Other woodland types of potential wildlife value

Mixed plantations

image: Forestry Commission

Mixed plantations of broadleaves and conifers can be less valuable for wildlife than ancient semi-natural woods although this depends on the particular mix of species and the age and structure of the wood. There may be opportunities to enhance these woods for wildlife, for example by creating a more diverse structure with open glades and rides, promoting native species wherever possible rather than non-native, increasing the diversity of species, and retaining old, dead or dying trees. There are also some species which are strongly associated with small pockets of coniferous planting within mixed woodlands such as goldcrest, lesser redpoll and some birds of prey.

Plantations on Ancient Woodland Sites (PAWS)

image: Forestry Commission

PAWS is ancient woodland with most or all native trees cleared and usually non-native conifers (sometimes broadleaf) planted instead. Their value for wildlife depends on the ancient woodland features left. Current national policy is to restore PAWS to ancient woodland. Remnant ecological features often survive amongst the plantation including veteran trees, dead wood, species from the understorey and shrub layer, a range of native woodland indicator species and some of the complex soil communities. Restoration best practice has been developed which focuses on a two stage approach; identifying, protecting and enhancing the remnant features and then moving gradually towards a semi-natural composition through a staged thinning programme. For further information see the Forestry Commission PAWS Practice Guide, Woodland Trust restoration report, Woodland Trust PAWS restoration guidance 2005.

Conifer plantations

Commercially managed, non-native conifer woodlands are usually viewed as less valuable for wildlife than native broadleaved woodland as they lack the species diversity and structural variety. As the conifer stand develops, light levels reduce, suppressing ground flora and the environment becomes shadier and drier. However, it is possible to incorporate valuable features within them which will be beneficial to biodiversity. Open space, rides and glades can be managed to provide important butterfly habitats, scrub can be encouraged along the woodland and ride edges or old hedges within and around the wood retained as lines of trees which can act as habitat and corridors for species such as dormice. These areas can also help provide connectivity through the landscape. Areas which are hard to access for management purposes, often wet or steep land, can be left to develop old-growth or wet woodland features. Some mature individual conifers or small groups can be retained within the clearfell area to age and develop as standing deadwood. The initial regeneration stage after clearfell is valuable for many species as scrub and ground flora develop.

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