What are the main factors affecting woodland diversity?

Asked on 05.01.2019 in All Questions.
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(Top Tutor) Studyfaq Tutor
Woodland trees are dying at an increasingly alarming rate due to rising numbers of pests and pathogens damaging the trees. Some of the more commonly associated, and more damaging pathogens affecting these are Phytophthoras and Chalara. Phytophthoras is a genus of Oomycetes and is the name given to a large group of pathogens which most frequently affects Larch and Rhododendron. It spreads by water-based spores between soil particles in short distances but can produce longer-lasting spores from the roots of decaying, infected trees which will infect an entire area. Symptoms of the disease include wilting, sparse foliage and branch dieback along with deteriorating roots. Chiara ash dieback affects Ash trees and is...
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