Effect of fine-scale habitat differences on algal colonisation in a coral-dominated subtropical reef
Abstract Maintaining the coexistence of algae and corals depends on the interactions between them. We investigated these interactions to assess: (1) recruitment patterns of algal turfs over time in dead areas on live corals; (2) the influence of fine-scale differences in coral-dominated environments...
| Main Authors: | , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Academia Brasileira de Ciências
2021-07-01
|
| Series: | Anais da Academia Brasileira de Ciências |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652021000501012&tlng=en |
| _version_ | 1818986011268481024 |
|---|---|
| author | LEONARDO L. DE CARVALHO ROBERTO C. VILLAÇA |
| author_facet | LEONARDO L. DE CARVALHO ROBERTO C. VILLAÇA |
| author_sort | LEONARDO L. DE CARVALHO |
| collection | DOAJ |
| description | Abstract Maintaining the coexistence of algae and corals depends on the interactions between them. We investigated these interactions to assess: (1) recruitment patterns of algal turfs over time in dead areas on live corals; (2) the influence of fine-scale differences in coral-dominated environments on algal colonisation; (3) the influence of coral as a substrate for algal recruitment; (4) the invasion potential of algal turf on live coral tissue. This study compared algal colonisation directly on dead or damaged coral areas with algal colonisation on recruitment plates in coral-dominated or -free areas at 23, 154, and 230 days. We also monitored coral colonies over 1.5 years. Filamentous and articulated coralline algae were primarily evident in the early colonisation, reaching stability after 154 days. On a fine scale, the coral-dominated environment showed an increase in number of algal species and coverage. However, coral substrate was selective, with fewer species recruited to this substrate compared to the artificial plates. Furthermore, the competitive dynamics between corals and algal turfs did not result in a winner over time. Thus, algal turf colonisation was influenced not only by coral substrate but also by the reef environment on a fine scale. |
| first_indexed | 2024-12-20T18:44:00Z |
| format | Article |
| id | doaj.art-764476c9708f4c6fab109f05deddb94a |
| institution | Directory Open Access Journal |
| issn | 1678-2690 |
| language | English |
| last_indexed | 2024-12-20T18:44:00Z |
| publishDate | 2021-07-01 |
| publisher | Academia Brasileira de Ciências |
| record_format | Article |
| series | Anais da Academia Brasileira de Ciências |
| spelling | doaj.art-764476c9708f4c6fab109f05deddb94a2022-12-21T19:29:45ZengAcademia Brasileira de CiênciasAnais da Academia Brasileira de Ciências1678-26902021-07-0193310.1590/0001-3765202120191191Effect of fine-scale habitat differences on algal colonisation in a coral-dominated subtropical reefLEONARDO L. DE CARVALHOhttps://orcid.org/0000-0002-8706-0924ROBERTO C. VILLAÇAhttps://orcid.org/0000-0002-7329-3516Abstract Maintaining the coexistence of algae and corals depends on the interactions between them. We investigated these interactions to assess: (1) recruitment patterns of algal turfs over time in dead areas on live corals; (2) the influence of fine-scale differences in coral-dominated environments on algal colonisation; (3) the influence of coral as a substrate for algal recruitment; (4) the invasion potential of algal turf on live coral tissue. This study compared algal colonisation directly on dead or damaged coral areas with algal colonisation on recruitment plates in coral-dominated or -free areas at 23, 154, and 230 days. We also monitored coral colonies over 1.5 years. Filamentous and articulated coralline algae were primarily evident in the early colonisation, reaching stability after 154 days. On a fine scale, the coral-dominated environment showed an increase in number of algal species and coverage. However, coral substrate was selective, with fewer species recruited to this substrate compared to the artificial plates. Furthermore, the competitive dynamics between corals and algal turfs did not result in a winner over time. Thus, algal turf colonisation was influenced not only by coral substrate but also by the reef environment on a fine scale.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652021000501012&tlng=enAlgal turfscoralsmarginal reefrocky reefScleractinianSiderastrea |
| spellingShingle | LEONARDO L. DE CARVALHO ROBERTO C. VILLAÇA Effect of fine-scale habitat differences on algal colonisation in a coral-dominated subtropical reef Anais da Academia Brasileira de Ciências Algal turfs corals marginal reef rocky reef Scleractinian Siderastrea |
| title | Effect of fine-scale habitat differences on algal colonisation in a coral-dominated subtropical reef |
| title_full | Effect of fine-scale habitat differences on algal colonisation in a coral-dominated subtropical reef |
| title_fullStr | Effect of fine-scale habitat differences on algal colonisation in a coral-dominated subtropical reef |
| title_full_unstemmed | Effect of fine-scale habitat differences on algal colonisation in a coral-dominated subtropical reef |
| title_short | Effect of fine-scale habitat differences on algal colonisation in a coral-dominated subtropical reef |
| title_sort | effect of fine scale habitat differences on algal colonisation in a coral dominated subtropical reef |
| topic | Algal turfs corals marginal reef rocky reef Scleractinian Siderastrea |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652021000501012&tlng=en |
| work_keys_str_mv | AT leonardoldecarvalho effectoffinescalehabitatdifferencesonalgalcolonisationinacoraldominatedsubtropicalreef AT robertocvillaca effectoffinescalehabitatdifferencesonalgalcolonisationinacoraldominatedsubtropicalreef |