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Assessing the drivers behind the structure and diversity of fish assemblages associated with rocky shores in the Galapagos archipelago

Stijn Bruneel (UGent) , Wout Van Echelpoel (UGent) , Long Tuan Ho (UGent) , Heleen Raat, Amber Schoeters, Niels De Troyer (UGent) , Ratha Sor (UGent) , José Fernando Pontón Cevallos, Ruth Vandeputte (UGent) , Christine Van der heyden, et al.
(2021) JOURNAL OF MARINE SCIENCE AND ENGINEERING. 9(4).
Author
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Abstract
Oceanic islands harbor unique yet fragile marine ecosystems that require evidence-based environmental management. Among these islands, the Galapagos archipelago is well known for its fish diversity, but the factors that structure communities within and between its islands remain poorly understood. In this study, water quality, physical habitats and geographical distance were assessed as potential predictors for the diversity and structure of fish assemblages. Differences in the structure of fish assemblages of the two studied islands (Santa Cruz and Floreana) were most likely driven by temperature and nutrient concentrations. In the relatively highly populated island Santa Cruz, the structure of fish assemblages was more affected by water conditions than physical habitats while the contrary was true for the more pristine area of Floreana. A wide variety of species with different geographical origins were distributed over the different islands, which indicates that most fish species are able to reach the islands of the archipelago. However, temperature gradients and elevated nutrient levels cause large differences in the structure of local fish assemblages. In addition, in Santa Cruz nutrient concentrations were negatively correlated with α diversity. Since pollution is a clear pressure on the fish assemblages of oceanic islands, environmental management of the coastal areas is of paramount importance.
Keywords
coastal ecosystem, video monitoring, Tropical Eastern Pacific fish assemblage, Galapagos, water quality, anthropogenic pressure, REEF FISH, DISTRIBUTION MODELS, ISLAND, RICHNESS, BIOGEOGRAPHY, COMMUNITIES, BIOMASS

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MLA
Bruneel, Stijn, et al. “Assessing the Drivers behind the Structure and Diversity of Fish Assemblages Associated with Rocky Shores in the Galapagos Archipelago.” JOURNAL OF MARINE SCIENCE AND ENGINEERING, vol. 9, no. 4, 2021, doi:10.3390/jmse9040375.
APA
Bruneel, S., Van Echelpoel, W., Ho, L. T., Raat, H., Schoeters, A., De Troyer, N., … Goethals, P. (2021). Assessing the drivers behind the structure and diversity of fish assemblages associated with rocky shores in the Galapagos archipelago. JOURNAL OF MARINE SCIENCE AND ENGINEERING, 9(4). https://doi.org/10.3390/jmse9040375
Chicago author-date
Bruneel, Stijn, Wout Van Echelpoel, Long Tuan Ho, Heleen Raat, Amber Schoeters, Niels De Troyer, Ratha Sor, et al. 2021. “Assessing the Drivers behind the Structure and Diversity of Fish Assemblages Associated with Rocky Shores in the Galapagos Archipelago.” JOURNAL OF MARINE SCIENCE AND ENGINEERING 9 (4). https://doi.org/10.3390/jmse9040375.
Chicago author-date (all authors)
Bruneel, Stijn, Wout Van Echelpoel, Long Tuan Ho, Heleen Raat, Amber Schoeters, Niels De Troyer, Ratha Sor, José Fernando Pontón Cevallos, Ruth Vandeputte, Christine Van der heyden, Nancy De Saeyer, Marie Anne Eurie Forio, Rafael Bermudez, Luis Dominguez-Granda, Stijn Luca, Tom Moens, and Peter Goethals. 2021. “Assessing the Drivers behind the Structure and Diversity of Fish Assemblages Associated with Rocky Shores in the Galapagos Archipelago.” JOURNAL OF MARINE SCIENCE AND ENGINEERING 9 (4). doi:10.3390/jmse9040375.
Vancouver
1.
Bruneel S, Van Echelpoel W, Ho LT, Raat H, Schoeters A, De Troyer N, et al. Assessing the drivers behind the structure and diversity of fish assemblages associated with rocky shores in the Galapagos archipelago. JOURNAL OF MARINE SCIENCE AND ENGINEERING. 2021;9(4).
IEEE
[1]
S. Bruneel et al., “Assessing the drivers behind the structure and diversity of fish assemblages associated with rocky shores in the Galapagos archipelago,” JOURNAL OF MARINE SCIENCE AND ENGINEERING, vol. 9, no. 4, 2021.
@article{8705097,
  abstract     = {{Oceanic islands harbor unique yet fragile marine ecosystems that require evidence-based environmental management. Among these islands, the Galapagos archipelago is well known for its fish diversity, but the factors that structure communities within and between its islands remain poorly understood. In this study, water quality, physical habitats and geographical distance were assessed as potential predictors for the diversity and structure of fish assemblages. Differences in the structure of fish assemblages of the two studied islands (Santa Cruz and Floreana) were most likely driven by temperature and nutrient concentrations. In the relatively highly populated island Santa Cruz, the structure of fish assemblages was more affected by water conditions than physical habitats while the contrary was true for the more pristine area of Floreana. A wide variety of species with different geographical origins were distributed over the different islands, which indicates that most fish species are able to reach the islands of the archipelago. However, temperature gradients and elevated nutrient levels cause large differences in the structure of local fish assemblages. In addition, in Santa Cruz nutrient concentrations were negatively correlated with α diversity. Since pollution is a clear pressure on the fish assemblages of oceanic islands, environmental management of the coastal areas is of paramount importance.}},
  articleno    = {{375}},
  author       = {{Bruneel, Stijn and Van Echelpoel, Wout and Ho, Long Tuan and Raat, Heleen and Schoeters, Amber and De Troyer, Niels and Sor, Ratha and Pontón Cevallos, José Fernando and Vandeputte, Ruth and Van der heyden, Christine and De Saeyer, Nancy and Forio, Marie Anne Eurie and Bermudez, Rafael and Dominguez-Granda, Luis and Luca, Stijn and Moens, Tom and Goethals, Peter}},
  issn         = {{2077-1312}},
  journal      = {{JOURNAL OF MARINE SCIENCE AND ENGINEERING}},
  keywords     = {{coastal ecosystem,video monitoring,Tropical Eastern Pacific fish assemblage,Galapagos,water quality,anthropogenic pressure,REEF FISH,DISTRIBUTION MODELS,ISLAND,RICHNESS,BIOGEOGRAPHY,COMMUNITIES,BIOMASS}},
  language     = {{eng}},
  number       = {{4}},
  pages        = {{18}},
  title        = {{Assessing the drivers behind the structure and diversity of fish assemblages associated with rocky shores in the Galapagos archipelago}},
  url          = {{http://doi.org/10.3390/jmse9040375}},
  volume       = {{9}},
  year         = {{2021}},
}
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