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Below are some examples of projects that Sheaf Ecology staff members have worked on recently
Artificial bat hibernacula installation under Natural England licensing
As part of the implementation of a cycleway in South Yorkshire, a disused railway cutting had to be partial re-graded to allow disability access. Numerous potential bat roosts were to be lost during this operation. A development licence for bats was obtained and a programme of exclusion was conducted to ensure no bats were harmed in later construction activites. In order to compensate for the loss of these potential roosts a custom built artificial bat hibernacula was installed into the gradient prior to construction works being finalised.
Habitat creation works for great crested newt and water vole under Natural England licensing
In order for a road widening scheme to proceed in South Yorkshire, Natural England required the creation of an Ecological Compensation Area to provide habitat for both great crested newts and water voles that were found in numerous ponds and ditches around the development area. Sheaf Ecology staff members (and associates) designed the scheme and provided ecological clerk of works supervision to create the ponds, ditches and wetlands including seed mixes, coir matting for rapid establishment of aquatic plants and tree-planting.
Great crested newt - pitfall trapping
Prior to the creation of the Ecological Compensation Area work described above, the area had to cleared of any great crested newts before any habitat creation works could begin. Great crested newt licensed Sheaf Ecology staff (and associates) were required under Natural England licensing to check several hundred pitfall traps on a daily basis for a number of weeks to ensure no wildlife would be harmed once the works began.
The photograph shows a great crested newt found from one of the pitfall traps on the daily checks.
Japanese knotweed treatment, removal and installation of root-barrier
In order to proceed with a development, Japanese knotweed which was growing within close proximity of the footprint of the building required removal. This was a challenging site as it was next to the River Thames and flooded on a regular basis.The Japanese knotweed was carefully removed using an ecological clerk of works supervision methodology which enabled the developer to massively reduce the overall volume of Japanese knotweed contaminated spoil from the site. Finally in order to protect the site from Japanese knotweed that was growing within the adjoining hedge, a root-barrier was installed along the length of the site.
Ancient woodland surveys with database creation and GIS mapping
On a project for Natural England in the Lake District, Sheaf Ecology staff members complied a database of ancient woodlands in and around the Bassenthwaite area. The project involved working with local groups to use previously known ancient woodland information combined with desk-based study and fresh field work to map previously unknown ancient woodland strips. A database was created for the project which allowed the data-sets to be exported into GIS software for visual mapping and landscape analysis.
ANABAT remote bat survey recording
As part of a wide range of ecological surveys for proposed development work in Derbyshire which would require the removal of a woodland block, Sheaf Ecology staff members conducted numerous bat surveys in and around the woodland to determine the level of use by bats. In order to acquire a larger data-set of bat activity, an Anabat bat detector was placed high in the canopy of the trees by Sheaf Ecology certified tree-climbers. This allowed data to be recorded over a period of several days without the need or cost of bat surveyors on-site.

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