Defra have published, alongside the EFS consultation paper, a "Review of
the
Evidence Base for Forestry Policy". It includes a section on biodiversity
which
(as Matthew suggests) draws on information collected by English Nature.
Relevant link is below but, be warned, the report totals 119 pages.
http://www.defra.gov.uk/corporate/consult/forestry-strategy/review-evidence.pdf
Once again, thank you Julie for this helpful input and Chris and sponsors
for keeping UKTC going - what a resource.
If you don't want to read all 119 pages the biodiverstiy bit is on page 59
of the 119 pdf pages, section 5.3.2, under "Forest habitats".
Briefly it cites as negatively impacting on biodiversity:-
livestock overgrazing (uplands only), deer grazing and browsing (affects
ground flora and birds), woodland management (mostly lack of - esp
coppicing following decline in demand for coppice products), consequent
shading of rides, loss of open space, loss of early succession stage, lack
of regen, lack od dead wood, disease build-u (e.g. Ustulina), non-native
invasive species, encroachment of urban impacts (e.g. dumping).
Jerry D
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