Empty native and invasive bivalve shells as benthic habitat modifiers in a large river

Bódis, Erika; Tóth, Bence; Szekeres, József; Borza, Péter; Sousa, Ronaldo

doi:10.1016/j.limno.2014.07.002

Cited by 43 publications

(34 citation statements)

References 37 publications

(48 reference statements)

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“…Although data on the abiotic conditions in the experimental plots were not available, several works evidence the effects of bivalve shells on the alteration of the community structure (Gutiérrez and Iribarne, 1999;Gutiérrez et al, 2003;Guay and Himmelman, 2004;Sousa et al, 2009;Bódis et al, 2014), supporting our results.…”

Section: Accepted Manuscriptsupporting

confidence: 89%

“…Similar results were found with the addition of empty native and invasive bivalve shells to the Danube River (Bódis et al, 2014). However, the important species differentiators (more than 10% dissimilarity) among "full", "empty" and "natural control" treatments were Nassarius gayi and the increase or decrease of different polychaete species; this is probably a consequence of sediment accumulation in interstices among shells in the "full" treatment treatments).…”

Section: Accepted Manuscriptsupporting

confidence: 72%

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The role of Argopecten purpuratus shells structuring the soft bottom community in shallow waters of southern Peru

Lomovasky

Gamero

Romero

et al. 2015

Journal of Sea Research

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Section: Accepted Manuscriptsupporting

confidence: 89%

Section: Accepted Manuscriptsupporting

confidence: 72%

The role of Argopecten purpuratus shells structuring the soft bottom community in shallow waters of southern Peru

Lomovasky

Gamero

Romero

et al. 2015

Journal of Sea Research

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“…Several invertebrate and fish species use the shell structure as hard substrata ready for colonization (Buchman et al, 2007;Rabaoui et al, 2009;Bódis et al, 2014b). The empty shells act as a refuge from predators and/or unfavorable environmental conditions, and to avoid the detrimental effects of inter-and intraspecific competition (Gutiérrez et al, 2003).…”

Section: Discussionmentioning

confidence: 99%

Contrasting decay rates of freshwater bivalves’ shells: Aquatic versus terrestrial habitats

2015

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a b s t r a c tFreshwater flow regimes are particularly vulnerable to global climate change with changes to the volume and regime of water contributing to global declines in freshwater biodiversity. Droughts or floods can cause massive mortalities of freshwater bivalves, facilitating the accumulation of shells in the aquatic but also in adjacent terrestrial habitats. In order to fully understand the long term impact of these massive mortality events, it is important to assess how bivalve shells persist in the environment. Given that, the present study aimed at studying the shell decays of four different bivalve species (Anodonta anatina, Corbicula fluminea, Potomida littoralis and Unio delphinus) in aquatic (i.e. river) versus terrestrial (i.e. sand soil) habitats. Shell decay rates were significantly different among species and habitats. In the aquatic habitat the shell decay rates varied among species, with the native species A. anatina, which have the largest and thinnest shell, showing the highest decay rate. Alternatively, in the terrestrial habitat the shell decay rates were more even among species and not related to a particular shell feature or morphology, with the native U. delphinus showing the fastest decay. The shell decay rates were 6 to 12 times higher in aquatic than in the terrestrial habitat. These results suggest that bivalve shells can persist for long periods of time on both habitats (but mainly in terrestrial), which may perhaps trigger significant changes on the ecosystem structure and functioning.

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“…Ecosystem engineers by physically altering its structure (Bódis et al, 2014a) 6. Living mussels (Vaughn et al, 2008) and empty shells are substrates and shelters for benthic organisms (Bódis et al, 2014b) 1. In China as a traditional edible mussel (Chen et al, 2012) 2.…”

Section: Role In Freshwater Ecosystemsmentioning

confidence: 99%

Further expansion of the invasive musselSinanodonta woodiana(Lea, 1834) in Poland – establishment of a new locality and population features

Spyra

Jędraszewska

Strzelec

et al. 2016

Knowl. Manag. Aquat. Ecosyst.

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-The increasingly frequent appearance of invasive species of mussels is a common phenomenon nowadays. Their rapid expansion is a significant component of the global changes that pose a great ecological impact and a serious threat to the diversity of native fauna. This study documents new localities of occurrence of Sinanodonta woodiana in Poland. We also attempted to determine its density, biomass, morphometric features and age structure. We found that its presence is clearly related to temperature and that the current range of its occurrence in Poland mostly overlaps with the areas with the highest average annual temperatures. The study showed significant differences in mean density between the fishponds: on particular sites the density amounted to 9 individuals/m 2 and their biomass exceeded 3000 g/m 2 . ANOVA revealed significant differences in the mean dimensions of the shells between the three fishponds related to their height and width. Seven-year-old individuals were the most numerous while one-, two-, five-and six-yearold specimens were the most numerous in pond 2. In our opinion, S. woodiana has created a permanent population that is probably able to breed. This is confirmed by the appearance of one-year-old individuals as well as the other younger age classes.Keywords: invasive species / S. woodiana / new records / mussel Résumé -L'expansion de la moule invasive Sinanodonta woodiana (Lea, 1834) en Polognenouvelles localisations et structure de population. L'apparition de plus en plus fréquente d'espèces envahissantes de moules est un phénomène fréquent. Leur rapide expansion est une composante importante des changements globaux qui causent un fort impact écologique et une grave menace pour la diversité de la faune indigène. Cette étude documente de nouvelles localités d'implantation de Sinanodonta woodiana en Pologne. Nous avons également tenté de déterminer la densité, la biomasse, les caractéristiques morphométriques et la structure d'âge. Nous avons constaté que sa présence est clairement liée à la température et que la gamme actuelle de sa localisation en Pologne recouvre principalement les zones où les températures annuelles moyennes sont les plus élevées. L'étude a montré des différences significatives de la densité moyenne entre les étangs : sur des sites particuliers, la densité est élevée à 9 individus/m 2 et la biomasse a dépassé 3000 g/m 2 . L'ANOVA a révélé des différences significatives dans les dimensions moyennes de hauteur et largeur des coquilles entre trois étangs. Des individus de sept ans étaient les plus nombreux en 1 alors que les spécimens de un, deux, cinq et six ans étaient les plus nombreux dans l'étang 2. À notre avis, S. woodiana a créé une population permanente qui est probablement en mesure de se reproduire. Ceci est confirmé par l'apparition d'individus âgés d'un an ainsi que la présence d'autres classes d'âge jeunes.

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Empty native and invasive bivalve shells as benthic habitat modifiers in a large river

Cited by 43 publications

References 37 publications

The role of Argopecten purpuratus shells structuring the soft bottom community in shallow waters of southern Peru

The role of Argopecten purpuratus shells structuring the soft bottom community in shallow waters of southern Peru

Contrasting decay rates of freshwater bivalves’ shells: Aquatic versus terrestrial habitats

Further expansion of the invasive musselSinanodonta woodiana(Lea, 1834) in Poland – establishment of a new locality and population features

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