Sediment properties and bacterial community in burrows of the ghost shrimp Pestarella tyrrhena (Decapoda: Thalassinidea)

Papaspyrou, Sokratis; Gregersen, Trine; Cox, Raymond P.; Thessalou-Legaki, M.; Kristensen, Erik

doi:10.3354/ame038181

Cited by 94 publications

(87 citation statements)

References 47 publications

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“…One hypothesis is that the microbial assemblages in the oxic and oxidized zones surrounding the burrows are equivalent to communities in surface sediments. In contrast, it has been suggested that burrow walls support unique microbial communities that differ considerably from those found at the surface (Kristensen and Kostka, 2005;Papaspyrou et al, 2005Papaspyrou et al, , 2006. The question remains how microbial communities within burrows compare to the ambient sediment and to the sediment surface.…”

Section: Introductionmentioning

confidence: 72%

“…Few studies on microbial diversity have been performed in benthic systems (Llobet-Brossa et al, 1998;Köpke et al, 2005;Có rdova-Kreylos et al, 2006;Wilms et al, 2006;Liang et al, 2007) and studies on the effect of bioturbation on microbial community structure remain extremely scarce (Plante and Wilde, 2004;Papaspyrou et al, 2005Papaspyrou et al, , 2006. Environmental parameters vary quickly, especially in coastal sediments.…”

Section: Discussionmentioning

confidence: 99%

“…Burrowing behavior is species-specific and to understand the effect of bioturbation on microbial communities one has to take into account the ecology of the macrofauna organisms. Papaspyrou et al (2005) studied the bacterial communities in burrows of the ghost shrimp Pestarella tyrrhena (Decapoda: Thalassinidea). They found a 10-fold increase of bacterial abundance associated with the burrow wall, which they attributed to the higher organic content compared with the surrounding sediment.…”

Section: Discussionmentioning

confidence: 99%

“…Their burrows have been acknowledged as important conduits for chemical exchange between the water column and the sediment, linking the activity of these crustaceans to nutrient recycling, organic matter degradation and primary productivity (for example, Kostka et al, 2002;Papaspyrou et al, 2005). In this study, we examined the impact of the bioturbation activity of the ghost shrimp Neotrypaea californiensis and the fiddler crab Uca crenulata on microbial community compositions in the sediment.…”

Section: Introductionmentioning

confidence: 99%

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Biodiversity of benthic microbial communities in bioturbated coastal sediments is controlled by geochemical microniches

2009

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We used a combination of field and laboratory approaches to address how the bioturbation activity of two crustaceans, the ghost shrimp Neotrypaea californiensis and the fiddler crab Uca crenulata, affects the microbial diversity in the seabed of a coastal lagoon (Catalina Harbor, Santa Catalina Island, CA, USA). Detailed geochemical analyses, including oxygen microsensor measurements, were performed to characterize environmental parameters. We used a whole-assemblage fingerprinting approach (ARISA: amplified ribosomal intergenic spacer analysis) to compare bacterial diversity along geochemical gradients and in relation to subsurface microniches. The two crustaceans have different burrowing behaviors. The ghost shrimp maintains complex, deepreaching burrows and permanently lives subterranean, supplying its burrow with oxygen-rich water. In contrast, the fiddler crab constructs simpler, J-shaped burrows, which it does not inhabit permanently and does not actively ventilate. Our goal was to address how varying environmental parameters affect benthic microbial communities. An important question in benthic microbial ecology has been whether burrows support similar or unique communities compared with the sediment surface. Our results showed that sediment surface microbial communities are distinct from subsurface assemblages and that different burrow types support diverse bacterial taxa. Statistical comparisons by canonical correspondence analysis indicated that the availability of oxidants (oxygen, nitrate, ferric iron) play a key role in determining the presence and abundance of different taxa. When geochemical parameters were alike, microbial communities associated with burrows showed significant similarity to sediment surface communities. Our study provides implications on the community structure of microbial communities in marine sediments and the factors controlling their distribution.

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Section: Introductionmentioning

confidence: 72%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Biodiversity of benthic microbial communities in bioturbated coastal sediments is controlled by geochemical microniches

2009

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“…For example, infaunal burrow walls can have 10-fold higher numbers of bacteria compared with surrounding sediment (Papaspyrou et al, 2005). Such increases are thought to result from several factors including the greater availability of organic material, the presence of biopolymers within the burrow wall and an extension of the oxicanoxic interface, all of which affect redox reactions and solute transport (Kristensen, 2000).…”

Section: Introductionmentioning

confidence: 99%

Bioturbating shrimp alter the structure and diversity of bacterial communities in coastal marine sediments

et al. 2010

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Bioturbation is a key process in coastal sediments, influencing microbially driven cycling of nutrients as well as the physical characteristics of the sediment. However, little is known about the distribution, diversity and function of the microbial communities that inhabit the burrows of infaunal macroorganisms. In this study, terminal-restriction fragment length polymorphism analysis was used to investigate variation in the structure of bacterial communities in sediment bioturbated by the burrowing shrimp Upogebia deltaura or Callianassa subterranea. Analyses of 229 sediment samples revealed significant differences between bacterial communities inhabiting shrimp burrows and those inhabiting ambient surface and subsurface sediments. Bacterial communities in burrows from both shrimp species were more similar to those in surface-ambient than subsurface-ambient sediment (R ¼ 0.258, Po0.001). The presence of shrimp was also associated with changes in bacterial community structure in surrounding surface sediment, when compared with sediments uninhabited by shrimp. Bacterial community structure varied with burrow depth, and also between individual burrows, suggesting that the shrimp's burrow construction, irrigation and maintenance behaviour affect the distribution of bacteria within shrimp burrows. Subsequent sequence analysis of bacterial 16S rRNA genes from surface sediments revealed differences in the relative abundance of bacterial taxa between shrimp-inhabited and uninhabited sediments; shrimp-inhabited sediment contained a higher proportion of proteobacterial sequences, including in particular a twofold increase in Gammaproteobacteria. Chao1 and ACE diversity estimates showed that taxon richness within surface bacterial communities in shrimp-inhabited sediment was at least threefold higher than that in uninhabited sediment. This study shows that bioturbation can result in significant structural and compositional changes in sediment bacterial communities, increasing bacterial diversity in surface sediments and resulting in distinct bacterial communities even at depth within the burrow. In an area of high macrofaunal abundance, this could lead to alterations in the microbial transformations of important nutrients at the sediment-water interface.

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Protecting the Commons: the use of Subtidal Ecosystem Engineers in Marine Management

Braeckman

Rabaut

Vanaverbeke

et al. 2014

Aquatic Conservation

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1. Biodiversity conservation often focuses on threatened or rare species. While this structural asset of biodiversity is indeed important, the functional diversity aspect has to be considered as an even more important criterion for marine management and conservation. This paper explores the use of functionally important ecosystem engineers in North Sea management approaches.2. An overview of several North Sea ecosystem engineering species shows that ecosystem engineers such as bulldozing echinoderms and burrowing shrimps as well as bio-irrigating polychaetes are bound to receive more attention in the management of marine areas than they do now, given their important structuring aspect in associated fauna and implications for seafloor ecosystem functioning.3. The use of ecosystem engineers could contribute considerably to the concept of Ecosystem-Based Management in the marine realm. This is clearly illustrated in the present case study of the bio-irrigating polychaete Lanice conchilega. Since this species manifests both autogenic and allogenic ecosystem engineering properties, the management of human activities that affect common species such as L. conchilega reefs can enhance protection of the entire local ecosystem. In the North Sea, some commonly occurring ecosystem engineers and their engineered habitat can be protected under the European Habitats Directive and the EU Marine Strategy Framework Directive.

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Sediment properties and bacterial community in burrows of the ghost shrimp Pestarella tyrrhena (Decapoda: Thalassinidea)

Cited by 94 publications

References 47 publications

Biodiversity of benthic microbial communities in bioturbated coastal sediments is controlled by geochemical microniches

Biodiversity of benthic microbial communities in bioturbated coastal sediments is controlled by geochemical microniches

Bioturbating shrimp alter the structure and diversity of bacterial communities in coastal marine sediments

Protecting the Commons: the use of Subtidal Ecosystem Engineers in Marine Management

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