Skip to main content
Article thumbnail
Location of Repository

Climate Change and invasibility of the Antarctic benthos

By R.B. Aronson, S. Thatje, A. Clarke, L.S. Peck, D.B. Blake, C.D. Wilga and B.A. Seibel

Abstract

Benthic communities living in shallow-shelf habitats in Antarctica (<100-m depth) are archaic in their structure and function. Modern predators, including fast-moving, durophagous (skeleton-crushing) bony fish, sharks, and crabs, are rare or absent; slow-moving invertebrates are the top predators; and epifaunal suspension feeders dominate many soft substratum communities. Cooling temperatures beginning in the late Eocene excluded durophagous predators, ultimately resulting in the endemic living fauna and its unique food-web structure. Although the Southern Ocean is oceanographically isolated, the barriers to biological invasion are primarily physiological rather than geographic. Cold temperatures impose limits to performance that exclude modern predators. Global warming is now removing those physiological barriers, and crabs are reinvading Antarctica. As sea temperatures continue to rise, the invasion of durophagous predators will modernize the shelf benthos and erode the indigenous character of marine life in Antarctica

Topics: QH301
Year: 2007
OAI identifier: oai:eprints.soton.ac.uk:46999
Provided by: e-Prints Soton

Suggested articles

Citations

  1. (2006). Testing the role of biological interactions in the evolution of mid-Mesozoic marine benthic ecosystems.
  2. (2003). Larval and early juvenile development of Paralomis granulosa reared at different temperatures: tolerance of cold and food limitation in a lithodid crab from high latitudes.
  3. (2007). Contribution ` a la bionomie marine benthique des r´ egions antarctiques et subantarctiques.
  4. (1997). Antarctic marine biodiversity: an overview.
  5. (1992). Biology of a scale-independent predator-prey interaction.
  6. (1997). 89:1–13 AronsonRB,BlakeDB.2001.Globalclimatechangeandtheoriginofmodernbenthic communities
  7. (2007). Do Antarctic benthic invertebrates show an extended level of eurybathy?
  8. (1999). Polar gigantism dictated by oxygen availability.
  9. (1996). Evolution and adaptive radiation of Antarctic fishes.
  10. (2007). Climate change and the marine ecosystem of the western Antarctic Peninsula.
  11. (1966). Pumice from the South Sandwich eruption of
  12. (2007). Biological accommodation inthebenthiccommunityatMcMurdoSound,Antarctica.Ecol.Monogr.44:105– Dell RK.
  13. (1998). A comparison of adaptive radiations of Antarctic fish with those of nonantarctic fish.
  14. (1992). Sedimentological evidence for the formation of anEastAntarcticicesheetinEocene/Oligocenetime.Palaeogeogr.Palaeoclimatol.
  15. (2005). New record of Lithodidae(Crustacea,Decapoda,Anomura)fromtheAntarctic(Bellingshausen Sea). Polar Biol.
  16. (2007). Phylogeny and biogeography of serolid isopods (Crustacea,
  17. (1997). The Diversity of Fishes.
  18. (2006). Living on the edge of two changing worlds: forecasting the responses of rocky intertidal ecosystems to climate change.
  19. (2000). Heat-shock protein expression is absent in the Antarctic fish Trematomus bernacchii (Family Nototheniidae).
  20. (1995). Stone crabs close to the Antarctic continent: Lithodes murrayi Henderson, 1888 (Crustacea; Decapoda; Anomura) off Peter I Island (68◦51 S, 91◦51 W). Polar Biol.
  21. (2007). 7:28 the Polychaeta.
  22. (2005). Secondary evolutionary escalation between brachiopods and enemies of other prey.
  23. (1992). Paleoecology of Eocene antarctic sharks. See Kennett & Warnke
  24. (2005). Rapid climate change in the ocean west of the Antarctic Peninsula during the second half of the 20th century.
  25. (1991). 47:241–307 PageTJ,LinseK.2002.MoreevidenceofspeciationanddispersalacrosstheAntarctic Polar Front through molecular systematics of Southern Ocean Limatula (Bivalvia: Limidae). Polar Biol.
  26. (2007). The tissues of articulate brachiopods and their value to predators.
  27. (2002). Ecophysiology of Antarctic marine ectotherms: limits to life. Polar Biol. 25:31–40 Peck LS.
  28. (2007). The rate of metabolism in marine animals: environmental constraints, ecological demands and energetic opportunities.
  29. A n n u . R e v . E c o l . E v o l . S y s t . . : -1 . D o w n l o a d e d f r o m a r j o u r n a l s . a n n u a l r e v i e w s . o r g b y U n i v e r s i t y o f S o u t h a m p t o n L i b r a r i e s o n / / . F o r p e r s o n a l u s e o n l y
  30. (2007). Diversity in the Phanerozoic oceans: a partisan view.
  31. (2004). Challenging the cold: crabs reconquer the Antarctic. Ecology 86:619–25 Thatje
  32. (2005). Eocene bipolar glaciation associated with global carbon cycle changes. Nature 436:341–46 Vermeij GJ.
  33. (2007). Abundance distributions imply elevated complexity of post-Paleozoic marine ecosystems.
  34. (2002). Ecological responses to recent climate change.
  35. (2001). Trends, rhythms, and aberrations in global climate 65 Ma to present.
  36. (2007). 20:3 Annual Review of Ecology, Evolution, and Systematics Volume 38,
  37. (2007). 20:3 Human Impacts in
  38. (2007). 20:3 Terrestrial Carbon–Cycle Feedback to Climate Warming Yiqi Luo 683 Shortcuts for Biodiversity Conservation Planning: The Effectiveness of Surrogates Ana

To submit an update or takedown request for this paper, please submit an Update/Correction/Removal Request.