude

Allow for a full range of dynamic processes

Get practitioners to use them

Relate these to meaningful standards or metrics

Assess the cumulative effects of multiple causes

Ensure that they are appropriate or functional

Optimize habitat for a community across trophic levels

Fully restore both the form and function of most systems to pre-disturbance

Identify broad ecosystems in need of restoration

Execute comprehensive, integrated restoration over large spatial areas

Develop monitoring plans

Fund and execute monitoring plans

Use multi-disciplinary approaches in design

Use inter-disciplinary approaches in design

Acknowledge risk and uncertainty

Quantify and manage risk and uncertainty