e> 16 stations)
of average 0-5 m chlorophyll <em>a</em> concentrations calculated from the
data in <code>sfbay</code>.</p>
    </div>
    <div id="source">
    <h2>Source</h2>
    <p>Downloaded from USGS on 2009-11-17.</p>
    </div>
    <div id="details">
    <h2>Details</h2>
    <p>The original downloaded dataset was modified by taking a subset of six
well-sampled stations and the period 1985--2004. Variable names were also
simplified. The data frames <code>sfbayStns</code> and <code>sfbayVars</code> desc