Site impact summary for BucksCC HS2 Seminar word 97 to 2003

							HS2 route
Impacts Summary: Sites designated for nature conservation
importance.
All sites listed below are subject to either direct land loss or are located immediately
adjacent to the proposed route.
Other formally designated sites are present within 500m of the proposed route, but are
not referenced here for reasons of brevity.

For full details of all designated sites subject to impact, reasons for designation and
full details of impacts are available from the Berks, Bucks & Oxon Wildlife Trust
website at:
http://www.bbowt.org.uk/sites/bbowt.live.wt.precedenthost.co.uk/files/files/BBOWT%
20HS2%20Response%20Appendices.PDF
For further details please contact Heather Lewis, Senior Conservation Officer at the
Berks, Bucks and Oxon Wildlife Trust (01442 826774, heatherlewis@bbowt.org.uk)


Site designation glossary:
SSSI = Site of Special Scientific Interest. Site of national importance for nature
conservation. Protected by national legislation
LWS = Local Wildlife Site. Site of County Importance for nature conservation.
Protected by national planning policy.
BNS = Biological Notification Site. Site of County Importance for nature
conservation. Protected by national planning policy.
AW = Ancient Woodland. Continuously wooded since at least 1600. Irreplaceable
habitat for nature conservation. Protected by national planning policy.
BAP = Biodiversity Action Plan habitats. Subject to international convention and
UK policy.
BBOWT = Berks, Bucks & Oxon Wildlife Trust

Community      Designated      Formal site     Summary of impact on            Corresponding
Forum          site name       designation     designated site                 map no.
Colne          Mid-Colne       SSSI            Permanent impact on bird
Valley         Valley                          nesting / breeding and
                                               roosting as result of viaduct
               Tilehouse       BNS             Permanent impact on bird
               Gravel Pits                     nesting / breeding and
                                               roosting as result of viaduct
               Battlesford     AW              Direct land loss of ancient
               Wood                            woodland
The            River           Priority        Impacts on water quantity
Chalfonts,     Misbourne       BAP             and quality as a result of
Amersham                       habitat,        proposed tunnelling through
& Little                       chalk river     chalk aquifer.
Missenden      Shardeloes      LWS             Impacts on water quantity
             Lake                     and quality as a result of
                                      proposed tunnelling through
                                      chalk aquifer.
             Mantles         LWS & AW Substantial direct land loss of
             Wood                     ancient woodland
             Farthings       LWS & AW Substantial direct land loss of
             Wood                     ancient woodland
Great        Mantles         LWS & AW Substantial direct land loss of
Missenden,   Wood (on                 ancient woodland
South        boundary
Heath &      with previous
Wendover     Community
             Forum area)
             Farthings       LWS & AW Substantial direct land loss of
             Wood (on                 ancient woodland
             boundary
             with previous
             Community
             Forum area)
             Sibley’s        LWS & AW Substantial direct land loss of
             Coppice                  ancient woodland
             Jones’ Hill     AW       Substantial direct land loss of
             Wood                     ancient woodland
             Wendover        BNS      Direct land loss of species
             Rifle Range              rich grassland
             Grassland       BNS      Direct land loss of species
             between                  rich grassland
             railway and
             A41
Stoke        Aylesbury       LWS          Permanent impact on bird
Mandeville   Sewage                       nesting / breeding and
&            Works                        roosting as result of viaduct.
Aylesbury
          River              BNS          Potential hydrological
          Thames                          impacts on this riverine and
          South East of                   floodplain habitat.
          Putlowes
Waddesdon Grendon and        LWS       Direct land loss of species
&         Doddershall                  rich grassland.
Quainton  Meadows                      Impacts of hydrology of
                                       wetland areas.
             Finemere        SSSI, AW, Direct land loss of species
             Wood            BBOWT     rich grassland within
                             nature    BBOWT reserve area.
                             reserve   Loss of habitat buffer for
                                       SSSI / AW area.
             Sheephouse      SSSI & AW Likely direct land loss of
             Wood                      ancient woodland.
             Decoy Pond      LWS & AW Likely direct land loss of
                                      ancient woodland
Calvert,     Decoy Pond      LWS & AW Likely direct land loss of
Twyford &    (on boundary             ancient woodland
Chetwode     with previous
             Community
             Forum area).
             Calvert       LWS            Direct land loss of species
             Railway                      rich wet grassland habitats
             Station
             Calvert       LWS &          Direct land loss of species
             Jubilee       BBOWT          rich grassland and scrub
                           nature         habitats.
                           reserve        Permanent impact on bird
                                          nesting / breeding and
                                          roosting as result of train
                                          route, proposed road
                                          realignment and proposed
                                          maintenance depot.
             Grebe Lake      LWS          Potential for direct land loss
                                          through proposed road
                                          realignments.
                                          Permanent impact on bird
                                          nesting / breeding and
                                          roosting as result of adjacent
                                          route and proposed
                                          maintenance depot.
             West of         BNS          Direct land loss of species
             Three Bridge                 rich wet grassland habitats.
             Mill
             Railway         BNS          Direct land loss of species
             Cutting                      rich grassland and hedge
             North of                     habitats
             Twyford
             Abandoned       BNS          Substantial direct land loss of
             railway north                species rich grassland and
             of Chetwode                  scrub habitats
             Barton          LWS          Direct land loss of wet fen /
             Hartshorn                    grassland habitats.
             Railway                      Direct impact on hydrology
             Wood                         on which the designated
                                          species are reliant.
Newton       Turweston       LWS          Direct land loss of wet fen /
Purcell to   Manor                        grassland habitats.
Brackley     Grassland                    Direct impact on hydrology
                                          on which the designated
                                          species are reliant.