Community structure. The habitats of benthic assemblages are structured, their species richness (biodiversity, alpha-diversity) and ecological diversity regulated by the interaction of ecological and physical processes. Therefore, some basic questions are: what are those structuring factors? Why is it that sandy bottoms tend to harbor more meiofauna species than muddy bottoms? There are no generally valid answers to these questions. Many scientists contend that biotic factors such as food supply, predation, competition, and reproductive strategies are decisive; others emphasize the impact of abiotic parameters such as exposure, temperature and salinity. Of course, there are good examples of both of these positions in the ecology of meiobenthos. The conclusions depend much on the area investigated (exposed vs. sheltered habitats), the taxonomic and ecological nature of the animals studied (opportunists vs. specialists), and the methods used (life vs. fixed; sieving vs. sorting).
In stable environments such as sheltered flats, nontidal seas, groundwater systems and deep-sea bottoms, biotic factors will have the stronger structuring effect on meiofauna. In extremely stable ecosystems, competitive interactions may induce instabilities in conflicting populations and ultimately cause the displacement (“amensalism”) of the less competitive species. According to the time-stability hypothesis, this means that biotope stability would reduce diversity (Rhoads and Young 1970; Woodin and Jackson 1979a,b; Warwick et al. 1986b).
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
Rights and permissions
Copyright information
© 2009 Springer-Verlag Berlin Heidelberg
About this chapter
Cite this chapter
(2009). Synecological Perspectives in Meiobenthology. In: Meiobenthology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-68661-3_9
Download citation
DOI: https://doi.org/10.1007/978-3-540-68661-3_9
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-68657-6
Online ISBN: 978-3-540-68661-3
eBook Packages: Biomedical and Life SciencesBiomedical and Life Sciences (R0)