"food web structure" . "0"^^ . . . "Structuring effect of submerged macrophytes on trophic relationships and distribution of fish in deep lakes"@en . . . "By detailed comparisons of fish communities in deep lakes contrasted by absent or abundant macrophyte cover, the project shall generate detailed knowledge on the effects submerged macrophytes on fish community structure and interactions. This includes effects on habitat and trophic niche use by individuals of the same species in the contrasted lake, community structure and trophic relationships including ontogenetic aspects. Specific aims of the project: i) To describe, quantify and evaluate trophic relationships within omnivorous (percid-cyprinid) and piscivorous (pike-wels) community components in deep lakes with presence and absence of submerged macrophytes. ii) To describe, quantify and evaluate species specific differences in habitat and food niche, as well as fish distribution patterns in deep lakes with presence and absence of submerged macrophytes. iii) To describe and quantify spatiotemporal habitat use, activity patterns and consumption in the most important piscivorous fishes in the lakes (pike, wels and perch). iv) To describe and evaluate differences in aggregative behaviour of fish in deep lakes as related to complexity of littoral habitat provided by submerged macrophytes."@en . . . "Vliv submerzn\u00EDch makrofyt na trofick\u00E9 vazby a distribuci ryb v hlubok\u00FDch jezerech" . " hydroacoustics" . "Projekt si klade za c\u00EDl z\u00EDskat nov\u00E9 znalosti o vlivu submerzn\u00EDch makrofyt na strukturu ryb\u00EDch spole\u010Denstev a vz\u00E1jemn\u00E9 vztahy mezi jednotliv\u00FDmi jejich sou\u010D\u00E1stmi. To zahrnuje jak vliv na vyu\u017E\u00EDv\u00E1n\u00ED prostorov\u00E9 a potravn\u00ED niky jedinci jednotliv\u00FDch druh\u016F, tak vliv na strukturu spole\u010Denstev a trofick\u00FDch vazeb v\u010Detn\u011B souvisej\u00EDc\u00EDch ontogenetick\u00FDch aspekt\u016F. C\u00EDle bude dosa\u017Eeno porovn\u00E1n\u00EDm \u0161irok\u00E9ho spektra parametr\u016F ryb\u00EDch spole\u010Denstev dvou hlubok\u00FDch jezer li\u0161\u00EDc\u00EDch se p\u0159\u00EDtomnost\u00ED a absenc\u00ED rozvinut\u00E9ho spole\u010Denstva makrofyt. Konkr\u00E9tn\u00ED c\u00EDle projektu: i) Popsat, kvantifikovat a vyhodnotit trofick\u00E9 vazby v r\u00E1mci omnivorn\u00EDch (okounovit\u00E9-kaprovit\u00E9 ryby) a piscivorn\u00EDch (\u0161tika-sumec) slo\u017Eek spole\u010Denstva v hlubok\u00FDch jezerech s p\u0159\u00EDtomnost\u00ED a absenc\u00ED rozvinut\u00E9ho spole\u010Denstva makrofyt. ii) Popsat, kvantifikovat a vyhodnotit druhov\u011B specifick\u00E9 rozd\u00EDly v habitatov\u00FDch a trofick\u00FDch nik\u00E1ch v hlubok\u00FDch jezerech s p\u0159\u00EDtomnost\u00ED a absenc\u00ED rozvinut\u00E9ho spole\u010Denstva makrofyt. iii) Popsat a kvantifikovat \u010Dasoprostorov\u00E9 vyu\u017E\u00EDv\u00E1n\u00ED jednotliv\u00FDch habitat\u016F a vzorce aktivity u nejv\u00FDznamn\u011Bj\u0161\u00EDch piscivorn\u00EDch druh\u016F (\u0161tika, sumec a okoun). iv) Popsat a vyhodnotit rozd\u00EDly v hejnov\u00E9m chov\u00E1n\u00ED ryb v z\u00E1vislosti na m\u00ED\u0159e komplexnosti litor\u00E1ln\u00EDho habitatu dan\u00E9 v\u00FDskytem submerzn\u00EDch makrofyt." . " stable isotope analysis" . . . . . "2014-10-27+01:00"^^ . " diurnal horizontal and vertical migrations" . "http://www.isvav.cz/projectDetail.do?rowId=7F14316"^^ . "food web structure; trophic specialization; habitat use; diurnal horizontal and vertical migrations; aggregations; stable isotope analysis; hydroacoustics; telemetry"@en . . " habitat use" . "7F14316" . . . "2017-04-30+02:00"^^ . " aggregations" . " trophic specialization" . . "1"^^ . "2014-08-01+02:00"^^ . "0"^^ . "1"^^ . . . "0"^^ . "2015-05-28+02:00"^^ . .