Context-dependent community facilitation in seagrass meadows along a hydrodynamic stress gradient
| Autor: | Tom Ysebaert, Joanna Norkko, Christoffer Boström, Lukas Meysick, Alf Norkko, Anna Jansson, Sebastian Valanko, F. Montserrat, Anna Villnäs |
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| Přispěvatelé: | University of Helsinki, Tvärminne Zoological Station, University of Helsinki, Tvärminne Benthic Ecology Team, Tvärminne Zoological Station, Marine Ecosystems Research Group, Tvärminne Benthic Ecology Team |
| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
0106 biological sciences
Foundation species POSITIVE INTERACTIONS COMPETITION Context (language use) Aquatic Science Oceanography 010603 evolutionary biology 01 natural sciences Ecosystem engineer Onderz. Form. D ZOSTERA-MARINA L PHYSICAL STRESS 14. Life underwater Zostera DISTURBANCE Ecology Evolution Behavior and Systematics Seagrass Habitat modification HYPOTHESIS biology Ecology SPECIES RICHNESS 010604 marine biology & hydrobiology 15. Life on land Zostera marina biology.organism_classification Conditional facilitation 1181 Ecology evolutionary biology PATTERNS Environmental science OYSTER REEFS HABITAT EDGES Species richness Faunal assemblage |
| Zdroj: | Journal of Sea Research 150-151 (2019) Journal of Sea Research, 150-151, 8-23 |
| ISSN: | 1385-1101 |
| Popis: | Foundation species host diverse associated communities by ameliorating environmental stress. The strength of this facilitative effect can be highly dependent on the underlying biotic and abiotic context. We investigated community level patterns of macrofauna associated with and adjacent to the marine foundation species eelgrass (Zostera marina) along a hydrodynamic stress gradient. We could demonstrate that the relative importance of this foundation species for its infaunal community increases with environmental variables associated with increasing hydrodynamic stress (depth, sand ripples formation, sediment grain size and organic content). Faunal assemblages in proximity to the Zostera patch edges, however, showed no (infauna) or negative (epifauna) response to hydrodynamic stress. Our study highlights that the facilitative outcome of a foundation species is conditional to the faunal assemblage in question and can be highly variable even between positions within the habitat. |
| Databáze: | OpenAIRE |
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