Erodibility of soft freshwater sediments in Markermeer: the role of bioturbation by meiobenthic fauna

Pardo, M.A. De Lucas; Bakker, Mark; Kessel, Thijs van; Cozzoli, Francesco; Winterwerp, Johan C.

doi:10.1007/s10236-013-0650-0

Cited by 24 publications

(22 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…6) and hydraulic conductivity of the sediment, in agreement with previous studies (Fukuhara, 1987;Nogaro et al, 2006). The degree of consolidation is a key factor in determining sediment erodibility, and sediment with a higher water content is more likely to be eroded (Bale et al, 2006;de Lucas Pardo et al, 2013). The effect of tubificids on sediment water content and consolidation is thus a key reason for the increased sediment resuspension observed in our study.…”

Section: Discussionsupporting

confidence: 81%

The role of tubificid worms (Limnodrilus hoffmeisteri) in sediment resuspension: a microcosm study

Zhang

Shang

et al. 2014

Ann. Limnol. - Int. J. Lim.

View full text Add to dashboard Cite

-Sediment resuspension is an important internal lake process in regulating nutrient cycling and ecosystem structure. Tubificid worms are widely and abundantly distributed in freshwater ecosystems and are able to alter the sediment characteristics. This study was conducted to verify the hypothesis that the alteration of sediments by tubificids may substantially influence the sediment resuspension process. Specifically, we investigated the influence of Limnodrilus hoffmeisteri (Tubificidae) on sediment resuspension using an apparatus designed to simulate the sediment resuspension process in Lake Taihu (China). We examined L. hoffmeisteri according to its density (30 000 ind.m x2 ) in Lake Taihu and simulated the light ) wind processes present in Lake Taihu. Tubificids loosened the sediment through their feeding and defecation activities and increased the sediment water content. The appearance of tubificids increased the suspended solids (SS) in a 1.6 m water column under all three wind processes. During the sedimentation process, SS decreased rapidly in both the control and tubificid treatments. The total SS in the water column was significantly increased by tubificids and it changed significantly with time. In addition, the small size particles of the SS in the tubificid treatment were higher than that in the control. So, the appearance of tubificid worms (L. hoffmeisteri) enhanced sediment resuspension and raised the proportion of small size particles in SS.

show abstract

Section: Discussionsupporting

confidence: 81%

The role of tubificid worms (Limnodrilus hoffmeisteri) in sediment resuspension: a microcosm study

Zhang

Shang

et al. 2014

Ann. Limnol. - Int. J. Lim.

View full text Add to dashboard Cite

show abstract

“…Generally, the intense and shallow burrowing activity of the ostracods participates in homogeneous subsurface disruption (De Lucas Pardo et al, 2013). Their low density associated with high concentrations of filamentous algae in the pioneer mangroves may reduce the local biodiffusive transport.…”

Section: Bioturbation Measurementmentioning

confidence: 99%

Bioturbation functional roles associated with mangrove development in French Guiana, South America

et al. 2017

View full text Add to dashboard Cite

OATAO is an open access repository that collects the work of Toulouse researchers and makes it freely available over the web where possible. This is an author-deposited version published in : http://oatao.univ-toulouse.fr/ Eprints ID : 17613 Any correspondence concerning this service should be sent to the repository administrator: staff-oatao@listes-diff.inp-toulouse.fr Abstract This study aims to qualify, quantify, and compare the sediment reworking rates induced by the meso-(0.25-1 mm) and macro-infauna ([1 mm) along a mangrove growth gradient in the sedimentary dynamics of the French Guiana coast. The characterization of the role of small-infauna bioturbation in mangroves is new despite their known numerical dominance in tropical environments. Bare sediment, pioneer mangroves, and young mangroves were investigated during the dry season and spring tide to characterize their environment, infaunal functional community structure and sediment reworking rates. The biodiffusion differed significantly between mangrove stages, co-varying mainly with density and functional richness. On the contrary, the non-local transport remained similar, despite the mangrove-agespecificity of infauna functional compositions, which responded to modifications in the nature and content of organic matter. The first mangrove infaunal functional sequence is described: organisms that first colonize deposited mud generate the maximum biodiffusive mixing and induce a total downward particle flux (BDF) as high as in the young mangroves; in the pioneer mangroves, the infauna variables and BDF are stressed to minimum values. Our study sheds light on the functional contribution of the small infauna in a mangrove coastal area and quantifies its role in particle transport during mangrove development.

show abstract

“…Results show that sediment discharge from the Yellow River experienced a high rate of consolidation after initial deposition. de Lucas Pardo et al (2013) study the water-bed exchange processes of a lake's muddy bed. The objective of the study is to determine the influence of the development of the thin oxic layer on the water-bed exchange processes, as well as to establish the role of bioturbation on those processes.…”

mentioning

confidence: 99%

The 2011 International Conference on Cohesive Sediment Transport (INTERCOH 2011)

Winterwerp

Manning

2015

Ocean Dynamics

View full text Add to dashboard Cite

Erodibility of soft freshwater sediments in Markermeer: the role of bioturbation by meiobenthic fauna

Cited by 24 publications

References 16 publications

The role of tubificid worms (Limnodrilus hoffmeisteri) in sediment resuspension: a microcosm study

The role of tubificid worms (Limnodrilus hoffmeisteri) in sediment resuspension: a microcosm study

Bioturbation functional roles associated with mangrove development in French Guiana, South America

The 2011 International Conference on Cohesive Sediment Transport (INTERCOH 2011)

Contact Info

Product

Resources

About