scholarly journals Using the River Habitat Survey method in forecasting effects of river restoration

2014 ◽  
Vol 46 (2) ◽  
pp. 125-138 ◽  
Author(s):  
Marta Kiraga ◽  
Zbigniew Popek
Keyword(s):  
River Restoration ◽  
Evaluation Method ◽  
Ecological Status ◽  
Main Tool ◽  
Survey Method ◽  
Class Iii ◽  
Regulated Rivers ◽  
River Habitat ◽  
Before And After ◽  
River Habitat Survey

Abstract Using the River Habitat Survey method in forecasting effects of river restoration. Research presents usability of the River Habitat Survey (RHS) evaluation method in forecasting effects of the Zielawa River restoration, performed in selected section between 18 + 960 km and 19 + 460 km. The EU so-called Water Framework Directive signalizes necessity of achieving a good ecological status of European rivers in the immediate future. Accordingly, river restoration is the main tool for already technically regulated rivers’ quality upgrading. Present research contains a collation of four proposed restoration works variants and the ecological evaluation of chosen river reach before and after initiating restoration works in accordance to various variants, using the RHS method. The conclusion is fact, that in dependence of established variant it is possible to receive improvement of ecological class from present Class V to Class IV (variants 1 and 2) or Class III (variants 3 and 4)

scholarly journals Improvement in physical river habitat quality in response to river restoration measures

Geografie ◽  
2016 ◽  
Vol 121 (1) ◽  
pp. 54-78
Author(s):  
Kateřina Kujanová ◽  
Milada Matoušková
Keyword(s):  
Habitat Quality ◽  
River Restoration ◽  
Field Survey ◽  
Reference Conditions ◽  
Ecological Status ◽  
River Habitat ◽  
Restoration Measures ◽  
Hydromorphological Quality

The main goal of this paper is to verify the hypothesis that application of appropriate restoration measures can lead to an improvement in river habitat quality and to achieve good hydromorphological conditions within the ecological status under the Water Framework Directive 2000/60/ES. The study includes an analysis of river network modifications founded on comparing historical and present-day maps, a determination of regional hydromorphological reference conditions based on a field survey and measurements, an assessment of hydromorphological quality of the studied water body and a proposal of appropriate restoration measures. The effects on improvement in hydromorphological status were predicted on the basis of a simulation of hydromorphological conditions after the application of proposed restoration measures. Overall, at least a good hydromorphological status would be achieved. The study proved that it is essential to carry out a hydromorphological survey including a determination of reference conditions as it provides some outputs necessary for a proposal and application of efficient restoration.

scholarly journals Decision Support Tools for River Restoration: The Implementation of the “River Habitat Survey” Methodology on the River Selho (Guimarães Municipality, Northwest Portugal)

Hydrology ◽  
2021 ◽  
Vol 8 (2) ◽  
pp. 69
Author(s):  
Francisco Costa ◽  
António Vieira
Keyword(s):  
River Restoration ◽  
Survey Methodology ◽  
Riparian Zone ◽  
Point Of View ◽  
River Habitat ◽  
Support Tools ◽  
River Habitat Survey ◽  
Physical Features ◽  
Hydromorphological Quality

The river habitat survey (RHS) system is a method used to assess the physical features and quality of rivers, which was developed to assist in the conservation and recovery of riverside habitats. The RHS takes into account the need to characterize areas of intervention from a hydromorphological point of view, in order to introduce corrective measures aimed at restoring degraded sections and habitats, and increasing local biodiversity. In this paper, we present the results obtained from the application of the RHS methodology to the River Selho, in the municipality of Guimarães (Portugal). The transects that we defined were strongly influenced by anthropic actions that have modified the riverside habitats, the artificialization of the river channel, and the urban occupation of the banks. Taking into account the results, we can point out the main problems that currently affect the hydromorphological quality of the transects analyzed in the River Selho, as well as identify the originating factors: the excessive silting of the watercourse; morphometric changes, with an emphasis on the narrowing and modification of the channel and the banks; as well as the massive destruction of the riparian zone. This study shows that the application of the RHS methodology is a useful tool for the management of degraded riverside areas.

Stream habitat assessment of Dong River, China, using River Habitat Survey method

2014 ◽  
Vol 34 (6) ◽  
Author(s):  
王强 WANG Qiang ◽  
袁兴中 YUAN Xingzhong ◽  
刘红 LIU Hong ◽  
庞旭 PANG Xu ◽  
王志坚 WANG Zhijian ◽  
...  
Keyword(s):  
Stream Habitat ◽  
Survey Method ◽  
Habitat Assessment ◽  
River Habitat ◽  
River Habitat Survey

scholarly journals Hydromorphological and physicochemical conditions of the Parsęta River

2018 ◽  
Vol 15 (1) ◽  
pp. 53-62
Author(s):  
Józef Szpikowski ◽  
Grażyna Szpikowska
Keyword(s):  
Good Condition ◽  
River Valley ◽  
Survey Method ◽  
Anthropogenic Pressure ◽  
River Habitat ◽  
Quality Of Waters ◽  
The Individual ◽  
River Habitat Survey ◽  
High Degree

Abstract Rivers are hydromorphologically assessed in line with the Water Framework Directive. In order to assess the quality of the Parsęta River environment, the River Habitat Survey method was applied. The research studies, conducted in June 2016, provided an overview of hydromorphological issues, and also covered measurements and laboratory analyses on the quality of its waters. There were 24 measuring sections selected along the whole river. The selection of these sections took into account the representativeness of genetically various types of river valley, its size and discharge, and the variability of anthropogenic pressure. The assessment showed that the Parsęta River varies in natural quality (its HQA index ranged from 17 to 61) and that the modification of its valley is variable but generally low (its HMS index ranged from 0 to 33). Seventy-nine percent of the analysed sections were classified to the second (II) and third (III) hydromorphological classes, 8% to the first (I), and 13% to the fourth (IV). The central section of the Parsęta River has the highest degree of naturalness and the lowest degree of transformation. The river valley sections of kettle-hole origin are more transformed than those of fluvial origin. The quality of the Parsęta River waters assessed on the grounds of their physicochemical parameters indicates that the river is in good condition. The individual river water parameters are most often within the first (I) and second (II) classes. Any instances of the quality of waters being below the “good” level are due to phosphate concentrations exceeding the second (II) class and are contained within a 15-km stretch of the river below Białogard. A river section with a high degree of hydromorphological naturalness has the worst quality of waters.

scholarly journals Towards improved instrumentation for assessing river-groundwater interactions in a restored river corridor

2011 ◽  
Vol 8 (2) ◽  
pp. 2503-2553 ◽  
Author(s):  
P. Schneider ◽  
T. Vogt ◽  
M. Schirmer ◽  
J. A. Doetsch ◽  
N. Linde ◽  
...  
Keyword(s):  
Water Quality ◽  
River Restoration ◽  
Ecological Status ◽  
Monitoring Network ◽  
Test Site ◽  
Quality Parameters ◽  
Physical Parameters ◽  
Bank Filtration ◽  
Regulated Rivers ◽  
High Resolution Data

Abstract. River restoration projects have been launched over the last two decades to improve the ecological status and water quality of regulated rivers. As most restored rivers are not monitored at all, it is difficult to predict consequences of restoration projects or analyze why restorations fail or are successful. It is thus necessary to implement efficient field assessment strategies, for example by employing sensor networks that continuously measure physical parameters at high spatial and temporal resolution. This paper focuses on the design and implementation of an instrumentation strategy for monitoring changes in bank filtration, hydrological connectivity, groundwater travel time and quality due to river restoration. We specifically designed and instrumented a network of monitoring wells at the Thur River (NE Switzerland), which is partly restored and mainly channelized since more than 100 years. Our results show that bank filtration – especially in a restored section with alternating riverbed morphology – is variable in time and space. Consequently, our monitoring network sensing physical and sampling chemical water quality parameters was adapted in response to that variability. Although not available at our test site, we consider long-term measurements – ideally initialized before and continued after restoration – as a fundamental step, towards predicting consequences of river restoration for groundwater quality. As a result, process-based models could be adapted and evaluated using these types of high-resolution data sets.

scholarly journals A riverside tale: Assessment of altered habitat effects on macrophyte assemblage on the river Tamis, Serbia

2010 ◽  
Vol 62 (4) ◽  
pp. 1163-1174 ◽  
Author(s):  
Snezana Radulovic ◽  
Dusanka Laketic ◽  
Dragana Vukov
Keyword(s):  
Physical Environment ◽  
Hot Spot ◽  
Physical Characteristics ◽  
Survey Method ◽  
River Habitat ◽  
Spot Check ◽  
Environment Variables ◽  
River Habitat Survey ◽  
Diverse Habitat

The aim of this study was to recognize the relationships between the physical characteristics of river reaches and the supported macrophyte assemblage, using the newly developed RHS (River Habitat Survey) method and dataset, and to test the following specific hypotheses: (i) whether there are correlations between the abundance of macrophyte groups and the physical environment variables, and (ii) whether these relationships vary between macrophyte groups with different morphology types. The Tamis river possesses a highly diverse habitat potential, while high values of HMS capture obviously to significantly modified habitat classes, significantly distinguishing the R1 and L1 spot-check as a hot spot along the area studied.

scholarly journals THE APPLICATION OF THE RIVER HABITAT SURVEY METHOD TO THE ASSESSMENT OF THE QUALITY OF THE RIVER WARDYNKA (NORTH-WESTERN POLAND)

2013 ◽  
Vol 35 ◽  
pp. 85-94
Author(s):  
Damian Spieczyński ◽  
Małgorzata Raczyńska ◽  
Anna Grzeszczyk-Kowalska ◽  
Mariusz Raczyński ◽  
Małgorzata Zimnicka-Pluskota
Keyword(s):  
Survey Method ◽  
River Habitat ◽  
River Habitat Survey ◽  
North Western

scholarly journals Towards improved instrumentation for assessing river-groundwater interactions in a restored river corridor

2011 ◽  
Vol 15 (8) ◽  
pp. 2531-2549 ◽  
Author(s):  
P. Schneider ◽  
T. Vogt ◽  
M. Schirmer ◽  
J. Doetsch ◽  
N. Linde ◽  
...  
Keyword(s):  
River Restoration ◽  
Ecological Status ◽  
Monitoring Network ◽  
Test Site ◽  
Physical Parameters ◽  
Data Sets ◽  
Bank Filtration ◽  
Regulated Rivers ◽  
High Resolution Data ◽  
Monitoring Wells

Abstract. River restoration projects have been launched over the last two decades to improve the ecological status and water quality of regulated rivers. As most restored rivers are not monitored at all, it is difficult to predict consequences of restoration projects or analyze why restorations fail or are successful. It is thus necessary to implement efficient field assessment strategies, for example by employing sensor networks that continuously measure physical parameters at high spatial and temporal resolution. This paper focuses on the design and implementation of an instrumentation strategy for monitoring changes in bank filtration, hydrological connectivity, groundwater travel time and quality due to river restoration. We specifically designed and instrumented a network of monitoring wells at the Thur River (NE Switzerland), which is partly restored and has been mainly channelized for more than 100 years. Our results show that bank filtration – especially in a restored section with alternating riverbed morphology – is variable in time and space. Consequently, our monitoring network has been adapted in response to that variability. Although not available at our test site, we consider long-term measurements – ideally initiated before and continued after restoration – as a fundamental step towards predicting consequences of river restoration for groundwater quality. As a result, process-based models could be adapted and evaluated using these types of high-resolution data sets.

Pengaruh Motivasi Intrinsik Dan Peraturan Pesantren Terhadap Kepuasan Santri Pondok Pesantren Manahijussadat Lebak, Banten

2020 ◽  
Vol 19 (2) ◽  
pp. 319-330
Author(s):  
Muhamad Nasrun Saragih ◽  
EE Junaedi Sastradiharja ◽  
Saifuddin Zuhri
Keyword(s):  
Intrinsic Motivation ◽  
Student Satisfaction ◽  
Hypothesis Test ◽  
Boarding School ◽  
Survey Method ◽  
Class Iii ◽  
Analysis Techniques ◽  
Analysis Technique ◽  
Valid Data ◽  
Correlational Approach

This study aims to test and determine whether empirically through valid data, intrinsic motivation and pesantren regulations have an effect on the satisfaction of students both partially and simultaneously. The method used by researchers is a survey method with a correlational approach to the santri of Manahijusadat Islamic Boarding School in Lebak, Banten. This type of research is quantitative, therefore the data analysis technique used is statistical analysis techniques, namely descriptive statistical techniques and inferential statistics. As for the means of collecting data through a questionnaire to 100 respondents from class III MTs Manahijussadat Islamic Boarding School, interviews and documentation. The results of the research hypothesis test showed that there was a positive and significant influence of intrinsic motivation on student satisfaction with a percentage of 17.8%. Second, there is a positive and significant effect of Islamic boarding school regulations on the satisfaction of students as indicated by the percentage of influence of 25.5%. Third, there is a joint positive and significant effect of intrinsic motivation and pesantren regulations on student satisfaction by 32.6%

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