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Meiofauna matters: The roles of meiofauna in benthic ecosystems
Schratzberger, M.; Ingels, J. (2018). Meiofauna matters: The roles of meiofauna in benthic ecosystems. J. Exp. Mar. Biol. Ecol. 502: 12-25.
In: Journal of Experimental Marine Biology and Ecology. Elsevier: New York. ISSN 0022-0981; e-ISSN 1879-1697, meer
Peer reviewed article  

Beschikbaar in  Auteurs 

Author keywords
    Ecosystem processes; Ecosystem services; Species interactions

Auteurs  Top 
  • Schratzberger, M., meer
  • Ingels, J., meer

    Sedimentary habitats cover most of the ocean bottom and therefore constitute the largest single ecosystem on Earth in spatial coverage. The benthic ecosystem contributes to human well-being by providing essential services such as food production and nutrient cycling. Although meiofauna are well-recognised as an abundant and ubiquitous component of benthic communities, empirical evidence of their wider role in marine ecosystems is scattered across the literature. Some ecologists and decision-makers thus remain sceptical about what meiofauna can tell them about the provision of ecosystem services. This article investigates empirical evidence on the roles of meiofauna in benthic ecosystems using a conceptual model that links the supply of an ecosystem service, the ecosystem processes that contribute to that service (e.g. production, consumption and decomposition of organic matter, nutrient regeneration, and energy transfer to higher trophic levels) and the meiofaunal activities (e.g. bioturbation and feeding) that regulate these processes. Meiofauna activities modify a series of physical, chemical and biological sediment properties. They often do so simultaneously by, for example, displacing sediment grains during burrow construction and displacing organic matter and microorganisms within the sediment matrix during feeding. These modifications directly and indirectly, positively and negatively affect various ecosystem services including sediment stabilisation, biochemical cycling, waste removal and food web dynamics, at various spatial and temporal scales. Meiofauna can mediate ecosystem processes in sediments with little or no macrofauna, thereby increasing the resilience of those benthic ecosystem processes that are essential for the continued delivery of ecosystem services desired by society. This is of growing importance since benthic ecosystems are under increasing anthropogenic pressure. Whilst studies over the past five decades have emphasised the important roles meiofauna play in benthic ecosystems, future studies will need to determine how consistent and widespread these roles are.

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