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New indices for assessment of hydromorphological alteration of rivers and their evaluation with benthic invertebrate communities; Alpine case studyTavzes, Branka ; Urbanič, Gorazd1. According to the EU Water Framework Directive, methodologies have to be developed for evaluating the ecological status of every water body. The aim ofthis study was to develop a methodology (SI_HM ... method) for assessing the hydromorphological status and to test the developed method with benthic invertebrate community characteristics. 2. In Slovenia 26 different national river types have been identified in the hydroecoregion Alps. Data from 126 sites belonging to 22 river types, affected by a range of hydromorphological alteration, have been analysed. 3. Inventory of the hydromorphological features was made according to the River Habitat Survey (RHS), but for the assessment of the hydromorphological status, modified SI_HM variables were developed. Some of them (SI_HM variables) were based on principles developed in the RHS methodology and were only slightly modified in order to emphasize the characteristics of local river features, whereas others, took into consideration features not included in the RHS.4. For the assessment of morphological status River habitat quality index (RHQ) and River habitat modification index (RHM) were developed. For hydrological changes the presenceof dams and distances from them were considered and for assessment of hydrological statusa Hydrological modification index (HLM) was developed.5. Multimetric indices were developed out of these hydromorphological indices forassessment of Hydromorphological modification index (HMM) and Hydromorphological quality andmodification index (HQM). 6. In order to maximise the number of comparable sites, sites from different national streamtypes were grouped together and tested using one-way ANOVA. According tothe results ofthe test, the selected river types were grouped in two different hydromorphological types. (Abstract truncated at 2000 characters)Vir: Review of hydrobiology : hidrobiyolojik araştirmalar dergisi. - ISSN 1308-4119 (Letn. 2, 2009, str. 133-161)Vrsta gradiva - članek, sestavni delLeto - 2009Jezik - angleškiCOBISS.SI-ID - 26700505
Avtor
Tavzes, Branka |
Urbanič, Gorazd
Teme
Fresh Water |
Invertebrates |
Ecosystem |
Analysis Of Variance |
Sladka voda |
Nevretenčarji |
Ekosistem |
Analiza variance |
Alpe
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vir: Review of hydrobiology : hidrobiyolojik araştirmalar dergisi. - ISSN 1308-4119 (Letn. 2, 2009, str. 133-161)
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Tavzes, Branka | 22471 |
Urbanič, Gorazd | 22766 |
Vir: Osebne bibliografije
in: SICRIS
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