The impact of sediment accumulations, relative habitat complexity and elevation on rocky shore meiofauna

Gibbons, M. J.

doi:10.1016/0022-0981(88)90125-6

Cited by 80 publications

(73 citation statements)

References 23 publications

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“…In any case, along the Iberian Peninsula, the Strait is the area with higher rates of species replacement or turnover, as measured by the Whittaker index in the present study. Among the physicochemical parameters, hydrodinamism and sedimentation rate are reported in literature as two of the most relevant factors to structure marine communities (Moore 1972;Dodds 1991;Gibbons 1988), together with temperature, conductivity, availability of food, predation and habitat structure (Duffy and Hay 1991;Dauby et al 2001). In the present study, according to the CCA and BIO-ENV, conductivity was the variable which better explained peracarid distribution along the Iberian Peninsula.…”

Section: Discussionmentioning

confidence: 99%

Distribution patterns of the peracarid crustaceans associated with the alga Corallina elongata along the intertidal rocky shores of the Iberian Peninsula

Izquierdo

Guerra-García

2010

Helgol Mar Res

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Spatial patterns of intertidal peracarids, associated with the alga Corallina elongata, were studied along the whole Iberian Peninsula. A total of 28,215 specimens were collected, comprising 78 different species (57 amphipods, 16 isopods, 4 tanaids and 1 cumacean), most of them with Atlantic-Mediterranean distribution (60%) and only 9% of Mediterranean endemics. Gammarids were dominant in abundance and number of species, representing more than 70% of the total peracarids. The most common species collected during the present study were the caprellid Caprella penantis, the gammarids Hyale schmidti, Hyale stebbingi, Jassa cf. falcata and Stenothoe monoculoides, the isopod Ischyromene lacazei and the tanaid Tanais dulongii. Caprellids and tanaidaceans presented their highest populations in the stations of the Strait of Gibraltar, whereas isopods were more abundant in Atlantic stations. Univariate analyses did not reflected differences in number of species, abundance and ShannonWeaver diversity between Mediterranean and Atlantic. However, cluster analyses and Whittaker index, as measure of ß-diversity, showed a different species composition between Mediterranean and Atlantic and a replacement of species along the coast, especially at the Strait of Gibraltar. The turnover mainly affected species of the same genera, probably related with sympatric speciation. CCA and BIO-ENV analyses showed high correlations between environmental measures (especially conductivity) and peracarid distribution. Mediterranean species tolerated higher values of conductivity and temperature, while Atlantic species were associated with stations characterized by higher oxygen concentrations.

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Section: Discussionmentioning

confidence: 99%

Distribution patterns of the peracarid crustaceans associated with the alga Corallina elongata along the intertidal rocky shores of the Iberian Peninsula

Izquierdo

Guerra-García

2010

Helgol Mar Res

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“…Some algae, eventually, tolerate being covered and uncovered by natural sediments (Gibbons, 1988). The timing of this cycle is probably an important factor in the composition of the regional flora.…”

Section: Discussionmentioning

confidence: 99%

Iron ore particles on four seaweed species from Camburi Beach (Espírito Santo state, Brazil)

Nassar

Yoneshigue‐Valentin

2006

Braz. j. oceanogr.

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A B S T R A C TThe present study estimated the iron-ore concentration found on four species of seaweed. The species tested grow on a site heavily contaminated by this ore, in the city of Vitória, state of Espírito Santo, Brazil. Under natural conditions, the iron ore reached a temperature 5.0 o C higher than the sand on a sunny day. All the species had iron ore adhered to their fronds. Udotea cyathiformis was the species with the highest iron-ore concentration varing from 0.07 to 0.90 g wet weight, followed by Lobophora variegata (from 0.07 to 0.62 g wet weight), Padina gymnospora (from 0.08 to 0.55 g wet weight) and Ulva fasciata (from 0.05 to 0.25 g wet weight). Even after four changes of water over a 12-hour period, the fronds still had particles adhered to their outside cell wall. All the species showed similar tendencies to release the iron, with the highest percentage of particles (40 to 60%) released in the first change of water. R E S U M OMinério de ferro particulado sobre quatro macroalgas da Praia de Camburi (Estado do Espírito SantoBrasil). O presente trabalho determinou a concentração de minério de ferro presente em quatro macroalgas. As espécies testadas ocorrem em um local extremamente contaminado por este particulado, na cidade de Vitória, Estado do Espírito Santo, Brasil. Sob condições naturais, o minério de ferro alcançou um temperatura de até 5,0 o C acima da temperatura da areia em um dia ensolarado.Todas as espécies estudadas apresentavam minério em suas paredes externas. A espécie Udotea cyathiformis apresentou a maior concentração de minério em sua fronde variando de 0,07 a 0,90 g massa úmida, seguida por Lobophora variegata (de 0,07 a 0,62 g massa úmida), Padina gymnospora (de 0,08 a 0,55 g massa úmida) e Ulva fasciata (de 0,05 a 0,25 g massa úmida). Mesmo após sucessivas trocas de água, as frondes ainda apresentavam partículas aderidas às suas paredes celulares externas. As espécies apresentaram a mesma tendência de liberação de minério, sendo a maior percentagem do particulado liberada na primeira troca de água (40 a 60%).

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“…mussel beds and oysters, coral and vermetid reefs), increase the structural complexity of substrate and concur in physically and chemically structuring the intertidal, emerging as some of the most crucial determinants in structuring meiofaunal communities (Norkko et al, 2001;Danovaro & Fraschetti, 2002;Reise, 2002;Kostylev et al, 2005;Danovaro et al, 2007;Bianchelli et al, 2013). A lot of studies have shown the role of macroalgae in influencing meiofaunal settlement and distribution, trapping the sediment and providing detritus as useful food for grazers (Gibbons, 1988a;Arroyo et al, 2004;Urban-Malinga et al, 2008), refuges from predation and dislodgment, and ameliorating physical conditions by retaining water and offering protection from desiccation (Gibbons, 1988a, b;Danovaro & Fraschetti, 2002;Danovaro et al, 2007;Logan et al, 2008). The studies on meiofauna associated with oyster and mussel beds generally suggest that it is more related to functional trait organisms, such as biodeposition (Dittmann, 1990;Reise, 2002;Norling & Kautsky, 2007;Radziejewska et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Influence of environmental factors and biogenic habitats on intertidal meiofauna

et al. 2017

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This study investigated the influence of physical and chemical conditions and biotic factors on the distribution and diversity of meiofauna in intertidal zone along a geographical gradient. At 11 sites along the Italian coast, we studied the concurring role of environmental variables, trophic resources and the presence of habitat-forming species (macroalgae vs. mussels) in controlling the meiofaunal communities. The increase of water temperature combined with local thermal conditions was associated with a decrease in nematodes and copepods, with a consequent decrease in meiofaunal abundance towards the south. However, the increase in salinity, as geographical gradient decreases, and local thermal conditions favoured the settlement of a greater number of taxa, influencing communities' composition. The presence of macroalgae or mussels differently influenced the community structure of meiofauna on intertidal substrates and their response to environmental factors. From our results, the presence of macroalgae coverage appeared to reduce the impact of thermal stress on meiofauna and was associated with higher levels of meiofaunal diversity with respect to mussels. This work highlighted the importance of considering the interplay among biotic and abiotic factors, resulting in local combinations of environmental conditions, in order to understand the pattern of diversity and distributions of marine organisms.

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The impact of sediment accumulations, relative habitat complexity and elevation on rocky shore meiofauna

Cited by 80 publications

References 23 publications

Distribution patterns of the peracarid crustaceans associated with the alga Corallina elongata along the intertidal rocky shores of the Iberian Peninsula

Distribution patterns of the peracarid crustaceans associated with the alga Corallina elongata along the intertidal rocky shores of the Iberian Peninsula

Iron ore particles on four seaweed species from Camburi Beach (Espírito Santo state, Brazil)

Influence of environmental factors and biogenic habitats on intertidal meiofauna

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