Web Access Research Portal

Researcher: Hurd, CL (Associate Professor Catriona Hurd)

Fields of Research

Phycology (incl. Marine Grasses)
Ecological Impacts of Climate Change
Marine and Estuarine Ecology (incl. Marine Ichthyology)
Ecological Physiology
Global Change Biology
Biological Oceanography
Ecological Applications
Aquatic Ecosystem Studies and Stock Assessment
Fisheries Management
Maori Environmental Knowledge
Plant Physiology
Fisheries Sciences
Physical Oceanography
Invertebrate Biology
Community Ecology

Research Objectives

Ecosystem Adaptation to Climate Change
Expanding Knowledge in the Biological Sciences
Ecosystem Assessment and Management of Coastal and Estuarine Environments
Coastal and Estuarine Flora, Fauna and Biodiversity
Fisheries - Aquaculture
Control of Animal Pests, Diseases and Exotic Species in Coastal and Estuarine Environments
Wild Caught Edible Molluscs
Marine Flora, Fauna and Biodiversity
Ecosystem Assessment and Management of Marine Environments
Ecosystem Assessment and Management at Regional or Larger Scales
Expanding Knowledge in the Environmental Sciences
Plant Production and Plant Primary Products
Effects of Climate Change and Variability on New Zealand (excl. Social Impacts)
Expanding Knowledge in the Mathematical Sciences
Ecosystem Assessment and Management of Antarctic and Sub-Antarctic Environments
Antarctic and Sub-Antarctic Oceanography
Land and Water Management of environments
Expanding Knowledge in the Agricultural and Veterinary Sciences
Flora, Fauna and Biodiversity of environments
Control of Pests, Diseases and Exotic Species in Marine Environments
Control of Plant Pests, Diseases and Exotic Species in Coastal and Estuarine Environments
Climate Variability (excl. Social Impacts)
Effects of Climate Change and Variability on Australia (excl. Social Impacts)
Effects of Climate Change and Variability on Antarctic and Sub-Antarctic Environments (excl. Social Impacts)
Physical and Chemical Conditions of Water in Marine Environments

Career Best Publications

An in situ study of photosynthetic oxygen exchange and electron transport rate in the marine macroalga Ulva lactuca (Chlorophyta); Photosynthesis Research
Antioxidant metabolism in the intertidal red seaweed Stictosiphonia arbuscula following desiccation; Planta
Conditional mutualism between the giant kelp Macrocystis pyrifera and colonial epifauna; Marine Ecology Progress Series
Diffusion boundary layers ameliorate the negative effects of ocean acidification on the temperate coralline macroalga Arthrocardia corymbosa; PLoS One
Diurnal fluctuations in seawater pH influence the response of a calcifying macroalga to ocean acidification; Proceedings of the Royal Society B
Diversity of carbon use strategies in a kelp forest community: implications for a high CO2 ocean; Global Change Biology
Effect of seawater velocity on inorganic nitrogen uptake by morphologically distinct forms of Macrocystis integrifolia from wave-sheltered and exposed sites; Marine Biology
Exposure to waves enhances the growth rate and nitrogen status of the giant kelp Macrocystis pyrifera; Marine Ecology Progress Series
Flow visualization around single- and multiple-bladed seaweeds with various morphologies; Journal of Phycology
Flow-induced morphological variations affect diffusion boundary-layer thickness of macrocystis pyrifera (Heterokontophyta, Laminariales); Journal of Phycology
High prevalence of diffusive uptake of CO2 by macroalgae in a temperate subtidal ecosystem; Photosynthesis Research
Influence of bryozoan colonization on the physiology of the kelp Macrocystis integrifolia (Laminariales, Phaeophyta) from nitrogen-rich and -poor sites in Barkley Sound, British Columbia, Canada; Phycologia
Metabolically induced pH fluctuations by some coastal calcifiers exceed projected 22nd century oceanacidification: a mechanism for differential susceptibility?; Global Change Biology
Nutrient physiology of seaweeds: application of concepts to aquaculture; Cahiers De Biologie Marine
Ocean acidification and seaweed reproduction: increased CO2 ameliorates the negative effect of lowered pH on meiospore germination in the giant kelp Macrocystis pyrifera (Laminariales, Phaeophyceae); Global Change Biology
Phosphate uptake by intertidal algae in relation to zonation and season; Marine Biology
Physiological responses of a Southern Ocean diatom to complex future ocean conditions; Nature Climate Change
Reconfiguration as a prerequisite for survival in highly unstable flow-dominated habitats; Journal of Plant Growth Regulation
Seaweed Ecology and Physiology; Cambridge University Press
Slow-flow habitats as refugia for coastal calcifiers from ocean acidification; Journal of Phycology
Testing the effects of ocean acidification on algal metabolism: considerations for experimental designs; Journal of Phycology
Water motion, marine macroalgal physiology, and production; Journal of Phycology

Research Publications

A low-volume flow tank for measuring nutrient uptake by large macrophytes; Journal of Phycology
Affiliation of the parasite Herpodiscus durvillaeae (Phaeophyceae) with the Sphacelariales based on DNA sequence comparisons and morphological observations; European Journal of Phycology
An in situ study of photosynthetic oxygen exchange and electron transport rate in the marine macroalga Ulva lactuca (Chlorophyta); Photosynthesis Research
An in vitro nitrate reductase assay for marine macroalgae: optimization and characterization of the enzyme for Fucus gardneri (Phaeophyta); Journal of Phycology
An automated pH-controlled culture system for laboratory-based ocean acidification experiments; Limnology and Oceanography
An examination of Pachymenia and Aeodes (Halymeniaceae, Rhodophyta) in New Zealand and the transfer of two species of Aeodes in South Africa to Pachymenia; Phycological Society of America
An idealized model of interaction between fronds of the large seaweed Durvillaea antarctica; Biophysical Factors Affecting the Growth and Survival of Aquatic Organisms
Analysis of spatial and temporal diversity and distribution of Porphyra (Rhodophyta) in southeastern New Zealand supported by the use of molecular tools; Journal of Phycology
Antioxidant metabolism in the intertidal red seaweed Stictosiphonia arbuscula following desiccation; Planta
Before ocean acidification: calcifier chemistry lessons; Journal of Phycology
Bicarbonate uptake via an anion exchange protein is the main mechanism of inorganic carbon acquisition by the giant kelp Macrocystis pyrifera (Laminariales, Phaeophyceae) under variable pH; Journal of Phycology
Biological responses to environmental heterogeneity under future ocean conditions; Global Change Biology
Biophysical factors affecting the growth and survival of aquatic organisms, in Journal of Marine Systems, vol. 49; 2002 Ocean Sciences Meeting
Biotic interactions; Seaweed Ecology and Physiology
Boundary-layers around bladed aquatic macrophytes; Hydrobiologia
Canopy macroalgae influence understorey corallines’ metabolic control of near-surface pH and oxygen concentration; Marine Ecology - Progress Series
Carbon-use strategies in macroalgea: differential responses to lowered pH and implications for ocean acidification; Journal of Phycology
Chapter 5. Light and photosynthesis; Seaweed Ecology and Physiology
Clump structure, population structure and non-destructive biomass estimation of the New Zealand carrageenophyte Sarcothalia lanceata (Gigartinaceae, Rhodophyta); Botanica Marina
Colony structure and seasonal differences in light and nitrogen modify the impact of sessile epifauna on the giant kelp Macrocystis pyrifera (L.) C Agardh; Hydrobiologia
Comparison of mechanical properties of four large, wave-exposed seaweeds; American Journal of Botany
Concentration boundary layers and complex assemblages of macroalgae: Implications for the effects of ocean acidification on understory coralline algae; Limnology and Oceanography
Conditional mutualism between the giant kelp Macrocystis pyrifera and colonial epifauna; Marine Ecology Progress Series
Contributions of an annual invasive kelp to native algal assemblages: algal resource allocation and seasonal connectivity across ecotones; Phycologia
Copper ecotoxicology of marine algae: a methodological appraisal; Chemistry and Ecology
Desiccation and phosphate uptake by intertidal fucoid algae in relation to zonation; British Phycological Journal
Diffusion boundary layers ameliorate the negative effects of ocean acidification on the temperate coralline macroalga Arthrocardia corymbosa; PLoS One
Diurnal fluctuations in seawater pH influence the response of a calcifying macroalga to ocean acidification; Proceedings of the Royal Society B
Diversity of carbon use strategies in a kelp forest community: implications for a high CO2 ocean; Global Change Biology
Do native subtidal grazers eat the invasive kelp Undaria pinnatifida?; Marine Biology
Ecophysiology of photosynthesis in macroalgae
Effect of bryozoan colonization on inorganic nitrogen acquisition by the kelps Agarum fimbriatum and Macrocystis integrifolia; Marine Biology
Effect of ocean acidification and pH fluctuations on the growth and development of coralline algal recruits, and an associated benthic algal assemblage; PLoS ONE
Effect of seawater velocity on inorganic nitrogen uptake by morphologically distinct forms of Macrocystis integrifolia from wave-sheltered and exposed sites; Marine Biology
Effects of a small-bladed macroalgal canopy on benthic boundary layer dynamics: implications for nutrient transport; Aquatic Biology
Effects of ocean acidification on the photosynthetic performance, carbonic anhydrase activity and growth of the giant kelp Macrocystis pyrifera; Photosynthesis Research
Effects of seasonal growth rate on morphological variation of Undaria pinnatifida (Alariaceae, Phaeophyceae); Hydrobiologia
Environmental controls on the growth, photosynthetic and calcification rates of a Southern Hemisphere strain of the coccolithophore Emiliania huxleyi; Limnology and Oceanography
Experimental design in ocean acidification research: problems and solutions; ICES Journal of Marine Science
Exposure to chronic and high dissolved copper concentrations impedes meiospore development of the kelps Macrocystis pyrifera and Undaria pinnatifida (Ochrophyta); Phycologia
Exposure to waves enhances the growth rate and nitrogen status of the giant kelp Macrocystis pyrifera; Marine Ecology Progress Series
Field measurement of the dynamics of the bull kelp Durvillaea antarctica (Chamisso) Heriot; Journal of Experimental Marine Biology and Ecology
Fitting ecological and physiological data to rectangular hyperbolae: a comparison of methods using Monte Carlo simulations; Marine Ecology Progress Series
Flow visualization around single- and multiple-bladed seaweeds with various morphologies; Journal of Phycology
Flow-induced morphological variations affect diffusion boundary-layer thickness of macrocystis pyrifera (Heterokontophyta, Laminariales); Journal of Phycology
Growth response of an early successional assemblage of coralline algae and benthic diatoms to ocean acidification; Marine Biology
Growth, ammonium metabolism, and photosynthetic properties of Ulva australis (Chlorophyta) under decreasing pH and ammonium enrichment; PLoS One
High prevalence of diffusive uptake of CO2 by macroalgae in a temperate subtidal ecosystem; Photosynthesis Research
History, current status and future of marine macroalgal research in New Zealand: taxonomy, ecology, physiology and human uses
Importance of the invasive macroalga Undaria pinnatifida as trophic subsidy for a beach consumer; Marine Biology
In situ assessment of Ulva australis as a monitoring and management tool for metal pollution; Journal of Applied Phycology
Influence of bryozoan colonization on the physiology of the kelp Macrocystis integrifolia (Laminariales, Phaeophyta) from nitrogen-rich and -poor sites in Barkley Sound, British Columbia, Canada; Phycologia
Inorganic carbon physiology underpins macroalgal responses to elevated CO2; Scientific Reports
Iron and zinc content of Hormosira banksii in New Zealand; New Zealand Journal of Marine and Freshwater Research
Keeping the water clean - Seaweed biofiltration outperforms traditional bacterial biofilms in recirculating aquaculture; Aquaculture: An International Journal Devoted to Fundamental Aquatic Food Resources
Kinetics of nitrate, ammonium, and urea uptake by four intertidal seaweeds from New Zealand; Journal of Phycology
Koukourarata Ecosystem Health
Laboratory seawater studies are justified; Nature
Life histories, reproduction, and morphogenesis; Seaweed Ecology and Physiology
Long-term conditioning to elevated pCO2 and warming influences the fatty and amino acid composition of the diatom Cylindrotheca fusiformis; PLoS One
Macroinvertebrate diet in intertidal seagrass and sandflat communities: a study using C, N, and S stable isotopes; New Zealand Journal of Marine and Freshwater Research
Mapping marine habitats in Otago, Southern New Zealand; Remote Sensing in New Zealand
Meiospore development of the kelps Macrocystis pyrifera and Undaria pinnatifida under ocean acidification and ocean warming: independent effects are more important than their interaction; Marine Biology
Meiospores produced in sori of nonsporophyllous laminae of Macrocystis Pyrifera (Laminariales, Phaeophyceae) may enhance reproductive output; Journal of Phycology
Metabolically induced pH fluctuations by some coastal calcifiers exceed projected 22nd century oceanacidification: a mechanism for differential susceptibility?; Global Change Biology
Modelling of diffusion boundary-layers in subtidal macroalgal canopies: the response to waves and currents; Aquatic Sciences
Nitrogen ecophysiology of intertidal seaweeds from New Zealand: N uptake, storage and utilisation in relation to shore position and season; Marine Ecology Progress Series
Nutrient physiology of seaweeds: application of concepts to aquaculture; Cahiers De Biologie Marine
Nutrients; Seaweed Ecology and Physiology
Ocean acidification; Marine Climate Change Impacts and Adaptation Report Card for Australia 2012
Ocean acidification and kelp development: reduced pH has no negative effects on meiospore germination and gametophyte development of Macrocystis pyrifera and Undaria pinnatifida; Journal of Phycology
Ocean acidification and seaweed reproduction: increased CO2 ameliorates the negative effect of lowered pH on meiospore germination in the giant kelp Macrocystis pyrifera (Laminariales, Phaeophyceae); Global Change Biology
Ocean acidification in New Zealand waters: trends and impacts; New Zealand Journal of Marine and Freshwater Research
Ocean acidification reverses the positive effects of seawater pH fluctuations on growth and photosynthesis of the habitat-forming kelp, Ecklonia radiata; Scientific Reports
Ocean Nutrients; Geophysical Monograph Series: Surface Ocean - Lower Atmosphere Processes
Patterns in the δ13C and δ15N signature of Ulva pertusa: Interaction between physical gradients and nutrient source pools; Limnology and Oceanography
Phosphate uptake by intertidal algae in relation to zonation and season; Marine Biology
Photoacclimation of Ecklonia radiata (Laminariales, Heterokontophyta) in Doubtful Sound, Fjordland, Southern New Zealand; Phycologia
Photosynthetic and ultrastructural responses of Ulva australis to Zn stress; Micron
Photosynthetic oxygen flux by Macrocystis pyrifera: a mass transfer model with experimental validation; Marine Ecology Progress Series
Photosynthetic response of monospecific macroalgal stands to density; Aquatic Biology
Physico-chemical factors as environmental stressors in seaweed biology; Seaweed Ecology and Physiology
Physiological responses of a Southern Ocean diatom to complex future ocean conditions; Nature Climate Change
Pollution; Seaweed Ecology and Physiology
Production of hyaline hairs by intertidal species of Fucus (Fucales) and their role in phosphate uptake; Journal of Phycology
Reconfiguration as a prerequisite for survival in highly unstable flow-dominated habitats; Journal of Plant Growth Regulation
Regulation of polyamine metabolism in Pyropia Cinnamomea (W.A. Nelson), an important mechanism for reducing UV-B-induced oxidative damage; Journal of Phycology
Restricted use of nitrate and a strong preference for ammonium reflects the nitrogen ecophysiology of a light-limited red alga; Journal of Phycology
Saturating light and not increased carbon dioxide under ocean acidification drives photosynthesis and growth in Ulva rigida (Chlorophyta); Ecology and Evolution
Seasonal growth, erosion rates, and nitrogen and photosynthetic ecophysiology of Undaria pinnatifida (Heterokontophyta) in southern New Zealand; Journal of Phycology
Seasonal patterns of growth and nutrient status of the macroalga Adamsiella chauvinii (Rhodophyta) in soft sediment environments; Journal of Experimental Marine Biology and Ecology
Seawater pH, and not inorganic nitrogen source, affects pH at the blade surface of Macrocystis pyrifera: implications for responses of the giant kelp to future oceanic conditions; Physiologia Plantarum
Seaweed communities; Seaweed Ecology and Physiology
Seaweed Ecology and Physiology; Cambridge University Press
Seaweed mariculture; Seaweed Ecology and Physiology
Seaweed Responses to Ocean Acidification; Seaweed Biology
Seaweed thalli and cells; Seaweed Ecology and Physiology
Shaken and stirred: the fundamental role of water motion in resource acquisition and seaweed productivity; Perspectives in Phycology
Short- and long-term conditioning of a temperate marine diatom community to acidification and warming; Philosophical Transactions of The Royal Society B: Biological Sciences
Slow-flow habitats as refugia for coastal calcifiers from ocean acidification; Journal of Phycology
Spatial and temporal variations in the copper and zinc concentrations of two green seaweeds from Otago Harbour, New Zealand; Marine Environmental Research
Strategies of dissolved inorganic carbon use in macroalgae across a gradient of terrestrial influence: implications for the Great Barrier Reef in the context of ocean acidification; Coral Reefs
Survival in low light: photosynthesis and growth of a red alga in relation to measured in situ irradiance1; Journal of Phycology
Testing the effects of ocean acidification on algal metabolism: considerations for experimental designs; Journal of Phycology
The expanding range of Undaria pinnatifida in southern New Zealand: distribution, dispersal mechanisms and the invasion of wave-exposed environments; Biological Invasions
The invasive kelp Undaria pinnatifida hosts an epifaunal assemblage similar to native seaweeds with comparable morphologies; Marine Ecology Progress Series
The relative importance of water motion on nitrogen uptake by the subtidal macroalga Adamsiella chauvinii (Rhodophyta) in winter and summer; Journal of Phycology
The role of natural dispersal mechanisms in the spread of Undaria pinnatifida (Laminariales, Phaeophyceae); Phycologia
The status of commercial algal utilization in New Zealand; Hydrobiologia
Tissue nitrogen status does not alter the physiological responses of Macrocystis pyrifera to ocean acidification; Marine Biology
Unexpected shifts in fatty acid composition in response to diet in a common littoral amphipod; Marine Ecology - Progress Series
Uptake and transport of nitrogen derived from sessile epifauna in the giant kelp Macrocystis pyrifera; Aquatic Biology
UV-B radiation induces changes in polyamine metabolism in the red seaweed Porphyra cinnamomea; Plant Growth Regulation: An International Journal on Plant Growth and Development
Variations in growth, erosion, productivity, and morphology of Ecklonia radiata (Alariaceae;Laminariales) along a fjord in southern New Zealand; Journal of Phycology
Visualization of seawater flow around morphologically distinct forms of the giant kelp Macrocystis integrifolia from wave-sheltered and exposed sites; Limnology and Oceanography
Water motion; Seaweed Ecology and Physiology
Water motion relative to subtidal kelp fronds; Limnology and Oceanography
Water motion, marine macroalgal physiology, and production; Journal of Phycology

Research Projects

Living in the diffusive boundary layer of seaweeds: a potential refuge habitat from ocean acidification; European Commission (EC)
Mechanisms of acclimation of coralline algae to high CO2: insights from ancient taxa and past ocean acidification; Australian Research Council (ARC)
Research Enhancement Program (REP) 2017; University of Tasmania (UTAS)

Research Candidate Supervision

The Potential Application of Macroalgae as Ecotoxicological Indicators and Biotechnological Tools for Bioremediation in Metal Contaminated Areas