Understanding the controls on deposited fine sediment in the streams of agricultural catchments

PS Naden, JF Murphy, GH Old, J Newman… - Science of the Total …, 2016 - Elsevier
Excessive sediment pressure on aquatic habitats is of global concern. A unique dataset,
comprising instantaneous measurements of deposited fine sediment in 230 agricultural …

Does fine sediment source as well as quantity affect salmonid embryo mortality and development?

DA Sear, JI Jones, AL Collins, A Hulin, N Burke… - Science of the Total …, 2016 - Elsevier
Fine sediments are known to be an important cause of increased mortality in benthic
spawning fish. To date, most of the research has focussed on the relationship between …

Mapping habitat indices across river networks using spatial statistical modelling of River Habitat Survey data

M Naura, MJ Clark, DA Sear, PM Atkinson… - Ecological …, 2016 - Elsevier
Freshwater ecosystems are declining faster than their terrestrial and marine counterparts
because of physical pressures on habitats. European legislation requires member states to …

The sedimentology of gravel beds in groundwater‐dominated chalk streams: Implications for sediment modelling and management

B Mondon, DA Sear, AL Collins… - River Research and …, 2024 - Wiley Online Library
Elevated fine sediment accumulation in a river system's gravel bed is known to cause
detrimental ecological impacts. Current sediment targets and approaches to mitigation have …

Sediment‐associated organic matter sources and sediment oxygen demand in a Special Area of Conservation (SAC): A case study of the River Axe, UK

AL Collins, Y Zhang, S McMillan… - River research and …, 2017 - Wiley Online Library
Oxygen demand in river substrates providing important habitats for the early life stages of
aquatic ecology, including lithophilous fish, can arise due to the oxidation of sediment …

Mapping the combined risk of agricultural fine sediment input and accumulation for riverine ecosystems across England and Wales

M Naura, DD Hornby, AL Collins, DA Sear, C Hill… - Ecological …, 2016 - Elsevier
Fine sediment inputs from agricultural sources are a potential threat to freshwater
ecosystems and may impact on the ability of EU members⿿ states to achieve environmental …

Fingerprinting source contributions to bed sediment‐associated organic matter in the headwater subcatchments of the River Itchen SAC, Hampshire, UK

Y Zhang, AL Collins, S McMillan… - River Research and …, 2017 - Wiley Online Library
Excessive accumulation of sediment‐associated organic matter in river beds has detrimental
impacts on aquatic ecology, including fish. Sediment and source samples were collected …

The ecological impacts of contaminated sediment from abandoned metal mines

JI Jones, K Spencer, PS Rainbow… - … Ecological Impacts of …, 2019 - qmro.qmul.ac.uk
Pollution from abandoned non-coal (ie metal) mines is a serious impediment to rivers
meeting the water quality targets set out in River Basin Management Plans. Recent work has …

Interactions between fine-grained sediment delivery, river bed deposition and salmonid spawning success

I Pattison, DA Sear, AL Collins… - Proceedings of the …, 2015 - piahs.copernicus.org
Salmonids clean river bed gravels to lay their eggs. However, during the incubation period
fine sediment infiltrates the bed. This has been found to limit the success of salmonid …

[PDF][PDF] Project Report No. 559

M Silgram, B Jackson, B McKenzie, J Quinton… - 2015 - researchgate.net
Tramline wheelings are an important management tool for cereals, but their use for autumn
spraying also increases the risk and severity of soil compaction and damage, surface runoff …