Detailed Information on Publication Record

BRABEC, Karel, Klára KUBOŠOVÁ, Jiří JARKOVSKÝ, Ondřej HÁJEK, Pavel BARTUŠEK and Lukáš KOHÚT. Natural and stressor drivers of invertebrate communities interacting in longitudinal dimension of stream ecosystems: from pilot studies to regional patterns. 2010.

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Basic information
Original name	Natural and stressor drivers of invertebrate communities interacting in longitudinal dimension of stream ecosystems: from pilot studies to regional patterns
Authors	BRABEC, Karel, Klára KUBOŠOVÁ, Jiří JARKOVSKÝ, Ondřej HÁJEK, Pavel BARTUŠEK and Lukáš KOHÚT.
Edition	2010.

Other information
Type of outcome	Conference abstract
Confidentiality degree	is not subject to a state or trade secret
WWW	URL
Organization unit	Faculty of Science
Changed by	Changed by: prof. RNDr. Luděk Bláha, Ph.D., učo 15473. Changed: 12/12/2011 14:44.

Abstract
Interacting effects of stream zonation, landuse, bank and floodplain characteristics on structure of macroinvertebrate communities complicate tracking of biotic response to environmental changes. Pilot studies were concentrated to specific types of streams, predominant anthopogenic impacts or certain geographical area. Advantage of such studies were detailed and standardized identification of biota, wider spectrum of measured parameters. Statistical analyses of complex data allowed to indentify most relevant biological indicators and arrange them in assessment systems. Individual studies were focused on effects of organic pollution, eutrophication, morphological degradation and river continuum disruption. Structure and trait-based parameters of macroinvertebrate communities were linked to stressor intensity, modified thermal regime and complex longitudinal zonation of streams and rivers. Presented study aimed to upscale of pilot studies results to larger dataset collected within monitoring programmes in the Czech Republic. Cold stenothermy preference, temperature optimum, zonation score, feeding strategies, sensitivity scores, distribution of individual taxa, taxa richness and proportion of taxonomic groups were examples of macroinvertebrate characteristics responding to studied environmental gradients. Upscaling may be associated with new calibration of tresholds and redefinition of stream types.

Abstract

Interacting effects of stream zonation, landuse, bank and floodplain characteristics on structure of macroinvertebrate communities complicate tracking of biotic response to environmental changes. Pilot studies were concentrated to specific types of streams, predominant anthopogenic impacts or certain geographical area. Advantage of such studies were detailed and standardized identification of biota, wider spectrum of measured parameters. Statistical analyses of complex data allowed to indentify most relevant biological indicators and arrange them in assessment systems. Individual studies were focused on effects of organic pollution, eutrophication, morphological degradation and river continuum disruption. Structure and trait-based parameters of macroinvertebrate communities were linked to stressor intensity, modified thermal regime and complex longitudinal zonation of streams and rivers. Presented study aimed to upscale of pilot studies results to larger dataset collected within monitoring programmes in the Czech Republic. Cold stenothermy preference, temperature optimum, zonation score, feeding strategies, sensitivity scores, distribution of individual taxa, taxa richness and proportion of taxonomic groups were examples of macroinvertebrate characteristics responding to studied environmental gradients. Upscaling may be associated with new calibration of tresholds and redefinition of stream types.

Links
ED0001/01/01, research and development project	Name: CETOCOEN
MSM0021622412, plan (intention)	Name: Interakce mezi chemickými látkami, prostředím a biologickými systémy a jejich důsledky na globální, regionální a lokální úrovni (INCHEMBIOL) (Acronym: INCHEMBIOL)
MSM0021622412, plan (intention)	Investor: Ministry of Education, Youth and Sports of the CR, Interactions among the chemicals, environment and biological systems and their consequences on the global, regional and local scales (INCHEMBIOL)