Winter surveys at Hook-a-Gate

Hook-a-Gate has carried out Two OPAL surveys in the winter months within their grounds. The first survey was the Air survey on 6th December. The group used the trees within the centre grounds and although little was found on the tree trunks, a lot of the trees had the nitrogen tolerant Xanthoria and phycsia on the branches. Although most of the lichen recorded was nitrogen tolerant, a small amount of Hypogymnia, the nitrogen sensitive species, was found on one of the tree branches. The group also carried out the Climate survey on 13th December which was so cold and frosty some of the bubbles had started to freeze. Pupils did well carrying out the activities in such harsh conditions and more sessions are planned for 2013 so they continue their OPAL journey.


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