Macrobenthic polychaete assemblages of the continental shelf and upper slope off the west coast of the South Island, New Zealand

Probert, P. Keith; Read, Geoffrey B.; Grove, Simon L.; Rowden, Ashley A.

doi:10.1080/00288330.2001.9517057

Cited by 21 publications

(22 citation statements)

References 42 publications

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“…Along several locations on the west coast of India and parts of the southwest Indian Ocean, benthic faunal abundance and diversity have largely been attributed to the sediment nature and depth , Ingole et al 1992 in conformity with the generalised hypotheses of Sanders (1968). Changes in the macrobenthic faunal community with depth is a widely recognised pattern on continental shelves on the mainland of southern California (Bergen et al 2001), the west coast of South Island, New Zealand (Probert et al 2001), and the Bacia de Campos area, southeastern Brazil (Da Silva Attolini & Santo Tararam 2001).…”

Section: Discussionmentioning

confidence: 99%

“…m -2 ) . Off the west coast of South Island, New Zealand, including Tasman Bay (Probert et al 2001), the north Queensland coast, Australia (Alongi & Christofferson 1992) and the Norwegian Continental Shelf (Ellingsen & Gray 2002), polychaetes constituted the most dominant group, represented predominantly by spionids. Off Visakhapatnam, spionids contributed heavily (69.4%) to the infauna (Raman & Adiseshasai 1989).…”

Section: Discussionmentioning

confidence: 99%

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Macrobenthic community structure of the northeast Indian shelf, Bay of Bengal

Ganesh¹,

Raman²

2007

Mar. Ecol. Prog. Ser.

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) and 32 epibenthos (through a naturalist dredge 40 × 40 cm) were collected that revealed 169 species representing 15 diverse groups. Gastropods, bivalves, polychaetes and decapods constituted the bulk of the population. Polychaetes were by far the most dominant group (64.98%) among the infauna followed by amphipods (25.23%), which were numerically more abundant (mean 1080 ± 292 ind. m ). There was a preponderance of decapods (26%), gastropods (20.7%), bivalves (8.3%) and several (28.3%) largesized polychaetes (e.g. Diopatra neapolitana, Eunice indica, Pista sp.) in the dredge hauls (mean abundance 42 ± 8 ind. haul -1 ). Infaunal diversity (Shannon-Wiener H ') was higher (H ': 2.455 ± 0.18) at 51 to 75 m relative to the sites at >150 m depth (H ': 0.981 ± 0.17). Multivariate analyses were used to define assemblages named after the most important (determining) taxon. Three epifaunal associations could be recognised off the northeast Indian shelf, namely the Charybdis Assemblage (30 to 50 m), the Liagore Assemblage (51 to 75 m), and the Amygdalum watsoni -Tibia delicatula Assemblage (>100 m). Infaunal associations consisted of Ampelisca (30 to 75 m), Nephtys (76 to 100 m) and Cossura coasta (>100 m). Canonical correspondence analysis (CCA) showed that depth, sand, sediment organic matter and sediment mean size influenced epifauna distribution, whereas for infauna, salinity, temperature, mean particle diameter, sand and depth proved important.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Macrobenthic community structure of the northeast Indian shelf, Bay of Bengal

Ganesh¹,

Raman²

2007

Mar. Ecol. Prog. Ser.

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“…Recent investigations continue to show that the sediment characteristics are primary factors determining the spatial patterns of macrobenthos and polychaete assemblages (e.g. Muniz and Pires, 2000;Probert et al, 2001;Hernández-Arana et al, 2003;RodriguezVillanueva et al, 2003;Dauvin et al,, 2004;Díaz-Castañeda and Harris, 2004).…”

Section: Discussionmentioning

confidence: 99%

Polychaete assemblages in the Argentinean Biogeographical Province, between 34° and 38° S

Bremec¹,

Giberto²

2006

Sci. Mar.

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SUMMARY: Polychaete assemblages were studied from samples taken in the Southwestern Atlantic, between 34°S and 38°S (Argentinean Biogeographical Province) during 1993, 2001 and 2002 from a series of oceanographic cruises in mixohaline to oceanic waters. Polychaetes represented almost 25% (number of taxa) of the macrobenthic assemblages; 57 taxa corresponding to 29 families were identified. The MDS plot shows an ordination of samples according to the following areas: the central estuary and mouth of Río de la Plata (group 1), the coastal shelves of Uruguay and Argentina and the transect off the mouth of Río de la Plata (groups 2 and 3) and other coastal stations from both countries (groups 4 and 5). The abiotic variable that best explained the distribution pattern (BIO-ENV analysis) was the bottom salinity, while the best combination included 2 variables: bottom salinity and type of bottom. Trophic diversity increased with salinity. The distributional range of four species: Sabellaria bellis Hansen, 1882; Travisia amadoi Elías et al., 2003a: Terebellides lanai Solis-Weiss et al., 1991 and Aglaophamus uruguayi Hartman, 1953

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“…At the shallowest zone, salinity can be reduced, and only a few polychaete species, considered as opportunistic, can increase their density with these environmental changes, being this condition adverse to many other species. This response can be favored by organic matter dragged by runoffs from the coast and nearby rivers, increasing the organic matter input, which can be a direct or indirect source of food to these organisms (Probert et al, 2001). As the distance progresses from this point of high discharge of the delta towards open sea, Alongi's model predicts reduced solid suspended amounts in the water column, which permits development of a higher primary productivity (more light penetration), this last one also favored by a higher water column mix and oxygenation, because depth is greater, which leads towards the development of a denser and more bio diverse benthic community.…”

Section: Discussionmentioning

confidence: 99%

“…The authors explained that this can relate to a very similar functional structure between these communities, dominated by detritivorous polychaetes; being also present predator habits families, mainly syllids and lumbrinerids, but in a lower proportion. Probert et al (2001) report the importance of Spionidae family for the west coast of New Zeland (48,7%), especially in shallow waters (depths < 100m), where there is a vast fresh water discharge and terrestrial sediment drag towards the marine receptor waters. The polychaete species composition, richness and abundance found show the presence of a very marked spatial pattern.…”

Section: Discussionmentioning

confidence: 99%