Raymond H. G. Klaassen focuses on Ecology, Biological sciences, Satellite tracking, Climate change and Satellite telemetry. His study in Bird migration and Annual cycle falls within the category of Ecology. His Bird migration research includes elements of Foraging and Habitat.
Borrowing concepts from Marsh harrier, Raymond H. G. Klaassen weaves in ideas under Satellite tracking. The concepts of his Climate change study are interwoven with issues in Abundance, Resource and Songbird. His research integrates issues of Animal migration, Direct evidence, Total mortality and Annual variation in his study of Satellite telemetry.
Raymond H. G. Klaassen mostly deals with Ecology, Foraging, Habitat, Bird migration and Annual cycle. By researching both Ecology and Biological sciences, he produces research that crosses academic boundaries. The study incorporates disciplines such as Circus pygargus, Spatial heterogeneity and Nest in addition to Foraging.
His Habitat research includes themes of Harrier and Biodiversity. As a member of one scientific family, Raymond H. G. Klaassen mostly works in the field of Bird migration, focusing on Fishery and, on occasion, Gallinago. His Annual cycle research is multidisciplinary, incorporating elements of Overwintering, Environmental change, Seasonality, Passerine and Normalized Difference Vegetation Index.
His main research concerns Ecology, Habitat, Foraging, Range and Phenology. Ecology is a component of his Climate change, Wader, Threatened species, Food availability and Avian clutch size studies. His Climate change research is multidisciplinary, relying on both Snow and Phalaropus lobatus.
Raymond H. G. Klaassen has included themes like Invertebrate, Biodiversity, Vegetation and Temperate climate in his Habitat study. His Foraging study incorporates themes from Flyway and Fishery. His Range research integrates issues from Animal migration, Annual cycle and Lanius collurio, Shrike.
Raymond H. G. Klaassen mainly investigates Habitat, Renewable energy, Circus pygargus, Meteorology and Population size. His Habitat research is classified as research in Ecology. Renewable energy is connected with Repowering, Turbine and Range in his research.
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When and where does mortality occur in migratory birds? Direct evidence from long- term satellite tracking of raptors
Raymond H. G. Klaassen;Raymond H. G. Klaassen;Mikael Hake;Roine Strandberg;Ben J. Koks.
Journal of Animal Ecology (2014)
Differences in Speed and Duration of Bird Migration between Spring and Autumn.
Cecilia Nilsson;Raymond H. G. Klaassen;Thomas Alerstam.
The American Naturalist (2013)
Geolocation by light: accuracy and precision affected by environmental factors
Simeon Lisovski;Chris M. Hewson;Raymond Klaassen;Fraenzi Korner-Nievergelt.
Methods in Ecology and Evolution (2012)
Animal Orientation Strategies for Movement in Flows
Jason W. Chapman;Raymond H.G. Klaassen;V. Alistair Drake;V. Alistair Drake;Sabrina Fossette.
Current Biology (2011)
The annual cycle of a trans-equatorial Eurasian–African passerine migrant: different spatio-temporal strategies for autumn and spring migration
Anders P. Tøttrup;Raymond H. G. Klaassen;Roine Strandberg;Kasper Thorup.
Proceedings of The Royal Society B: Biological Sciences (2012)
Individuality in bird migration: routes and timing
Yannis Vardanis;Raymond H. G. Klaassen;Roine Strandberg;Thomas Alerstam.
Biology Letters (2011)
Resource tracking within and across continents in long-distance bird migrants
Kasper Thorup;Anders P. Tøttrup;Mikkel Willemoes;Raymond H. G. Klaassen.
Science Advances (2017)
Migration Routes and Strategies in a Highly Aerial Migrant, the Common Swift Apus apus, Revealed by Light-Level Geolocators.
Susanne Åkesson;Raymond Klaassen;Jan Holmgren;James W. Fox.
PLOS ONE (2012)
Drought in Africa caused delayed arrival of European songbirds.
A. P. Tottrup;Raymond Klaassen;Raymond Klaassen;Mikkel Willemoes Kristensen;Roine Strandberg.
How hazardous is the Sahara Desert crossing for migratory birds? Indications from satellite tracking of raptors
Roine Strandberg;Raymond H. G. Klaassen;Mikael Hake;Thomas Alerstam.
Biology Letters (2010)
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