ORCID Profile
0000-0001-6893-6479
Current Organisations
Utrecht University
,
Universiteit Utrecht
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Publisher: Elsevier BV
Date: 08-2021
Publisher: Springer Science and Business Media LLC
Date: 22-03-2017
Publisher: Springer Science and Business Media LLC
Date: 03-08-2018
Publisher: Public Library of Science (PLoS)
Date: 25-01-2017
Publisher: Elsevier BV
Date: 2017
DOI: 10.1016/J.MARPOLBUL.2016.11.016
Abstract: Increasing sediment inputs are recognised as an important factor leading to coral reef degradation. However, the role of sediments in ecological processes is poorly understood. This study used paired-choice trials to quantify the effects of sediment grain size and chemical composition on feeding by the abundant detritivorous reef fish, Ctenochaetus striatus. The size of sediments from algal turfs were also compared to those ingested by reef-dwelling C. striatus. Algal turfs containing coarser sediments were preferred by C. striatus, while sediment composition (reefal carbonates vs. riverine silicates) had little effect. On the reef, C. striatus ingested finer sediments than those present in algal turfs. C. striatus appears to prefer algal turfs with coarser sediments as this facilitates ingestion of fine detrital particles, while finer sediments prevent selective feeding on detritus. These findings suggest that fine sediments from terrestrial runoff or dredging may be detrimental to feeding by detritivorous species.
Publisher: Elsevier BV
Date: 07-2021
Publisher: Wiley
Date: 26-03-2018
DOI: 10.1002/ECE3.3967
Publisher: The Royal Society
Date: 2018
DOI: 10.1098/RSOS.171111
Abstract: Ctenochaetus striatus is one of the most abundant surgeonfishes on Indo-Pacific coral reefs, yet the functional role and feeding ecology of this species remain unclear. This species is reported to possess a rigid structure in its palate that is used for scraping, but some authors have reported that this element is comprised of soft tissue. To resolve the nature and role of this structure in the feeding ecology of C. striatus we examined evidence from anatomical observations, scanning electron microscopy, histology, X-ray micro-computed tomography scanning, high-speed video and field observations. We found that C. striatus from the Great Barrier Reef possess a retention plate (RP) on their palates immediately posterior to the premaxillary teeth which is soft, covered in a thin veneer of keratin with a papillate surface. This RP appears to be used during feeding, but does not appear to be responsible for the removal of material, which is achieved primarily by a fast closure of the lower jaw. We infer that the RP acts primarily as a ‘dustpan’, in a ‘dustpan and brush’ feeding mechanism, to facilitate the collection of particulate material from algal turfs.
Publisher: Wiley
Date: 22-06-2021
DOI: 10.1111/ELE.13776
Abstract: Community composition is a primary determinant of how bio ersity change influences ecosystem functioning and, therefore, the relationship between bio ersity and ecosystem functioning (BEF). We examine the consequences of community composition across six structurally realistic plant community models. We find that a positive correlation between species’ functioning in monoculture versus their dominance in mixture with regard to a specific function (the “function‐dominance correlation”) generates a positive relationship between realised ersity and ecosystem functioning across species richness treatments. However, because realised ersity declines when few species dominate, a positive function‐dominance correlation generates a negative relationship between realised ersity and ecosystem functioning within species richness treatments. Removing seed inflow strengthens the link between the function–dominance correlation and BEF relationships across species richness treatments but weakens it within them. These results suggest that changes in species’ identities in a local species pool may more strongly affect ecosystem functioning than changes in species richness.
Publisher: Public Library of Science (PLoS)
Date: 03-01-2017
Publisher: Springer Science and Business Media LLC
Date: 03-2023
DOI: 10.1007/S00338-023-02363-X
Abstract: Cryptobenthic fishes are abundant on coral reefs, and their larvae dominate the ichthyoplankton in near reef waters. However, we have a limited understanding of how pelagic and on-reef processes are linked, especially how late-stage cryptobenthic fish larvae use near reef waters. We therefore used depth-stratified light trap s ling from 2 to 27 m at Lizard Island, Great Barrier Reef. This revealed clear depth variation in late-stage larval fish assemblages. Gobiidae larvae characterised mid-depth (13 m) s les. By contrast, larval Apogonidae were only abundant in shallow s les. Deep s les were typified by (non-target) adult apogonids. Contrary to expectations that poor-swimming cryptobenthic larvae would be flow-sheltering in deeper water, our results suggest that late-stage cryptobenthic larvae use large portions of the water column, although their preferred positions may be taxon-specific.
Publisher: Elsevier BV
Date: 02-2017
Publisher: Springer Science and Business Media LLC
Date: 24-06-2017
Publisher: Wiley
Date: 19-11-2019
Publisher: Wiley
Date: 14-03-2018
DOI: 10.1111/JFB.13600
Abstract: X-ray micro-computed tomography scans were used to examine the caudal-fin structure of an unusual double-tailed deformity in an adult brown surgeonfish Acanthurus nigrofuscus from the Great Barrier Reef. In both this case and in a similar double-tailed deformity in a juvenile Tomini surgeonfish Ctenochaetus tominiensis from the Philippines, the caudal fin was duplicated along the dorsoventral axis. Detailed examination of the A. nigrofuscus specimen revealed that the deformity was associated with duplication and reflection of the hypural plates and the posterior vertebrae, yet the fish survived to adulthood, indicating that the effects of duplication on survival may be limited.
Publisher: Elsevier BV
Date: 09-2020
Location: United States of America
No related grants have been discovered for Kathryn Barry.