Sponge richness on algae-dominated rocky reefs in the western Antarctic Peninsula and the Magellan Strait
Sponges are important components of high-latitude benthic communities, but their diversity and abundance in algal-dominated rocky reefs has been underestimated because of the difficulty of in situ identification. Further, the influence of canopy-forming algae on sponge richness has been poorly studi...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Norwegian Polar Institute
2016-11-01
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| Series: | Polar Research |
| Subjects: | |
| Online Access: | http://www.polarresearch.net/index.php/polar/article/view/30532/49799 |
| _version_ | 1818483661971914752 |
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| author | César A. Cárdenas Emma M. Newcombe Eduardo Hajdu Marcelo Gonzalez-Aravena Shane W. Geange James J. Bell |
| author_facet | César A. Cárdenas Emma M. Newcombe Eduardo Hajdu Marcelo Gonzalez-Aravena Shane W. Geange James J. Bell |
| author_sort | César A. Cárdenas |
| collection | DOAJ |
| description | Sponges are important components of high-latitude benthic communities, but their diversity and abundance in algal-dominated rocky reefs has been underestimated because of the difficulty of in situ identification. Further, the influence of canopy-forming algae on sponge richness has been poorly studied in southern high-latitude rocky reefs compared to other latitudes. Here, we quantified taxon richness of sponges in algae-dominated rocky reefs at three sites in the western Antarctic Peninsula (62–64° S) and two sites in the Magellan region (53° S). We found higher sponge richness at sites in Antarctica (15) than in Magallanes (8), with Antarctic sponge richness higher than that reported for Arctic algal beds and similar to that reported for temperate regions. Estimated sponge richness at our Antarctic sites highlights diverse sponge assemblages (16–26 taxa) between 5 and 20 m that are typically dominated by macroalgae. Our results suggest that sponge assemblages associated with canopy-forming macroalgae on southern high-latitude reefs are more diverse than previously thought. |
| first_indexed | 2024-12-10T15:44:51Z |
| format | Article |
| id | doaj.art-545d104e678642f384c4d2413be0ef71 |
| institution | Directory Open Access Journal |
| issn | 1751-8369 |
| language | English |
| last_indexed | 2024-12-10T15:44:51Z |
| publishDate | 2016-11-01 |
| publisher | Norwegian Polar Institute |
| record_format | Article |
| series | Polar Research |
| spelling | doaj.art-545d104e678642f384c4d2413be0ef712022-12-22T01:42:59ZengNorwegian Polar InstitutePolar Research1751-83692016-11-013501610.3402/polar.v35.3053230532Sponge richness on algae-dominated rocky reefs in the western Antarctic Peninsula and the Magellan StraitCésar A. Cárdenas0Emma M. Newcombe1Eduardo Hajdu2Marcelo Gonzalez-Aravena3Shane W. Geange4James J. Bell5 Scientific Department, Chilean Antarctic Institute, Plaza Muñoz Gamero 1055, Punta Arenas 6200965, Chile Cawthron Institute, Nelson, 98 Halifax Street, The Wood, Nelson 7010, New Zealand National Museum, Department of Invertebrates, Federal University of Rio de Janeiro, Quinta da Boa Vista, s/n, 2090-040, Rio de Janeiro, RJ, Brazil Scientific Department, Chilean Antarctic Institute, Plaza Muñoz Gamero 1055, Punta Arenas 6200965, Chile Department of Conservation, 32 Manners St, Te Aro, Wellington 6011, New Zealand School of Biological Sciences, Victoria University of Wellington, P.O. Box 600, Wellington 6140, New ZealandSponges are important components of high-latitude benthic communities, but their diversity and abundance in algal-dominated rocky reefs has been underestimated because of the difficulty of in situ identification. Further, the influence of canopy-forming algae on sponge richness has been poorly studied in southern high-latitude rocky reefs compared to other latitudes. Here, we quantified taxon richness of sponges in algae-dominated rocky reefs at three sites in the western Antarctic Peninsula (62–64° S) and two sites in the Magellan region (53° S). We found higher sponge richness at sites in Antarctica (15) than in Magallanes (8), with Antarctic sponge richness higher than that reported for Arctic algal beds and similar to that reported for temperate regions. Estimated sponge richness at our Antarctic sites highlights diverse sponge assemblages (16–26 taxa) between 5 and 20 m that are typically dominated by macroalgae. Our results suggest that sponge assemblages associated with canopy-forming macroalgae on southern high-latitude reefs are more diverse than previously thought.http://www.polarresearch.net/index.php/polar/article/view/30532/49799Poriferasponge–algae interactionsAntarcticasub-Antarcticsouthern high-latitudes. |
| spellingShingle | César A. Cárdenas Emma M. Newcombe Eduardo Hajdu Marcelo Gonzalez-Aravena Shane W. Geange James J. Bell Sponge richness on algae-dominated rocky reefs in the western Antarctic Peninsula and the Magellan Strait Polar Research Porifera sponge–algae interactions Antarctica sub-Antarctic southern high-latitudes. |
| title | Sponge richness on algae-dominated rocky reefs in the western Antarctic Peninsula and the Magellan Strait |
| title_full | Sponge richness on algae-dominated rocky reefs in the western Antarctic Peninsula and the Magellan Strait |
| title_fullStr | Sponge richness on algae-dominated rocky reefs in the western Antarctic Peninsula and the Magellan Strait |
| title_full_unstemmed | Sponge richness on algae-dominated rocky reefs in the western Antarctic Peninsula and the Magellan Strait |
| title_short | Sponge richness on algae-dominated rocky reefs in the western Antarctic Peninsula and the Magellan Strait |
| title_sort | sponge richness on algae dominated rocky reefs in the western antarctic peninsula and the magellan strait |
| topic | Porifera sponge–algae interactions Antarctica sub-Antarctic southern high-latitudes. |
| url | http://www.polarresearch.net/index.php/polar/article/view/30532/49799 |
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