@misc{Kartanas_Edmund_Energy_1990,
 author={Kartanas, Edmund},
 editor={Polska Akademia Nauk. Instytut Ekologii},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 howpublished={online},
 year={1990},
 language={eng},
 abstract={Quantitative studies of breeding avifauna have been conducted in eight sample areas delimited in different habitats of the agricultural landscape of the region of Toruń (crop fields, tree-lined field roads, village area, forest-adjoining fields). The results show great variation in the breeding bird communities of the habitats under study. The number of species ranged from 2 to 32, and the density from 5.3 to 215.6 pairs · 10 ha-1. On the basis of the results of quantitative studies estimates have been made of the energy flow through the bird communities (assimilation), as well as of the remaining elements of their energy balance: respiration, production, consumption and excreta.},
 title={Energy flow through breeding bird communities of selected habitats of the agricultural landscape},
 type={Text},
 URL={http://www.rcin.org.pl/Content/81778/PDF/WA058_88117_P2840-T37_Eko-Pol-A-Nr-1-2.pdf},
 volume={37},
 number={1-2},
 journal={Ekologia Polska},
 publisher={Polish Scientific Publishers},
 keywords={agrocenosis, breeding bird communities, density, energy balance},
}