Case study:River Glaven conservation group: Difference between revisions

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{{Case_study_status
{{Case study status
|Approval status=
|Approval status=Approved
   
 
 
   
      Draft
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{{Location
{{Location
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{{Project overview
{{Project overview
|Status=Complete
|Status=Complete
|Themes=Economic aspects, Land use management - fisheries, Monitoring, Spatial planning
|Themes=Economic aspects, Fisheries, Monitoring, Spatial planning
|Country=England
|Country=England
|Main contact forename=Nick
|Main contact forename=Ian
|Main contact surname=Elbourne
|Main contact surname=Shepherd
|Main contact id=NickRRC
|Contact organisation=River Glaven Conservation Group
|Contact organisation=River Restoration Centre
|Contact organisation url=www.riverglaven.co.uk/
|Contact organisation url=www.therrc.co.uk
|Partner organisations=Wild Trout Trust,
|Multi-site=No
|Multi-site=No
|Project picture=PA230021.JPG
|Picture description=River narrowing using locally coppiced hazel trees
|Project summary=The objectives of the project were to improve the in-river habitat upstream from Letheringsett Ford, to re-connect the river and floodplain and to develop an experience base which would serve the River Glaven Conservation Group (RGCG) well on other projects.
}}
}}
{{Case_study_subcatchment
{{Image gallery}}
|Subcatchment=
{{Case study image
   
|File name=PA230006.JPG
   
}}
      Glaven
{{Case study image
|File name=PA230012.JPG
}}
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{{Case study subcatchment
|Subcatchment=Glaven
}}
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{{Site
{{Site
|Name=
|Name=Glaven
   
|WFD water body code=GB105034055780
   
|WFD water body name=Glaven
      Glaven
|Pre-project morphology=Single channel,High width:depth
|WFD water body code=
|Reference morphology=Single channel,Sinuous,Pool-riffle
     
|Heavily modified water body=Yes
|WFD (national) typology=
|Protected species present=No
     
|Invasive species present=No
|WFD water body name=
|Dominant hydrology=Quick run-off
     
|Dominant substrate=Gravel,Bedrock,Cobble
|Pre-project morphology=
|River corridor land use=Extensive agriculture,Woodland,Grassland
      Single channel,High width:depth
|Average bankfull channel width category=10 - 50 m
|Reference morphology=
|Average bankfull channel depth category=0.5 - 2 m
      Single channel,Sinuous,Pool-riffle
|Heavily modified water body=
      true
|Local site designation=
     
|Site designation=
     
|Protected species present=
     
|Invasive species present=
     
|Species=
     
|Dominant hydrology=
      Quick run-off
|Dominant substrate=
      Gravel,Bedrock,Cobble
|River corridor land use=
      Extensive agriculture,Woodland,Grassland
|Average bankfull channel width category=
      10 - 50 m
|Avrg bankfull channel width=
     
|Average bankfull channel depth category=
      0.5 - 2 m
|Avrg1 bankfull channel depth=
     
|Mean discharge category=
     
|Mn discharge=
     
|Average channel gradient category=
     
|Avrg channel gradient=
     
}}
}}
{{Project_background
{{Project background
|Reach length directly affected=
|Reach length directly affected=400 m
   
|Project started=2003/01/01
   
|Works started=2006/01/01
      400 m
|Works completed=2006/01/01
|Project started=
|Total cost category=1 - 10 k€
      2003/01/01
|Total1 cost=8 k€
|Works started=
|Funding sources=Wild Trout Trust,Environment Agency
      2006/01/01
|Investigation and design Lead organisation=Environment Agency
|Works completed=
|Stakeholder engagement Lead organisation=Environment Agency
      2006/01/01
|Works and supervision Lead organisation=Environment Agency
|Project completed=
|Post-project management and maintenance Lead organisation=Environment Agency
     
|Monitoring Lead organisation=Environment Agency
|Total cost category=
|Supplementary funding information=Funding also provided by the Cinderella Chalk Rivers Project
      Less than 10 k€
|Total1 cost=
      8 k€
|Funding sources=
      Wild Trout Trust,Environment Agency
|Investigation and design cost category=
     
|Invst and design cost=
     
|Investigation and design Lead organisation=
      Environment Agency
|Investigation and design Other contact forename=
     
|Investigation and design Other contact surname=
     
|Stakeholder1 engagement cost category=
     
|stk engagement cost=
     
|Stakeholder engagement Lead organisation=
      Environment Agency
|Stakeholder engagement Other contact forename=
     
|Stakeholder engagement Other contact surname=
     
|Works1 and supervision cost category=
     
|Wrk and supervision cost=
     
|Works and supervision Lead organisation=
      Environment Agency
|Works and supervision Other contact forename=
     
|Works and supervision Other contact surname=
     
|Post-project1 management and maintenance cost category=
     
|Post-project2 management and maintenance cost=
     
|Post-project management and maintenance Lead organisation=
      Environment Agency
|Post-project management and maintenance Other contact forename=
     
|Post-project management and maintenance Other contact surname=
     
|Monitoring1 cost category=
     
|Monitoring2 cost=
     
|Monitoring Lead organisation=
      Environment Agency
|Monitoring Other contact forename=
     
|Monitoring Other contact surname=
     
|Supplementary funding information=
     
}}
}}
{{Motivations
{{Motivations
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{{Measures
{{Measures
|Bank and bed modifications measure=
|Bank and bed modifications measure=Re-profiling,Introducing large woody debris, Introduction of gravel,
   
|Floodplain / River corridor=Connection to wider floodplain,
   
|Planform / Channel pattern=Channel narrowing,Creation of braided channel
      Re-profiling,Gravel placement,Placement of LWD
|Floodplain / River corridor=
      Re-connection with wider floodplain
|Planform / Channel pattern=
      Channel narrowing,Creation of braided channel
|Other technical measure=
     
|Management interventions=
     
|Social measures=
     
|Wider stakeholder / citizen engagement=
     
}}
}}
{{Hydromorphological_quality_elements_header}}
{{Hydromorphological_quality_elements_header}}
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{{Monitoring_documents}}
{{Monitoring_documents}}
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{{Monitoring_documents_end}}
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{{Additional_Documents}}
{{Additional_Documents}}
{{Additional_Documents_end}}
{{Additional_Documents_end}}
{{Additional_links_and_references_header}}
{{Additional links and references header}}
{{Additional links and references
|Link=therrc.co.uk/case_studies/cinderella%20chalk%20rivers.pdf
|Description=Cinderella Chalk Rivers overview
}}
{{Additional links and references
|Link=therrc.co.uk/case_studies/rgcg%20report.pdf
|Description=RGCG in-river habitat improvement 2006 Report
}}
{{Additional links and references
|Link=therrc.co.uk/case_studies/wtt%20award%20winner.pdf
|Description=The Glaven Project wins the annual Wild Trout Trust and Orvis Conservation Awards 2007 Professional Category
}}
{{Additional links and references
|Link=therrc.co.uk/case_studies/glaven%20restoration%20project.pdf
|Description=The River Restoration Centre Case Study Series - Summary of River Glaven Restoration Project
}}
{{Additional_links_and_references_footer}}
{{Additional_links_and_references_footer}}
{{Supplementary_Information
{{Supplementary Information
|Information=
|Information=The project was named as the winner of the Professional Category at the 2007 Wild Trout Trust and Orvis Conservation Awards, reinforcing it's position as a good example of a successful river restoration project.
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
     
}}
}}
{{Case_study_upload}}
{{Case_study_upload}}
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Latest revision as of 12:37, 6 June 2017

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Location: 52° 54' 6.53" N, 1° 3' 39.83" E
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Project overview

Edit project overview
Status Complete
Project web site
Themes Economic aspects, Fisheries, Monitoring, Spatial planning
Country England
Main contact forename Ian
Main contact surname Shepherd
Main contact user ID
Contact organisation River Glaven Conservation Group
Contact organisation web site http://www.riverglaven.co.uk/
Partner organisations Wild Trout Trust
Parent multi-site project
This is a parent project
encompassing the following
projects
No
River narrowing using locally coppiced hazel trees

Project summary

Edit project overview to modify the project summary.


The objectives of the project were to improve the in-river habitat upstream from Letheringsett Ford, to re-connect the river and floodplain and to develop an experience base which would serve the River Glaven Conservation Group (RGCG) well on other projects.

Monitoring surveys and results

This case study hasn’t got any Monitoring survey and results, you can add some by editing the project overview.

Lessons learnt

This case study hasn’t got any lessons learnt, you can add some by editing the project overview.


Image gallery


PA230006.JPG
PA230012.JPG
ShowHideAdditionalImage.png


Catchment and subcatchment

Catchment

River basin district Anglian
River basin North Norfolk

Subcatchment

River name Glaven
Area category 10 - 100 km²
Area (km2)
Maximum altitude category 100 - 200 m
Maximum altitude (m) 103103 m <br />0.103 km <br />10,300 cm <br />
Dominant geology Calcareous
Ecoregion Great Britain
Dominant land cover Arable and Horticulture
Waterbody ID GB105034055780



Other case studies in this subcatchment: Nine Chalk Rivers Project - Glaven Catchment, River Restoration at Hunworth (River Glaven)


Site

Name Glaven
WFD water body codes GB105034055780
WFD (national) typology
WFD water body name Glaven
Pre-project morphology Single channel, High width:depth
Reference morphology Single channel, Sinuous, Pool-riffle
Desired post project morphology
Heavily modified water body Yes
National/international site designation
Local/regional site designations
Protected species present No
Invasive species present No
Species of interest
Dominant hydrology Quick run-off
Dominant substrate Gravel, Bedrock, Cobble
River corridor land use Extensive agriculture, Woodland, Grassland
Average bankfull channel width category 10 - 50 m
Average bankfull channel width (m)
Average bankfull channel depth category 0.5 - 2 m
Average bankfull channel depth (m)
Mean discharge category
Mean annual discharge (m3/s)
Average channel gradient category
Average channel gradient
Average unit stream power (W/m2)


Project background

Reach length directly affected (m) 400 m0.4 km <br />40,000 cm <br />
Project started 2003/01/01
Works started 2006/01/01
Works completed 2006/01/01
Project completed
Total cost category 1 - 10 k€
Total cost (k€) 8 k€8,000 € <br />
Benefit to cost ratio
Funding sources Wild Trout Trust, Environment Agency

Cost for project phases

Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname
Investigation and design Environment Agency
Stakeholder engagement and communication Environment Agency
Works and works supervision Environment Agency
Post-project management and maintenance Environment Agency
Monitoring Environment Agency

Supplementary funding information

Funding also provided by the Cinderella Chalk Rivers Project



Reasons for river restoration

Mitigation of a pressure
Hydromorphology Channel pattern/planform, Continuity of sediment transport
Biology Fish: Abundance
Physico-chemical
Other reasons for the project Landscape enhancement, Fisheries


Measures

Structural measures
Bank/bed modifications Re-profiling, Introducing large woody debris, Introduction of gravel
Floodplain / River corridor Connection to wider floodplain
Planform / Channel pattern Channel narrowing, Creation of braided channel
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
Other


Monitoring

Hydromorphological quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

Biological quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative
Fish: Abundance Yes Yes Awaiting results

Physico-chemical quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

Any other monitoring, e.g. social, economic

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative


Monitoring documents



Additional documents and videos


Additional links and references

Link Description
http://therrc.co.uk/case studies/cinderella%20chalk%20rivers.pdf Cinderella Chalk Rivers overview
http://therrc.co.uk/case studies/rgcg%20report.pdf RGCG in-river habitat improvement 2006 Report
http://therrc.co.uk/case studies/wtt%20award%20winner.pdf The Glaven Project wins the annual Wild Trout Trust and Orvis Conservation Awards 2007 Professional Category
http://therrc.co.uk/case studies/glaven%20restoration%20project.pdf The River Restoration Centre Case Study Series - Summary of River Glaven Restoration Project

Supplementary Information

Edit Supplementary Information

The project was named as the winner of the Professional Category at the 2007 Wild Trout Trust and Orvis Conservation Awards, reinforcing it's position as a good example of a successful river restoration project.