| The
fieldwork on sawbill counts was done with the assistance
of K. Duncan, S. Rae, A.J. Leitch, K. Nelson and G.
Alexander. Fieldwork to collect nesting data was done
with the assistance of N. Cook, and D. Riddell helped
with laboratory work. We additionally thank the riparian
owners of the Rivers Dee and North Esk for ready access
to study sites, and the Dee Fishery Board and Joseph
Johnston and Sons Ltd, for information on the birds
killed by fisheries managers on these rivers. We are also
grateful to the various District Salmon Fishery Boards,
and proprietors and tenants for their permission to carry
out the fish survey work and population manipulations,
and to our colleagues in this work, notably D. Stewart
and C. West. Thanks also to S. Finney for help in
producing the final Excel figures. Finally, we thank
Professors S. Albon and M.P. Harris and A.D. Hawkins for
useful discussion about the work and critical comment on
the manuscript. |