The take up of tetrads in the first year of surveying has surpassed expectations. Over 47% of tetrads for our Berkshire Atlas were completed in the winter of 2007/08 and 42% in the breeding season. Of all the tetrads to be included in the Atlas 87% have already been assigned.
Winter TTVs completed (184). 47% completed
Breeding TTVs completed (163). 42% completed
TTVs allocated (341 out of 391). 87% assigned