M
Martin Hartvig
Researcher at University of Copenhagen
Publications - 13
Citations - 1109
Martin Hartvig is an academic researcher from University of Copenhagen. The author has contributed to research in topics: Trophic level & Population. The author has an hindex of 11, co-authored 13 publications receiving 927 citations. Previous affiliations of Martin Hartvig include Lund University & Technical University of Denmark.
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Journal ArticleDOI
Universal temperature and body-mass scaling of feeding rates.
Björn C. Rall,Ulrich Brose,Martin Hartvig,Martin Hartvig,Gregor Kalinkat,Gregor Kalinkat,Florian Schwarzmüller,Olivera Vucic-Pestic,Owen L. Petchey +8 more
TL;DR: These body-mass- and temperature-scaling models remain useful as a mechanistic basis for predicting the consequences of warming for interaction strengths, population dynamics and network stability across communities differing in their size structure.
Journal ArticleDOI
Food web framework for size-structured populations.
TL;DR: The framework allows food web models to include ontogenetic growth and life-history omnivory at the individual level by resolving the population structure of each species as a size-spectrum by synthesising traditional unstructured food webs, allometric body size scaling, trait-based modelling, and physiologically structured modelling.
Journal ArticleDOI
Characteristic Sizes of Life in the Oceans, from Bacteria to Whales*
Ken Haste Andersen,Terje Berge,Rodrigo J. Gonçalves,Martin Hartvig,Martin Hartvig,Martin Hartvig,Jan Heuschele,Samuel Hylander,Samuel Hylander,Nis Sand Jacobsen,Christian Lindemann,Erik A. Martens,Erik A. Martens,Anna B. Neuheimer,Anna B. Neuheimer,Anna B. Neuheimer,Karin H. Olsson,Artur Palacz,A. E. F. Prowe,A. E. F. Prowe,Julie Sainmont,Sachia J. Traving,André W. Visser,Navish Wadhwa,Thomas Kiørboe +24 more
TL;DR: This work collate and review data on size-based scaling laws for resource acquisition, mobility, sensory range, and progeny size for all pelagic marine life, from bacteria to whales, and divides life in the ocean into seven major realms based on trophic strategy, physiology, and life history strategy.
Journal ArticleDOI
Predicting the consequences of species loss using size-structured biodiversity approaches.
Ulrich Brose,Julia L. Blanchard,Anna Eklöf,Núria Galiana,Martin Hartvig,Martin Hartvig,Martin Hartvig,Myriam R. Hirt,Gregor Kalinkat,Gregor Kalinkat,Marie C. Nordström,Eoin J. O'Gorman,Björn C. Rall,Florian D. Schneider,Elisa Thébault,Ute Jacob +15 more
TL;DR: It is argued that it is crucial to take into account body size as a species trait when analysing the consequences of biodiversity loss for natural ecosystems.
Journal ArticleDOI
Overconfidence in model projections
TL;DR: In this paper, Brander et al. presented an analysis of the effects of ocean acidification on ocean ecology and its role in global climate change, using data from the National Institute of Aquatic Resources (DTU-Aqua).