General National Id Greece_01 Site name Xiropotamos River Basin Light or indepth? Light NUTS Code Δυτική Μακεδονία (Dytiki Makedonia) RBD code GR09 Transboundary 0 Data provider Maggie Kossida, IACO Source(s) Approval for environmental terms for implementation of forest hydroeconomy works in mountainous areas in part of the river basin of Xiropotamos NWRM(s) implemented in the case study Maintenance of forest cover in headwater areas Stream bed re-naturalization Site information Climate zone warm temperate dry Mean rainfall 609,799987792969 Mean rainfall unit mm/year Average temperature 11,6000003814697 Mean runoff 1,92999994754791 Mean runoff unit 600 - 750 mm Type Case Study Info Performance Performance impact estimation method Unknown Performance impact estimation information Non applicable Design & implementations Application scale River Basin Lifespan 25 Performance timescale 1 - 4 years Area (ha) 2800 Area subject to Land use change or Management/Practice change (ha) 2800 Design capacity description The retention measures are based on eliminating soil erosion and decreasing the stream gradient, though small scale dams. The maximum volume of runoff water that can be retained is not determined in the study. Constraints The constrains include the implementation of such measures in protected areas and the limitations that are for this reason necessary Favourable preconditions The necessary preconditions are the climate conditions and the hydrology of the area. Design contractual arrangement Arrangement type Responsibility Role Comments Name Design consultation activity Activity stage Key issues Name Comments Design land use change Land use change type Design authority Authority type Role Responsibility Name Comments Regional / sub-national water authority Determination of design details of the measure The Decentralised Administration of Epirus and Western Macedonia, Directorates General of Land Planning and Environmental Policy, Directorate of Environment, Land Planning of Western Macedonia, Department of Environment and Land Planning Lessons, risks, implications... Key lessons The retention measures are based on the principles of eliminating soil erosion though afforestion and other planting measures. Also the decrease of the stream gradient, though small scale dams has decreased stream flow velocity and sendiment retention. Thus, the risk of flash floods is minimised in the downstream area and the biodiversity of the area is increased. Water retention management can be implemented through improvement of the soil and changes in the stream flow. Success factor(s) Success factor type Success factor role Comments Attitude of decision makers main factor Financing Financing type Comments National funds Barrier Barrier type Barrier role Comments Lacking coordination between authorities main barrier The regional with the local authorities for the permissions etc Driver Driver type Driver role Comments Other main driver The improved mountainous hydrology of the area. Financing share Financing share type Share Comments Policy, general governance and design targets Policy description The specific interventions aim at slowing down the stream velocity with retaintion dams and reduction of stream gradient. Additionally the application aimed at reducing soil erosion through afforestation and planting in order to improve the soil properties and mitigate flood risk. Part of wider plan 0 Policy target Target purpose Runoff control Peak-flow reduction Erosion Control Improved Biodiversity Policy pressure Pressure directive Relevant pressure Policy area Policy area type Policy area focus Name Comments Policy impact Impact directive Relevant impact Policy wider plan Wider plan type Wider plan focus Name Comments Policy requirement directive Requirement directive Specification Socio-economic Direct benefits information The direct benefits include the reduction of the flood risk, the mitigation of soil erosion, the improvement of the micro-environment as well as the aesthetic restoration of the area. Ancillary benefits information Ancillary benefits include the increase of infiltration / percolation and recharge of aquifers; this water can be used for different purposes (e.g agriculture) as well as for ecosystem services. Also the aesthetic improvement of the area has positive societal impacts Costs investment information The measures have not been implemented yet in the area Costs operation maintenance The measures have not been implemented yet in the area Costs total information The measures have not been implemented yet in the area Ecosystem improved biodiversity 1 Information on Ecosystem improved biodiversity The measures are expected to have positive impact on the biodiversity of the area Information on Ecosystem provisioning services Not relevant for this application Ecosystem impact climate regulation No information available Information on Ecosystem impact climate regulation The micro-climate and micro-environment is expected to be positively affected by the implemented measures; however the degree of impact is not assessed Biophysical impacts Information on retained water The volume of retained water was increased due to the small scale dams as well as the improvement in the area vegitation after the afforestation/plantation Information on increased water storage The measures slowed down the stream flow and increased the retaining of water for longer period enabling the infiltration/percolation and recharge of aquifers. Information on runoff reduction The measures improved the runoff control as the velocity of water volume was reduced leading to decreasing the intensity and frequency of floods. Information on Water quality overall improvements Not relevant for this application Soil quality overall soil improvements Positive impact-SQ improvement Information on Soil quality overall soil improvements The measures have a direct impact on the overall soil quality as afforestation / plantation of the area succeeds in improving the soil properties leading to increased soil storage capacity. Soil erosion have reduced the soil capacity to store and retain water thus an improvement in the soil properties (e.g. soil moisture) can have a positive impact on the soil infiltration capacity. Full Context Pathway(aka Context) Default view Area(aka Level or Site) ALL