8Jin XS, Shan XJ, Li XS, Wang J, Cui Y, Zuo T. 2012. Long-term changes in the fishery ecosystem structure of Laizhou Bay, China. Science China Earth Sciences 55 (1) 1-9.
9Lavery TJ, Roudnew B, Seymour J, Seuront L, Johnson G, Smetacek V. 2010. Iron defecation by sperm whales stimulates carbon export in the Southern Ocean. Proceedings of the Royal Society B 277 3527 3531.
10Pauly D, Palomares ML, Froese R, Sa a P, Vakily M, Preikshot D, Wallace S. 2001. Fishing down Canadian aquatic food webs. Canadian Journal of Fisheries and Aquatic Sciences 58: 51-62.