Search Results - "Macleod, Catriona K"

Effects of shellfish farming on the benthic environment by Crawford, Christine M, Macleod, Catriona K.A, Mitchell, Iona M

“…The benthic environment under and near three shellfish farms in Tasmania, Australia, which had had a relatively high level of production over many years was…”
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Spatial and temporal dynamics in macrobenthos during recovery from salmon farm induced organic enrichment: When is recovery complete? by Keeley, Nigel B., Macleod, Catriona K., Hopkins, Grant A., Forrest, Barrie M.

“…•Long-term spatially explicit study of recovery from extreme benthic enrichment.•Substantial recovery in first 2years, largely complete after…”
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Benthic recovery and re-impact responses from salmon farm enrichment: Implications for farm management by Keeley, Nigel B., Forrest, Barrie M., Macleod, Catriona K.

“…This paper describes a two-year study of spatial and temporal patterns and processes in the benthos in response to the removal of salmon cages from a sheltered…”
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Exploiting salmon farm benthic enrichment gradients to evaluate the regional performance of biotic indices and environmental indicators by Keeley, Nigel B., Forrest, Barrie M., Crawford, Christine, Macleod, Catriona K.

“…This study evaluates five benthic indicators (total abundance, number of taxa, redox potential, total free sulfides, total organic matter) and ten biotic…”
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Novel observations of benthic enrichment in contrasting flow regimes with implications for marine farm monitoring and management by Keeley, Nigel B., Forrest, Barrie M., Macleod, Catriona K.

“…► Reveals a-typical environmental responses along spatial gradients, due to flow. ► Very high abundances and biomass were evident when organic accumulation was…”
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Fate and effects of fish farm organic waste in marine systems: Advances in understanding using biochemical approaches with implications for environmental management by Elvines, Deanna M., MacLeod, Catriona K., Ross, Donald. J., Hopkins, Grant A., White, Camille A.

“…Particulate waste from open‐cage fish farms in marine systems can cause organic enrichment of seabed habitats and enter the food web through consumption by…”
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Measuring hypoxia induced metal release from highly contaminated estuarine sediments during a 40 day laboratory incubation experiment by BANKS, Joanne L, ROSS, D. Jeff, KEOUGH, Michael J, EYRE, Bradley D, MACLEOD, Catriona K

“…Nutrient inputs to estuarine and coastal waters worldwide are increasing and this in turn is increasing the prevalence of eutrophication and hypoxic and anoxic…”
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Long term trends of Hg uptake in resident fish from a polluted estuary by Jones, Hugh J., Swadling, Kerrie M., Tracey, Sean R., Macleod, Catriona K.

“…•Temporal models of Hg concentrations in estuarine fish over 37-years examined.•Models showed no temporal decline in fish Hg levels despite reduction of Hg…”
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Combining best professional judgement and quantile regression splines to improve characterisation of macrofaunal responses to enrichment by Keeley, Nigel B., Macleod, Catriona K., Forrest, Barrie M.

“…Many benthic quality indices rely on categorising impacts by assigning species to ecological-groups (EGs) that reflect their tolerance to pollution. This is…”
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Technology selection-the impact of economic risk on decision making by King, Andrew S., Elliott, Nicholas G., James, Mark A., MacLeod, Catriona K., Bjorndal, Trond

“…Developing an understanding of economic variance (risk) is critical when evaluating alternative aquaculture production technologies. This article assesses the…”
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Influence of a burrowing, metal-tolerant polychaete on benthic metabolism, denitrification and nitrogen regeneration in contaminated estuarine sediments by Banks, Joanne L., Ross, D. Jeff, Keough, Michael J., Macleod, Catriona K., Keane, John, Eyre, Bradley D.

“…► Influence of a metal-tolerant polychaete on benthic fluxes in polluted sediments. ► O2 consumption doubled; 55% due to respiration, 45% associated with…”
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Implications of Age, Size and Region on Mercury Contamination in Estuarine Fish Species by Verdouw, Jeremy J, Macleod, Catriona K, Nowak, Barbara F, Lyle, Jeremy M

“…This study investigated the effects of age and length on mercury contamination in four fish species; yellow-eye mullet (Aldrichetta forsteri), black bream…”
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Evaluation of short-term fallowing as a strategy for the management of recurring organic enrichment under salmon cages by Macleod, Catriona K., Moltschaniwskyj, Natalie A., Crawford, Christine M.

“…Rotation of cages within fish farm leases and the subsequent fallowing of areas of seabed is commonly used to allow recovery of infaunal communities following…”
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Biological recovery from organic enrichment: some systems cope better than others by Macleod, Catriona K., Moltschaniwskyj, Natalie A., Crawford, Christine M., Forbes, Susan E.

“…This study examined the short-term recovery response at 2 salmon farms in southern Tasmania where organic loads were equivalent, but where background…”
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Broad-scale effects of marine salmonid aquaculture on macrobenthos and the sediment environment in southeastern Tasmania by Edgar, Graham J., Macleod, Catriona K., Mawbey, Ron B., Shields, Derek

“…A comparison of sediments and associated macrobenthos at sites sampled within 20 fish farm leases distributed across southeastern Tasmania indicated major…”
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Ecological and functional changes associated with long-term recovery from organic enrichment by Macleod, Catriona K., Moltschaniwskyj, Natalie A., Crawford, Christine M.

“…The recovery of a soft sediment benthic invertebrate community from high levels of organic enrichment was evaluated after removal of farmed fish at an Atlantic…”
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Influence of small-scale patchiness on resilience of nutrient cycling to extended hypoxia in estuarine sediments by Banks, Joanne L., Ross, D. Jeff, Keough, Michael J., Macleod, Catriona K., Eyre, Bradley D.

“…Although much work has been done to predict the effects of hypoxia (dissolved oxygen < 2 mg l–1) at regional scales, individual estuaries consist of a…”
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Assessment of long term change in sediment condition after organic enrichment: defining recovery by Macleod, Catriona K., Crawford, Christine M., Moltschaniwskyj, Natalie A.

“…Sediment condition at an Atlantic salmon ( Salmo salar) culture site in S.E. Tasmania, Australia was evaluated to determine the rate and extent of recovery…”
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Effects of oyster farming service vehicles on an intertidal sand flat by Macleod, Catriona K, Forbes, Susan E, Shepherd, Colin J, Crawford, Christine

“…A Tasmanian tidalflat receiving differing amounts of vehicle traffic associated with the servicing of oyster farm leases was sampled for sediment properties…”
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High contents of 24:6(n-3) and 20:1(n-13) fatty acids in the brittle star Amphiura elandiformis from Tasmanian coastal sediments by Mansour, Maged P., Holdsworth, Daniel G., Forbes, Susan E., Macleod, Catriona K., Volkman, John K.

“…The presence of long-chain polyunsaturated fatty acids (PUFA; ca. 9% of total fatty acids) in marine sediments near Dover, southern Tasmania, Australia…”
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