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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.

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.

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.

Monitoring sea lamprey Petromyzon marinus ammocoetes in SAC rivers: A case study on the River Wye (2009)
Book Chapter
Taylor, R. J., Noble, R. A., Nunn, A. D., Harvey, J. P., & Cowx, I. G. (2010). Monitoring sea lamprey Petromyzon marinus ammocoetes in SAC rivers: A case study on the River Wye. Conservation Monitoring in Freshwater Habitats A Practical Guide and Case Studies, 193-206. Springer. https://doi.org/10.1007/978-1-4020-9278-7_19

The sea lamprey (Petromyzon marinus L.) is a designated feature of the River Wye and the Severn Estuary Special Areas of Conservation (SAC). This study assessed the conservation status of sea lamprey in the Welsh reaches of the Wye catchment. Sea lam... Read More about Monitoring sea lamprey Petromyzon marinus ammocoetes in SAC rivers: A case study on the River Wye.

Monitoring fish populations in river SACs (2009)
Book Chapter
Cowx, I. G., Harvey, J. P., Noble, R. A., & Nunn, A. D. (2010). Monitoring fish populations in river SACs. Conservation monitoring in freshwater habitats: a practical guide and case studies, 53-62. Springer. https://doi.org/10.1007/978-1-4020-9278-7_6

The EU Habitats Directive (92/43/EEC) on Conservation of Natural Habitats and of Wild Fauna and Flora stipulates that Member states maintain or restore habitats and species in a condition that ensures their favourable conservation status in the commu... Read More about Monitoring fish populations in river SACs.

Establishing survey and monitoring protocols for the assessment of conservation status of fish populations in river Special Areas of Conservation in the UK (2008)
Journal Article
Cowx, I. G., Harvey, J., Noble, R., & Nunn, A. D. (2008). Establishing survey and monitoring protocols for the assessment of conservation status of fish populations in river Special Areas of Conservation in the UK. Aquatic conservation : marine and freshwater ecosystems, 19(1), 96-103. https://doi.org/10.1002/aqc.968

1. Under the EC Habitats Directive (92/43/EEC), several rivers in the UK have been designated Special Areas of Conservation (SACs) because they support important populations of fish species. Several factors need to be considered when establishing sur... Read More about Establishing survey and monitoring protocols for the assessment of conservation status of fish populations in river Special Areas of Conservation in the UK.

The diets and parasites of larval and 0+ juvenile twaite shad in the lower reaches and estuaries of the rivers Wye, Usk and Towy, UK (2008)
Journal Article
Nunn, A. D., Noble, R. A. A., Harvey, J. P., & Cowx, I. G. (2008). The diets and parasites of larval and 0+ juvenile twaite shad in the lower reaches and estuaries of the rivers Wye, Usk and Towy, UK. Hydrobiologia, 614(1), 209-218. https://doi.org/10.1007/s10750-008-9507-9

This study assessed the diets and parasites of larval and 0+ juvenile twaite shad Alosa fallax fallax in the lower reaches and estuaries of the rivers Wye, Usk and Towy, UK. There were significant differences between the diets of larvae and co-habiti... Read More about The diets and parasites of larval and 0+ juvenile twaite shad in the lower reaches and estuaries of the rivers Wye, Usk and Towy, UK.

Winter diet and condition of two 0+ year cyprinid fish species in the lower River Trent, England (2008)
Journal Article
Nunn, A. D., Harvey, J. P., & Cowx, I. G. (2008). Winter diet and condition of two 0+ year cyprinid fish species in the lower River Trent, England. Journal of fish biology, 72(6), 1529-1533. https://doi.org/10.1111/j.1095-8649.2008.01799.x

The winter diets of 0+ year juvenile dace Leuciscus leuciscus and roach Rutilus rutilus in the lower River Trent, England, were dominated by aufwuchs. There were no significant changes in the relative condition of either fish species over the winter.... Read More about Winter diet and condition of two 0+ year cyprinid fish species in the lower River Trent, England.

Condition assessment of lamprey populations in the Yorkshire Ouse catchment, north-east England, and the potential influence of physical migration barriers (2007)
Journal Article
Nunn, A. D., Harvey, J. P., Noble, R. A. A., & Cowx, I. G. (2008). Condition assessment of lamprey populations in the Yorkshire Ouse catchment, north-east England, and the potential influence of physical migration barriers. Aquatic conservation : marine and freshwater ecosystems, 18(2), 175-189. https://doi.org/10.1002/aqc.863

1. River lamprey (Lampetra fluviatilis) and sea lamprey (Petromyzon marinus) are designated features of the River Derwent Special Area of Conservation (SAC) and the Humber Estuary (a possible SAC). This study determined the condition of lamprey popul... Read More about Condition assessment of lamprey populations in the Yorkshire Ouse catchment, north-east England, and the potential influence of physical migration barriers.

Fish, climate and the Gulf Stream: the influence of abiotic factors on the recruitment success of cyprinid fishes in lowland rivers (2007)
Journal Article
Nunn, A. D., Harvey, J. P., Britton, J. R., Frear, P. A., & Cowx, I. G. (2007). Fish, climate and the Gulf Stream: the influence of abiotic factors on the recruitment success of cyprinid fishes in lowland rivers. Freshwater biology, 52(8), 1576-1586. https://doi.org/10.1111/j.1365-2427.2007.01789.x

1. Climatic effects are increasingly being recognised as an important factor causing inter-annual variability in organism abundances in aquatic and terrestrial ecosystems. This study investigated the relationships between water temperature (cumulativ... Read More about Fish, climate and the Gulf Stream: the influence of abiotic factors on the recruitment success of cyprinid fishes in lowland rivers.

Variations in the spawning periodicity of eight fish species in three English lowland rivers over a 6 year period, inferred from 0+year fish length distributions (2007)
Journal Article
Nunn, A. D., Harvey, J. P., & Cowx, I. G. (2007). Variations in the spawning periodicity of eight fish species in three English lowland rivers over a 6 year period, inferred from 0+year fish length distributions. Journal of fish biology, 70(4), 1254-1267. https://doi.org/10.1111/j.1095-8649.2007.01415.x

The spawning periodicity of eight fish species was investigated in three English lowland rivers over a 6 year period from patterns in 0+ year fish standard length (L-S) distributions. A single cohort of 0+ year dace Leuciscus leuciscus, roach Rutilus... Read More about Variations in the spawning periodicity of eight fish species in three English lowland rivers over a 6 year period, inferred from 0+year fish length distributions.

Benefits to 0+fishes of connecting man-made waterbodies to the lower River Trent, England (2007)
Journal Article
Nunn, A. D., Harvey, J. P., & Cowx, I. G. (2007). Benefits to 0+fishes of connecting man-made waterbodies to the lower River Trent, England. River Research and Applications, 23(4), 361-376. https://doi.org/10.1002/rra.993

Floodplain waterbodies are reputed to enhance recruitment of riverine fish populations via provision of spawning and nursery habitat, refuge from floods, and increased availability of planktonic food resources compared with main river channels. Notwi... Read More about Benefits to 0+fishes of connecting man-made waterbodies to the lower River Trent, England.

The food and feeding relationships of larval and 0+year juvenile fishes in lowland rivers and connected waterbodies. II. Prey selection and the influence of gape (2007)
Journal Article
Nunn, A. D., Harvey, J. P., & Cowx, I. G. (2007). The food and feeding relationships of larval and 0+year juvenile fishes in lowland rivers and connected waterbodies. II. Prey selection and the influence of gape. Journal of fish biology, 70(3), 743-757. https://doi.org/10.1111/j.1095-8649.2007.01335.x

The relative importance of taxa- and size-specific prey selection, and the influence of gape on the prey consumed by the larvae and 0+ year juveniles of four fish species were investigated in 'main river', 'marina' and 'pond' macrohabitats in the low... Read More about The food and feeding relationships of larval and 0+year juvenile fishes in lowland rivers and connected waterbodies. II. Prey selection and the influence of gape.

The food and feeding relationships of larval and 0+year juvenile fishes in lowland rivers and connected waterbodies. I. Ontogenetic shifts and interspecific diet similarity (2007)
Journal Article
Nunn, A. D., Harvey, J. P., & Cowx, I. G. (2007). The food and feeding relationships of larval and 0+year juvenile fishes in lowland rivers and connected waterbodies. I. Ontogenetic shifts and interspecific diet similarity. Journal of fish biology, 70(3), 726-742. https://doi.org/10.1111/j.1095-8649.2007.01334.x

Many fish species are zooplanktivorous at the onset of exogenous feeding, but distinct shifts in their foraging biology may occur with development. This study investigated the food and feeding relationships of the larvae and 0+ year juveniles of 13 f... Read More about The food and feeding relationships of larval and 0+year juvenile fishes in lowland rivers and connected waterbodies. I. Ontogenetic shifts and interspecific diet similarity.

Can management of freshwater fish populations be used to protect and enhance the conservation status of a rare, fish-eating bird, the bittern, Botaurus stellaris, in the UK? (2004)
Journal Article
Noble, R. A. A., Harvey, J., & Cowx, I. (2004). Can management of freshwater fish populations be used to protect and enhance the conservation status of a rare, fish-eating bird, the bittern, Botaurus stellaris, in the UK?. Fisheries Management and Ecology, 11(3-4), 291-302. https://doi.org/10.1111/j.1365-2400.2004.00391.x

The bittern, Botaurus stellaris (L.), is a Red Data list species in the UK with currently approximately 30 breeding males restricted to a few wet reedbeds, the majority of which are located in the East Anglian region of England. Although having a div... Read More about Can management of freshwater fish populations be used to protect and enhance the conservation status of a rare, fish-eating bird, the bittern, Botaurus stellaris, in the UK?.

Is water temperature an adequate predictor of recruitment success in cyprinid fish populations in lowland rivers? (2003)
Journal Article
Nunn, A., Cowx, I., Frear, P., & Harvey, J. (2003). Is water temperature an adequate predictor of recruitment success in cyprinid fish populations in lowland rivers?. Freshwater biology, 48(4), 579-588. https://doi.org/10.1046/j.1365-2427.2003.01033.x

1. Higher than average ambient water temperature in the first year of life may be responsible for strong cohorts of adult cyprinid fish. Whilst temperature explains much of the variation in year-class strength (YCS), however, it is not the only influ... Read More about Is water temperature an adequate predictor of recruitment success in cyprinid fish populations in lowland rivers?.

Recruitment patterns of six species of cyprinid fishes in the lower River Trent, England (2002)
Journal Article
Nunn, A. D., Cowx, I. G., & Harvey, J. P. (2002). Recruitment patterns of six species of cyprinid fishes in the lower River Trent, England. Ecology of freshwater fish, 11(2), 74-84. https://doi.org/10.1034...0633.2002.t01-1-00001.x

Fisheries data were collected for six species of 0-group cyprinid fishes from eight sites in the lower reaches of the River Trent, England, between May and October 1999 inclusive, using a micromesh seine net. Recruitment and growth patterns were obse... Read More about Recruitment patterns of six species of cyprinid fishes in the lower River Trent, England.

Quantitative sampling of 0-group fish populations in large lowland rivers: Point abundance sampling by electric fishing versus micromesh seine netting (2001)
Journal Article
Cowx, I. G., Nunn, A. D., & Harvey, J. P. (2001). Quantitative sampling of 0-group fish populations in large lowland rivers: Point abundance sampling by electric fishing versus micromesh seine netting. Archiv fur Hydrobiologie, 151(3), 369-382. https://doi.org/10.1127...-hydrobiol/151/2001/369

This paper compares the density and population structure of 0-group fishes obtained from simultaneous quantitative point abundance sampling using electric fishing with a special electrode design, comprising a 10-cm diameter, spherical anode inside a... Read More about Quantitative sampling of 0-group fish populations in large lowland rivers: Point abundance sampling by electric fishing versus micromesh seine netting.