L.R. Griffen, D. Skilling, R.T. Smith and J.G. Young
The Rookeries of Dumfriesshire 2003. Including comparisons with the Surveys of 1908, 1921, 1963, 1975, 1993 and 2004
Ornithology, Zoology, Recent (Social)
TDGNHAS Series III, 78 (2004), 1(4.91 MB)
Abstract
The 2003 Dumfriesshire Rookery census has revealed that since 1993, the number of nests has fallen from 25,489 to 17,853, a decline of 30%. Earlier surveys in 1908, 1921 and 1963 had indicated a relatively stable population. Subsequent censuses in 1973, 1