Casini, Michele; Lövgren, Johan; Hjelm, Joakim et. al 2008 Multi-level trophic cascades in a heavily exploited open marine ecosystem Research article (Peer reviewed) DOI:10.1098/rspb.2007.1752
Hjelm, Joakim; Hultgren, Malin; Cardinale, Massimiliano 2006 Water uptake in herring (Clupea harengus) and sprat (Sprattus sprattus) as a function of area, salinity and fat content Research article (Peer reviewed) DOI:10.1016/j.fishres.2006.05.012
Cardinale, Massimiliano; Hjelm, Joakim 2006 Marine fish recruitment variability and climate indices Research article (Peer reviewed)
Casini, Michele; Cardinale, Massimiliano; Hjelm, Joakim 2006 Inter-annual variation in herring, Clupea harengus, and sprat, Sprattus sprattus, condition in the central Baltic Sea: what gives the tune? Research article (Peer reviewed) DOI:10.1111/j.0030-1299.2006.13860.x
Casini, Michele; Cardinale, Massimiliano; Hjelm, Joakim et. al 2005 Trends in cpue and related changes in spatial distribution of demersal fish species in the Kattegat and Skagerrak, eastern North Sea, between 1981 and 2003 Research article (Peer reviewed) DOI:10.1016/j.icesjms.2004.12.018
Johansson, Frank; Hjelm, Joakim; Giles, Barbara E. 2005 Life history and morphology of Rana temporaria in response to pool permanence Research article (Peer reviewed)
Hjelm, Joakim; Johansson, Frank 2003 Temporal variation in feeding morphology and size-structured population dynamics in fishes Research article (Peer reviewed) DOI:10.1098/rspb.2003.2376
Hjelm, Joakim; van de Weerd, Gerco H.; Sibbing, Ferdinand A. 2003 Functional link between foraging performance, functional morphology, and diet shift in roach (Rutilus rutilus) Research article (Peer reviewed) DOI:10.1139/F03-058
Hjelm, Joakim; Svanbäck, Richard; Byström, Pär et. al 2001 Diet-dependent body morphology and ontogenetic reaction norms in Eurasian perch Research article (Peer reviewed) DOI:10.1034/j.1600-0706.2001.950213.x
Hjelm, Joakim; Persson, Lennart 2001 Size-dependent attack rate and handling capacity: inter-cohort competition in a zooplanktivorous fish Research article (Peer reviewed) DOI:10.1034/j.1600-0706.2001.950317.x