Human impacts on biogenic habitats: Effects of experimental trampling on Sabellaria alveolata (Linnaeus, 1767) reefs

Plicanti, Adriana; Domínguez, Rula; Dubois, Stanislas F.; Bertocci, Iacopo

doi:10.1016/j.jembe.2016.02.001

Cited by 44 publications

(45 citation statements)

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“…S. alveolata reefs have been deeply investigated in the Bay of Mont Saint-Michel (France), which hosts the largest European Sabellaria formations (Gruet 1970(Gruet , 1972Dubois et al 2002Dubois et al , 2003Dubois et al , 2006, and in the Mediterranean Sea (Sparla et al 1992;Lo Brutto and Sparla 1993;Gambi et al 1996;Nicoletti et al 2001;La Porta et al 2009;Iaciofano et al 2015). Very few studies, however, have been conducted on S. alveolata reefs and their associated benthic infauna from the Portuguese coast (but see Sousa Diaz and Paula 2001; Plicanti et al 2016). Amphipods could play a key role in biodiversity monitoring, due to their great abundance, their wide distribution across several habitats, and their high morphological, functional, and behavioral diversity (Lo Brutto et al 2013;Scipione 2013).…”

Section: Introductionmentioning

confidence: 99%

The amphipod assemblages of Sabellaria alveolata reefs from the NW coast of Portugal: An account of the present knowledge, new records, and some biogeographic considerations

Plicanti

Iaciofano

Bertocci³

et al. 2016

Mar Biodiv

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Amphipod assemblages associated with the biogenic reefs built by the honeycomb worm Sabellaria alveolata were studied at two sites (Praia da Aguda and Belinho) along the northwestern coast of Portugal. A total of 3909 specimens were collected, comprising 14 different amphipod species. A first record from the northeastern Atlantic coast was registered here for the species Caprella santosrosai, which was, up to now, recorded only along the Mediterranean coast of the Iberian Peninsula. A male specimen collected from the Sabellaria-reef located in Belinho allowed an update to the known distribution of C. santosrosai, thus altering its previous status as an endemic Mediterranean species. The most common species collected during the study were Microdeutopus chelifer (n = 1828), Jassa ocia (n = 1426), and Hyale stebbingi (n = 452). Forty-three percent of the total recorded species were encountered in both study sites, whereas the remaining 57 % were restricted to a single site (Belinho). The majority of the collected species (93 %) showed an Atlantic-Mediterranean distribution, confirming the close affinity between eastern Atlantic and Mediterranean amphipod assemblages and the role of the Portuguese coast as a transition zone through which numerous warm-water species, coming from North Africa and the Mediterranean Sea, could enter into the Atlantic and possibly get mixed with species coming from the North Sea and the Arctic, typically having affinity for colder waters.

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Section: Introductionmentioning

confidence: 99%

The amphipod assemblages of Sabellaria alveolata reefs from the NW coast of Portugal: An account of the present knowledge, new records, and some biogeographic considerations

Plicanti

Iaciofano

Bertocci³

et al. 2016

Mar Biodiv

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“…Piccioni et al, 1988) may be responsible, at least in part, for such biogeographic patterns. In non-Mediterranean regions, the majority of studies reported the exclusive occurrence of S. alveolata (e.g., Wilson, 1976;Dubois et al, 2002;Plicanti et al, 2016) or S. spinulosa (e.g., Hendrick and Foster-Smith, 2006), with the first species normally being more common and abundant in the intertidal environment (e.g., Firth et al, 2015), while the second in the subtidal environment (e.g., Pearce et al, 2014). In some cases, coexisting S. alveolata and S. spinulosa have been recorded (e.g., Wilson, 1970aWilson, , 1970b, but not at the small scale documented in the Sicily Channel.…”

Section: Discussionmentioning

confidence: 99%

“…For instance, activities such as oyster farming and fishing may cause critical damage to the structure of both mature and developing reefs (Dubois et al, 2002(Dubois et al, , 2006(Dubois et al, , 2007. Even the physical disturbance produced by low intensities of trampling was experimentally indicated as responsible for significant reductions in the cover of intact S. alveolata concretions (Plicanti et al, 2016). Concomitantly, biogenic reefs are subject to physical damage by meteorological events like extreme storms, precipitation, temperature and acidification.…”

Section: Introductionmentioning

confidence: 99%

“…Muller and Stone, 2001;Wolff et al, 2016) and is modelled to further increase in the near future due to climate change (Webster et al, 2005;Sriver and Huber, 2006;Trapp et al, 2007). The tube-building activity of Sabellaria may effectively repair small damaged areas of the reef within weeks or months (Cunningham et al, 1984;Vorberg, 2000;Plicanti et al, 2016), but heavier impacts may take years up to decades (Firth et al, 2015) to recover depending on temporally variable processes, such as larval supply (Gruet, 1986;Ayata et al, 2009). Permanent changes to the structure of the reef are also reported (Gibb et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

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Reducing the data-deficiency of threatened European habitats: Spatial variation of sabellariid worm reefs and associated fauna in the Sicily Channel, Mediterranean Sea

Bertocci

Badalamenti

Brutto

et al. 2017

Marine Environmental Research

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a b s t r a c tBiogenic reefs, such as those produced by tube-dwelling polychaetes of the genus Sabellaria, are valuable marine habitats which are a focus of protection according to European legislation. The achievement of this goal is potentially hindered by the lack of essential empirical data, especially in the Mediterranean Sea. This study addresses some of the current knowledge gaps by quantifying and comparing multi-scale patterns of abundance and distribution of two habitat-forming species (Sabellaria alveolata and S. spinulosa) and their associated fauna along 190 km of coast on the Italian side of the Sicily Channel. While the abundance of the two sabellariids and the total number of associated taxa did not differ at any of the examined scales (from tens of centimetres to tens-100 of kilometres), the structure (composition in terms of both the identity and the relative abundance of constituting taxa) of the associated fauna and the abundance of several taxa (the polychaetes Eulalia ornata, Syllis pulvinata, S. garciai, Nereis splendida and Arabella iricolor, and the amphipods Apolochus neapolitanus, Tethylembos viguieri and Caprella acanthifera) varied among locations established~50e100 km apart. Syllis pulvinata also showed significant variation between sites (hundreds of metres apart), analogously to the other syllid polychaetes S. armillaris and S. gracilis, the nereidid polychaete Nereis rava, and the amphipod Gammaropsis ulrici. The largest variance of S. spinulosa, of the structure of the whole associated fauna and of 56% of taxa analysed individually occurred at the scale of replicates (metres apart), while that of the dominant bio-constructor S. alveolata and of 25% of taxa occurred at the scale of sites. The remaining 19% and the total richness of taxa showed the largest variance at the scale of locations. Present findings contribute to meet a crucial requirement of any future effective protection strategy, i.e., identifying relevant scales of variation to be included in protection schemes aiming at preserving representative samples not only of target habitats and organisms, but also of the processes driving such variability.

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“…En este sentido, el nivel taxonómico necesario y suficiente para cumplir con el objetivo de un estudio se denomina suficiencia taxonómica (del inglés "taxonomic sufficiency") (Ellis 1985); la decisión acerca de la resolución a la que los organismos deben ser identificados depende, esencialmente, del objetivo propuesto. La resolución usada aquí estuvo en concordancia con diferentes estudios en los cuales los efectos generados sobre las comunidades luego de un disturbio se detectan apropiadamente usando resoluciones taxonómicas superiores (familias u órdenes) sin perder robustez en la evaluación del impacto (De Biasi et al 2003;Bacci et al 2009;Plicanti et al 2016). Este enfoque es relevante a la hora de minimizar el tiempo de análisis (y los costos asociados) en función de obtener resultados, un punto clave en los estudios de evaluación de impacto ambiental.…”

Section: D��unclassified

Comunidades infaunales asociadas a la almeja Ensis macha: impacto de la pesca por hidrojet

Méndez

Robledo²,

Molen

2017

Ecol. Austral

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R��. La almeja navaja (género Ensis) se explota en todo el mundo mediante una variedad de artes de pesca. Los impactos ambientales asociados a estas pesquerías incluyen cambios en las características físicas del sedimento y en la columna de agua, también efectos sobre las comunidades asociadas y sobre las mismas especies objetivo. El impacto producido depende principalmente del arte de pesca, del tipo de hábitat y de la intensidad de pesca. Los marisqueros del Golfo San José (Península Valdés, Chubut) emplean el hidrojet, una técnica que implica la inyección de agua en el sustrato para extraer navajas en distintos bancos. Si bien la explotación de este recurso en el Golfo San José aún es incipiente, resulta clave el estudio del impacto de esta pesquería para poder establecer medidas de manejo que se adecuen a la técnica empleada y al ambiente del Golfo, antes de que la pesquería se desarrolle a mayor escala. Así, el objetivo de este estudio fue evaluar de forma experimental el impacto de la pesca de la almeja navaja Ensis macha mediante el uso de la técnica hidrojet sobre las comunidades bentónicas asociadas a los bancos de esta almeja en el Golfo San José. Para ello, se comparó la composición de la fauna bentónica en dos bancos de navajas, uno con actividad extractiva y otro control, en el momento de la pesca y al año de realizada la actividad. Las comparaciones mostraron que en el tiempo inicial no se observaron diferencias entre el banco impactado y el control, mientras que luego de un año de realizada la actividad de pesca, las diferencias en la composición de las comunidades de ambos bancos fueron significativas. Así, el banco control se caracterizó por la presencia de poliquetos, anfípodos y estomatópodos, mientras que los moluscos bivalvos y gasterópodos fueron los grupos más representativos en el banco impactado. Los resultados hallados son útiles para sugerir medidas de conservación y gestión que eviten la degradación de la biodiversidad local.[Palabras clave: Patagonia, suficiencia taxonómica] A��. Infaunal communities associated to the razor clam Ensis macha: water-jet fishing impact. Razor clams (genus Ensis) are exploited worldwide through a variety of fishing gears. The environmental impacts produced by these fisheries include changes in the sediment physical characteristics and the water column, as well as the effects on the associated communities and on the target species. The impact mainly depends on the fishing gear, the type of habitat and the fishing intensity. San José gulf (Península Valdés, Chubut) fishermen use the water-jet technique, which involves the injection of water into the substrate to extract the razor clams. Although the exploitation of this resource in the San José gulf is still incipient, it is important to study the impact of this fishery in order to establish appropriate management measures to related the technique used and to the gulf environment, before the fishery grows. Thus, the aim of this study was to experimentally evaluate the impact of Ensis macha water-j...

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Human impacts on biogenic habitats: Effects of experimental trampling on Sabellaria alveolata (Linnaeus, 1767) reefs

Cited by 44 publications

References 59 publications

The amphipod assemblages of Sabellaria alveolata reefs from the NW coast of Portugal: An account of the present knowledge, new records, and some biogeographic considerations

The amphipod assemblages of Sabellaria alveolata reefs from the NW coast of Portugal: An account of the present knowledge, new records, and some biogeographic considerations

Reducing the data-deficiency of threatened European habitats: Spatial variation of sabellariid worm reefs and associated fauna in the Sicily Channel, Mediterranean Sea

Comunidades infaunales asociadas a la almeja Ensis macha: impacto de la pesca por hidrojet

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