Helldin, Jan Olof; Lennartsson, Tommy; Westin, Anna et. al 2022 Så har blomsterlupin spridit sig i Mellansverige Research article (Peer reviewed)
Helldin, Jan Olof 2022 Are several small wildlife crossing structures better than a single large? Arguments from the perspective of large wildlife conservation Review article (Peer reviewed) DOI:10.3897/natureconservation.47.67979
Helldin, Jan Olof; Andersson, Leif; Jacobson, Anders 2020 Icke förhandlingsbara biotoper : små biotoper med oersättliga naturvärden Magazine article
Helldin, Jan Olof; Lennartsson, Tommy; Stenmark, Magnus et. al 2019 Biodiversitet i jernbanehabitater – biologisk kulturarv og grøn infrastruktur Research article (Peer reviewed)
Knufinke, Jörg Fabian; Helldin, Jan Olof; Bhardwaj, Manisha et. al 2019 Temporal patterns of humans and ungulates at bridges : co-existence or disturbance? Report
Helldin, Jan Olof; Petrovan, Silviu O. 2019 Effectiveness of small road tunnels and fences in reducing amphibian roadkill and barrier effects at retrofitted roads in Sweden Research article (Peer reviewed) DOI:10.7717/peerj.7518
Helldin ,Jan Olof 2019 Predicted impacts of transport infrastructure and traffic on bird conservation in Swedish Special Protection Areas Research article (Peer reviewed) DOI:10.3897/natureconservation.36.31826
Widenfalk, Lina; Jonsson, Bengt-Gunnar; Helldin, Jan Olof et. al 2018 Does EU matter for Conservation? The Birds and Habitats directives from a Nordic perspective Conference abstract (Peer reviewed) DOI:10.17011/conference/eccb2018/107977