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Novel insights into the marine phase and river fidelity of anadromous twaite shad - Alosa fallax - in the UK and Ireland (2020)
Journal Article
Davies, P., Britton, R. J., Nunn, A. D., Dodd, J. R., Crundwell, C., Velterop, R., …Bolland, J. (in press). Novel insights into the marine phase and river fidelity of anadromous twaite shad - Alosa fallax - in the UK and Ireland. Aquatic conservation : marine and freshwater ecosystems, https://doi.org/10.1002/aqc.3343

1. Most research on anadromous fishes has been invested in their freshwater life‐phases, resulting in a relatively sparse understanding of their spatial ecology during marine life‐phases. However, understanding the marine dispersal of anadromous fish... Read More about Novel insights into the marine phase and river fidelity of anadromous twaite shad - Alosa fallax - in the UK and Ireland.

Dynamic competition and resource partitioning during the early life of two widespread, abundant and ecologically similar fishes (2020)
Journal Article
Henshaw, A., Axford, S. N., Peirson, G., Bolland, J. D., Mazik, K., Vickers, L. H., …Cowx, I. G. (2020). Dynamic competition and resource partitioning during the early life of two widespread, abundant and ecologically similar fishes. Hydrobiologia, 847, 2211-2224. https://doi.org/10.1007/s10750-020-04247-5

Competition and resource partitioning can have profound implications for individuals, populations and communities, and thus food webs, ecosystems and the management of biota and environments. In many species, the impacts of competition and resource p... Read More about Dynamic competition and resource partitioning during the early life of two widespread, abundant and ecologically similar fishes.

The Response of River-resident Fish to Reservoir Freshet Releases of Varying Profiles Intended to Facilitate a Spawning Migration (2020)
Journal Article
Baker, N., Taylor, M., Cowx, I., Harvey, J., Nunn, A., Angelopoulos, N., …Bolland, J. (2020). The Response of River-resident Fish to Reservoir Freshet Releases of Varying Profiles Intended to Facilitate a Spawning Migration. Water Resources Research, 56(6), https://doi.org/10.1029/2018WR024196

Natural hydrological regimes encompass varying seasonal flow characteristics that provide fish with cues and opportunities for upstream spawning migrations, but these flows are often modified/absent in regulated rivers. Compensatory artificial flows... Read More about The Response of River-resident Fish to Reservoir Freshet Releases of Varying Profiles Intended to Facilitate a Spawning Migration.

Refinement of acoustic-tagging protocol for twaite shad Alosa fallax (Lacépède), a species sensitive to handling and sedation (2019)
Journal Article
Bolland, J. D., Nunn, A. D., Angelopoulos, N. V., Dodd, J. R., Davies, P., Gutmann Roberts, C., …Cowx, I. G. (2019). Refinement of acoustic-tagging protocol for twaite shad Alosa fallax (Lacépède), a species sensitive to handling and sedation. Fisheries research, 212, 183-187. https://doi.org/10.1016/j.fishres.2018.12.006

© 2018 Elsevier B.V. Telemetry investigations to gather essential information about fish migrations are reliant on the behaviour, condition and survival of the animals being unaltered by the tagging procedure. Twaite shad (Alosa fallax Lacépède; 'sha... Read More about Refinement of acoustic-tagging protocol for twaite shad Alosa fallax (Lacépède), a species sensitive to handling and sedation.

Causes and consequences of ontogenetic dietary shifts: a global synthesis using fish models (2018)
Journal Article
Sánchez-Hernández, J., Nunn, A. D., Adams, C. E., & Amundsen, P. (2019). Causes and consequences of ontogenetic dietary shifts: a global synthesis using fish models. Biological Reviews, 94(2), 539-554. https://doi.org/10.1111/brv.12468

Ontogenetic dietary shifts (ODSs), the changes in diet utilisation occurring over the life span of an individual consumer, are widespread in the animal kingdom. Understanding ODSs provides fundamental insights into the biological and ecological proce... Read More about Causes and consequences of ontogenetic dietary shifts: a global synthesis using fish models.

Overcoming the dichotomy of implementing societal flood risk management while conserving instream fish habitat – A long-term study from a highly modified urban river (2018)
Journal Article
Angelopoulos, N. V., Harvey, J. P., Bolland, J. D., Nunn, A. D., Noble, R. A., Smith, M. A., …Cowx, I. G. (2018). Overcoming the dichotomy of implementing societal flood risk management while conserving instream fish habitat – A long-term study from a highly modified urban river. Journal of environmental management, 224, 69-76. https://doi.org/10.1016/j.jenvman.2018.07.030

Flood Risk Management (FRM) is often essential to reduce the risk of flooding to properties and infrastructure in urban landscapes, but typically degrades the habitats required by many aquatic animals for foraging, refuge and reproduction. This confl... Read More about Overcoming the dichotomy of implementing societal flood risk management while conserving instream fish habitat – A long-term study from a highly modified urban river.

New species of leafmining moths and bagworms in East Yorkshire : recent colonists or overlooked residents? (2017)
Journal Article
Nunn, A. (2017). New species of leafmining moths and bagworms in East Yorkshire : recent colonists or overlooked residents?. The Entomologist's record and journal of variation, 129(3), 156-159

The historical scarcity of many leafmining moths in East Yorkshire (vice-county [VC] 61) (see Sutton & Beaumont, 1989) is at least partly due to a lack of recorder effort, and a number of apparently local or rare species are actually relatively wides... Read More about New species of leafmining moths and bagworms in East Yorkshire : recent colonists or overlooked residents?.

Demography of sea lamprey (Petromyzon marinus) ammocoete populations in relation to potential spawning-migration obstructions (2017)
Journal Article
Nunn, A. D., Taylor, R. J., Cowx, I. G., Noble, R. A. A., Bolland, J. D., & Harvey, J. P. (2017). Demography of sea lamprey (Petromyzon marinus) ammocoete populations in relation to potential spawning-migration obstructions. Aquatic conservation : marine and freshwater ecosystems, 27(4), 764-772. https://doi.org/10.1002/aqc.2748

Copyright © 2017 John Wiley & Sons, Ltd. Recent advances in the understanding of lamprey migrations have led to concerns over the impacts of obstructions on the demography of many species. This study investigated sea lamprey (Petromyzon marinus) la... Read More about Demography of sea lamprey (Petromyzon marinus) ammocoete populations in relation to potential spawning-migration obstructions.

Do fish go with the flow? The effects of periodic and episodic flow pulses on 0+ fish biomass in a constrained lowland river (2016)
Journal Article
Walton, S. E., Nunn, A. D., Probst, W. N., Bolland, J. D., Acreman, M. C., & Cowx, I. G. (2017). Do fish go with the flow? The effects of periodic and episodic flow pulses on 0+ fish biomass in a constrained lowland river. Ecohydrology, 10(1), https://doi.org/10.1002/eco.1777

The hydrological regime is a significant driver of fish population dynamics in rivers, but there is a dearth of information regarding the mechanisms behind its effects on temperate species, especially non-salmonids. This study investigated the effect... Read More about Do fish go with the flow? The effects of periodic and episodic flow pulses on 0+ fish biomass in a constrained lowland river.

Environmental changes in a Mediterranean river: implications for the fish assemblage (2016)
Journal Article
Sánchez-Hernández, J., & Nunn, A. D. (2016). Environmental changes in a Mediterranean river: implications for the fish assemblage. Ecohydrology, 9(8), 1439-1451 . https://doi.org/10.1002/eco.1737

This study examined the impacts of climate change on hydrology and fish population dynamics in a river in central Spain. The objectives were to: (i) contextualise long-term trends in the hydrology (1943–2012) and climate (1985–2011) of the study area... Read More about Environmental changes in a Mediterranean river: implications for the fish assemblage.

Diel variations in the assemblage structure and foraging ecology of larval and 0+ year juvenile fishes in a man-made floodplain waterbody (2016)
Journal Article
Tewson, L. H., Cowx, I. G., & Nunn, A. D. (2016). Diel variations in the assemblage structure and foraging ecology of larval and 0+ year juvenile fishes in a man-made floodplain waterbody. Journal of fish biology, 88(4), 1486-1500. https://doi.org/10.1111/jfb.12924

© 2016 The Fisheries Society of the British Isles. This study investigated diel variations in zooplankton composition and abundance, and the species composition, density, size structure, feeding activity, diet composition and prey selection of larval... Read More about Diel variations in the assemblage structure and foraging ecology of larval and 0+ year juvenile fishes in a man-made floodplain waterbody.

Managed realignment for habitat compensation: Use of a new intertidal habitat by fishes (2015)
Journal Article
Nunn, A., Clifton-Dey, D., & Cowx, I. (2016). Managed realignment for habitat compensation: Use of a new intertidal habitat by fishes. Ecological engineering, 87, 71-79. https://doi.org/10.1016/j.ecoleng.2015.11.009

Managed realignment has become an increasingly common mechanism to increase the efficiency and sustainability of flood defences, reduce defence costs or compensate for habitat losses. This study investigated the use by fishes of a new intertidal habi... Read More about Managed realignment for habitat compensation: Use of a new intertidal habitat by fishes.

The habitat use of young-of-the-year fishes during and after floods of varying timing and magnitude in a constrained lowland river (2014)
Journal Article
Bolland, J. D., Nunn, A. D., Lucas, M. C., & Cowx, I. G. (2015). The habitat use of young-of-the-year fishes during and after floods of varying timing and magnitude in a constrained lowland river. Ecological engineering, 75(February), 434-440. https://doi.org/10.1016/j.ecoleng.2014.12.009

Globally, channelisation and artificial levee construction have reduced rivers to single-thread channels isolated from their floodplains. These modifications may be particularly detrimental to fish during floods, because of increased severity of cond... Read More about The habitat use of young-of-the-year fishes during and after floods of varying timing and magnitude in a constrained lowland river.

European Non-native Species in Aquaculture Risk Analysis Scheme - a summary of assessment protocols and decision support tools for use of alien species in aquaculture (2014)
Journal Article
Copp, G. H., Russell, I. C., Peeler, E. J., Gherardi, F., Tricarico, E., Macleod, A., …Britton, J. R. (2016). European Non-native Species in Aquaculture Risk Analysis Scheme - a summary of assessment protocols and decision support tools for use of alien species in aquaculture. Fisheries Management and Ecology, 23(1), 1-11 . https://doi.org/10.1111/fme.12074

The European Non-native Species in Aquaculture Risk Analysis Scheme (ENSARS) was developed in response to European 'Council Regulation No. 708/2007 of 11 June 2007 concerning use of alien and locally absent species in aquaculture' to provide protocol... Read More about European Non-native Species in Aquaculture Risk Analysis Scheme - a summary of assessment protocols and decision support tools for use of alien species in aquaculture.

Temporal and spatial variations in the abundance and population structure of the spined loach (Cobitis taenia), a scarce fish species: implications for condition assessment and conservation (2014)
Journal Article
Nunn, A. D., Tewson, L. H., Bolland, J. D., Harvey, J. P., & Cowx, I. G. (2014). Temporal and spatial variations in the abundance and population structure of the spined loach (Cobitis taenia), a scarce fish species: implications for condition assessment and conservation. Aquatic conservation : marine and freshwater ecosystems, 24(6), 818-830 . https://doi.org/10.1002/aqc.2451

Effective conservation of protected species requires accurate estimates of the status of their populations. In the UK, this led to the production of a series of sampling protocols to establish the status of designated species against predetermined co... Read More about Temporal and spatial variations in the abundance and population structure of the spined loach (Cobitis taenia), a scarce fish species: implications for condition assessment and conservation.

Flow requirements of non-salmonids (2012)
Journal Article
Cowx, I. G., Noble, R. A., Nunn, A. D., Bolland, J., Walton, S., Peirson, G., & Harvey, J. P. (2012). Flow requirements of non-salmonids. Fisheries Management and Ecology, 19(6), 548-556. https://doi.org/10.1111/fme.12017

Research into the relationships between non-salmonid fish population dynamics and discharge is in its infancy compared with salmonids, thus compromising the ability to manage flows in rivers and maintain ecological status. This study reviews the pote... Read More about Flow requirements of non-salmonids.

Diel and seasonal variations in the population dynamics of Hemimysis anomala, a non-indigenous mysid: implications for surveillance and management (2012)
Journal Article
Nunn, A., & Cowx, I. G. (2012). Diel and seasonal variations in the population dynamics of Hemimysis anomala, a non-indigenous mysid: implications for surveillance and management. Aquatic Invasions, 7(3), 357-365. https://doi.org/10.3391/ai.2012.7.3.007

This study investigated diel and seasonal variations in the population dynamics of Hemimysis anomala, a non-indigenous mysid originating from the Ponto-Caspian region. There were strong diel variations in the abundance (catch-per-unit-effort; CPUE) o... Read More about Diel and seasonal variations in the population dynamics of Hemimysis anomala, a non-indigenous mysid: implications for surveillance and management.

Restoring river connectivity: Prioritizing passage improvements for diadromous fishes and lampreys (2012)
Journal Article
Cowx, I. G., & Nunn, A. D. (2012). Restoring river connectivity: Prioritizing passage improvements for diadromous fishes and lampreys. AMBIO: A Journal of the Human Environment, 41(4), 402-409. https://doi.org/10.1007/s13280-012-0281-6

Physical obstructions are becoming increasingly recognized as major factors influencing the migrations, population structures, spawning success and recruitment of freshwater organisms. This paper presents a simple but effective method, intended for u... Read More about Restoring river connectivity: Prioritizing passage improvements for diadromous fishes and lampreys.


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