All Outputs (59)

Using acoustic tracking of an anadromous lamprey in a heavily fragmented river to assess current and historic passage opportunities and prioritise remediation (2023)
Journal Article
Jubb, W. M., Noble, R. A., Dodd, J. R., Nunn, A. D., & Bolland, J. D. (in press). Using acoustic tracking of an anadromous lamprey in a heavily fragmented river to assess current and historic passage opportunities and prioritise remediation. River Research and Applications, https://doi.org/10.1002/rra.4140

Anthropogenic structures extensively fragment riverine systems, reducing longitudinal connectivity, inhibiting migration and leading to severe declines in many fish populations, especially for diadromous species. This study investigated the upstream... Read More about Using acoustic tracking of an anadromous lamprey in a heavily fragmented river to assess current and historic passage opportunities and prioritise remediation.

The influence of passive wedge-wire screen aperture and flow velocity on juvenile European eel exclusion, impingement and passage (2023)
Journal Article
Carter, L. J., Collier, S. J., Thomas, R. E., Norman, J., Wright, R. M., & Bolland, J. D. (2023). The influence of passive wedge-wire screen aperture and flow velocity on juvenile European eel exclusion, impingement and passage. Ecological engineering, 192, Article 106972. https://doi.org/10.1016/j.ecoleng.2023.106972

The European eel (Anguilla anguilla) is a critically endangered catadromous fish. The decline has partly been attributed to water management infrastructure that abstract water from rivers for potable and industrial water supply, irrigation, hydroelec... Read More about The influence of passive wedge-wire screen aperture and flow velocity on juvenile European eel exclusion, impingement and passage.

Upstream spawning migration of river lamprey (Lampetra fluviatilis) in the River Trent, 2020-2021 (2023)
Data
Noble, R. A. A., Bolland, J. D., Jubb, W. M., Nunn, A. D., & Dodd, J. R. (2023). Upstream spawning migration of river lamprey (Lampetra fluviatilis) in the River Trent, 2020-2021. [Data]. https://doi.org/10.14284/598

This study investigated the upstream spawning migration of anadromous river lamprey (Lampetra fluviatilis) in the River Trent, a heavily fragmented tributary of the Humber Estuary- the location of one of the largest river lamprey populations in the U... Read More about Upstream spawning migration of river lamprey (Lampetra fluviatilis) in the River Trent, 2020-2021.

Understanding the temporal dynamics of a lowland river fish community at a hazardous intake and floodgate to inform safe operation (2023)
Journal Article
Norman, J., Wright, R. M., Don, A., & Bolland, J. D. (2023). Understanding the temporal dynamics of a lowland river fish community at a hazardous intake and floodgate to inform safe operation. Journal of environmental management, 336, Article 117716. https://doi.org/10.1016/j.jenvman.2023.117716

Entrainment and mortality of freshwater fish at hazardous pumping station intakes used for Flood Risk Management (FRM) are of global concern. Although upstream and downstream passage of diadromous fish has received considerable attention, the ecologi... Read More about Understanding the temporal dynamics of a lowland river fish community at a hazardous intake and floodgate to inform safe operation.

Tracking anadromous fish over successive freshwater migrations reveals the influence of tagging effect, previous success, and abiotic factors on upstream passage over barriers (2023)
Journal Article
Davies, P., Robert Britton, J., Castro-Santos, T., Crundwell, C., Dodd, J. R., Nunn, A. D., …Bolland, J. D. (2023). Tracking anadromous fish over successive freshwater migrations reveals the influence of tagging effect, previous success, and abiotic factors on upstream passage over barriers. Canadian journal of fisheries and aquatic sciences, 80(7), 1110-1125. https://doi.org/10.1139/cjfas-2022-0196

Predicting and mitigating the impact of anthropogenic barriers on migratory fish requires an understanding of the individual and environmental factors that influence barrier passage. Here, the upstream spawning migrations of iteroparous twaite shad A... Read More about Tracking anadromous fish over successive freshwater migrations reveals the influence of tagging effect, previous success, and abiotic factors on upstream passage over barriers.

Integrating environmental DNA monitoring to inform eel (Anguilla anguilla) status in freshwaters at their easternmost range—A case study in Cyprus (2023)
Journal Article
Griffiths, N. P., Wright, R. M., Hänfling, B., Bolland, J. D., Drakou, K., Sellers, G. S., …Vasquez, M. I. (2023). Integrating environmental DNA monitoring to inform eel (Anguilla anguilla) status in freshwaters at their easternmost range—A case study in Cyprus. Ecology and Evolution, 13(2), Article e9800. https://doi.org/10.1002/ece3.9800

Despite significant population declines and targeted European Union regulations aimed at Anguilla anguilla conservation, little attention has been given to their status at their easternmost range. This study applies wide-scale integrated monitoring t... Read More about Integrating environmental DNA monitoring to inform eel (Anguilla anguilla) status in freshwaters at their easternmost range—A case study in Cyprus.

Understanding the impact of barriers to onward migration; a novel approach using translocated fish (2023)
Journal Article
Jubb, W. M., Noble, R. A., Dodd, J. R., Nunn, A. D., Lothian, A. J., Albright, A. J., …Bolland, J. D. (2023). Understanding the impact of barriers to onward migration; a novel approach using translocated fish. Journal of environmental management, 335, Article 117488. https://doi.org/10.1016/j.jenvman.2023.117488

River catchments worldwide are heavily fragmented by anthropogenic barriers, reducing their longitudinal connectivity and contributing to the decline of migratory fish populations. Direct impacts of individual barriers on migratory fish are well-esta... Read More about Understanding the impact of barriers to onward migration; a novel approach using translocated fish.

Individual repeatability in the timing of river entry indicates the strong influence of photoperiod in the spawning migrations of iteroparous twaite shad Alosa fallax (2023)
Journal Article
Yeldham, M. I., Britton, J. R., Crundwell, C., Davies, P., Dodd, J. R., Nunn, A. D., …Bolland, J. D. (2023). Individual repeatability in the timing of river entry indicates the strong influence of photoperiod in the spawning migrations of iteroparous twaite shad Alosa fallax. Hydrobiologia, https://doi.org/10.1007/s10750-023-05168-9

The timing of entry into freshwater by mature anadromous fishes is an important component of their migration phenology. In iteroparous anadromous species, identifying the migration cues that influence the timing of entry into freshwater, and annual v... Read More about Individual repeatability in the timing of river entry indicates the strong influence of photoperiod in the spawning migrations of iteroparous twaite shad Alosa fallax.

Is shape in the eye of the beholder? Assessing landmarking error in geometric morphometric analyses on live fish (2023)
Journal Article
Moccetti, P., Rodger, J. R., Bolland, J. D., Kaiser-Wilks, P., Smith, R., Nunn, A. D., …Joyce, D. A. (2023). Is shape in the eye of the beholder? Assessing landmarking error in geometric morphometric analyses on live fish. PeerJ, 11, Article e15545. https://doi.org/10.7717/peerj.15545

Geometric morphometrics is widely used to quantify morphological variation between biological specimens, but the fundamental influence of operator bias on data reproducibility is rarely considered, particularly in studies using photographs of live an... Read More about Is shape in the eye of the beholder? Assessing landmarking error in geometric morphometric analyses on live fish.

A novel method for identifying coded tags recorded on aquatic acoustic monitoring systems (2022)
Journal Article
Lowe, C. D., Tregenza, N. J., Allen, C. J., Blow, G. E., Nuuttila, H., Bertelli, C. M., …Clarke, D. R. (2022). A novel method for identifying coded tags recorded on aquatic acoustic monitoring systems. Environmental monitoring and assessment, 194(11), Article 806. https://doi.org/10.1007/s10661-022-10500-2

Aquatic biotelemetry increasingly relies on using acoustic transmitters ('tags') that enable passive detection of tagged animals using fixed or mobile receivers. Both tracking methods are resource-limited, restricting the spatial area in which moveme... Read More about A novel method for identifying coded tags recorded on aquatic acoustic monitoring systems.

Understanding the impacts of exploitation and fragmentation on the upstream migrating, adult river lamprey (Lampetra fluviatilis [L.]): implications for conservation (2022)
Thesis
Jubb, W. M. Understanding the impacts of exploitation and fragmentation on the upstream migrating, adult river lamprey (Lampetra fluviatilis [L.]): implications for conservation. (Thesis). University of Hull. https://hull-repository.worktribe.com/output/4186773

Globally, freshwater ecosystems are heavily impacted by anthropogenic pressures, including fragmentation and exploitation. Consequently, many negative impacts are observed on numerous fish populations, especially anadromous species.
Currently, there... Read More about Understanding the impacts of exploitation and fragmentation on the upstream migrating, adult river lamprey (Lampetra fluviatilis [L.]): implications for conservation.

Toward a decade of ocean science for sustainable development through acoustic animal tracking (2022)
Journal Article
Alós, J., Aarestrup, K., Abecasis, D., Afonso, P., Alonso‐Fernandez, A., Aspillaga, E., …Villegas-Ríos, D. (in press). Toward a decade of ocean science for sustainable development through acoustic animal tracking. Global change biology, https://doi.org/10.1111/gcb.16343

The ocean is a key component of the Earth's dynamics, providing a great variety of ecosystem services to humans. Yet, human activities are globally changing its structure and major components, including marine biodiversity. In this context, the Unite... Read More about Toward a decade of ocean science for sustainable development through acoustic animal tracking.

Individual movement variation in upstream-migrating sea lamprey Petromyzon marinus in a highly fragmented river (2022)
Journal Article
Davies, P., Britton, J. R., Nunn, A. D., Dodd, J. R., Bainger, C., Velterop, R., & Bolland, J. D. (in press). Individual movement variation in upstream-migrating sea lamprey Petromyzon marinus in a highly fragmented river. Freshwater biology, https://doi.org/10.1111/fwb.13869

Anthropogenic reductions in riverine connectivity can severely impede the migrations of anadromous species. In fragmented rivers, successful migrations depend on the ability of migrants to negotiate barriers or locate alternative passage routes. Howe... Read More about Individual movement variation in upstream-migrating sea lamprey Petromyzon marinus in a highly fragmented river.

Cumulative impacts of habitat fragmentation and the environmental factors affecting upstream migration in the threatened sea lamprey, Petromyzon marinus (2021)
Journal Article
Davies, P., Britton, J. R., Nunn, A. D., Dodd, J. R., Bainger, C., Velterop, R., & Bolland, J. D. (2021). Cumulative impacts of habitat fragmentation and the environmental factors affecting upstream migration in the threatened sea lamprey, Petromyzon marinus. Aquatic conservation : marine and freshwater ecosystems, 31(9), 2560-2574. https://doi.org/10.1002/aqc.3625

River ecosystems are often fragmented by artificial structures, such as weirs. For anadromous species, these structures can impede access to upstream spawning sites and ultimately lead to severe population declines. This study focused on the freshwat... Read More about Cumulative impacts of habitat fragmentation and the environmental factors affecting upstream migration in the threatened sea lamprey, Petromyzon marinus.

Downstream passage of silver European eel (Anguilla anguilla) at a pumping station with a gravity sluice (2020)
Journal Article
Baker, N. J., Wright, R. M., Cowx, I. G., Murphy, L. A., & Bolland, J. D. (2020). Downstream passage of silver European eel (Anguilla anguilla) at a pumping station with a gravity sluice. Ecological engineering, Article 106069. https://doi.org/10.1016/j.ecoleng.2020.106069

The European eel (Anguilla anguilla (L.)) is critically endangered after a multi-decadal decline. Anthropogenic disruption to downstream migration, including at water control structures such as pumping stations, is thought to be one of the contributi... Read More about Downstream passage of silver European eel (Anguilla anguilla) at a pumping station with a gravity sluice.

Environmental DNA metabarcoding provides enhanced detection of the European eel Anguilla anguilla and fish community structure in pumped river catchments (2020)
Journal Article
Griffiths, N. P., Bolland, J. D., Wright, R. M., Murphy, L. A., Donnelly, R. K., Watson, H. V., & Hänfling, B. (2020). Environmental DNA metabarcoding provides enhanced detection of the European eel Anguilla anguilla and fish community structure in pumped river catchments. Journal of fish biology, 97, 1375-1384. https://doi.org/10.1111/jfb.14497

© 2020 Fisheries Society of the British Isles The European eel Anguilla anguilla (eel hereafter) is critically endangered and has a catadromous life cycle, which means adult eels that live in pumped catchments must pass through pumps during their dow... Read More about Environmental DNA metabarcoding provides enhanced detection of the European eel Anguilla anguilla and fish community structure in pumped river catchments.

Evaluating the impact of hydropower on downstream migrating anguillid eels: Catchment-wide and fine-scale approaches to identify cost-effective solutions (2020)
Journal Article
Baker, N. J., Boubée, J., Lokman, P. M., & Bolland, J. D. (2020). Evaluating the impact of hydropower on downstream migrating anguillid eels: Catchment-wide and fine-scale approaches to identify cost-effective solutions. The Science of the total environment, 748, Article 141111. https://doi.org/10.1016/j.scitotenv.2020.141111

Hydropower is an increasingly popular source of renewable and ‘green’ (in terms of emissions) energy, but reduced longitudinal connectivity and diverting flow through turbines can have negative impacts on catadromous anguillid eel species that have d... Read More about Evaluating the impact of hydropower on downstream migrating anguillid eels: Catchment-wide and fine-scale approaches to identify cost-effective solutions.

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., Ó’Maoiléidigh, N., O’Neill, R., Sheehan, E., Stamp, T., & Bolland, J. (2020). 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, 30(7), 1291-1298. https://doi.org/10.1002/aqc.3343

© 2020 The Authors. 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... 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
Nunn, A. D., Vickers, L., Mazik, K., Bolland, J., Peirson, G., Axford, S., Henshaw, A., & 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. J., Taylor, M. J., Harvey, J. P., Angelopoulos, N. V., Smith, M. A., Noble, R. A., Tinsdeall, M., Bolland, J. D., Baxter, J., Baker, N., Taylor, M., Cowx, I. G., Harvey, J., Nunn, A. D., Angelopoulos, N., Smith, M., Noble, R., Tinsdeall, M., Baxter, J., & 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), Article e2018WR024196. 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.