Population structure of pierid butterflies Ward B. WattFrances S. ChewDavid E. Rothschild OriginalPaper Pages: 1 - 22
Foraging niche dynamics and overlap in a guild of passerine birds in a south Swedish coniferous woodland S. Ulfstrand OriginalPaper Pages: 23 - 45
Characteristics of tree bark as an indicator in high-immission areas W. LötschertH.-J. Köhm OriginalPaper Pages: 47 - 64
The uptake of lead, zinc, cadmium, and copper by the pulmonate mollusc, Helix aspersa muller, and its relevance to the monitoring of heavy metal contamination of the environment P. J. CoughtreyM. H. Martin OriginalPaper Pages: 65 - 74
Prey depletion and foraging strategy in the Oystercatcher Haematopus ostralegus R. J. O'ConnorR. A. Brown OriginalPaper Pages: 75 - 92
Correlation between the feeding time of the pike (Esox lucius) and the dispersion of a school of Leucaspius delineatus Elisabeth Dobler OriginalPaper Pages: 93 - 96