All Outputs (38)

Density- and species-dependent errors in single-pass timed electrofishing assessment of riverine salmonids (2017)
Journal Article
Honkanen, H. M., Dodd, J. A., Fordyce, J. R., Boylan, P., & Adams, C. E. (2018). Density- and species-dependent errors in single-pass timed electrofishing assessment of riverine salmonids. Ecology of Freshwater Fish, 27(1), 98-102. https://doi.org/10.1111/eff.12327

Electrofishing techniques are widely used for the estimation of the size of stream‐dwelling fish populations for both fishery management and scientific study. In contrast to multiple pass, population depletion methods, single‐pass catch‐per‐unit‐effo... Read More about Density- and species-dependent errors in single-pass timed electrofishing assessment of riverine salmonids.

The effect of foraging and ontogeny on the prevalence and intensity of the invasive parasite Anguillicola crassus in the European eel Anguilla anguilla (2017)
Journal Article
Barry, J., Newton, M., Dodd, J. A., Evans, D., Newton, J., & Adams, C. E. (2017). The effect of foraging and ontogeny on the prevalence and intensity of the invasive parasite Anguillicola crassus in the European eel Anguilla anguilla. Journal of Fish Diseases, 40(9), 1213-1222. https://doi.org/10.1111/jfd.12596

Infection patterns of the invasive Anguillicola crassus nematode were investigated in a population of the European eel Anguilla anguilla where parasite invasion is very recent, Loch Lomond, Scotland. Intensity levels of the parasite were associated w... Read More about The effect of foraging and ontogeny on the prevalence and intensity of the invasive parasite Anguillicola crassus in the European eel Anguilla anguilla.

Invader Relative Impact Potential: a new metric to understand and predict the ecological impacts of existing, emerging and future invasive alien species (2017)
Journal Article
Dick, J. T., Laverty, C., Lennon, J. J., Barrios-O'Neill, D., Mensink, P. J., Robert Britton, J., Médoc, V., Boets, P., Alexander, M. E., Taylor, N. G., Dunn, A. M., Hatcher, M. J., Rosewarne, P. J., Crookes, S., MacIsaac, H. J., Xu, M., Ricciardi, A., Wasserman, R. J., Ellender, B. R., Weyl, O. L., …Caffrey, J. M. (2017). Invader Relative Impact Potential: a new metric to understand and predict the ecological impacts of existing, emerging and future invasive alien species. Journal of Applied Ecology, 54(4), 1259-1267. https://doi.org/10.1111/1365-2664.12849

Predictions of the identities and ecological impacts of invasive alien species are critical for risk assessment, but presently we lack universal and standardized metrics that reliably predict the likelihood and degree of impact of such invaders (i.... Read More about Invader Relative Impact Potential: a new metric to understand and predict the ecological impacts of existing, emerging and future invasive alien species.

Does size matter? A test of size‐specific mortality in Atlantic salmon Salmo salar smolts tagged with acoustic transmitters (2016)
Journal Article
Newton, M., Barry, J., Dodd, J. A., Lucas, M. C., Boylan, P., & Adams, C. E. (2016). Does size matter? A test of size‐specific mortality in Atlantic salmon Salmo salar smolts tagged with acoustic transmitters. Journal of Fish Biology, 89(3), 1641-1650. https://doi.org/10.1111/jfb.13066

Mortality rates of wild Atlantic salmon Salmo salar smolts implanted with acoustic transmitters were assessed to determine if mortality was size dependent. The routinely accepted, but widely debated, ‘2% transmitter mass: body mass’ rule in bioteleme... Read More about Does size matter? A test of size‐specific mortality in Atlantic salmon Salmo salar smolts tagged with acoustic transmitters.

Lake bathymetry and species occurrence predict the distribution of a lacustrine apex predator (2016)
Journal Article
Hughes, M. R., Dodd, J. A., Maitland, P. S., & Adams, C. E. (2016). Lake bathymetry and species occurrence predict the distribution of a lacustrine apex predator. Journal of Fish Biology, 88(4), 1648-1654. https://doi.org/10.1111/jfb.12919

This study examined the abiotic and biotic characteristics of ecosystems that allow expression of a life history called ferox trout, the colloquial name given to brown trout Salmo trutta adopting a piscivorous life history strategy, an apex predator... Read More about Lake bathymetry and species occurrence predict the distribution of a lacustrine apex predator.

Inter and intra-population phenotypic and genotypic structuring in the European whitefish Coregonus lavaretus, a rare freshwater fish in Scotland (2016)
Journal Article
Adams, C. E., Bean, C. W., Dodd, J. A., Down, A., Etheridge, E. C., Gowans, A. R. D., Hooker, O., Knudsen, R., Lyle, A. A., Winfield, I. J., & Praebel, K. (2016). Inter and intra-population phenotypic and genotypic structuring in the European whitefish Coregonus lavaretus, a rare freshwater fish in Scotland. Journal of Fish Biology, 88(2), 580-594. https://doi.org/10.1111/jfb.12855

This study revealed between‐lake genetic structuring between Coregonus lavaretus collected from the only two native populations of this species in Scotland, U.K. (Lochs Eck and Lomond) evidenced by the existence of private alleles (12 in Lomond and f... Read More about Inter and intra-population phenotypic and genotypic structuring in the European whitefish Coregonus lavaretus, a rare freshwater fish in Scotland.

Freshwater and coastal migration patterns in the silver-stage eel Anguilla anguilla (2015)
Journal Article
Barry, J., Newton, M., Dodd, J. A., Lucas, M. C., Boylan, P., & Adams, C. E. (2016). Freshwater and coastal migration patterns in the silver-stage eel Anguilla anguilla. Journal of Fish Biology, 88(2), 676-689. https://doi.org/10.1111/jfb.12865

The unimpeded downstream movement patterns and migration success of small female and male Anguilla anguilla through a catchment in north‐west Europe were studied using an acoustic hydrophone array along the River Finn and into the Foyle Estuary in Ir... Read More about Freshwater and coastal migration patterns in the silver-stage eel Anguilla anguilla.

Resource availability and life-history origin affect competitive behavior in territorial disputes (2015)
Journal Article
Van Leeuwen, T. E., Hughes, M. R., Dodd, J. A., Adams, C. E., & Metcalfe, N. B. (2016). Resource availability and life-history origin affect competitive behavior in territorial disputes. Behavioral Ecology, 27(2), 385-392. https://doi.org/10.1093/beheco/arv163

Partial migration, in which some individuals of a population migrate and others remain sedentary, is a phenomenon that occurs across a wide range of taxa, but the factors that predispose particular individuals to one or the other strategy are usually... Read More about Resource availability and life-history origin affect competitive behavior in territorial disputes.

Foraging specialisms influence space use and movement patterns of the European eel Anguilla anguilla (2015)
Journal Article
Barry, J., Newton, M., Dodd, J. A., Hooker, O. E., Boylan, P., Lucas, M. C., & Adams, C. E. (2016). Foraging specialisms influence space use and movement patterns of the European eel Anguilla anguilla. Hydrobiologia, 766(1), 333-348. https://doi.org/10.1007/s10750-015-2466-z

A fixed receiver array was used to examine the movement patterns and space use of the European eel Anguilla anguilla in an oligotrophic Irish lake between July and September. We assessed home range size, temporal change in spatial behaviour and activ... Read More about Foraging specialisms influence space use and movement patterns of the European eel Anguilla anguilla.

Local scale, coastal currents influence recruitment to freshwater populations in the European eel Anguilla anguilla: a case study from the Isle of Man (2015)
Journal Article
Barry, J., Mcharg, K., Dodd, J. A., & Adams, C. E. (2015). Local scale, coastal currents influence recruitment to freshwater populations in the European eel Anguilla anguilla: a case study from the Isle of Man. Journal of Fish Biology, 86(6), 1873-1880. https://doi.org/10.1111/jfb.12697

This study examines juvenile Anguilla anguilla (< 30 cm) abundance in five study catchments on the Isle of Man. Preliminary results suggest that juvenile abundance is negatively correlated with increasing coastal current speed at river mouth entry (P... Read More about Local scale, coastal currents influence recruitment to freshwater populations in the European eel Anguilla anguilla: a case study from the Isle of Man.

Predicting the ecological impacts of a new freshwater invader: functional responses and prey selectivity of the ‘killer shrimp’, Dikerogammarus villosus, compared to the native Gammarus pulex (2013)
Journal Article
Dodd, J. A., Dick, J. T. A., Alexander, M. E., MacNeil, C., Dunn, A. M., & Aldridge, D. C. (2014). Predicting the ecological impacts of a new freshwater invader: functional responses and prey selectivity of the ‘killer shrimp’, Dikerogammarus villosus, compared to the native Gammarus pulex. Freshwater Biology, 59(2), 337-352. https://doi.org/10.1111/fwb.12268

The ability to predict the likely ecological impacts of invasive species in fresh waters is a pressing research requirement. Whilst comparisons of species traits and considerations of invasion history have some efficacy in this respect, we require ro... Read More about Predicting the ecological impacts of a new freshwater invader: functional responses and prey selectivity of the ‘killer shrimp’, Dikerogammarus villosus, compared to the native Gammarus pulex.

Predators vs. alien: differential biotic resistance to an invasive species by two resident predators (2013)
Journal Article
MacNeil, C., Dick, J., Alexander, M., Dodd, J., & Ricciardi, A. (2013). Predators vs. alien: differential biotic resistance to an invasive species by two resident predators. NeoBiota, 19, 1-19. https://doi.org/10.3897/neobiota.19.4839

The success of invading species can be restricted by interspecific interactions such as competition and predation (i.e. biotic resistance) from resident species, which may be natives or previous invaders. Whilst there are myriad examples of resident... Read More about Predators vs. alien: differential biotic resistance to an invasive species by two resident predators.

Differential leaf-litter processing by native (Gammarus pulex) and invasive (Dikerogammarus villosus) freshwater crustaceans under environmental extremes (2013)
Journal Article
Truhlar, A. M., Dodd, J. A., & Aldridge, D. C. (2014). Differential leaf-litter processing by native (Gammarus pulex) and invasive (Dikerogammarus villosus) freshwater crustaceans under environmental extremes. Aquatic Conservation: Marine and Freshwater Ecosystems, 24(1), 56-65. https://doi.org/10.1002/aqc.2375

There is increasing interest in understanding the implications of biological invasions within the context of ecosystem functioning. Non‐native crustaceans are of particular interest within fresh waters because of their important contributions to leaf... Read More about Differential leaf-litter processing by native (Gammarus pulex) and invasive (Dikerogammarus villosus) freshwater crustaceans under environmental extremes.

Short range dispersal by a rare, obligate freshwater crustacean Triops cancriformis (Bosc) (2013)
Journal Article
Adams, C., Griffin, L., Benzies, E., Aherne, D., Bean, C., Dodd, J., Fairlamb, D., & Maitland, P. (2014). Short range dispersal by a rare, obligate freshwater crustacean Triops cancriformis (Bosc). Aquatic Conservation: Marine and Freshwater Ecosystems, 24(1), 48-55. https://doi.org/10.1002/aqc.2367

Ephemeral freshwater ponds are highly discrete, limiting dispersal for obligate freshwater species and creating disjunct distributions.

The rare, freshwater, ephemeral pond dwelling, brachiopod crustacean, Triops cancriformis (Bosc) exhibits a hig... Read More about Short range dispersal by a rare, obligate freshwater crustacean Triops cancriformis (Bosc).

Is proximity to the North Atlantic Drift and the Continental Shelf Current sustaining freshwater European eel populations in western Scotland? (2012)
Journal Article
Adams, C. E., Godfrey, J. D., Dodd, J. A., & Maitland, P. S. (2013). Is proximity to the North Atlantic Drift and the Continental Shelf Current sustaining freshwater European eel populations in western Scotland?. Freshwater Biology, 58(1), 1-9. https://doi.org/10.1111/fwb.12021

We report on freshwater resident eel numbers in western Scotland based on two time series of data, independent of each other, spanning 28 years and that do not rely upon fisheries information.

Data from eel captures on trash screens of a pumping s... Read More about Is proximity to the North Atlantic Drift and the Continental Shelf Current sustaining freshwater European eel populations in western Scotland?.

Minding the Gap for Biodiversity
Presentation / Conference Contribution
Dodd, J. (2024, April). Minding the Gap for Biodiversity. Presented at UK DNA Working Group Conference, Inverness, UK

Searching for the Wiggle Signal - using reference condition predictions to inform river restoration expectations
Presentation / Conference Contribution
Dodd, J. (2023, June). Searching for the Wiggle Signal - using reference condition predictions to inform river restoration expectations. Paper presented at Symposium for European Freshwater Sciences, Newcastle Upon Tyne, UK

Macroinvertebrates are a commonly used group to investigate the ecological response of a river to restoration intervention. Reviews of the literature summarising the response of macroinvertebrates to river restoration highlight variability in the str... Read More about Searching for the Wiggle Signal - using reference condition predictions to inform river restoration expectations.

Searching for the Wiggle Signal - using reference condition predictions to inform river restoration expectations
Presentation / Conference Contribution
Dodd, J. (2023, September). Searching for the Wiggle Signal - using reference condition predictions to inform river restoration expectations. Presented at Scientific Advances in River Restoration, Liverpool, UK

Macroinvertebrates are a commonly used group to invesgate the ecological response of a river to restoraon intervenon.
Reviews of the literature summarising the response of macroinvertebrates to river restoraon highlight variability in the strength... Read More about Searching for the Wiggle Signal - using reference condition predictions to inform river restoration expectations.