Zobrazeno 1 - 4
of 4
pro vyhledávání: '"John Grynderup Poulsen"'
Publikováno v:
Journal of Applied Ecology. 35:131-147
1. A study of skylark Alauda arvensis L. breeding ecology in relation to crop type was carried out from April to August 1992 on arable land in southern England. Set-aside land was included in this comparative study. 2. Territory density averaged 0·1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e284f22e0756c2aef2df9a24f345b090
https://doi.org/10.1046/j.1365-2664.1998.00289.x
https://doi.org/10.1046/j.1365-2664.1998.00289.x
Publikováno v:
Odderskær, P, Prang, A, Poulsen, J G, Andersen, P N & Elmegaard, N 1997, ' Skylark (Alauda arvensis) Utilisation of Micro-Habitats in Spring Barley Fields ', Agriculture, Ecosystems & Environment, vol. 62, pp. 21-29 .
Within-field habitat utilisation by skylarks Alauda arvensis was studied in spring barley crops by means of radio-tracking and visual sighting. Arthropod food abundance and dropping densities were monitored within three different micro-habitats. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b96ccdc7bbf264fa8c4b26902c2bbb5f
https://doi.org/10.1016/s0167-8809(96)01113-9
https://doi.org/10.1016/s0167-8809(96)01113-9
Autor:
John Grynderup Poulsen
Publikováno v:
Ibis. 138:525-531
I studied parental care and fledgling dispersion of Skylarks Alauda arvensis during the last 4 days of the nestling period and the first 4 days after the nestlings left the nest but before they were able to fly. The study compared parental care in th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e85e4b78d764a1d1dd5d60d0db26c1e
https://doi.org/10.1111/j.1474-919x.1996.tb08073.x
https://doi.org/10.1111/j.1474-919x.1996.tb08073.x
Publikováno v:
The Auk. 112:1070-1073
atics. Cambridge Univ. Press, Cambridge, Great Britain. MILLER, A. H., H. FRIEDMANN, L. GRISCOM, AND R. T. MOORE. 1957. Distributional check-list of the birds of Mexico, part 2. Pacific Coast Avifauna 33. OBERHOLSER, H. C. 1974. The bird life of Texa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8819033e4cdcafab1db9f3678f616543
https://doi.org/10.2307/4089046
https://doi.org/10.2307/4089046