The response of the young of the year fish to river obstacles: Functional and numerical linkages between dams, weirs, fish habitat guilds and biotic integrity across large spatial scale

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00020711%3A_____%2F12%3A00003600" target="_blank" >RIV/00020711:_____/12:00003600 - isvavai.cz</a>

Výsledek na webu

<a href="http://www.journals.elsevier.com/ecological-indicators" target="_blank" >http://www.journals.elsevier.com/ecological-indicators</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.ecolind.2012.05.018" target="_blank" >10.1016/j.ecolind.2012.05.018</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The response of the young of the year fish to river obstacles: Functional and numerical linkages between dams, weirs, fish habitat guilds and biotic integrity across large spatial scale

Popis výsledku v původním jazyce

Obstacles affect fish community structure, which represents a fundamental component of the biological integrity. However, a quantitative relationship linking the response of fish communities to obstacles is lacking. We assessed fish from a 54 study sitesacross hydrological network. The fish community was expressed as the probability of guild dominance. We examined the indicative value and responsiveness of two indices of biological integrity (EFI, CZI). We analysed two types of obstacles for which numerical and distance descriptors were derived using GIS. All obstacles together were the most relevant predictor of fish community. The negative impact on fish increased with the increasing number of obstacles and the decreasing relative distance. Our results contribute an prerequisite to river restoration, identifying where in the hydrological networks ecological studies or restoration actions would produce the most effective results.

Název v anglickém jazyce

The response of the young of the year fish to river obstacles: Functional and numerical linkages between dams, weirs, fish habitat guilds and biotic integrity across large spatial scale

Popis výsledku anglicky

Obstacles affect fish community structure, which represents a fundamental component of the biological integrity. However, a quantitative relationship linking the response of fish communities to obstacles is lacking. We assessed fish from a 54 study sitesacross hydrological network. The fish community was expressed as the probability of guild dominance. We examined the indicative value and responsiveness of two indices of biological integrity (EFI, CZI). We analysed two types of obstacles for which numerical and distance descriptors were derived using GIS. All obstacles together were the most relevant predictor of fish community. The negative impact on fish increased with the increasing number of obstacles and the decreasing relative distance. Our results contribute an prerequisite to river restoration, identifying where in the hydrological networks ecological studies or restoration actions would produce the most effective results.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

EH - Ekologie – společenstva

OECD FORD obor

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Projekt

<a href="/cs/project/TD010045" target="_blank" >TD010045: Numerická a funkční analýza sektoru akvakultury, včetně rekreačního rybářství, zaměřená na zvýšení konkurenceschopnosti České republiky a zlepšení stavu vodních ekosystémů.</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2012

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Ecological Indicators

ISSN

1470-160X

e-ISSN

—

Svazek periodika

2012

Číslo periodika v rámci svazku

23

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

7

Strana od-do

634-640

Kód UT WoS článku

000307130300067

EID výsledku v databázi Scopus

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