Prof Marcel Klaassen

The adequacy of aging techniques in vertebrates for rapid estimation of population mortality rates from age distributions

M Zhao, C Klaassen, S Lisovski, M Klaassen

(2019), Vol. 9, pp. 1394-1402, Ecology and evolution, Chichester, Eng., C1

Extreme competence: keystone hosts of infections

Lynn Martin, BriAnne Addison, Andrew Bean, Katherine Buchanan, Ondi Crino, Justin Eastwood, Andrew Flies, Rodrigo Hamede, Geoffrey Hill, Marcel Klaassen, Rebecca Koch, Johanne Martens, Constanza Napolitano, Edward Narayan, Lee Peacock, Alison Peel, Anne Peters, Nynke Raven, Alice Risely, Michael Roast, Lee Rollins, Manuel Ruiz-Aravena, Dan Selechnik, Helena Stokes, Beata Ujvari, Laura Grogan

(2019), Vol. 34, pp. 303-314, Trends in ecology & evolution, Amsterdam, The Netherlands, C1

Meta-transcriptomics reveals a diverse antibiotic resistance gene pool in avian microbiomes

Vanessa Marcelino, Michelle Wille, Aeron Hurt, Daniel Gonz�lez-Acu�a, Marcel Klaassen, Timothy Schlub, John-Sebastian Eden, Mang Shi, Jonathan Iredell, Tania Sorrell, Edward Holmes

(2019), Vol. 17, BMC biology, London, Eng., C1

Migratory animals feel the cost of getting sick: a meta-analysis across species

A Risely, M Klaassen, B Hoye

(2018), Vol. 87, pp. 301-314, Journal of animal ecology, Chichester, Eng., C1

Body size shapes inter-specific migratory behaviour: evidence from individual tracks of long-distance migratory shorebirds

M Zhao, M Christie, J Coleman, C Hassell, K Gosbell, S Lisovski, C Minton, M Klaassen

(2018), Vol. 49, Journal of avian biology, Chichester, Eng., C1

Genetic diversity, inbreeding and cancer

B Ujvari, M Klaassen, N Raven, T Russell, M Vittecoq, R Hamede, F Thomas, T Madsen

(2018), Vol. 285, pp. 1-8, Proceedings of the Royal Society B: biological sciences, London, Eng., C1

Turning natural adaptations to oncogenic factors into an ally in the war against cancer

M Vittecoq, M Giraudeau, T Sepp, D Marcogliese, M Klaassen, F Renaud, B Ujvari, F Thomas

(2018), Vol. 11, pp. 836-844, Evolutionary applications, Chichester, Eng., C1

Detection and characterisation of coronaviruses in migratory and non-migratory Australian wild birds

A Chamings, T Nelson, J Vibin, M Wille, M Klaassen, S Alexandersen

(2018), Vol. 8, pp. 1-10, Scientific reports, London, Eng., C1

Live bird markets in Bangladesh as a potentially important source for avian influenza virus transmission

M Hassan, M Ahasanul Hoque, B Ujvari, M Klaassen

(2018), Vol. 156, pp. 22-27, Preventive veterinary medicine, Amsterdam, The Netherlands, C1

The roles of migratory and resident birds in local avian influenza infection dynamics

S Lisovski, J van Dijk, D Klinkenberg, B Nolet, R Fouchier, M Klaassen

(2018), Vol. 55, pp. 2963-2975, Journal of applied ecology, Chichester, Eng., C1

Metagenomics detection and characterisation of viruses in faecal samples from Australian wild birds

Jessy Vibin, Anthony Chamings, Fiona Collier, Marcel Klaassen, Tiffanie Nelson, Soren Alexandersen

(2018), Vol. 8, pp. 1-23, Scientific reports, London, Eng., C1

Virus-virus interactions and host ecology are associated with RNA virome structure in wild birds

Michelle Wille, John-Sebastian Eden, Mang Shi, Marcel Klaassen, Aeron Hurt, Edward Holmes

(2018), Vol. 27, pp. 5263-5278, Molecular ecology, Chichester, Eng., C1

A divergent hepatitis D-like agent in birds

Michelle Wille, Hans Netter, Margaret Littlejohn, Lilly Yuen, Mang Shi, John-Sebastian Eden, Marcel Klaassen, Edward Holmes, Aeron Hurt

(2018), Vol. 10, Viruses, Basel, Switzerland, C1

An experimental examination of interindividual variation in feather corticosterone content in the house sparrow, Passer domesticus in southeast Australia

Y Aharon-Rotman, K Buchanan, M Klaassen, W Buttemer

(2017), Vol. 244, pp. 93-100, General and comparative endocrinology, Amsterdam, The Netherlands, C1

Setting conservation priorities for migratory networks under uncertainty

K Dhanjal-Adams, M Klaassen, S Nicol, H Possingham, I Chad�s, R Fuller

(2017), Vol. 31, pp. 646-656, Conservation biology, Chichester, Eng., C1

Geographic variation in seasonality and its influence on the dynamics of an infectious disease

S Lisovski, B Hoye, M Klaassen

(2017), Vol. 126, pp. 931-936, Oikos, London, Eng., C1

Eggs brought in from afar: svalbard-breeding pink-footed geese can fly their eggs across the Barents Sea

M Klaassen, S Hahn, H Korthals, J Madsen

(2017), Vol. 48, pp. 173-179, Journal of avian biology, Chichester, Eng., C1

Purifying selection and concerted evolution of RNA-sensing toll-like receptors in migratory waders

N Raven, S Lisovski, M Klaassen, N Lo, T Madsen, S Ho, B Ujvari

(2017), Vol. 53, pp. 135-145, Infection, genetics and evolution, Amsterdam, The Netherlands, C1

Are poultry or wild birds the main reservoirs for avian influenza in Bangladesh?

M Hassan, M Hoque, N Debnath, M Yamage, M Klaassen

(2017), Vol. 14, pp. 490-500, Ecohealth, Berlin, Germany, C1

Gut microbiota of a long-distance migrant demonstrates resistance against environmental microbe incursions

A Risely, D Waite, B Ujvari, M Klaassen, B Hoye

(2017), Vol. 26, pp. 5842-2854, Molecular ecology, London, Eng., C1

Seasonal reproductive tactics: annual timing and the capital-to-income breeder continuum

C Williams, M Klaassen, B Barnes, C Buck, W Arnold, S Giroud, S Vetter, T Ruf

(2017), Vol. 372, pp. 1-12, Philosophical Transactions of the Royal Society B: Biological Sciences, London, Eng., C1

Active migration is associated with specific and consistent changes to gut microbiota in Calidris shorebirds

A Risely, D Waite, B Ujvari, B Hoye, M Klaassen

(2017), pp. 1-23, Journal of animal ecology, Chichester, Eng., C1

Time versus energy minimization migration strategy varies with body size and season in long-distance migratory shorebirds

M Zhao, M Christie, J Coleman, C Hassell, K Gosbell, S Lisovski, C Minton, M Klaassen

(2017), Vol. 5, pp. 1-12, Movement ecology, London, Eng., C1

Avian influenza infection dynamics under variable climatic conditions, viral prevalence is rainfall driven in waterfowl from temperate, south-east Australia

M Ferenczi, C Beckmann, S Warner, R Loyn, K O'Riley, X Wang, M Klaassen

(2016), Vol. 47, pp. 1-12, Veterinary research, London, Eng., C1

Migration strategy and pathogen risk: non-breeding distribution drives malaria prevalence in migratory waders

N Clark, S Clegg, M Klaassen

(2016), Vol. 125, pp. 1358-1368, OIKOS, London, Eng., C1

Sex-specific arrival times on the breeding grounds: hybridizing migratory skuas provide empirical support for the role of sex ratios

S Lisovski, A Fr�hlich, M von Tersch, M Klaassen, H Peter, M Ritz

(2016), Vol. 187, pp. 532-539, The American naturalist, Chicago, Ill., C1

Body shrinkage due to Arctic warming reduces red knot fitness in tropical wintering range

J van Gils, S Lisovski, T Lok, W Meissner, A O?arowska, J de Fouw, E Rakhimberdiev, M Soloviev, T Piersma, M Klaassen

(2016), Vol. 352, pp. 819-821, Science, Washington, D.C., C1

Movement patterns of Sanderling (Calidris alba) in the East Asian-Australasian Flyway and a comparison of methods for identification of crucial areas for conservation

S Lisovski, K Gosbell, M Christie, B Hoye, M Klaassen, I Stewart, A Taysom, C Minton

(2016), Vol. 116, pp. 168-177, Emu: austral ornithology, Clayton, Vic, C1

A chain is as strong as its weakest link: assessing the consequences of habitat loss and degradation in a long-distance migratory shorebird

Y Aharon-Rotman, S Bauer, M Klaassen

(2016), Vol. 116, pp. 199-207, Emu: Austral ornithology, Clayton, Vic., C1

Hampered performance of migratory swans: intra- and inter-seasonal effects of avian influenza virus

B Hoye, V Munster, N Huig, P de Vries, K Oosterbeek, W Tijsen, M Klaassen, R Fouchier, J van Gils

(2016), Vol. 56, pp. 317-329, Integrative and comparative biology, Oxford, England, C1

Why fly the extra mile? Using stress biomarkers to assess wintering habitat quality in migratory shorebirds

Y Aharon-Rotman, K Buchanan, N Clark, M Klaassen, W Buttemer

(2016), Vol. 182, pp. 385-395, Oecologia, Berlin, Germany, C1

Seed dispersal potential by wild mallard duck as estimated from digestive tract analysis

E Kleyheeg, M Klaassen, M Soons

(2016), Vol. 61, pp. 1746-1758, Freshwater biology, Chichester, Eng., C1

Why fly the extra mile? Latitudinal trend in migratory fuel deposition rate as driver of trans-equatorial long-distance migration.

Y Aharon-Rotman, K Gosbell, C Minton, M Klaassen

(2016), Vol. 6, pp. 6616-6624, Ecology and evolution, Chichester, Eng., C1

Unexpected diversity in socially synchronized rhythms of shorebirds

M Bulla, M Valcu, A Dokter, A Dondua, A Kosztol�nyi, A Rutten, B Helm, B Sandercock, B Casler, B Ens, C Spiegel, C Hassell, C K�pper, C Minton, D Burgas, D Lank, D Payer, E Loktionov, E Nol, E Kwon, F Smith, H Gates, H Vitnerov�, H Pr�ter, J Johnson, J St Clair, J Lamarre, J Rausch, J Reneerkens, J Conklin, J Burger, J Liebezeit, J B�ty, J Coleman, J Figuerola, J Hooijmeijer, J Alves, J Smith, K Weidinger, K Koivula, K Gosbell, K Exo, L Niles, L Koloski, L McKinnon, L Praus, M Klaassen, M Giroux, M Sl�decek, M Boldenow, M Goldstein, M ?�lek, N Senner, N R�nk�, N Lecomte, O Gilg, O Vincze, O Johnson, P Smith, P Woodard, P Tomkovich, P Battley, R Bentzen, R Lanctot, R Porter, S Saalfeld, S Freeman, S Brown, S Yezerinac, T Sz�kely, T Montalvo, T Piersma, V Loverti, V Pakanen, W Tijsen, B Kempenaers

(2016), Vol. 540, pp. 109-113, Nature, C1

Minor differences in body condition and immune status between avian influenza virus-infected and noninfected mallards: a sign of coevolution?

J van Dijk, R Fouchier, M Klaassen, K Matson

(2015), Vol. 5, pp. 436-449, Ecology and evolution, Chichester, Eng., C1

Natural selection for earlier male arrival to breeding grounds through direct and indirect effects in a migratory songbird

W Velmala, S Helle, M Ahola, M Klaassen, E Lehikoinen, K Rainio, P Sirki�, T Laaksonen

(2015), Vol. 5, pp. 1205-1213, Ecology and evolution, Oxford, Eng., C1

Avoiding competition? Site use, diet and foraging behaviours in two similarly sized geese wintering in China

M Zhao, L Cao, M Klaassen, Y Zhang, A Fox

(2015), Vol. 103, pp. 27-38, Ardea, Amsterdam, The Netherlands, C1

Loss of periodicity in breeding success of waders links to changes in lemming cycles in Arctic ecosystems

Y Aharon-Rotman, M Soloviev, C Minton, P Tomkovich, C Hassell, M Klaassen

(2015), Vol. 124, pp. 861-870, OIKOS, Lund, Sweden, C1

Weak negative associations between avian influenza virus infection and movement behaviour in a key host species, the mallard Anas platyrhynchos

J van Dijk, E Kleyheeg, M Soons, B Nolet, R Fouchier, M Klaassen

(2015), Vol. 124, pp. 1293-1303, Oikos, Chichester, Eng., C1

Avian influenza in Australia : a summary of 5 years of wild bird surveillance

V Grillo, K Arzey, P Hansbro, A Hurt, S Warner, J Bergfeld, G Burgess, B Cookson, C Dickason, M Ferenczi, T Hollingsworth, M Hoque, R Jackson, M Klaassen, P Kirkland, N Kung, S Lisovski, M O'Dea, K O'Riley, D Roshier, L Skerratt, J Tracey, X Wang, R Woods, L Post

(2015), Vol. 93, pp. 387-393, Australian veterinary journal, Chichester, Eng., C1

Juveniles and migrants as drivers for seasonal epizootics of avian influenza virus

J Van Dijk, B Hoye, J Verhagen, B Nolet, R Fouchier, M Klaassen

(2014), Vol. 83, pp. 266-275, Journal of animal ecology, London, England, C1

Nutrient release characteristics from droppings of grass-foraging waterfowl (Anser brachyrhynchus) roosting in aquatic habitats

Y Liu, M Hefting, J Verhoeven, M Klaassen

(2014), Vol. 7, pp. 1-7, Ecohydrology, London, England, C1

The exception to the rule: Retreating ice front makes Bewick's swans Cygnus columbianus bewickii migrate slower in spring than in autumn

R Nuijten, A K�lzsch, J van Gils, B Hoye, K Oosterbeek, P de Vries, M Klaassen, B Nolet

(2014), Vol. 45, pp. 113-122, Journal of avian biology, London, Eng., C1-1

Identifying the African wintering grounds of hybrid flycatchers using a multi-isotope (?2H, ?13C, ?15N) assignment approach

T Veen, M Hjernquist, S Van Wilgenburg, K Hobson, E Folmer, L Font, M Klaassen

(2014), Vol. 9, pp. 1-7, PLoS One, San Francisco, Calif., C1

The effect of herbivores on genotypic diversity in a clonal aquatic plant

B Hidding, P Meirmans, M Klaassen, T de Boer, N Ouborg, C Wagemaker, B Nolet

(2014), Vol. 123, pp. 1112-1120, Oikos, London, Eng, C1

Transfer of maternal antibodies against avian influenza virus in mallards (Anas platyrhynchos)

J van Dijk, A Mateman, M Klaassen

(2014), Vol. 9, pp. 1-7, PLoS One, San Francisco, Calif., C1

Migratory birds reinforce local circulation of avian influenza viruses

J Verhagen, J van Dijk, O Vuong, T Bestebroer, P Lexmond, M Klaassen, R Fouchier

(2014), Vol. 9, pp. 1-10, PLoS One, San Francisco, Calif., C1

How did this snail get here? Several dispersal vectors inferred for an aquatic invasive species

L Van, N Huig, D Van, A Van, C Wagemaker, C Sherman, M Klaassen, J Figuerola

(2013), Vol. 58, pp. 88-99, Freshwater biology, London, England, C1

Mechanistic models of animal migration behaviour - their diversity, structure and use

S Bauer, M Klaassen

(2013), Vol. 82, pp. 498-508, Journal of animal ecology, London, England, C1

Unusual patterns in 15N blood values after a diet switch in red knot shorebirds

M Dietz, T Piersma, A Dekinga, H Korthals, M Klaassen

(2013), Vol. 49, pp. 283-292, Isotopes in environmental and health studies, London, Eng., C1

Improving provenance studies in migratory birds when using feather hydrogen stable isotopes

J Van Dijk, W Meissner, M Klaassen

(2013), Vol. 45, Journal of avian biology, London, England, C1

New insights from geolocators deployed on waders in Australia

C Minton, K Gosbell, P Johns, M Christie, M Klaassen, C Hassell, A Boyle, R Jessop, J Fox

(2013), Vol. 120, pp. 37-46, Wader Study Group bulletin, Norfolk, Eng., C1-1

Host behaviour and physiology underpin individual variation in avian influenza virus infection in migratory Bewick's swans

B Hoye, R Fouchier, M Klaassen

(2012), Vol. 279, pp. 529-534, Proceedings of the Royal Society B : biological sciences, London, England, C1

Aquatic plant shows flexible avoidance by escape from tuber predation by swans

B Hidding, M Klaassen, T de Boer, P de Vries, B Nolet

(2012), Vol. 13, pp. 50-58, Basic and applied ecology, Jena, Germany, C1

Comparing the seasonal survival of resident and migratory oystercatchers : carry-over effects of habitat quality and weather conditions

O Duriez, B Ens, R Choquet, R Pradel, M Klaassen

(2012), Vol. 121, pp. 862-873, Oikos, Malden, Mass., C1

Ecophysiology of avian migration in the face of current global hazards

M Klaassen, B Hoye, B Nolet, W Buttemer

(2012), Vol. 367, pp. 1719-1732, Philosophical Transactions of the Royal Society B: Biological Sciences, C1

Habitat use throughout migration : linking individual consistency, prior breeding success and future breeding potential

B Hoye, S Hahn, B Nolet, M Klaassen

(2012), Vol. 81, pp. 657-666, Journal of animal ecology, Oxford, England, C1

Experimental quantification of long distance dispersal potential of aquatic snails in the gut of migratory birds

C van Leeuwen, G van der Velde, B van Lith, M Klaassen

(2012), Vol. 7, pp. 1-7, PLoS One, San Francisco, Calif., C1

Vector activity and propagule size affect dispersal potential by vertebrates

C van Leeuwen, M Tollenaar, M Klaassen

(2012), Vol. 170, pp. 101-109, Oecologia, Heidelberg, Germany, C1

From food to offspring down : tissue-specific discrimination and turn-over of stable isotopes in herbivorous waterbirds and other avian foraging guilds

S Hahn, B Hoye, H Korthals, M Klaassen

(2012), Vol. 7, pp. 1-6, PLoS ONE, San Francisco, Calif., C1

Does agricultural food provide a good alternative to a natural diet for body store deposition in geese?

G Eichhorn, H Meijer, K Oosterbeek, M Klaassen

(2012), Vol. 3, pp. 1-13, Ecosphere, Washington, D.C., C1

Gut travellers : internal dispersal of aquatic organisms by waterfowl

L van, D van, G van, M Klaassen

(2012), Vol. 39, pp. 2031-2040, Journal of biogeography, London, England, C1

A puzzling migratory detour : are fueling conditions in Alaska driving the movement of juvenile sharp-tailed sandpipers?

A Lindstrom, R Gill Jr., S Jamieson, B McCaffery, L Wennerberg, M Wikelski, M Klaassen

(2011), Vol. 113, pp. 129-139, Condor, Berkeley, Ca., C1

Identifying crucial gaps in our knowledge of the life-history of avian influenza viruses - An Australian perspective

M Klaassen, B Hoye, D Roshier

(2011), Vol. 111, pp. 103-112, Emu, Collingwood, Vic., C1

Reconstructing an annual cycle of interaction : natural infection and antibody dynamics to avian influenza along a migratory flyway

B Hoye, V Munster, H Nishiura, R Fouchier, J Madsen, M Klaassen

(2011), Vol. 120, pp. 748-755, Oikos, Malden, Mass., C1

The reliance on distant resources for egg formation in high Arctic breeding barnacle geese Branta leucopsis

S Hahn, M Loonen, M Klaassen

(2011), Vol. 42, pp. 159-168, Journal of avian biology, Malden, Mass., C1

Cues and the optimal timing of activities under environmental changes

J McNamara, Z Barta, M Klaassen, S Bauer

(2011), Vol. 14, pp. 1183-1190, Ecology letters, London, England, C1

Effects of infection-induced migration delays on the epidemiology of avian influenza in wild mallard populations

S Galsworthy, Q ten Bosch, B Hoye, J Heesterbeek, M Klaassen, D Klinkenberg

(2011), Vol. 6, pp. 1-11, PLoS ONE, San Francisco, Calif., C1

Geolocator studies on Ruddy Turnstones Arenaria interpres and Greater Sandplovers Charadrius leschenaultii in the East Asian-Australasia Flyway reveal widely different migration strategies

C Minton, K Gosbell, P Johns, M Christie, M Klaassen, C Hassell, A Boyle, R Jessop, J Fox

(2011), Vol. 118, pp. 87-96, Wader Study Group bulletin, Norfolk, Eng., C1-1

Insights from the eco-physiological book of records : Bewick's swans outperform the canonical intake-maximizing vertebrate

M Klaassen, H Hangelbroek, T de Boer, B Nolet

(2010), Vol. 119, pp. 1156-1160, Oikos, Malden, Mass., C1

Surveillance of wild birds for avian influenza virus

B Hoye, V Munster, H Nishiura, M Klaassen, R Fouchier

(2010), Vol. 16, pp. 1827-1834, Emerging infectious diseases, Atlanta, Ga., C1

Many routes lead to Rome : potential causes for the multi-route migration system of Red Knots, Calidris canutus islandica

S Bauer, B Ens, M Klaassen

(2010), Vol. 91, pp. 1822-1831, Ecology, Ithaca, N.Y., C1

Above- and below-ground vertebrate herbivory may each favour a different subordinate species in an aquatic plant community

B Hidding, B Nolet, T de Boer, P de Vries, M Klaassen

(2010), Vol. 162, pp. 199-208, Oecologia, Heidelberg, Germany, C1-1

Single-point isotope measurements in blood cells and plasma to estimate the time since diet switches

M Klaassen, T Piersma, H Korthals, A Dekinga, M Dietz

(2010), Vol. 24, pp. 796-804, Functional Ecology, London, England, C1-1

Do Red Knots (Calidris Canutus Islandica) routinely skip Iceland during southward migration?

M Dietz, B Spaans, A Dekinga, M Klaassen, H Korthals, C van Leeuwen, T Piersma

(2010), Vol. 112, pp. 48-55, Condor, Santa Clara, Calif., C1-1

What decision rules might pink-footed geese use to depart on migration? An individual-based model

O Duriez, S Bauer, A Destin, J Madsen, B Nolet, R Stillman, M Klaassen

(2009), Vol. 20, pp. 560-569, Behavioural ecology, Oxford, England, C1-1

Retrodicting patch use by foraging swans in a heterogeneous environment using a set of functional responses

B Nolet, M Klaassen

(2009), Vol. 118, pp. 431-439, Oikos, Malden, Mass., C1-1

How to find natural reservoir hosts from endemic prevalence in a multi-host population : a case study of influenza in waterfowl

H Nishiura, B Hoye, M Klaassen, S Bauer, H Heesterbeek

(2009), Vol. 1, pp. 118-128, Epidemics, Amsterdam, The Netherlands, C1-1

High individual repeatability and population differentiation in stable isotope ratios in winter-grown collared flycatcher Ficedula albicollis feathers

M Hjernquist, T Veen, L Font, M Klaassen

(2009), Vol. 40, pp. 102-107, Journal of avian biology, Copenhagen, Denmark, C1-1

Estimating survival and movements using both live and dead recoveries : a case study of oystercatchers confronted with habitat change

O Duriez, S S�ther, B Ens, R Choquet, R Pradel, R Lambeck, M Klaassen

(2009), Vol. 46, pp. 144-153, Journal of applied ecology, New York, NY., C1-1

Compensatory growth in an aquatic plant mediates exploitative competition between seasonally tied herbivores

B Hidding, B Nolet, T de Boer, P de Vries, M Klaassen

(2009), Vol. 90, pp. 1891-1899, Ecology, Ithaca, N.Y., C1-1

Burial depth distribution of fennel pondweed tubers (Potamogeton pectinatus) in relation to foraging by Bewick's swans

B Hidding, B Nolet, M van Eerden, M Guillemain, M Klaassen

(2009), Vol. 90, pp. 321-327, Aquatic botany, Amsterdam, The Netherlands, C1-1

Animal migration: Linking models and data beyond taxonomic limits

S Bauer, Z Barta, B Ens, G Hays, J McNamara, M Klaassen

(2009), Vol. 5, pp. 433-435, Biology Letters, C1-1

What drives long-distance movements in the nomadic Grey Teal Anas gracilis in Australia?

D Roshier, M Asmus, M Klaassen

(2008), Vol. 150, pp. 474-484, Ibis: the International Journal of Avian Science, Oxford, England, C1-1

Longer guts and higher food quality increase energy intake in migratory swans

J van Gils, J Beekman, P Coehoorn, E Corporaal, T Dekkers, M Klaassen, R van Kraaij, R de Leeuw, P de Vries

(2008), Vol. 77, pp. 1234-1241, Journal of animal ecology, Oxford, England, C1-1

Why do Gull-billed Terns Gelochelidon nilotica feed on fiddler crabs Uca tangeri in Guinea-Bissau?

E Stienen, A Brenninkmeijer, M Klaassen

(2008), Vol. 96, pp. 243-250, Ardea, Amsterdam, The Netherlands, C1-1

The consequences of climate-driven stop-over sites changes on migration schedules and fitness of Arctic geese

S Bauer, M van Dinther, K H�gda, M Klaassen, J Madsen

(2008), Vol. 77, pp. 654-660, Journal of animal ecology, Oxford, England, C1-1

Swan foraging shapes spatial distribution of two submerged plants, favouring the preferred prey species

H Sandsten, M Klaassen

(2008), Vol. 156, pp. 569-576, Oecologia, Heidelberg, Germany, C1-1

Stoichiometry of endothermy : shifting the quest from nitrogen to carbon

M Klaassen, B Nolet

(2008), Vol. 11, pp. 785-792, Ecology letters, Oxford, England, C1-1

Small seed size increases the potential for dispersal of wetland plants by ducks

M Soons, C van der Vlugt, B van Lith, G Heil, M Klaassen

(2008), Vol. 96, pp. 619-627, Journal of ecology, London, England, C1-1

Quantification of allochthonous nutrient input into freshwater bodies by herbivorous waterbirds

S Hahn, S Bauer, M Klaassen

(2008), Vol. 53, pp. 181-193, Freshwater biology, Oxford, England, C1-1

Optimal management of a goose flyway : migrant management at minimum cost

M Klaassen, S Bauer, J Madsen, H Possingham

(2008), Vol. 45, pp. 1446-1452, Journal of applied ecology, New York, N.Y., C1-1

The role of herbivorous water birds in aquatic systems through interactions with aquatic macrophytes, with special reference to the Bewick's Swan - Fennel Pondweed system

M Klaassen, B Nolet

(2007), Vol. 584, pp. 205-213, Hydrobiologia, Dordrecht, The Netherlands, C1-1

Hampered foraging and migratory performance in swans infected with low-pathogenic avian influenza A virus

J van Gils, V Munster, R Radersma, D Liefhebber, R Fouchier, M Klaassen

(2007), Vol. 2, pp. 1-6, Plos one, San Francisco, Calif., C1-1

Estimating the contribution of carnivorous waterbirds to nutrient loading in freshwater habitats

S Hahn, S Bauer, M Klaassen

(2007), Vol. 52, pp. 2421-2433, Freshwater biology, Oxford, England, C1-1

Effects of snow cover on the timing and success of reproduction in high-Arctic pink-footed geese Anser brachyrhynchus

J Madsen, M Tamstorf, M Klaassen, N Eide, C Glahder, F Rig�t, H Nyegaard, F Cottaar

(2007), Vol. 30, pp. 1363-1372, Polar biology, Berlin, Germany, C1-1

Does migration of hybrids contribute to post-zygotic isolation in flycatchers?

T Veen, N Svedin, J Forsman, M Hjernquist, A Qvarnstr�m, K Thuman Hjernquist, J Tr�ff, M Klaassen

(2007), Vol. 274, pp. 707-712, Proceedings of the Royal Society B-biological sciences, London, England, C1-1

Consequences of intraspecific seed-size variation in Sparganium emersum for dispersal by fish

B Pollux, N Ouborg, J van Groenendael, M Klaassen

(2007), Vol. 21, pp. 1084-1091, Functional ecology, London, England, C1-1

The effect of seed morphology on the potential dispersal of aquatic macrophytes by the common carp (Cyprinus carpio)

B Pollux, M de Jong, A Steegh, N Ouborg, J van Groenendael, M Klaassen

(2006), Vol. 51, pp. 2063-2071, Freshwater biology, Oxford, England, C1-1

Modelling behavioural and fitness consequences of disturbance for geese along their spring flyway

M Klaassen, S Bauer, J Madsen, I Tombre

(2006), Vol. 43, pp. 92-100, Journal of applied ecology, New York, N.Y., C1-1

Migratory birds as vectors for influenza dispersal

M Klaassen

(2006), Vol. 2, pp. 107-108, International journal of infection control, Portadown, Ireland, C1-1

Intake rates, stochasticity, or onset of spring : what aspects of food availability affect spring migration patterns in Pink-footed Geese Anser brachyrhynchus?

S Bauer, J Madsen, M Klaassen

(2006), Vol. 94, pp. 555-566, Ardea, Amsterdam, The Netherlands, C1-1

Factors affecting the site of investment, and the reliance on savings for arctic breeders : the capital-income dichotomy revisited

M Klaassen, K Abraham, R Jefferies, M Vrtiska

(2006), Vol. 94, pp. 371-384, Ardea, Amsterdam, The Netherlands, C1-1

Exhaled air temperature as a function of ambient temperature in flying and resting ducks

S Engel, R Klaassen, M Klaassen, H Biebach

(2006), Vol. 176, pp. 527-534, Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology, Berlin, Germany, C1-1

Assessing body condition and energy budget components by scoring abdominal profiles in free-ranging pink-footed geese Anser brachyrhynchus

J Madsen, M Klaassen

(2006), Vol. 37, pp. 283-287, Journal of avian biology, Copenhagen, Denmark, C1-1

Animal-plant-microbe interactions : direct and indirect effects of swan foraging behaviour modulate methane cycling in temperate shallow wetlands

P Bodelier, M Stomp, L Santamaria, M Klaassen, H Laanbroek

(2006), Vol. 149, pp. 233-244, Oecologia, Heidelberg, Germany, C1-1

Time and energy constraints in demanding phases of the annual cycle : an example of time limitation in refuelling migratory swans

B Nolet, M Klaassen

(2005), Vol. 111, pp. 302-310, Oikos, Malden, Mass., C1-1

The foldable 'Ottenby' walk-in trap : a handy and efficient wader trap for expedition conditions

� Lindstr�m, M Klaassen, R Lanctot

(2005), Vol. 107, pp. 50-53, Wader study group bulletin, Beaumaris, Vic., C1-1

Seasonal changes in the diet of the long-nosed bandicoot (Perameles nasuta) assessed by analysis of faecal scats and of stable isotopes in blood

M Thums, M Klaassen, I Hume

(2005), Vol. 53, pp. 87-93, Australian journal of zoology, Collingwood, Vic., C1-1

Longer days in spring than in autumn accelerate migration speed of passerine birds

U Bauchinger, M Klaassen

(2005), Vol. 36, pp. 3-5, Journal of avian biology, Copenhagen, Denmark, C1-1

Basal metabolic rate, food intake, and body mass in cold- and warm-acclimated Garden Warblers

M Klaassen, M Oltrogge, L Trost

(2004), Vol. 137, pp. 639-647, Comparative biochemistry and physiology : Part A, Amsterdam, The Netherlands, C1-1

Migrating swans profit from favourable changes in wind conditions at low altitude

M Klaassen, J Beekman, J Kontiokorpi, R Mulder, B Nolet

(2004), Vol. 145, pp. 142-151, Journal of ornithology, Berlin, Germany, C1-1

May dehydration risk govern long-distance migratory behaviour?

M Klaassen

(2004), Vol. 35, pp. 4-6, Journal of avian biology, London, Eng., C1-1

The relationship between carbon stable isotope ratios of hatchling down and egg yolk in Black-headed Gulls

M Klaassen, T Baarspul, T Dekkers, P Van Tienen

(2004), Vol. 75, pp. 196-199, Journal of field ornithology, Amsterdam, The Netherlands, C1-1

Fuelling rates of garganey (Anas querquedula) staging in the Camargue, Southern France, during spring migration

M Guillemain, H Fritz, M Klaassen, A Johnson, H Hafner

(2004), Vol. 145, pp. 152-158, Journal of ornithology, Berlin, Eng., C1-1

Flying, fasting, and feeding in birds during migration: A nutritional and physiological ecology perspective

S McWilliams, C Guglielmo, B Pierce, M Klaassen

(2004), Vol. 35, pp. 377-393, Journal of avian biology, London, Eng., C1-1

Effects of diet change on carbon and nitrogen stable-isotope ratios in blood cells and plasma of the long-nosed bandicoot (Perameles nasuta)

M Klaassen, M Thums, I Hume

(2004), Vol. 52, pp. 635-647, Australian journal of zoology, Melbourne, Vic., C1-1

Fathers with highly demanding partners and offspring in a semidesert environment: energetic aspects of the breeding system of Monteiro's Hornbills (Tockus monteiri) in Namibia

M Klaassen, A Brenninkmeijer, C Boix-Hinzen, J Mendelsohn

(2003), Vol. 120, pp. 866-873, Auk, Amsterdam, The Netherlands, C1-1

High basal metabolic rates of shorebirds while in the Arctic: a circumpolar view

A Lindstr�m, M Klaassen

(2003), Vol. 105, pp. 420-427, Condor, Amsterdam, The Netherlands, C1-1

Metabolic rate and thermal conductance of lemmings from high-arctic Canada and Siberia

M Klaassen, J Agrell, A Lindstr�m

(2002), Vol. 172, pp. 371-378, Journal of comparative physiology B, Berlin, Germany, C1-1

Habitat switching by Bewick's swans: Maximization of average long-term energy gain?

B Nolet, R Bevan, M Klaassen, O Langevoord, Y Van Der Heijden

(2002), Vol. 71, pp. 979-993, Journal of animal ecology, London, Eng., C1-1

Fuel stores of juvenile waders on autumn migration in high arctic Canada

A Lindstr�m, M Klaassen, T Piersma, N Holmgren, L Wennerberg

(2002), Vol. 90, pp. 93-101, Ardea, Amsterdam, The Netherlands, C1-1

Feeding ecology of wintering terns in Guinea-Bissau

A Brenninkmeijer, E Stienen, M Klaassen, M Kersten

(2002), Vol. 144, pp. 602-613, Ibis: the international journal of avian science, London, Eng., C1-1

Skipping swans: Fuelling rates and wind conditions determine differential use of migratory stopover sites of Bewick's Swans Cygnus bewickii

J Beekman, B Nolet, M Klaassen

(2002), Vol. 90, pp. 437-460, Ardea, Amsterdam, The Netherlands, C1-1

Long-distance endozoochorous dispersal of submerged macrophyte seeds by migratory waterbirds in northern Europe - a critical review of possibilities and limitations

P Clausen, B Nolet, A Fox, M Klaassen

(2002), Vol. 23, pp. 191-203, Acta oecologica, Amsterdam, The Netherlands, C1-1

Geographical variation and population structure in the White-rumped Sandpiper Calidris fuscicollis as shown by morphology, mitochondrial DNA and carbon isotope ratios

L Wennerberg, M Klaassen, A? Lindstr�m

(2002), Vol. 131, pp. 380-390, Oecologia, Berlin, Germany, C1-1

Arctic waders are not capital breeders

M Klaassen, A Lindstr�m A, H Meltofte, T Piersma

(2001), Vol. 413, pp. 794-794, Nature, London, Eng., C1-1

Spatial variation in tuber depletion by swans explained by differences in net intake rates

B Nolet, O Langevoord, R Bevan, K Engelaar, M Klaassen, R Mulder, S Van Dijk

(2001), Vol. 82, pp. 1655-1667, Ecology, London, Eng., C1-1

Flight costs and fuel composition of a bird migrating in a wind tunnel

M Klaassen, A Kvist, A Lindstr�m

(2000), Vol. 102, pp. 444-451, Condor, Amsterdam, The Netherlands, C1-1

Predicting migratory flight altitudes by physiological migration models

F Liechti, M Klaassen, B Bruderer

(2000), Vol. 117, pp. 205-214, Auk, Amsterdam, The Netherlands, C1-1

Flight altitude of trans-Sahara migrants in autumn: a comparison of radar observations with predictions from meteorological conditions and water and energy balance models

M Klaassen, H Biebach

(2000), Vol. 31, pp. 47-55, Journal of avian biology, London, Eng., C1-1

Variation in energy intake and basal metabolic rate of a bird migrating in a wind tunnel

A Lindstr�m, M Klaassen, A Kvist

(1999), Vol. 13, pp. 352-359, Functional ecology, London, Eng., C1-1

Energy expenditure in relation to flight speed: what is the power of mass loss rate estimates?

A Kvist, M Klaassen, A Lindstr�m

(1998), Vol. 29, pp. 485-498, Journal of avian biology, London, Eng., C1-1

Sandwich terns Sterna sandvicensis feeding on shell fractions

A Brenninkmeijer, M Klaassen, E Stiknen

(1997), Vol. 139, pp. 397-400, Ibis, London, Eng., C1-1

Synchronization by low-amplitude light-dark cycles of 24-hour pineal and plasma melatonin rhythms of hatchling European starlings (Sturnus vulgaris)

E Gwinner, M Zeman, M Klaassen

(1997), Vol. 23, pp. 176-181, Journal of pineal research, London, Eng., C1-1

Composition of fuel stores and digestive limitations to fuel deposition rate in the long-distance migratory thrush nightingale, Luscinia luscinia

M Klaassen, A Lindstr�m, R Zijlstra

(1997), Vol. 70, pp. 125-133, Physiological zoology, Chicago, Ill., C1-1

Blood hemoglobin content and metabolic performance of Arctic Tern chicks Sterna paradisaea

C Bech, M Klaassen

(1996), Vol. 27, pp. 112-117, Journal of avian biology, London, Eng., C1-1

Wingbeat frequency and the body drag anomaly: wind-tunnel observations on a thrush nightingale (Luscinia Luscinia) and a teal (Anas crecca)

C Pennycuick, M Klaassen, A Kvist, A Lindstr�m

(1996), Vol. 199, pp. 2757-2765, Journal of experimental biology, Cambridge, Eng., C1-1

Departure fuel loads in time-minimizing migrating birds can be explained by the energy costs of being heavy

M Klaassen, A Lindstr�m

(1996), Vol. 183, pp. 29-34, Journal of theoretical biology, Amsterdam, The Netherlands, C1-1

Metabolic constraints on long-distance migration in birds

M Klaassen

(1996), Vol. 199, pp. 57-64, Journal of experimental biology, Cambridge, Eng., C1-1

Moult and basal metabolic costs in males of two subspecies of stonechats: the European Saxicola torquata rubicula and the East African S. t. axillaris

M Klaassen

(1995), Vol. 104, pp. 424-432, Oecologia, Heidelberg, Germany, C1-1

Influence of growth rate retardation on time budgets and energetics of Arctic Tern Sterna paradisaea and Common Tern S. hirundo chicks

M Klaassen, B Habekotte, P Schinkelshoek, E Stienen, P Van Tienen

(1994), Vol. 136, pp. 197-204, Ibis, London, Eng., C1-1

Growth and energetics of tern chicks from temperate and polar environments

M Klaassen

(1994), Vol. 111, pp. 525-544, Auk, Washington, D.C., C1-1

Energetics of fattening and starvation in the long-distance migratory garden warbler, Sylvia borin, during the migratory phase

M Klaassen, H Biebach

(1994), Vol. 164, pp. 362-371, Journal of comparative physiology B, Berlin, Germany, C1-1

Flocking and feeding in the fiddler crab (UCA tangeri): prey availability as risk-taking behaviour

B Ens, M Klaassen, L Zwarts

(1993), Vol. 31, pp. 477-494, Netherlands journal of sea research, Amsterdam, The Netherlands, C1-1

Habitat selection and energetics of the fiddler crab (Uca tangeri)

M Klaassen, B Ens

(1993), Vol. 31, pp. 495-502, Netherlands journal of sea research, Amsterdam, The Netherlands, C1-1

Predictive growth budgets in terns and gulls

R Drent, M Klaassen, B Zwaan

(1992), Vol. 80, pp. 5-17, Ardea, Amsterdam, The Netherlands, C1-1

Transmitter loads do not affect the daily energy expenditure of nesting common terns

M Klaassen, P Becker, M Wagener

(1992), Vol. 63, pp. 181-185, Journal of field ornithology, London, Eng., C1-1

Energetics of Black-legged Kittiwake Rissa-Tridactyla chicks

G Gabrielsen, M Klaassen, F Mehlum

(1992), Vol. 80, pp. 29-40, Ardea, Amsterdam, The Netherlands, C1-1

Resting and peak metabolic rates of Arctic Tern nestlings and their relations to growth rate

M Klaassen, C BECH

(1992), Vol. 65, pp. 803-814, Physiological zoology, Chicago, Ill., C1-1

Growth-rate associated changes in the energy-requirements of tern chicks

M Klaassen, B Zwaan, P Heslenfeld, P Lucas, B Luijckx

(1992), Vol. 80, pp. 19-28, Ardea, Amsterdam, The Netherlands, C1-1

An analysis of hatchling resting metabolism: in search of ecological correlates that explain deviations from allometric relations

M Klaassen, R Drent

(1991), Vol. 93, pp. 612-629, Condor, Berkeley, Calif., C1-1

Seasonal timing of the spring departure of waders from the Banc D'Arguin, Mauritania

T Piersma, M Klaassen, J Bruggemann, A Blomert, A Gueye, Y Ntiamoa-Baidu, N Van Bedrerode

(1990), Vol. 78, pp. 123-134, Ardea, Amsterdam, The Netherlands, C1-1

Energetic requirements for maintenance and premigratory body mass gain of waders wintering in Africa

M Klaassen, M Kersten, B Ens

(1990), Vol. 78, pp. 209-220, Ardea, Amsterdam, The Netherlands, C1-1

Is salt stress a problem for waders wintering on the Banc d'Arguin, Mauritania?

M Klaassen, B Ens

(1990), Vol. 78, pp. 67-74, Ardea, Amsterdam, The Netherlands, C1-1

Growth and energetics of Arctic Tern chicks (Sterna Paradisaea)

M Klaassen, C Bech, D Masman, G Slagsvold

(1989), Vol. 106, pp. 240-248, Auk, Washington, D.C., C1-1

Basal metabolic-rate and therman conductance in Arctic Tern chicks and the effect of heat increment of feeding on thermoregulatory expenes

M Klaassen, C Bech, G Slagsvold

(1989), Vol. 77, pp. 193-200, Ardea, Amsterdam, The Netherlands, C1-1

Energy expenditure during free flight in trained and free-living Eurasian Kestrels (Falcotinnunculus)

D Masman, M Klaassen

(1987), Vol. 104, pp. 603-616, Auk, Washington, D.C., C1-1