Case study:Toce River: conservation of riparian habitats for breeding and migratory birds - LIFE02 NAT/IT/008572: Difference between revisions

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The project aimed to help the conservation, rehabilitation and extension of the river and riverbank habitats along a stretch of the river Toce downstream Domodossola.
The project aimed to help the conservation, rehabilitation and extension of the river and riverbank habitats along a stretch of the river Toce downstream Domodossola.
The project achieved some relevant results such as the creation of an area with different water levels down to a maximum depth of 1 m, thus favouring amphibians and birds in the locality of Prata (Municipality of Vogogna); the reduction of the presence of invasive exotic trees and shrubs in termophilous shrub habitats; the maintenance of suitable habitat for nesting birds in the lowland hay meadows through specific management intervention consisting in mowing; the creation of new alluvial forests.
The project achieved some relevant results such as the creation of an area with different water levels down to a maximum depth of 1 m, thus favouring amphibians and birds in the locality of Prata (Municipality of Vogogna); the reduction of the presence of invasive exotic trees and shrubs in termophilous shrub habitats; the maintenance of suitable habitat for nesting birds in the lowland hay meadows through specific management intervention consisting in mowing; the creation of new alluvial forests.
|Monitoring surveys and results=The results of the monitoring survey started in 2003 revealed an increase of some bird species using the restored habitats as nesting, feeding and hunting (raptors) areas as a positive consequence of the interventions, especially in the lowland hay meadows and in the dry scrublands.
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|Caption=Eutrophic lake before the activities.
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|Caption=Eutrophic lake after the activities.
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|File name=Toce - River bank with scions of Salix.jpg
|Caption=River bank with scions of Salix.
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{{Project_background
{{Project background
|Reach length directly affected=
|Project started=2003/01/01
   
|Project completed=2006/12/31
   
|Total1 cost=532.708
     
|Funding sources=UE founds (LIFE02 NAT/IT/008572), Provincia del Verbano-Cuneo-Ossola
|Project started=
     
|Works started=
     
|Works completed=
     
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{{Measures
{{Measures
|Bank and bed modifications measure=
|Bank and bed modifications measure=Morphological diversification
   
|Floodplain / River corridor=Control of invasive species, Riparian planting,
   
|Management interventions=Limitation of access to the river; conservation of mobility area
     
|Floodplain / River corridor=
     
|Planform / Channel pattern=
     
|Other technical measure=
     
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|Element=
|Element=Birds
   
|Monitored before=Yes
   
|Monitored after=Yes
   
|Qualitative monitoring=No
   
|Quantitative monitoring=No
     
|Control site used=No
|Monitored before=
|Result=Improvement
     
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Latest revision as of 11:57, 1 June 2017

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Location: 46° 4' 41.56" N, 8° 16' 58.94" E
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Project overview

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Status Complete
Project web site
Themes
Country Italy
Main contact forename Barbara
Main contact surname Lomazzi
Main contact user ID
Contact organisation Verbania County
Contact organisation web site
Partner organisations
Parent multi-site project
This is a parent project
encompassing the following
projects 		No
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Project summary

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The river Toce in the Alps is the next largest tributary of Lake Maggiore after the river Ticino. It is a very important site for nesting birds and especially migrating birds including priority species, such as the corncrake (Crex crex). The Toce fulfils a vital role as an ecological corridor across the Alps during bird migration. The project aimed to help the conservation, rehabilitation and extension of the river and riverbank habitats along a stretch of the river Toce downstream Domodossola. The project achieved some relevant results such as the creation of an area with different water levels down to a maximum depth of 1 m, thus favouring amphibians and birds in the locality of Prata (Municipality of Vogogna); the reduction of the presence of invasive exotic trees and shrubs in termophilous shrub habitats; the maintenance of suitable habitat for nesting birds in the lowland hay meadows through specific management intervention consisting in mowing; the creation of new alluvial forests.

Monitoring surveys and results

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The results of the monitoring survey started in 2003 revealed an increase of some bird species using the restored habitats as nesting, feeding and hunting (raptors) areas as a positive consequence of the interventions, especially in the lowland hay meadows and in the dry scrublands.

Lessons learnt

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Image gallery


Eutrophic lake before the activities.
Eutrophic lake after the activities.
River bank with scions of Salix.
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Catchment and subcatchment

Catchment

River basin district Distretto idrografico del fiume PO
River basin Bacino del Toce

Subcatchment

River name Toce
Area category 10 - 100 km²
Area (km2)
Maximum altitude category 200 - 500 m
Maximum altitude (m)
Dominant geology Siliceous
Ecoregion Italy and Corsica
Dominant land cover Urban
Waterbody ID



Site

Name IT1140006 “Greto del torrente Toce tra Domodossola e

Villadossola”

WFD water body codes 01SS4N829PI
WFD (national) typology PE01ss4n
WFD water body name
Pre-project morphology Braided
Reference morphology Braided
Desired post project morphology
Heavily modified water body
National/international site designation EU - Special Area of Conservation
Local/regional site designations SIC e ZPS “Greto del torrente Toce tra Domodossola e Villadossola”, IT1140006
Protected species present
Invasive species present
Species of interest
Dominant hydrology
Dominant substrate Gravel, Mixture with sand and lime
River corridor land use Urban
Average bankfull channel width category
Average bankfull channel width (m)
Average bankfull channel depth category
Average bankfull channel depth (m)
Mean discharge category
Mean annual discharge (m3/s)
Average channel gradient category
Average channel gradient 4.6
Average unit stream power (W/m2)


Project background

Reach length directly affected (m)
Project started 2003/01/01
Works started
Works completed
Project completed 2006/12/31
Total cost category
Total cost (k€) 532.708532.708 k€ <br />532,708 € <br />
Benefit to cost ratio
Funding sources UE founds (LIFE02 NAT/IT/008572), Provincia del Verbano-Cuneo-Ossola

Cost for project phases

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



Reasons for river restoration

Mitigation of a pressure
Hydromorphology Structure & condition of riparian/lake shore zones
Biology
Physico-chemical
Other reasons for the project rehabilitation and extension of the river and riverbank habitats for nesting and migrating birds


Measures

Structural measures
Bank/bed modifications Morphological diversification
Floodplain / River corridor Control of invasive species, Riparian planting
Planform / Channel pattern
Other
Non-structural measures
Management interventions Limitation of access to the river; conservation of mobility area
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
[[]]

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
Birds Yes Yes No No No Improvement


Monitoring documents



Additional documents and videos


Additional links and references

Link Description
http://ec.europa.eu/environment/life/project/Projects/index.cfm?fuseaction=search.dspPage&n proj id=1981 Project description in the LIFE database

Supplementary Information

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