Ecology and biology of marine oligochaeta — an inventory rather than another review

Giere, Olav

doi:10.1007/1-4020-5368-1_11

Cited by 15 publications

(20 citation statements)

References 48 publications

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“…Organic matter content is generally high in silty fine‐grained sediments and was probably not a limiting factor for biogeochemical processes. Theoretically, burrows should increase sediment porosity (Giere , De Lucas Pardo et al. ).…”

Section: Discussionmentioning

confidence: 99%

“…Sediment reworking rates by oligochaetes range from 0.003 (Ravera ) to 0.49 (Matisoff et al. ) cm·d −1 ·(100,000 individuals) −1 ·m −2 , and abundance can range up to a million per m 2 (Bagheri and McLusky , Giere ). Although oligochaetes are significant bioturbators, their abundance and ecological role are hardly ever studied (Evans et al.…”

Section: Introductionmentioning

confidence: 99%

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Biogeomorphic impact of oligochaetes (Annelida) on sediment properties and Salicornia spp. seedling establishment

et al. 2017

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Citation: van Regteren, M., R. ten Boer, E. H. Meesters, and A. V. de Groot. 2017. Biogeomorphic impact of oligochaetes (Annelida) on sediment properties and Salicornia spp. seedling establishment. Ecosphere 8(7):e01872. 10.1002/ecs2.1872Abstract. Oligochaetes (Annelida) are active bioturbators that can be present in high densities in the transition zone between intertidal flats and salt marshes, though their occurrence and functional role remain understudied. This study aimed to clarify the biogeomorphic role of oligochaete bioturbation in facilitating or hindering vegetation establishment. Two microcosm experiments were performed to assess the effect of oligochaete bioturbation on sediment properties, oxidation depth, algal biomass, seed distribution, and germination success of pioneer species Salicornia spp. Oligochaetes created burrow networks in the sediment matrix, which, together with upward conveyor belt feeding, lead to substrate mixing. Sediment reworking rates of oligochaetes were compared with those of polychaete macrofauna. Bioturbation and bio-irrigation of burrows can stimulate resource flows into the sediment. Oxidation depth increased almost tenfold in the presence of oligochaetes. Their bioturbation did not seem to affect sediment properties such as dry bulk density, porosity, and organic matter content. Sediment reworking, however, significantly reduced algal biomass at the surface with possible cascading effects on sediment stability and erodibility. Oligochaete conveyor belt feeding buried Salicornia spp. seeds until below the critical germination depth, thus negatively affecting Salicornia spp. germination and seedling establishment. Our study indicates that small, though numerous, oligochaete bioturbators may reduce lateral expansion potential of salt marshes by hindering the establishment of pioneer vegetation in the transition zone. Additionally, in dynamic fine-grained habitats, these oligochaetes have the feature to quickly oxygenate the sediment top layer.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Biogeomorphic impact of oligochaetes (Annelida) on sediment properties and Salicornia spp. seedling establishment

et al. 2017

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“…These oligochaetes represent final links of very short food chains, with microorganisms as their main source of nutrition (Erseus, 1988). Oligochaetes are well adapted to uptake of nutrients, for exam ple, dissolved amino acids or carbohydrates, directly across the body wall (Giere and Phannkuche, 1982;Petersen et al, 1998;Giere, 2006). Diatoms are mainly the diet of small interstitial oligochaetes and naidid species (Giere and Phannkuche, 1982).…”

Section: Food Selection and Feeding Strategiesmentioning

confidence: 99%

“…There is evidence, albeit from freshwater habi tats, on the digestive selectivity of different bacterial strains by oligochaetes (see review by Giere and Phannkuche, 1982). This feeding mode is obligatory in some mouth and gutless tubificids (Liebezeit et al, 1983) and although there is a lack of detailed studies, it is highly probable that trans-epidermal and trans-intestinal uptake of dissolved organic materials are important trophic modes, especially among small, interstitial oligochaetes (Giere, 2006). Oligochaetes are well adapted to uptake of nutrients, for exam ple, dissolved amino acids or carbohydrates, directly across the body wall (Giere and Phannkuche, 1982;Petersen et al, 1998;Giere, 2006).…”

Section: Food Selection and Feeding Strategiesmentioning

confidence: 99%

Meiofauna as Consumers in Coastal Food Webs

Wołowicz¹,

Sokołowski²,

Urban-Malinga³

et al. 2011

Treatise on Estuarine and Coastal Science

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“…While marine and brackish supralittoral areas along the northern 116 hemisphere are mainly dominated by the genera Enchytraeus, Lumbricillus and Marionina, 117 sandy beaches (wrack zone) are exclusively inhabited by Enchytraeus albidus and 118 Lumbricillus lineatus (Giere and Pfannkuche, 1982;Giere, 2006). As small permeable soil 119 invertebrates, enchytraeids are very susceptible to natural stressors and contaminants.…”

mentioning

confidence: 99%

Adaptations of enchytraeids to single and combined effects of physical and chemical stressors

2016

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16Climate changes are expected to be greatest in the polar and temperate areas, where 17 predictions points to an increase in freeze-thaw events, change in precipitation, evaporation 18 and salinity patterns. These events will therefore affect biological activity of the soil 19 compartment that may result in large impacts in ecosystem functioning and dynamics 20 therein. This concern becomes even more important when considering the presence of 21 contaminants due to intense anthropogenic activity, which may lead to synergistic or 22 a reduction in abundance may result in disturbances of the decomposition processes in 34 soils. The knowledge of the biological, physiological and biochemical limits of 35 enchytraeids to combined effect of physical and chemical stressors are crucial in order to 36 provide a scientific basis for improving the setting of safety factors when extrapolating 37 from controlled (and optimal) laboratory conditions to natural soil ecosystems. Therefore, 38 there is a need to expand and evolve experiments that more realistically mimic the situation 39 Page 2 of 54 Environ. Rev. Downloaded from www.nrcresearchpress.com by University of Otago on 10/05/15 For personal use only. This Just-IN manuscript is the accepted manuscript prior to copy editing and page composition. It may differ from the final official version of record. in the field, where interactions between factors are highly relevant. The 40 synergistic/antagonistic interactions identified in the present review may also represent a 41 stepping-stone in the evaluation and possible inclusion of natural factors, like cold and 42 salinity, in standardized enchytraeid test guidelines and consequently in risk assessment of 43 chemicals.44

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Ecology and biology of marine oligochaeta — an inventory rather than another review

Cited by 15 publications

References 48 publications

Biogeomorphic impact of oligochaetes (Annelida) on sediment properties and Salicornia spp. seedling establishment

Biogeomorphic impact of oligochaetes (Annelida) on sediment properties and Salicornia spp. seedling establishment

Meiofauna as Consumers in Coastal Food Webs

Adaptations of enchytraeids to single and combined effects of physical and chemical stressors

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