Experimental Re-establishment of a Soft Bottom Community: Utilization of Multivariate Analyses to Characterize Different Benthic Recruitments

Díaz‐Castañeda, Victoria; Frontier, Serge; Arenas, Virgilio

doi:10.1006/ecss.1993.1063

Cited by 33 publications

(7 citation statements)

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“…Lacking pelagic larvae, amphipods recolonize through dispersal and colonization from other populations unaffected by pollution, which act as a reservoir (Poggiale and Dauvin, 2001). This indicates that the adult replacement through the water column is highly important, since amphipods can colonize after arriving as adults transported by currents or as active swimmers (Díaz-Castañeda et al, 1993;Guerra-García and García-Gómez, 2006).…”

Section: Recovery Successionmentioning

confidence: 99%

Response of amphipod assemblages to desalination brine discharge: Impact and recovery

de-la-Ossa-Carretero

Del‐Pilar‐Ruso

Loya-Fernández

et al. 2016

Estuarine, Coastal and Shelf Science

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Abstract. 9Desalination has become an important industry whose dense, high-salinity effluent has 10 an impact on marine communities. Without adequate dilution, brine remains on the 11 bottom increasing bottom salinity and affecting benthic communities. Amphipods 12 showed high sensitivity to increased salinity produced by desalination brine discharge. recovery, e.g. Harpinia pectinata. These differences may be dependent on the 20 organism living habits. 21

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Section: Recovery Successionmentioning

confidence: 99%

Response of amphipod assemblages to desalination brine discharge: Impact and recovery

de-la-Ossa-Carretero

Del‐Pilar‐Ruso

Loya-Fernández

et al. 2016

Estuarine, Coastal and Shelf Science

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“…Because the peracarid crustaceans such as Amphipoda group lack a planktonic larvae, colonisation through the water column has to be conducted by juveniles or adults. According to different authors (Hughes & Horsfall, 1990;Diaz-Castaneda et al, 1993;Guerra-Garcia & Garcia-Gomez, 2006), amphipods colonise sediment both via passive transport through the water column, and through active migration of juveniles and adults, which are able to move from the sediment to water column and back to the sediment. This indicates that the contribution of adults through the water column is very important, and was probably facilitated by transports of local currents.…”

Section: Discussionmentioning

confidence: 99%

Amphipod assemblages before and after beach nourishment in the central Adriatic Sea (Italy)

Lattanzi

Targusi

Nicoletti

2013

Crustac

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This study analyses the amphipod assemblages found in seven sites situated along the coasts of the Marche Region (central Adriatic Sea, Italy), before and after beach nourishment activities. The aim of this paper was to evaluate the changes in the structure and species composition of amphipod assemblages after nourishment. Amphipod samples were collected at each site at 2 m and 5 m depths during two different periods: May-June 2008 (before) and June-July 2010 (after). Granulometric analyses were also carried out at the same depths. Nourishment was performed in two periods: May-November 2009 (in all sites except Civitanova Marche) and February 2010 (only in Civitanova Marche). The amphipod assemblages collected before and after beach nourishment at the two depths differed in terms of species composition and abundance, while no significant differences were observed between the control stations and the impacted stations (affected by beach nourishment). The differences observed can probably be ascribed to the changes in the abiotic and biotic factors caused by the nourishment activities in the seven sites. RIASSUNTONel presente lavoro sono stati analizzati, prima e dopo le attività di ripascimento, i popolamenti ad anfipodi in 7 siti posizionati lungo le coste marchigiane (Mar Adriático centrale, Italia). Obiettivo di questo lavoro è valutare modiñcazioni nella struttura e composizione specifica dei popolamenti ad anfipodi in relazione a possibih cambiamenti fisici indotti dalle attività di ripascimento. I campionamenti sono stati effettuati in ogni sito alle profondità di 2 m e 5 m in due diversi periodi: MaggioGiugno 2008 (prima) e Giugno-Lugho 2010 (dopo). I popolamenti anahzzati sono risultati diversi per abbondanze e composizione specifica, prima e dopo le attività di ripascimento e aile diverse profondità, mentre non si evidenziano significative differenze tra le stazioni di controllo e quelle di impatto (dove è avvenuto il ripascimento). Tali differenze sono dovute probabilmente a cambiamenti nei fattori biotici e abiotici avvenuti nei 7 siti in conseguenza delle attività di ripascimento.

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“…Such opportunists colonise disturbed areas through rapid dispersal and high reproductive rates (Grassle and Sanders, 1973;Grassle, 1974;Diaz-Castañeda et al, 1993), and may demonstrate large-scale spatial and temporal fluctuations in response to environmental changes (Grassle and Sanders, 1973;Grassle, 1974;Pearson and Rosenberg, 1978;Fauchald and Jumars, 1979;Bridges et al, 1994;Rossi and Lardicci, 2002;Dean, 2008). The observed increases in these groups are consistent with past studies following environmental or physical disturbance (Thistle, 1981;Sardá and Martin, 1993;Hall and Harding, 1997;Lardicci et al, 1997; Spencer et al, 1998;Chainho et al, 2006).…”

Section: Discussionmentioning

confidence: 99%

Impacts of a novel shellfishing gear on macrobenthos in a marine protected area: pump-scoop dredging in Poole Harbour, UK

Clarke

Esteves

Stillman

et al. 2017

Aquat. Living Resour.

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-Understanding the impact of bottom-fishing gears at various scales and intensities on habitats and species is necessary to inform management. In Poole Harbour, UK, a multiple use marine protected area, fishermen utilise a unique "pump-scoop" dredge to harvest the introduced Manila clam Ruditapes philippinarum. Managers need to balance the socio-economic benefits of the fishery with ecological concerns across the region, which has required a revision of by-laws that include both spatial and temporal measures. Within an operational fishery, we used a Before-After-Control-Impact sampling design to assess the impacts of pump-scoop dredging on benthic physical characteristics and community structure in an area where there was no dredging, an area newly opened to dredging and an area subject to high levels of historic dredging. A sampling grid was used in each area to best capture any fishing effort in the newly opened area. Core samples were taken to a depth of 30 cm within intertidal mudflats. A significant loss of fine sediments was observed in the site subject to high intensity dredging and a significant change in community structure also occurred in both dredged sites throughout the study period. In the newly opened site this was characterised by a relative increase in species richness, including increased abundance of annelid worms, notably Hediste diversicolor and Aphelochaeta marioni and a decline in the abundance of the bivalve mollusc Abra tenuis. These changes, albeit relatively small, are attributed to physical disturbance as a direct result of pump-scoop dredging, although no difference in the classification of the biotope of the site was observed. This is of particular interest to managers monitoring site condition within areas under the new bylaws as the Manila clam is spreading to other protected estuaries in the region.

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Experimental Re-establishment of a Soft Bottom Community: Utilization of Multivariate Analyses to Characterize Different Benthic Recruitments

Cited by 33 publications

References 0 publications

Response of amphipod assemblages to desalination brine discharge: Impact and recovery

Response of amphipod assemblages to desalination brine discharge: Impact and recovery

Amphipod assemblages before and after beach nourishment in the central Adriatic Sea (Italy)

Impacts of a novel shellfishing gear on macrobenthos in a marine protected area: pump-scoop dredging in Poole Harbour, UK

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