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Human impacts in soft-sediment assemblages at Casey Station, East Antarctica: Spatial variation, taxonomic resolution and data transformation
Differences between marine soft-sediment assemblages at disturbed (two waste dumps, a sewage outfall and a wharf) and control locations were found at Casey Station, Antarctica. These differences were
The macrofaunal community of Ecklonia radiata holdfasts: Description of the faunal assemblage and variation associated with differences in holdfast volume
TLDR
The analysis of differences in spatial patterns for summary statistics of the community structure suggested that small-scale variability (sites within locations) was more important than larger scale variability (between locations) and that the most easterly sites at each location supported the highest species count and number of individuals.
New Permian Albaillellid Radiolarians from West Texas
TLDR
Two new species of albaillellid radiolarians have been recovered in the Permian Bone Spring Limestone of the Delaware Basin of West Texas and internal skeletal structures are sufficiently preserved to verify that Parafollicucullus was derived from Albailslella, but was not directly in the Albaillella to Pseudoalbail Lella to Follicucaullus lineage.
An experimental study of the uptake and loss of Ra-226 by the tissue of the tropical freshwater musselVelesunio angasi (Sowerby) under varying Ca and Mg water concentrations
TLDR
A very long biological half-life for Ra-226 in the tissue of V. angasi is indicated, i.e. that the mussel treated Ra- 226 as a metabolic analogue of Ca; however, there are other possible interpretations of these results that need not invoke competitive inhibition.
The reproduction of some littoral molluscs from Macquarie Island (Sub-Antarctic)
TLDR
It is suggested that further data on modes of development could be obtained from specimens of marine invertebrates collected throughout southern latitudes and that such data would enhance zoogeographical interpretations.
Recovery of benthic communities at Macquarie Island (sub-Antarctic) following a small oil spill
TLDR
It is shown that even small incidents of anthropogenic perturbation can have long-lasting consequences for marine communities at Macquarie Island, as shown in the re-evaluated intertidal communities.
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