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Professional and Consultancy Services

Cormorant: Photo Colin VarndellIMPACT STUDIES

The BTO undertakes large-scale studies of populations of species whose numbers are increasing and coming into conflict with man (e.g. Cormorants and Canada Geese) or species that live in association with man (Starlings, House Sparrows, Pigeons and Gulls).  We are also able to provide independent, specific advice on potential bird hazzards to engineers and designers of new constructions and developments.

Examples of studies and consultations include:

  • Recovery of Waterfowl following the Sea Empress Oil Spill.  A study monitoring the distribution of feeding and roosting waders and wildfowl throughout the tidal cycle on four intertidal sites, two oiled and two non-oiled for Countryside Council for Wales.
  • Survival of Rehabilitated Guillemots.  A project analysing natural ringing recoveries and rehabilitated recoveries of Guillemots to compare overall rates of survival and see how rates of both have changed over time for Countryside Council for Wales.
  • Fish-eating Birds  A study of the effectiveness of management measures to control damage by fish-eating birds to inland fisheries in England and Wales carried out for Central Science Laboratory, funded by Ministry of Agriculture, Fisheries and Food.
  • Population Dynamics of Canada Geese.  The production of a detailed model of British Canada Goose populations used to predict the effectiveness of different types of measures for the control of the species for Department of the Environment, Transport and the Regions.
  • Monitoring on Findhorn Bay.  A project to establish which areas within Findhorn Bay are important for feeding and roosting waterbirds and identify where these coincide with human disturbance.  Carried out in order to set conservation management objectives which minimise human disturbance to wintering birds, undertaken for Scottish Natural Heritage.
  • Breeding Birds in Oilseed Rape.  A study of birds in oilseed rape to determine the effects of pre-harvest operations and to determine the nesting period for birds, for Zeneca Agrochemicals.
  • Bird Interactions with Powerlines.  A study on the flight paths used by different bird species and whether these coincide with the height of transmission lines and collision frequency, for National Power plc.
  • Duddon Ornithological Assessment.  As assessment of post-construction effects of a new gas pipeline across the Duddon estuary in relation to waterfowl distribution and feeding behaviour for British Gas plc.
  •  Millennium Bridge. Assessment of any likely negative bird impacts on a new foot bridge in London over the Thames working with the design team to minimise the risks, for Foster and Partners.
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© British Trust for Ornithology
BTO, The Nunnery, Thetford, Norfolk IP24 2PU
Tel: +44 (0)1842 750050 Fax: +44 (0)1842 750030 Email: info@bto.org
Registered Charity Number 216652. This page last updated: 27 February, 2006