Peer-review publications:

2015

  • Janssen, J., Towns, D.R., Duxbury, M., Heitkonig, I.M.A. 2015. Surviving in a semi-marine habitat: Dietary salt exposure and salt secretion of a New Zealand intertidal skink. Comparative Biochemistry and Physiology Part A: Molecular and integrative Physiology. (189) 21-29 PDF
  • Janssen, J. 2015. A first-recorded case of hypomelanism in a wild Suter’s skink (Oligosoma suteri) following eradication of invasive alien species, BioGecko (3) in press 

Popular publications:

  • Janssen, J. 2012. Monitoring the elusive chevron skink. SRARNZ Notes, no.40, pp.10-11.

Thesis

  • Schmidt, J. and Janssen, J. 2011. Camera trapping in Southeast Norway – A method to estimate the number of Eurasian lynx (Lynx lynx) family groups. Bachelor thesis, Van Hall Larenstein, University of Applied Sciences, the Netherlands.
  • Janssen, J. 2014. Ungulates vs. Recreationist: Spatial and temporal responses of wildlife to nature-based tourism. MSc. thesis Wageningen University, The Netherlands
  • Janssen, J. 2014. Surviving in a semi-marine habitat: dietary salt exposure and salt secretion of a New Zealand coastal skink species. MSc. thesis Wageningen University, The Netherlands

Reports

  • Janssen, J. 2012. Investigating the effects of extensive rodent control on chevron skink (Oligosoma homalonotum) population structure and body condition in Port Fitzroy, Great Barrier Island, Internal report, Port Fitzroy, Department of Conservation.

 In preparation:

  • Janssen, J. 2015. Overexploitatie, ligt het in de hand van de consument?. Lacerta
  • Janssen, J. 2015. Op jacht naar Nieuw-Zeelands meest cryptische skink. Lacerta