Stewart J. Clarke

ORCID: 0009-0001-0281-381X
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About
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Research Areas
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Geology and Paleoclimatology Research
  • Fish Ecology and Management Studies
  • Ecology and biodiversity studies
  • Transboundary Water Resource Management
  • Soil erosion and sediment transport
  • Hydrology and Sediment Transport Processes
  • Hydrology and Watershed Management Studies
  • Freshwater macroinvertebrate diversity and ecology
  • Coastal wetland ecosystem dynamics
  • Aquatic Invertebrate Ecology and Behavior
  • Land Use and Ecosystem Services
  • Cryospheric studies and observations
  • Peatlands and Wetlands Ecology
  • Economic and Environmental Valuation
  • Geological Studies and Exploration
  • Flood Risk Assessment and Management
  • Polar Research and Ecology
  • Soil and Water Nutrient Dynamics
  • Aquatic Ecosystems and Biodiversity
  • Forest Management and Policy
  • Geological formations and processes
  • Marine and environmental studies
  • Methane Hydrates and Related Phenomena
  • Botany and Plant Ecology Studies

National Trust
2015-2024

Natural England
2006-2015

Suffolk University
2015

Queen Mary University of London
2000-2002

Summary Priority question exercises are becoming an increasingly common tool to frame future agendas in conservation and ecological science. They effective way identify research foci that advance the field also have high policy relevance. To date, there has been no coherent synthesis of key questions priority areas for palaeoecology, which combines biological, geochemical molecular techniques order reconstruct past environmental systems on time‐scales from decades millions years. We adapted...

10.1111/1365-2745.12195 article EN cc-by-nc Journal of Ecology 2013-11-30

Hydrological and geomorphological research in river environments has largely ignored the influence of instream vegetation growth; focusing rather on role riparian as a control bank stability or potential buffer for dissolved particulate material entering channel from hillslope. However, many lowland streams may be abundant reach high levels biomass during growing season. These plants (macrophytes) have significant effect flow, sediment nutrient dynamics. Plant growth cause increased...

10.1191/0309133302pp324ra article EN Progress in Physical Geography Earth and Environment 2002-06-01

Abstract River restoration is now widely undertaken and may be considered an increasingly important aspect of river management. Recent developments in European legislation (Habitats Directive the Water Framework Directive) should give further impetus to across EU member states, as this places greater emphasis on processes that support ecology. Traditional approaches have been reach‐focused opportunistic, capitalizing flood defence works cooperation sympathetic landowners. Furthermore, many...

10.1002/aqc.591 article EN Aquatic Conservation Marine and Freshwater Ecosystems 2003-08-26

While it is acknowledged that changes in the condition of a wetland can be detected through contemporary monitoring programs, this paper explores extent to which palaeoecological approaches used concert with techniques understand benchmark conditions, rates and direction change. This done within context Ramsar Convention on Wetlands addresses conservation internationally important wetlands wise use all wetlands. Over time has adopted considerable body guidance detecting, reporting responding...

10.1071/mf15293 article EN Marine and Freshwater Research 2015-11-27

We present the results of our 15th horizon scan novel issues that could influence biological conservation in future. From an initial list 96 issues, international panel scientists and practitioners identified 15 we consider important for societies worldwide to track potentially respond to. Issues are within or represent a substantial positive negative step-change with global regional extents. For example, new sources hydrogen fuel changes deep-sea currents may have profound impacts on marine...

10.1016/j.tree.2023.11.001 article EN cc-by Trends in Ecology & Evolution 2023-12-18

Abstract Landscape rewilding has the potential to help mitigate hydrological extremes by allowing natural processes function. Our systematic review assessed evidence base for rewilding‐driven mitigation of high and low flows. The uncovers a lack research directly addressing rewilding, but highlights in analogue contexts which can, with caution, indicate nature change. There is before‐after studies that enable deeper examination temporal trajectories legacy effects, on scrub shrubland...

10.1002/wat2.1710 article EN cc-by Wiley Interdisciplinary Reviews Water 2024-02-14

The cover image is based on the article Full floodplain connectivity: Realising opportunities for ‘Stage 0’ river restoration by Stewart Clarke et al., https://doi.org/10.1002/rra.4283 .

10.1002/rra.4423 article EN River Research and Applications 2025-01-01

Abstract Continued declines in freshwater biodiversity and the challenges of climate change are creating greater interest river restoration projects. Increasing recognition interaction between biological, geomorphological hydrological processes has led to development ‘Stage 0’ restoration. Stage 0 reaches typically multi‐thread anabranching systems connected floodplain its ecosystems. It is suggested that defining characteristic conditions connectivity (longitudinal, lateral vertical) at...

10.1002/rra.4283 article EN River Research and Applications 2024-04-16

10.1006/ecss.1998.0359 article EN Estuarine Coastal and Shelf Science 1998-09-01

Summary Highly calcareous (marl) lakes are infrequent but important freshwater ecosystems, protected under the EU Habitats and Species Directive. Chara have been considered resistant to eutrophication owing self‐stabilising properties of charophyte meadows. However, opposite is suggested by large‐scale biodiversity declines in marl lake taxa Europe, evidence sensitivity eutrophication. We combined contemporary, palaeolimnological archival methods investigate Hawes Water, a shallow north‐west...

10.1111/fwb.12650 article EN cc-by Freshwater Biology 2015-08-12

Current work on adaptation responses for conservation management in the face of predicted climate change has a distinctly terrestrial focus. Existing evidence potential impact freshwater ecosystems indicates that it is interaction between direct and current anthropogenic pressures likely to define way which biodiversity affected. A brief overview effect upon fresh waters presented. In light this review, possible actions safeguard are discussed. Management challenges proposed presented at...

10.1608/frj-2.1.3 article EN Freshwater Reviews 2009-06-01

Abstract Citizen science is increasingly being promoted as a means of gathering more data to help inform the management ecosystems. Involving participants in design collection activities form co‐design often proposed by those calling for translational ecology. In addition, novel monitoring approaches have potential improve quality collected citizen scientists. We explored environmental DNA (eDNA) vertebrate (mainly fish) species through co‐designed catchment strategy. Having been introduced...

10.1002/2688-8319.12273 article EN cc-by Ecological Solutions and Evidence 2023-07-01

Wetlands are an important social–ecological resource, being fundamentally to many natural processes, human wellbeing and livelihoods. They also contain stores of information in their sediments which increasingly used improve conservation environmental management outcomes. We describe how palaeoecology can inform understanding longer-term processes wetland environments examples where it has contributed directly site-based decisions for wetlands the UK. Palaeoecological science is partnerships...

10.1071/mf15031 article EN Marine and Freshwater Research 2016-01-01

Eutrophication is the most pressing threat to highly calcareous (marl) lakes in Europe. Despite their unique chemistry and biology, comprehensive studies into unimpacted conditions eutrophication responses are underrepresented conservation literature. A multi-indicator palaeolimnological study spanning ca 1260 2009 was undertaken at Cunswick Tarn (UK), a small, presently eutrophic marl lake, order capture centennial timescales of impact. Specific aims were 1) establish temporal patterns...

10.3389/fevo.2015.00082 article EN cc-by Frontiers in Ecology and Evolution 2015-08-12

The Shropshire and Cheshire meres of north-west England are characterised by high phosphorus concentrations. This review assesses the importance nitrogen concentrations in determining water ecological quality meres. Palaeolimno—logical evidence indicates that may be naturally eutrophic, but have increased past century. Results show also support hypothesis contribute to reduced macrophyte species richness. In light evident significance nitrogen, potential role driving eutrophication is discussed.

10.1608/frj-2.1.5 article EN Freshwater Reviews 2009-06-01
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