wn as assumed zeroes) now require, on average,
across the up-to 100 models in the ensemble, 0.5% of 3km grid cells
filled with at least 1 checklist for a given week to be reported as
zero. Previously, this was 0.1% of 3km grid cells. This has been
adjusted to offer a more appropriately conservative representation of
where absence can be assumed based on overall data volume.</li>
<li>ADDED: Locations (3km grid cells) with less than a 0.5% mean site
selection probability are now masked out of the final data p