“Commercial Sea Fisheries in the Baltic Region, c1000–1600.” In Cod and Herring: The Chronology, Causes and Consequences of Medieval Sea Fishing, edited by James H. Barrett and D. Orton. Oxford: Oxbow, 2013 (in press).
“Collaboration between the Natural, Social and Human Sciences in Global Change Studies.” Environmental Science and Policy (2012). With Michael Goodsite, Sierd Cloetingh, Bernard Vanheusden, Kathryn Yusoff, Mauro Agnoletti, Moldan Bedřich, Daniel Lang, Rik Leemans, Joergen Oerstroem Moeller, Mercedes Pardo Buendia, Walter Pohl, Andrew Sors and Ruben Zondervan.
“Marine Animal Populations: A New Look Back in Time.” In Life in the World's Oceans: Diversity, Distribution, and Abundance, edited by Alasdair D. McIntyre, 3–23. Oxford: Blackwell, 2010. With Anne Husum Marboe, Bo Poulsen, and Brian R. MacKenzie,