Results 31 to 40 of about 297 (57)

Fitoperifiton de un lago somero y su relación con los estados de biequilibrio [PDF]

open access: yes, 2009
The role of communities associated to a substrate as fundamental components of an aquatic system has been recognized by many authors. Although periphyton has been considered of great importance in shallow lakes, its inclusion in different ecological ...
Cano, María Gabriela
core   +1 more source

Estudio comparativo del estado ecológico de los ríos de la cuenca del Ebro mediante macroinvertebrados y diatomeas [PDF]

open access: yes, 2007
Se ha estudiado durante el verano de 2002 el estado ecológico en 87 estaciones de muestreo repartidas a lo largo de la cuenca del Ebro (España) mediante diferentes índices bóticos de macroinvertebrados y diatomeas.
Cambra, Jaume   +5 more
core  

A moha propagulum bank és a felszíni mohavegetáció összehasonlítása az őrségi erdőkben [PDF]

open access: yes, 2013
Kutatásom során különböző faállományú őrségi erdők moha propagulum bankját vizsgáltam, és vetettem össze ugyanazon területek felszíni mohavegetációjával.
Kövendi-Jakó, Anna
core  

Predation avoidance in shallow lakes [PDF]

open access: yes, 2016
Istraživanje zooplanktona provedeno je tijekom ljetnog razdoblja 2012. godine u tri vodena tijela različitog postanka, morfometrije, stupnja trofije, prokrovnosti i sastava makrofita: na rukavcu rijeke Sutle, mrtvaji Škrčev kut i šljunčari Zajarki ...
Duić Sertić, Maja
core   +1 more source

Caracterización de las condiciones de base en arroyos pampeanos poco disturbados en base a la estructura y el funcionamiento de las comunidades algales a lo largo de un gradiente latitudinal [PDF]

open access: yes
Los ríos y arroyos son ecosistemas de importancia vital ya que intervienen en el ciclo del agua, de los nutrientes, y en los intercambios de materia y energía con el medio terrestre circundante.
Gorbarán, Rocío Soledad
core   +1 more source

Biotic impact on zooplankton distribution in the eutrophic lake [PDF]

open access: yes, 2015
Istraživanje zooplanktona u mrtvaji Škrčev kut je provedeno od svibnja do listopada 2013. godine. Ciljevi ovog rada bili su utvrditi: (i) raznolikost, brojnost, veličinsku i trofičku strukturu zooplanktona u pelagijalu i litoralu; (ii) zooplanktonske ...
Pestić, Ana
core   +1 more source

Kamus Budidaya Ikan [PDF]

open access: yes, 1994
vi+126hlm ...
Angka, Sri Lestari   +3 more
core  

Capartogramma crucicula (Grunow ex Cleve) Ross, first record of the genus for Colombia [PDF]

open access: yes, 2013
Objective. To report for the first time the occurrence in Colombia of the genus Capartogramma and the species Capartogramma crucicula (Grunow ex Cleve) Ross. Materials and methods.
Aguirre, Néstor   +3 more
core   +2 more sources

Metabolismo de productores de un arroyo pampeano [PDF]

open access: yes, 2008
Low current velocities, high nutrient levels, the lack of riparian forest vegetation, and the development of dense and rich macrophyte communities characterize many Pampean streams.
Giorgi, Adonis David Nazareno   +1 more
core  

Influence of the catchment area and management of the lake to the eutrophic and succession processes in the lake ecosystem - the case of fish ponds in the Draga Valley in the vicinity of Ig [PDF]

open access: yes, 2008
Cycle of matter in lake ecosystems and the influence of loading with nutritional substances on eutrophic process are presented in the Graduation Thesis; abiotic factors are discussed, the role of planktonic and macrophyte vegetations and interactions ...
Gradišar, Boris
core  

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