Case study:Strengthening associated biodiversity of habitat 92A0 and control of Invasive Alien Species in the Segura River (LIFE + Ripisilvanatura)

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Location: 38° 15' 40.03" N, 1° 41' 55.10" W
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Project overview

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Status Complete
Project web site
Themes Habitat and biodiversity, Hydromorphology, Land use management - agriculture, Monitoring
Country Spain
Main contact forename Jaime
Main contact surname Fraile
Main contact user ID
Contact organisation Confederación Hidrográfica del Segura
Contact organisation web site http://https://www.chsegura.es/chs/cuenca/seguraripisilvanatura/
Partner organisations Comunidad Autónoma de la Región de Murcia (Subdirección General de Medio Natural); Universidad de Murcia (Departamentos de Ecología e Hidrología, y de Zoología y Antropología Física, Facultad de Biología); Asociación de Naturalistas del Sureste - ANSE; Ayuntamiento de Calasparra & Ayuntamiento de Cieza.
Parent multi-site project
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Project summary

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Despite the Segura River makes its way in many through unique vegetation in many sections of the stream, the riverside or riparian forest (ripisilva) is in serious danger due to the threat of invasive species which are gradually occupying its space. LIFE project "Ripisilvanatura" aims to control the expansion of Invasive Exotic Species existing on the riverbanks of the Segura River and promote the colonization of the riparian forest by native species.


As mentioned before, the main objective is to promote the recovery of the riparian forest, specifically of the habitats of Community interest 92A0 and 92D0 as well as their associated main habitats in the most degraded area of that habitat through the Segura River which is located after the largest reservoir of the entire basin (Cenajo reservoir). It is an area of maximum condition and progressive deterioration of the habitat corresponding to the Vega Alta del Segura in Moratalla, Calasparra and Cieza. To achieve this goal, the project aims to fight against Invasive Alien Species (IAS) since they have colonized the original niche of such habitat. AIS are the key actors of the substantial problem for the River Segura in the Region of Murcia; the loss of primary habitat is an advantage for opportunistic species of both fauna and flora, entailing an obvious loss of the rich biodiversity that was traditionally linked to the Salicaceae and Populus ripisilva. Thus the main strategy pursues the recovery and protection of riparian forests from the middle course of the river basin in the stretch including the municipalities of Moratalla, Calasparra and Cieza by controlling invasive alien species primarily within the habitats listed as “priority” because the species of fauna that are the subject of this project find their niche in these habitats.


Fulfilment of the following specific objectives set will enable the success of the project: • Creation of a green infrastructure between the two riparian nature reserves of the region. • Regeneration and protection of the priority habitats of community interest and the habitats of interest associated with the river • Protection and conservation of priority and European special protection fauna. • Elimination of invasive exotic plant species through hands-off management. • Removal of ichthyofauna and exotic birds via citizen engagement and the competent administration. • Prevention and eradication of fires along the riverbed. • Creation of a Land Stewardship Network for the Vega Alta. • Provision of ITCs as a very versatile tool for the fight against IAS and biodiversity conservation. • Generation of protection measures for the threatened pre-existing ripisilva clumps. • Publication of an Integrated Management and Control Strategy on Invasive Alien Species

Monitoring surveys and results

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Lessons learnt

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The project has contributed to the control and monitoring of Invasive Alien Species (IAS) in the study area, mainly exotic Galapagos, as well as the replacement of vegetation on riversides of the Segura River from non-native to native. During the project, different trial management techniques have been carried out for the eradication of giant reed (Arundo donax) and exotic Galapagos (Trachemys scripta). The exotic Galapagos and other exotic species specimens captured during the surveys have been transferred to the Wildlife Recovery Center for management.

The implementation of the different actions has been developed through the participation of volunteers involved in the project. They have contributed to the plantations, removal of IAS from the river, installation of bat boxes and riparian birds banding activities.

The immediate occupation by riparian vegetation returns the river to its natural condition. Among its multiple benefits this status does not promote the spread of fires and gives shelter to numerous native species.

Another achievement of the project has been the raise on awareness among the sectors involved in animals’ sale. Formative talks about the impact that IAS have on rivers have taken place along the project term to put across the message to actual owners and future buyers.


Image gallery


Alien sp vs Endemic sp.jpg
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Catchment and subcatchment

Catchment

River basin district C. H. Segura
River basin Segura

Subcatchment

River name Segura
Area category more than 10000 km²
Area (km2) 1887018,870 km² <br />1,887,000 ha <br />
Maximum altitude category 1000 - 2000 m
Maximum altitude (m) 14131,413 m <br />1.413 km <br />141,300 cm <br />
Dominant geology
Ecoregion Ibero-Macaronesian
Dominant land cover
Waterbody ID



Other case studies in this subcatchment: LIFE Segura Riverlink (Through rivers), Segura's River Bioremediation


Site

Name
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology
Reference morphology
Desired post project morphology
Heavily modified water body
National/international site designation
Local/regional site designations
Protected species present
Invasive species present
Species of interest
Dominant hydrology
Dominant substrate
River corridor land use
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Project background

Reach length directly affected (m) 5700057,000 m <br />57 km <br />5,700,000 cm <br />
Project started 2014/09/01
Works started
Works completed
Project completed 2019/08/31
Total cost category 1 - 10 k€
Total cost (k€)
Benefit to cost ratio
Funding sources EU co-financing (49.75%).

Cost for project phases

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



Reasons for river restoration

Mitigation of a pressure
Hydromorphology
Biology
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications
Floodplain / River corridor
Planform / Channel pattern
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

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Physico-chemical quality elements

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Any other monitoring, e.g. social, economic

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Monitoring documents



Additional documents and videos


Additional links and references

Link Description
http://https://exoticasinvasoras.carm.es/ Map that gives information on the geographic location of alien species detected on the Region of Murcia. New observations could be uploaded using the App "Exóticas Murcia" (Android only)
http://https://twitter.com/ripisilvanatura Twitter profile of the project
http://https://www.facebook.com/ripisilvanatura/ Facebook profile of the project

Supplementary Information

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