Impact of submarine groundwater discharge on fish and zooplankton abundances and on early biofouling processes in a coastal la goon of Tahiti, French Polynesia

DOI

Submarine groundwater discharge (SGD) in to the sea is widely spread and investigated. However, on the impact of SGD on marine organisms in turn very view work has been done. For a better understanding of the interaction between SGD and its surrounding organisms, the impact of SGD on fish and zooplankton abundances as well as on the early biofouling process was investigated in a coastal la goon of Tahiti, French Polynesia. This study is based on the hypothesis of an enhanced biological production due to increased amounts of nutrient input caused by terrestrial fresh water supply to the sea. Presented data showed a significantly larger growth of algal turfs exposed to the freshwater spring. Plankton evaluations suggest ed slightly higher wet weights and abundances around the freshwater. The implemented stationary photo sampling of fish resulted likewise in a significantly higher fish occurrence around the freshwater spring. The presented data suggest that the elevated nutrient concentrations transmitted by SGD may cause a bottom up control resulting in higher zooplankton and fish abundances around SGD.

Identifier
DOI https://doi.org/10.1594/PANGAEA.888416
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.888416
Provenance
Creator Starke, Claudia; Ekau, Werner; Moosdorf, Nils ORCID logo
Publisher PANGAEA
Contributor Leibniz Centre for Tropical Marine Research, Bremen, Germany
Publication Year 2018
Rights Creative Commons Attribution 3.0 Unported; https://creativecommons.org/licenses/by/3.0/
OpenAccess true
Representation
Language English
Resource Type Publication Series of Datasets; Collection
Format application/zip
Size 4 datasets
Discipline Biology; Life Sciences
Spatial Coverage (-149.450 LON, -17.670 LAT); Tahiti, French Polynesia