Difference between revisions of "Construct semi-natural/articificial wetlands or aquatic habitats"
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==General description == | ==General description == | ||
| − | + | [[File:Large semi-natural wetland at the Danube in Austria.png|350px|thumbnail|Large semi-natural wetland at the Danube in Austria (source : BOKU, IHG)]] | |
| + | Rehabilitation techniques in the floodplain include the construction of semi-natural or artificial wetlands or the creation of new floodplain ponds or backwaters. Floodplain aquatic habitats include numerous types of ponds, lakes, and depressions. These areas provide valuable overwintering habitat for fishes that prefer lentic habitats (Roni et al. 2005). | ||
==Applicability == | ==Applicability == | ||
| − | ==Expected effect of measure on (including literature citations): == | + | Off-channel ponds can be created through several excavation or construction methods including excavation or damming of ponds or wetland. New backwaters and off-channel ponds in the flooplain create spawning and rearing habitat for fish. These artifical habitats have the risk to fail because of avulsion, inadequate prey resources, cover, and water quality. It is important to ensure that these constructed habitats are connected to the river as least seasonally, but preferably consistently throughout the year (Roni et al. 2005). The successful conversion of gravel pits, mill ponds, and other constructed floodplain lakes depends on several factors including depth, morphology and cover (Norman 1998). |
| − | + | ||
| − | + | ==Expected effect of measure on (including literature citations)== | |
| − | + | {|border="1" style="border-collapse:collapse" | |
| + | | align="center" style="background:#f0f0f0;"|'''Category''' | ||
| + | | align="center" style="background:#f0f0f0;"|'''Description''' | ||
| + | | align="center" style="background:#f0f0f0;"|'''Source (citation)''' | ||
| + | |- | ||
| + | | Hydromorphology||Higher diversity of habitats and substrates than in the main channel||Habersack and Nachtnebel 1995 | ||
| + | |- | ||
| + | | Macrophytes|||| | ||
| + | |- | ||
| + | | Macroinvertebrats||Higher diversity and density of macroinvertebrates than in the main channel||Habersack and Nachtnebel 1995 | ||
| + | |- | ||
| + | | Fish||Higher fish densities than in the main channel||Habersack and Nachtnebel 1995 | ||
| + | |} | ||
| + | |||
==Temporal and spatial response == | ==Temporal and spatial response == | ||
| + | Not available. | ||
==Pressures that can be addressed by this measure == | ==Pressures that can be addressed by this measure == | ||
<Forecasterlink type="getPressuresForMeasures" code="M63" /> | <Forecasterlink type="getPressuresForMeasures" code="M63" /> | ||
| − | ==Cost-efficiency == | + | ==Cost-efficiency== |
| + | Not available. | ||
==Case studies where this measure has been applied == | ==Case studies where this measure has been applied == | ||
<Forecasterlink type="getProjectsForMeasures" code="M63" /> | <Forecasterlink type="getProjectsForMeasures" code="M63" /> | ||
==Useful references == | ==Useful references == | ||
| + | *Habersack, H., and H. P. Nachtnebel (1995). Short-term effects of local river restoration on morphology, flow field, substrate and biota. Regulated Rivers Research and Management, 10, 291–301. | ||
| + | *Norman, D.K. (1998). Reclamation of flood-plain sand and gravel pits as off-channel salmon habitat. Washington Geology, 26, 21-28 | ||
| + | *Roni, P., K. Hanson, T. Beechie, G. Pess, M. Pollock, and D. M. Bartley (2005). Habitat rehabilitation for inland fisheries. Global review of effectiveness and guidance for rehabilitation of freshwater ecosystems. FAO Fisheries Technical Paper, 484. | ||
| + | |||
==Other relevant information == | ==Other relevant information == | ||
[[Category:Measures]][[Category:08. Floodplains/off-channel/lateral connectivity habitats improvement]] | [[Category:Measures]][[Category:08. Floodplains/off-channel/lateral connectivity habitats improvement]] | ||
Latest revision as of 11:37, 7 January 2019
Contents
- 1 General description
- 2 Applicability
- 3 Expected effect of measure on (including literature citations)
- 4 Temporal and spatial response
- 5 Pressures that can be addressed by this measure
- 6 Cost-efficiency
- 7 Case studies where this measure has been applied
- 8 Useful references
- 9 Other relevant information
General description
Rehabilitation techniques in the floodplain include the construction of semi-natural or artificial wetlands or the creation of new floodplain ponds or backwaters. Floodplain aquatic habitats include numerous types of ponds, lakes, and depressions. These areas provide valuable overwintering habitat for fishes that prefer lentic habitats (Roni et al. 2005).
Applicability
Off-channel ponds can be created through several excavation or construction methods including excavation or damming of ponds or wetland. New backwaters and off-channel ponds in the flooplain create spawning and rearing habitat for fish. These artifical habitats have the risk to fail because of avulsion, inadequate prey resources, cover, and water quality. It is important to ensure that these constructed habitats are connected to the river as least seasonally, but preferably consistently throughout the year (Roni et al. 2005). The successful conversion of gravel pits, mill ponds, and other constructed floodplain lakes depends on several factors including depth, morphology and cover (Norman 1998).
Expected effect of measure on (including literature citations)
| Category | Description | Source (citation) |
| Hydromorphology | Higher diversity of habitats and substrates than in the main channel | Habersack and Nachtnebel 1995 |
| Macrophytes | ||
| Macroinvertebrats | Higher diversity and density of macroinvertebrates than in the main channel | Habersack and Nachtnebel 1995 |
| Fish | Higher fish densities than in the main channel | Habersack and Nachtnebel 1995 |
Temporal and spatial response
Not available.
Pressures that can be addressed by this measure
Cost-efficiency
Not available.
Case studies where this measure has been applied
- Charlottenburg artificial bay
- Asseltse Plassen - Bank erosion
- Chícamo Life project. Conservation of Aphanius iberus´ genetics stocks ( Murcia ).
- Zújar.
- Lek bij Everdingen - Groyne shields
- Millingerwaard - Floodplain rehabilitation
- Meers - Floodplain lowering
- Arga. Mejora Ambiental del meandro del Plantío
- Klebach - Side channel
- Dommel Eindhoven
- Tordera - Restoration of a secondary channel of the Tordera River
- Aragon. Restauration of riparian zone. Stage I and II
- Aragon. Creation and restoration of a riparian zone
- Töss
- River Quaggy, Chinbrook Meadows
- Blenheim Palace Project
- River Roding at Ray Lodge Park
- River Brent at Tokyngton Park
- River Skerne EU-LIFE project
- Piles - Creation a wetland
- Beneden-Leeuwen - Side channel
- Vallacuera ravine. Removal of a dyke.
- Segre - Improvement of aquatic habitat of Segre River at Alòs de Balaguer
- Bakenhof - Dyke relocation
- Hondsbroeksche Pleij – Restoring former floodplains (INTERREG Sustainable Development of Floodplains)
- Bemmelse Waard – Restoring former floodplains (INTERREG Sustainable Development of Floodplains)
- Blashford - Demonstrating strategic restoration and management STREAM (LIFE05 NAT/UK/000143)
- Niederwerrieser Weg - Optimisation of the pSCI “Lippe floodplain between Hamm and Hangfort” (LIFE05/NAT/D/000057)
- Oberwerries - Optimisation of the pSCI “Lippe floodplain between Hamm and Hangfort” (LIFE05/NAT/D/000057)
- Ahlen-Dolberg - Optimisation of the pSCI “Lippe floodplain between Hamm and Hangfort” (LIFE05/NAT/D/000057)
- Soest - Optimisation of the pSCI “Lippe floodplain between Hamm and Hangfort” (LIFE05/NAT/D/000057)
- Karlsruhe – Living Rhine floodplain near Karlsruhe (LIFE04 NAT/DE/000025)
- IJssel
- River Rhine - IJsseluiterwaarden Olst
- River Cole EU-LIFE
- Rhine - Meinerswijk
- Rhine - Polder Altenheim
- Drava - River Widening Amlach/St. Peter
- Drava - River Widening Obergottesfeld
- Drava - River Widening Rosenheim
- Meuse - Overdiepse Polder
- Donau - Rührsdorf-Rossatz (LIFE03 NAT/A/000009)
- Donau - Aggsbach (LIFE03 NAT/A/000009)
- Rhine - Emmericher Ward (LIFE10 NAT/DE/000010)
- Lower Traun
Useful references
- Habersack, H., and H. P. Nachtnebel (1995). Short-term effects of local river restoration on morphology, flow field, substrate and biota. Regulated Rivers Research and Management, 10, 291–301.
- Norman, D.K. (1998). Reclamation of flood-plain sand and gravel pits as off-channel salmon habitat. Washington Geology, 26, 21-28
- Roni, P., K. Hanson, T. Beechie, G. Pess, M. Pollock, and D. M. Bartley (2005). Habitat rehabilitation for inland fisheries. Global review of effectiveness and guidance for rehabilitation of freshwater ecosystems. FAO Fisheries Technical Paper, 484.
