Data

Effects of Sabella spallanzanii physical structure on soft sediment macrofaunal assemblages: effects on colonisation

Australian Ocean Data Network
O'Brien, A.L. ; Ross, D.J., Dr ; Keough, M.J., Professor
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://catalogue.aodn.org.au/geonetwork/srv/en/metadata.show?uuid=38ff1b70-0e69-11dc-8c12-00188b4c0af8&rft.title=Effects of Sabella spallanzanii physical structure on soft sediment macrofaunal assemblages: effects on colonisation&rft.identifier=https://catalogue.aodn.org.au/geonetwork/srv/en/metadata.show?uuid=38ff1b70-0e69-11dc-8c12-00188b4c0af8&rft.publisher=Australian Ocean Data Network&rft.description=The introduced European polychaete Sabella spallanzanii has become a dominant feature of sub-tidal habitats in south-eastern Australia. This study examines the physical effects of Sabella spallanzanii on macrofaunal assembleges of soft sediments. Macrofaunal assemblages were compared in the presence and absence of real and mimic S. spallanzanni clumps within sub-tidal experimental plots at Clifton Springs, Bellarine Peninsula, Port Phillip Bay, Victoria. The effects of S. spallanzanii on: i) existing macrofaunal assemblage; ii) distribution of larvae and iii) colonisation of macrofauna were tested. This dataset gives the colonisation of macrofauna in trays of sediments which had been defaunated and embedded in sediments within plots of undisturbed sediment (Control) and plots that contained a single clump of 15 S. spallanzanii individuals (Sabella). Sediment trays were colonised predominantly by crustaceans, representing 91% of all individuals found. The presence of Sabella clumps resulted in a significantly higher colonisation of Cylindroleberidid ostracods, but no other effects were detected.Plastic trays (11cm diameter x 6 cm deep), 500 µm sieve, 0.1% Rose Bengal, 70% Ethanol1.Source: a. Dataset: This dataset gives the abundances of each species or taxonomic group found in sediment trays (11 cm diameter x 6 cm deep) that had been defaunated and embedded within four Control and four Sabella plots (1 m2). Control plots were undisturbed sediment without S. spallanzani; Sabella plots contained a clump of S. spallanzanii comprised of 15 individuals. Treatment plots were established in a grid pattern, each 2 m apart within a sub-tidal zone of soft sediments at Clifton Springs, Bellarine Peninsula, Port Phillip Bay, Victoria. Four plots were randomly allocated to each treatment group. Sediment was collected from the study site one week prior to the experiment and defaunated by drying in the sun for three days. Soil trays were initially inserted into the sediment with a perforated lid attached and embedded until the lid was flush with the sediment. Perforated lids were left in place for 24 hours to allow the sediment to re-hydrate, preventing the dispersal of the sediments upon removing the lid. Samples were left in situ for 4 weeks in June 2003. Prior to retrieval, non-perforated lids were attached to soil containers. After collection the soil was stained with 0.1% Rose Bengal and stored in 70% ethanol. Fauna were identified and enumerated after passing sediments through a 500 µm mesh sieve. Data columns in the data set are: Treatment (Control, Sabella); Plot (C1, C2, C3, C4, S1, S2, S5, S6, S7) The remaining data columns give the number of individuals per soil container (11 cm diameter x 6 cm deep) for the following taxa: Electroma georgiana; Bivalves; Polychaetes; Cylindroleberidid; Unidentififed Ostracods; Amphipods; Harpacticoid copepods; Cumaceans; Crustaceans; Gastropods; Total Individuals. For more details on the methods and experimental design see O'Brien, A., Ross, D.J. & Keough, M.J. (2006) Effects of Sabella spallanzanii physical structure on soft sediment macrofaunal assemblages. Marine and Freshwater Research 57: 363-371. b. Scale: Number of individuals per soil container (11 cm diameter x 6 cm deep). c. Media Types: Not Relevant d. Date: June 2003 e. Dates of various parts of the process: Soil was defaunated by drying in the sun for three days. Defaunated soil trays were placed in the field for 4 weeks in June 2003 2. Processing Steps a. Intermediate processing steps (after data capture): Not Relevant b. Methods used to generate final product: Not Relevant&rft.creator=O'Brien, A.L. &rft.creator=Ross, D.J., Dr &rft.creator=Keough, M.J., Professor &rft.date=2007&rft.coverage=northlimit=-38.14944; southlimit=-38.1499; westlimit=144.56639; eastLimit=144.56639&rft.coverage=northlimit=-38.14944; southlimit=-38.1499; westlimit=144.56639; eastLimit=144.56639&rft_rights=Attribution 2.5 Australia http://creativecommons.org/licenses/by/2.5/au/&rft_rights=The citation in a list of references is: citation author name/s (year metadata published), metadata title. Citation author organisation/s. File identifier and Data accessed at (add http link).&rft_subject=biota&rft_subject=BENTHIC HABITAT&rft_subject=EARTH SCIENCE&rft_subject=BIOSPHERE&rft_subject=AQUATIC ECOSYSTEMS&rft_subject=BIOTURBATION&rft_subject=OCEANS&rft_subject=MARINE SEDIMENTS&rft_subject=Oceans | Marine Biology | Marine Invertebrates&rft_subject=Biosphere | Zoology | Invertebrates&rft_subject=CRUSTACEANS&rft_subject=BIOLOGICAL CLASSIFICATION&rft_subject=ANIMALS/INVERTEBRATES&rft_subject=ARTHROPODS&rft_subject=POPULATION DYNAMICS&rft_subject=ECOLOGICAL DYNAMICS&rft_subject=SPECIES/POPULATION INTERACTIONS&rft_subject=Bellarine Peninsula&rft_subject=Port Phillip Bay&rft_subject=subtidal&rft_subject=larvae&rft_subject=Bivalvia&rft_subject=23 199000&rft_subject=Phyoxocephalidae&rft_subject=28 401000&rft_subject=Harpacticoida&rft_subject=27 254000&rft_subject=Cumacea&rft_subject=28 090000&rft_subject=Cylindroleberididae&rft_subject=27 105000&rft_subject=Polychaeta&rft_subject=22 000000&rft_subject=Gastropoda&rft_subject=24 000000&rft_subject=Sabella spallanzanii&rft_subject=22 083031&rft_subject=Electroma georgiana&rft_subject=23 236005&rft_subject=Mysella donaciformis&rft_subject=23 315005&rft.type=dataset&rft.language=English Access the data

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Attribution 2.5 Australia
http://creativecommons.org/licenses/by/2.5/au/

The citation in a list of references is: citation author name/s (year metadata published), metadata title. Citation author organisation/s. File identifier and Data accessed at (add http link).

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Full description

The introduced European polychaete Sabella spallanzanii has become a dominant feature of sub-tidal habitats in south-eastern Australia. This study examines the physical effects of Sabella spallanzanii on macrofaunal assembleges of soft sediments. Macrofaunal assemblages were compared in the presence and absence of real and mimic S. spallanzanni clumps within sub-tidal experimental plots at Clifton Springs, Bellarine Peninsula, Port Phillip Bay, Victoria. The effects of S. spallanzanii on: i) existing macrofaunal assemblage; ii) distribution of larvae and iii) colonisation of macrofauna were tested. This dataset gives the colonisation of macrofauna in trays of sediments which had been defaunated and embedded in sediments within plots of undisturbed sediment (Control) and plots that contained a single clump of 15 S. spallanzanii individuals (Sabella). Sediment trays were colonised predominantly by crustaceans, representing 91% of all individuals found. The presence of Sabella clumps resulted in a significantly higher colonisation of Cylindroleberidid ostracods, but no other effects were detected.

Notes

To assess if the presence of Sabella spallanzanii alters the assemblage of macrofauna that colonise soft sediments.
The research was supported by an Australian Research Council linkage grant.
Various people assisted with field work including E. Bone, P. Addison and R. Watson.

Lineage

Plastic trays (11cm diameter x 6 cm deep), 500 µm sieve, 0.1% Rose Bengal, 70% Ethanol
1.Source:
a. Dataset: This dataset gives the abundances of each species or taxonomic group found in sediment trays (11 cm diameter x 6 cm deep) that had been defaunated and embedded within four Control and four Sabella plots (1 m2). Control plots were undisturbed sediment without S. spallanzani; Sabella plots contained a clump of S. spallanzanii comprised of 15 individuals. Treatment plots were established in a grid pattern, each 2 m apart within a sub-tidal zone of soft sediments at Clifton Springs, Bellarine Peninsula, Port Phillip Bay, Victoria. Four plots were randomly allocated to each treatment group. Sediment was collected from the study site one week prior to the experiment and defaunated by drying in the sun for three days. Soil trays were initially inserted into the sediment with a perforated lid attached and embedded until the lid was flush with the sediment. Perforated lids were left in place for 24 hours to allow the sediment to re-hydrate, preventing the dispersal of the sediments upon removing the lid. Samples were left in situ for 4 weeks in June 2003. Prior to retrieval, non-perforated lids were attached to soil containers. After collection the soil was stained with 0.1% Rose Bengal and stored in 70% ethanol. Fauna were identified and enumerated after passing sediments through a 500 µm mesh sieve.

Data columns in the data set are:
Treatment (Control, Sabella); Plot (C1, C2, C3, C4, S1, S2, S5, S6, S7)
The remaining data columns give the number of individuals per soil container (11 cm diameter x 6 cm deep) for the following taxa: Electroma georgiana; Bivalves; Polychaetes; Cylindroleberidid; Unidentififed Ostracods; Amphipods; Harpacticoid copepods; Cumaceans; Crustaceans; Gastropods; Total Individuals.

For more details on the methods and experimental design see O'Brien, A., Ross, D.J. & Keough, M.J. (2006) Effects of Sabella spallanzanii physical structure on soft sediment macrofaunal assemblages. Marine and Freshwater Research 57: 363-371.

b. Scale: Number of individuals per soil container (11 cm diameter x 6 cm deep).
c. Media Types: Not Relevant
d. Date: June 2003
e. Dates of various parts of the process: Soil was defaunated by drying in the sun for three days. Defaunated soil trays were placed in the field for 4 weeks in June 2003

2. Processing Steps
a. Intermediate processing steps (after data capture): Not Relevant
b. Methods used to generate final product: Not Relevant

Created: 02 02 2007

Data time period: 2003-06-01 to 2003-06-30

Click to explore relationships graph

144.56639,-38.14944 144.56639,-38.1499 144.56639,-38.1499 144.56639,-38.14944 144.56639,-38.14944

144.56639,-38.14967

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