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	http://https://www.chsegura.es/chs/cuenca/seguraripisilvanatura
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	LIFE+ RIPISILVANATURA (LIFE13 BIO/ES/1407)
This is a parent project encompassing the following projects	No

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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.

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Catchment and subcatchment Select a catchment/subcatchment Edit the catchment and subcatchment details (affects all case studies in this 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 Edit 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 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 Average unit stream power (W/m2) Project background Edit 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€) 2.4542.454 k€ <br />2,454 € <br /> 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 Stakeholder engagement and communication Works and works supervision Post-project management and maintenance Monitoring Reasons for river restoration Edit reasons for restoration Mitigation of a pressure Hydromorphology Biology Physico-chemical Other reasons for the project Measures Edit 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 Edit Hydromorphological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Biological quality elements Edit biological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Physico-chemical quality elements Edit 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 Edit Other responses Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Monitoring documents Upload monitoring documents Additional documents and videos Upload additional documents Riverbanks restoration handbook for the Segura river basin Works within the Segura River project site (Calasparra and Cieza). Clearing and cleaning of invasive giant reed and replacement of riverbank forest Additional links and references Edit 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 Edit Supplementary Information