>
      <th>nodeid</th>
      <td><p>the OBIS node identifier.</p></td>
    </tr>
    <tr>
      <th>areaid</th>
      <td><p>the OBIS area identifier.</p></td>
    </tr>
    <tr>
      <th>startdate</th>
      <td><p>the earliest date on which occurrence took place.</p></td>
    </tr>
    <tr>
      <th>enddate</th>
      <td><p>the latest date on which the occurrence took place.</p></td>
    </tr>
    <tr>
      <th>startdepth</th>
      <td><p>the minimum depth below the sea surface.</p></td>
    </tr>
 