His primary areas of study are Ecology, Reproduction, Hatching, Avian clutch size and Eider. His work in Ecology tackles topics such as Paternal care which are related to areas like Parental investment. His Reproduction research is multidisciplinary, incorporating elements of Polychlorinated biphenyl and Brood.
His Brood research integrates issues from Fecundity and Seasonal breeder. His Avian clutch size research focuses on Precocial and how it relates to Egg incubation and Animal ecology. Kjell Einar Erikstad focuses mostly in the field of Eider, narrowing it down to topics relating to Incubation period and, in certain cases, Animal science.
Kjell Einar Erikstad spends much of his time researching Ecology, Zoology, Seabird, Predation and Fishery. His research in Avian clutch size, Eider, Nest, Reproduction and Hatching are components of Ecology. His research investigates the connection between Eider and topics such as Brood that intersect with problems in Parental investment.
Many of his research projects under Zoology are closely connected to Larus and Wing with Larus and Wing, tying the diverse disciplines of science together. His work in the fields of Seabird, such as Uria aalge, intersects with other areas such as Latitude. His Predation study combines topics in areas such as Trophic level, Abundance, Foraging and Larva.
His scientific interests lie mostly in Ecology, Seabird, Uria aalge, Fishery and Zoology. His works in Predation, Foraging, Seasonal breeder, Arctic and Trophic level are all subjects of inquiry into Ecology. His Seabird research is multidisciplinary, relying on both Abundance, Apex predator, Charadriiformes, Population size and Hatching.
His study looks at the relationship between Uria aalge and fields such as Uria lomvia, as well as how they intersect with chemical problems. His Fishery research incorporates elements of Circumpolar star and North sea. The study incorporates disciplines such as Melatonin, Diel vertical migration, Midnight sun and Circadian rhythm in addition to Zoology.
Kjell Einar Erikstad mostly deals with Ecology, Seabird, Predation, Seasonal breeder and Apex predator. His specific area of interest is Ecology, where Kjell Einar Erikstad studies Competition. His work carried out in the field of Seabird brings together such families of science as Range, Population density, Arctic, Fishery and Foraging.
His research in Predation intersects with topics in Trophic level, Climate change and Pelecaniformes. His studies deal with areas such as Kittiwake and Uria aalge as well as Seasonal breeder. His Apex predator study incorporates themes from Zoology, Abundance, Suliformes and Larva.
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Cost of reproduction in a long-lived bird: incubation effort reduces immune function and future reproduction.
Proceedings of The Royal Society B: Biological Sciences (2005)
SCALE-DEPENDENT PREDATOR–PREY INTERACTIONS: THE HIERARCHICAL SPATIAL DISTRIBUTION OF SEABIRDS AND PREY
ON THE COST OF REPRODUCTION IN LONG-LIVED BIRDS: THE INFLUENCE OF ENVIRONMENTAL VARIABILITY
Kjell Einar Erikstad;Per Fauchald;Torkild Tveraa;Harald Steen.
Costs of immunity: immune responsiveness reduces survival in a vertebrate
Proceedings of The Royal Society B: Biological Sciences (2004)
The effect of climate on adult survival in five species of North Atlantic seabirds
Journal of Animal Ecology (2005)
Evolutionary signals of selection on cognition from the great tit genome and methylome
Veronika N. Laine;Toni I. Gossmann;Kyle M. Schachtschneider;Kyle M. Schachtschneider;Colin J. Garroway.
Nature Communications (2016)
ECOLOGICAL EFFECTS OF ORGANOCHLORINE POLLUTANTS IN THE ARCTIC: A STUDY OF THE GLAUCOUS GULL
Ecological Applications (2003)
An Experimental Study of the Costs of Reproduction in the Kittiwake Rissa Tridactyla
Effect of wintering area and climate on the survival of adult Atlantic puffins Fratercula arctica in the eastern Atlantic
Marine Ecology Progress Series (2005)
Parental care in the common eider (Somateria mollissima): factors affecting abandonment and adoption of young
Canadian Journal of Zoology (1991)
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