Fish refuge under hydropeaking conditions - Revision history

Bendikhansen: Text replacement - "category:Measures" to "category:Solutions"

2020-10-26T10:03:05Z

2020-10-09T14:33:54Z

2020-10-09T14:33:29Z

During implementation

2020-10-09T14:33:13Z

During implementation

2020-10-09T14:32:30Z

During implementation

2020-10-09T14:31:59Z

During implementation

2020-10-09T14:31:49Z

During implementation

2020-10-09T14:31:30Z

During implementation

2020-10-09T14:31:09Z

During implementation

2020-10-09T14:30:37Z

During implementation

← Older revision		Revision as of 10:03, 26 October 2020
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−	[[category:Habitat measures]][[category:~~Measures~~]] [[Category:developed in FIThydro]]	+	[[category:Habitat measures]][[category:Solutions]] [[Category:developed in FIThydro]]

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 These design criteria can be generalised to streams affected by hydropeaking as long as they are adapted to the ecological requirements of the fish community and the hydraulic conditions of the affected stream.
-=During operation==
+==During operation==
 Not applicable

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 | rowspan="2" style="text-align:center; width:100px" | Lateral refuges
 |style="text-align:center;"| Length, angle
-|style="width:400px"|Opening angle:<br />-Same order of magnitude as the fish body length to favor group behavior, guide flow, prevent clogging and create or maintain the flow dynamics of the pool-riffle (sediment deposition-transport) systems while avoiding bank erosion.<br />-Excessively wide angles, in relation to the river bank, are discouraged
+|style="width:200px"|Opening angle:<br />-Same order of magnitude as the fish body length to favor group behavior, guide flow, prevent clogging and create or maintain the flow dynamics of the pool-riffle (sediment deposition-transport) systems while avoiding bank erosion.<br />-Excessively wide angles, in relation to the river bank, are discouraged
 |style="width:150px" |Santos et al., 2014; <br />Ribi et al., 2014; <br />Carré et   al., 2007; <br />Pagliara et al., 2015
 |-

@@ Line 38: / Line 38: @@
 |-
 | rowspan="2" style="text-align:center; width:100px" | Lateral refuges
-| Length, angle
+|style="text-align:center;"| Length, angle
 |style="width:400px"|Opening angle:<br />-Same order of magnitude as the fish body length to favor group behavior, guide flow, prevent clogging and create or maintain the flow dynamics of the pool-riffle (sediment deposition-transport) systems while avoiding bank erosion.<br />-Excessively wide angles, in relation to the river bank, are discouraged
 |style="width:150px" |Santos et al., 2014; <br />Ribi et al., 2014; <br />Carré et   al., 2007; <br />Pagliara et al., 2015
@@ Line 47: / Line 47: @@
 |-
 | rowspan="2" style="text-align:center;" | L-structures
-| Water level
+|style="text-align:center;"| Water level
 | Guarantee that these structures are permanently submerged to assure effective use and durability.
 | USDA, 2007
 |-
-| Overhead cover
+|style="text-align:center;"| Overhead cover
 | Consider season and ontogeny: L. bocagei seeks out covered areas more in autumn in comparison to the warmest spring and <br />summer seasons, whereas microhabitat use depends on size class.
 | Boavida et al., 2015; <br />Santos et al., 2017

@@ Line 42: / Line 42: @@
 |style="width:150px" |Santos et al., 2014; <br />Ribi et al., 2014; <br />Carré et   al., 2007; <br />Pagliara et al., 2015
 |-
-| style="width:100px"|Water level
+| style="text-align:center;width:100px"|Water level
 | The downstream area of the deflectors (refuge area) should avoid potential stranding zones, or assure a minimum water depth <br />of 0.5 m, especially during down-ramping.
 | Almeida et al., 2017; <br />Ribi et al., 2014

@@ Line 37: / Line 37: @@
 ! Reference
 |-
-| rowspan="2" style="text-align:center;" | Lateral refuges
+| rowspan="2" style="text-align:center; width:150px" | Lateral refuges
 | Length, angle
 |style="width:400px"|Opening angle:<br />-Same order of magnitude as the fish body length to favor group behavior, guide flow, prevent clogging and create or maintain the flow dynamics of the pool-riffle (sediment deposition-transport) systems while avoiding bank erosion.<br />-Excessively wide angles, in relation to the river bank, are discouraged