, Volume 138, Issue 4, pp 622–627 | Cite as

Marine reserves: long-term protection is required for full recovery of predatory fish populations

Conservation Ecology


No-take marine reserves are advocated widely as a potential solution to the loss of marine biodiversity and ecosystem structure, and to over-fishing. We assess the duration of protection required for unfished populations of large predatory reef fish to attain natural states. We have monitored two marine reserves at Sumilon and Apo Islands, Philippines, regularly for 17 years (1983–2000). The biomass of large predatory fish was still increasing exponentially after 9 and 18 years of protection at Sumilon and Apo reserves, respectively. There was little evidence that the rate of accumulation of biomass inside the reserves was slowing down even after so many years of protection. This suggests that the length of time to full recovery will be considerable. We made two assumptions in order to estimate this period. Firstly, that biomass growth will follow the logistic model. Secondly, the conservative assumption that biomass had already attained 90% of the local carrying capacity of the environments in the reserves. We conclude that the time required for full recovery will be 15 and 40 years at Sumilon and Apo reserves, respectively. Such durations of recovery appear consistent with known life history characteristics of these fish, and with empirical data on recovery rates of heavily exploited fish stocks. By the time the full fisheries or ecosystem benefits from such reserves are apparent, human populations and impacts will have doubled in much of the developing world. Thus, networks of such reserves need to be implemented immediately. Furthermore, the management mechanisms for the reserves need to be successful over timescales of human generations.


Biomass Logistic model Marine reserves Predatory reef fish Full recovery 


  1. Alcala AC, Russ GR (1990) A direct test of the effects of protective management on abundance and yield of tropical marine resources. J Cons Int Explor Mer 47:40–47Google Scholar
  2. Babcock RC, Kelly S, Shears NT, Walker JW, Willis TJ (1999) Changes in community structure in temperate marine reserves. Mar Ecol Prog Ser 189:125–134Google Scholar
  3. Begon M, Harper JL, Townsend CR (1996) Ecology: individuals, populations and communities. Blackwell, OxfordGoogle Scholar
  4. Bohnsack JA (1998) Application of marine reserves to reef fisheries management. Aust J Ecol 23:298–304Google Scholar
  5. Caley MJ, Carr MH, Hixon MA, Hughes TP, Jones GP, Menge BA (1996) Recruitment and the local dynamics of open marine populations. Annu Rev Ecol Syst 27:477–500CrossRefGoogle Scholar
  6. Cappo M, Eden P, Newman SJ, Robertson S (2000) A new approach to validation of periodicity and timing of opaque zone formation in the otoliths of 11 species of Lutjanus from the central Great Barrier Reef. Fish Bull 98:474–484Google Scholar
  7. Castilla JC (1999) Coastal marine communities: trends and perspectives from human exclusion experiments. Trends Ecol Evol 14:280–283CrossRefPubMedGoogle Scholar
  8. Choat JH, Robertson DR (2002) Age-based studies. In: Sale PF (ed) Coral reef fishes: dynamics and diversity in a complex ecosystem. Academic Press, San Diego, Calif., pp 57–80Google Scholar
  9. Dayton PK, Sala E, Tegner MJ, Thrush SF (2000) Marine protected areas: parks, baselines, and fishery enhancement. Bull Mar Sci 66:617–634Google Scholar
  10. Doherty PJ (1991) Spatial and temporal patterns in recruitment. In: Sale PF (ed) The ecology of fishes on coral reefs. Academic Press, San Diego, Calif., pp 261–293Google Scholar
  11. Doherty PJ (2002) Variable replenishment and the dynamics of reef fish populations. In: Sale PF (ed) Coral reef fishes: dynamics and diversity in a complex ecosystem. Academic Press, San Diego, Calif., pp 327–355Google Scholar
  12. Gell FR, Roberts CM (2002) The fishery effects of marine reserves and fishery closures. WWF-US, Washington, USAGoogle Scholar
  13. Gerber LR, Botsford LW, Hastings A, Possingham HP, Gaines SD, Palumbi SR, Andelman S (2003) Population models and marine reserve design: a retrospective and prospective synthesis. Ecol Appl 13:S47–S64Google Scholar
  14. Halpern B (2003) The impact of marine reserves; do reserves work and does reserve size matter? Ecol Appl 13:S117–S137Google Scholar
  15. Halpern BS, Warner RR (2002) Marine reserves have rapid and lasting effects. Ecol Lett 5:361–366CrossRefGoogle Scholar
  16. Hastings A, Botsford LW (1999) Equivalence in yield from marine reserves and traditional fisheries management. Science 284:1537–1538CrossRefPubMedGoogle Scholar
  17. Hilborn R (2002) Marine reserves and fisheries management—reply to C.M. Roberts. Science 295:1233–1234Google Scholar
  18. Hutchings JA (2000) Collapse and recovery of marine fishes. Nature 406:882–885CrossRefPubMedGoogle Scholar
  19. Jackson JBC et al. (2001) Historical overfishing and the recent collapse of coastal ecosystems. Science 293:629–638PubMedGoogle Scholar
  20. Jennings S (2001) Patterns and prediction of population recovery in marine reserves. Rev Fish Biol Fish 10:209–231Google Scholar
  21. Jennings S, Kaiser MJ (1998) The effects of fishing on marine ecosystems. Adv Mar Biol 34:201–352Google Scholar
  22. Jones GP, Milicich MI, Emslie M, Lunow C (1999) Self-recruitment in a coral reef fish population. Nature 402:802–804CrossRefGoogle Scholar
  23. Kaufman KW (1981) Fitting and using growth curves. Oecologia 49:293–299Google Scholar
  24. Kelly S, Scott D, MacDiarmid AB, Babcock RC (2000) Spiny lobster, Jasus edwardsii, recovery in New Zealand marine reserves. Biol Conserv 92:359–369CrossRefGoogle Scholar
  25. McClanahan TR (2000) Recovery of a coral reef keystone predator, Balistapus undulatus, in East African marine parks. Biol Conserv 94:191–198CrossRefGoogle Scholar
  26. McClanahan TR, Kaunda-Arara B (1996) Fishery recovery in a coral-reef marine park and its effect on the adjacent fishery. Conserv Biol 10:1187–1199CrossRefGoogle Scholar
  27. McManus JW (1997) Tropical marine fisheries and the future of coral reefs: a brief overview with emphasis on South East Asia. Coral Reefs 16:S121–S127CrossRefGoogle Scholar
  28. Newman SD, Williams DMcB, Russ GR (1997) Patterns of zonation of assemblages of the Lutjanidae, Lethrinidae and Serranidae (Epinephelinae) within and among mid-shelf and outer-shelf reefs in the central Great Barrier Reef. Mar Freshw Res 48:119–128Google Scholar
  29. Pauly D, Christensen V, Dalsgaard J, Froese R, Torres F (1998) Fishing down food webs. Science 279:860–863PubMedGoogle Scholar
  30. Pauly D, Christensen V, Guénette S, Pitcher T, Sumaila UR, Walters C, Watson R, Zeller D (2002) Towards sustainability in world fisheries. Nature 418:689–695CrossRefPubMedGoogle Scholar
  31. Polunin NVC (1990) Marine regulated areas: an expanded approach for the tropics. Res Manage Optim 7:283–299Google Scholar
  32. Polunin NVC (2002) Marine protected areas, fish and fisheries. In: Hart PJB, Reynolds JD (eds) Handbook of fish and fisheries, vol 2. Blackwell, Oxford, pp 293–318Google Scholar
  33. Roberts CM (1995) Rapid build-up of fish biomass in a Caribbean marine reserve. Conserv Biol 9:815–826CrossRefGoogle Scholar
  34. Roberts CM, Polunin NVC (1991) Are marine reserves effective in management of reef fisheries? Rev Fish Biol Fish 1:65–91Google Scholar
  35. Roberts CM, Bohnsack JA, Gell F, Hawkins JP, Goodridge R (2001) Effects of marine reserves on adjacent fisheries. Science 294:1920–1923CrossRefPubMedGoogle Scholar
  36. Russ GR (2002) Yet another review of marine reserves as reef fisheries management tools. In: Sale PF (ed) Coral reef fishes: dynamics and diversity in a complex ecosystem. Academic Press, San Diego, Calif., pp 421–443Google Scholar
  37. Russ GR, Alcala AC (1996a) Marine reserves: rates and patterns of recovery and decline in abundance of large predatory fish. Ecol Appl 6:947–961Google Scholar
  38. Russ GR, Alcala AC (1996b) Do marine reserves export adult fish biomass? Evidence from Apo Island, central Philippines. Mar Ecol Prog Ser 132:1–9Google Scholar
  39. Russ GR, Alcala AC (1999) Management histories of Sumilon and Apo marine reserves, Philippines, and their influence on national marine resource policy. Coral Reefs 18:307–319CrossRefGoogle Scholar
  40. Russ GR, Alcala AC (2003) Marine reserves: rates and patterns of recovery and decline of predatory fish, 1983–2000. Ecol Appl 13:1553–1565Google Scholar
  41. Sale PF, Cowen RK (1998) Not quite so simple—reply to Roberts. Science 279:2021Google Scholar
  42. Sladek-Nowlis J, Roberts CM (1999) Fisheries benefits and optimal design of marine reserves. Fish Bull 97:604–616Google Scholar
  43. Willis TJ, Millar RB, Babcock RC, Tolimieri N (2003) Burdens of evidence and the benefits of marine reserves: putting Descartes before des horse? Environ Conserv 30:97–103CrossRefGoogle Scholar

Copyright information

© Springer-Verlag 2004

Authors and Affiliations

  1. 1.School of Marine Biology and AquacultureJames Cook UniversityTownsvilleAustralia
  2. 2.Silliman University Angelo King Center for Research and Environmental ManagementSilliman UniversityDumaguete CityThe Philippines

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