Joakim Hjelm - Concepedia

Concepedia

Author

Joakim Hjelm

Swedish University of Agricultural Sciences ORCID

Also Known As

HJELM Joakim, Hjelm, Joakim, J. Hjelm, Joakim Hjelm

51

Publications

2.3K

Citations

21

H-Index

38

Concepts

All Affiliations

Swedish University of Agricultural Sciences Swedish National Board of Fisheries Umeå University Stockholm University Institute of Food Safety, Animal Health and Environment “BIOR”

JH

About

Joakim Hjelm is an author at Swedish University of Agricultural Sciences specializing in engineering, marine biology, and fisheries science.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	11	12	768
2	Natural Sciences	7	7	439
3	Business	5	5	128
4	Management	1	1	32
5	Medicine	1	1	18

Joakim Hjelm

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32

Publications

2.3K

Citations

21

H-Index

	Year	Citations
Trophic cascades promote threshold-like shifts in pelagic marine ecosystems Michele Casini, Joakim Hjelm, Juan‐Carlos Molinero, Proceedings of the National Academy of Sciences Trophic ImpactEngineeringBenthic-pelagic CouplingZooplankton EcologyPredation Pressure	2008	393
Multi-level trophic cascades in a heavily exploited open marine ecosystem Michele Casini, Johan Lövgren, Joakim Hjelm, Proceedings of the Royal Society B Biological Sciences	2008	344
Growth, morphological variation and ontogenetic niche shifts in perch (Perca fluviatilis) in relation to resource availability Joakim Hjelm, Lennart Persson, Bent T. Christensen Oecologia BiologyPerca FluviatilisNatural SciencesFishery ScienceEvolutionary Biology	2000	215
Hypoxic areas, density-dependence and food limitation drive the body condition of a heavily exploited marine fish predator Michele Casini, Filip Käll, Martin Hansson, Royal Society Open Science	2016	175
Eastern Baltic cod in distress: biological changes and challenges for stock assessment Margit Eero, Joakim Hjelm, Jane W. Behrens, ICES Journal of Marine Science	2015	147
Inter‐annual variation in herring, <i>Clupea harengus</i> , and sprat, <i>Sprattus sprattus</i> , condition in the central Baltic Sea: what gives the tune? Michele Casini, Massimiliano Cardinale, Joakim Hjelm Oikos	2006	125
Diet‐dependent body morphology and ontogenetic reaction norms in Eurasian perch Joakim Hjelm, Richard Svanbäck, Pär Byström, Oikos	2001	102
Regime shifts in exploited marine food webs: detecting mechanisms underlying alternative stable states using size-structured community dynamics theory Anna Gårdmark, Michele Casini, Magnus Huss, Philosophical Transactions of the Royal Society B Biological Sciences BiologyTrophic ImpactAlternative Stable StatesEngineeringTheoretical Ecology	2014	88
Functional link between foraging performance, functional morphology, and diet shift in roach (<i>Rutilus rutilus</i>) Joakim Hjelm, Gerco H. van de Weerd, Ferdinand A. Sibbing Canadian Journal of Fisheries and Aquatic Sciences BiologyFish SpeciesForagingFitnessSize-dependent Attack Rate	2003	60
Report of the Baltic Fisheries Assessment Working Group (WGBFAS), 10-17 April 2013, ICES Headquarters, Copenhagen Marie Storr‐Paulsen, Timo Arula, Mikaela Bergenius, Sustainable FisheriesFishery AssessmentEngineeringSustainable FisheryFishery Science	2013	54

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