Nota Eksploitasi berlebihan

  1. ↑ Kenneth T. Frank, Brian Petrie, Jae S. Choi, William C. Leggett (2005). "Trophic Cascades in a Formerly Cod-Dominated Ecosystem". Science. 308 (5728): 1621–1623. doi:10.1126/science.1113075. PMID 15947186.Selenggaraan CS1: pelbagai nama: senarai pengarang (link)
  2. ↑ Wilcove, D. S.; Rothstein, D.; Dubow, J.; Phillips, A.; Losos, E. (1998). "Quantifying threats to imperiled species" (PDF). BioScience. 48: 607–615.
  3. ↑ Oxford. (1996). Oxford Dictionary of Biology. Oxford University Press.