Results 71 to 80 of about 3,111 (189)
Influence of exogenous urea on photosynthetic pigments, 14CO2 uptake, and urease activity in Elodea densa-environmental implications [PDF]
, 2013 This paper analyzes the effect of exogenous urea in increased concentration gradient (0, 100, 500 and 1,000 mg L-1) on photosynthetic pigments (measured spectrophotometrically), uptake of 14CO2 (using radioisotope), and urease activity (by measuring ...
Borisova, G. +4 more
core +1 more source
Egeria densa (Hydrocharitaceae) – nowy gatunek antropofita we florze Polski
Fragmenta Floristica et Geobotanica Polonica, 2019 This paper presents the first recorded occurrences of the South American neophyte Egeria densa in Poland, currently known from two locations in the southern part of the country in slow-flowing, shallow, eutrophic waters of lowland rivers – the Vistula River near Dąbrówka Morska, and its small tributary, Serafa River near Kraków.
Rafał Krawczyk, Maciej Gąbka
openaire +1 more source
Biosorption of BF-4B Reactive Red Dye by using Leaves of Macrophytes Eichhornia crassipes [PDF]
, 2013 The removal potential on BF-4B reactive red dye by Eichhornia crassipes dried leaves has been investigated. Furthermore, the influence of process parameters such as solution pH, agitation, and particle size on the dye adsorption efficiency was assessed ...
Alexander Dimitrov Kroumov +6 more
core
Avaliação da capacidade de remoção dos íons cádmio (ii) e zinco (ii) pela macrófita egeria densa
Revista Brasileira de Ciências Ambientais, 2013 Este trabalho avaliou a utilização da macrófita Egeria densa na remoção dos íons cádmio e zinco, em sistemas mono e bicomponente. Os experimentos foram realizados sob agitação constante, pH 4,5 e temperatura de 30 °C para a secagem do biossorvente e nos ...
Juliana M. T. de Abreu Pietrobelli +7 more
doaj
Removal of Copper Ions by Non-living Aquatic Macrophytes Egeria Densa [PDF]
Bioautomation, 2009 In this work, the removal potential of Cu2+ ions by non-living macrophytes Egeria densa has been studied. Adsorption kinetic and equilibrium tests were carried out in flasks under batch operations and controlled pH and temperature.
Aparecido Nivaldo Módenes +4 more
doaj
Planta Daninha, 2009 O objetivo deste trabalho foi identificar as plantas aquáticas e os níveis de infestação de cada espécie em Porto Primavera antes do enchimento final do reservatório. Foram avaliados todos os focos de vegetação aquática no reservatório (72 pontos), sendo
D Martins +4 more
doaj +1 more source
Brazilian Journal of Biology, 2017 This study evaluated the feeding preference of the invasive mollusk Melaniudes tuberculata between the aquatic macrophytes Egeria densa and Chara indica.
E. L. Medeiros, G. G. Henry-Silva
doaj +1 more source
Utilização da elódea (Egeria densa) na alimentação de suínos
Acta Scientiarum. Animal Sciences, 2009 The purpose of this study was to evaluate the performance livestock, carcass yield and economic viability of including Brazilian elodea (Egeria densa) in feed for pigs during the growing and finishing phases. We used 32 females, Dalland C-40 commercial line, with initial body weight of 23 ± 1.05 kg, distributed in a completely randomized design.
Wilson Moreira Dutra Júnior +5 more
openaire +2 more sources
Oregon Lake Watch, 2015 Annual Report [PDF]
, 2015 The Oregon Lake Watch (OLW) volunteer monitoring program completed its third year of operation during 2015 with a focus on early detection of aquatic invasive species (AIS) and water quality status and trend assessments for the better management of ...
Cimino, Samuel +2 more
core +1 more source
Description of a new genus and species of Eucoilinae (Hymenoptera: Cynipoidea: Figitidae) parasitoid of Ephydridae (Diptera) [PDF]
, 2019 Hydrelliaeucoila egeria (Hymenoptera: Cynipoidea: Figitidae), a new genus and species obtained from pupae of Hydrellia sp. (Diptera: Ephydridae) mining in Egeria densa Planchon (Hydrocharitaceae), is described.
Cabrera Walsh, G. +3 more
core +4 more sources