@misc{Makulec_Grzegorz_Density_1997,
 author={Makulec, Grzegorz},
 editor={Polska Akademia Nauk. Instytut Ekologii},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Dziekanów Leśny},
 howpublished={online},
 year={1997},
 language={eng},
 abstract={Research involved three successional sequences on meadows in Suwałki Landscape Park (north-eastern Poland). 2-6 species of Lumbricidae were found on the different sites, with older meadows having a greater abundance and biomass of earthworms. The two dominant species were Aporrectodea caliginosa (Sav.) and Lumbricus rubellus Hoffm.},
 title={Density and biomass of earthworms (Lumbricidae) on leys and permanent meadows},
 type={Text},
 URL={http://www.rcin.org.pl/Content/87971/PDF/WA058_90458_P2840-T45_Eko-Pol-A-Nr-3-4.pdf},
 volume={45},
 number={3-4},
 journal={Ekologia Polska},
 publisher={Oficyna Wydawnicza Instytutu Ekologii PAN},
 keywords={Lumbricidae, soil, meadows},
}