Results 21 to 30 of about 46,939 (294)

Repérer les macrophytes depuis le ciel ou sous les eaux, quel appui pour les gestionnaires ?

open access: yesSciences, Eaux & Territoires, 2014
Que ce soit pour la connaissance ou dans un objectif de gestion, l'étude de la distribution des macrophytes est indispensable. Historiquement tributaire des seules prospections de terrain, l'acquisition de ces données peut aujourd'hui s'appuyer sur de ...
B. BOTTNER, C. NOËL
doaj   +1 more source

An Analysis of the Reaction of Frogbit (Hydrocharis morsus-ranae L.) to Cadmium Contamination with a View to Its Use in the Phytoremediation of Water Bodies

open access: yesApplied Sciences, 2023
Macrophytes play an important role in assessing the condition of aquatic ecosystems. The aim of the study was to assess the effectiveness of cadmium uptake by frogbit (Hydrocharis morsus-ranae) for the phytoremediation of aquatic ecosystems.
Małgorzata Gałczyńska   +2 more
doaj   +1 more source

Socio-ecological impacts of water hyacinth, Eichhornia crassipes (MART.) in Lake Tana, Gulf of Gorgora, Ethiopia

open access: yesJournal of Applied Sciences and Environmental Management, 2021
Water hyacinth is one of the aggressive alien aquatic macrophyte threatening biodiversity, economic development and human wellbeing. Currently, the macrophyte has invaded Lake Tana and its catchment causing several socio-ecological impacts.
Flipos Endgaw
doaj   +1 more source

Herbicides for Rooted Aquatic Macrophytes [PDF]

open access: yesPlanta Daninha, 2019
ABSTRACT: The aim of this study was to evaluate the effectiveness of glyphosate, 2,4-D, and diquat to control the aquatic macrophytes Brachiaria subquadripara, Hedychium coronarium, and Myriophyllum aquaticum under greenhouse conditions. The following herbicides and doses were used: glyphosate at 240, 720, 1,680, 2,640, 3,600, and 4,320 g a.e.
W.R. CERVEIRA JR.   +4 more
openaire   +5 more sources

Macrophytes as bioindicators [PDF]

open access: yesRiver Systems, 2003
Submerged macrophytes respond to changes in the nutrient concentrations in their environment. In contrast to diatoms e.g., submerged macrophytes are capable of taking up nutrients from both the sediment pore water and the overlying water. Therefore, macrophytes can provide a more comprehensive assessment of river ecosystems. Two methods using submerged
Alexander Kohler, Susanne Schneider
openaire   +1 more source

Effects of vegetation, season and temperature on removal pollutants in experimental floating treatment wetlands [PDF]

open access: yes, 2010
The research and interest towards the use of constructed floating wetlands for (waste)water treatment is emerging as more treatment opportunities are marked out, and the technique is applied more often. To evaluate the effect of a floating macrophyte mat
De Pauw, Niels   +3 more
core   +2 more sources

Investigating periphyton biofilm response to changing phosphorus concentrations in UK rivers using within-river flumes [PDF]

open access: yes, 2010
The excessive growth of benthic algal biofilms in UK rivers is a widespread problem, resulting in loss of plant communities and wider ecological damage.
Bowes, Michael J.   +3 more
core   +1 more source

Control of macrophytes by grass carp (ctenopharyngodon idella) in a Waikato drain, New Zealand [PDF]

open access: yes, 2003
Hornwort (Ceratophyllum demersum L.) and other aquatic macrophytes have historically been mechanically removed from the Rangiriri drain and Churchill East drain to maintain drain efficiency.
Bannon H. J.   +10 more
core   +2 more sources

Evidence on Night Movements of Macroinvertebrates to Macrophytes in a Pampean Stream [PDF]

open access: yes, 2014
Nocturnal invertebrate abundance peaks in lotic systems are usually associated to drift, however, diel migrations other than drift may be important in slow-flowing systems.
Ferreiro, Nicolas Andres
core   +1 more source

Monitoring Spatial Variability and Temporal Dynamics of Phragmites Using Unmanned Aerial Vehicles

open access: yesFrontiers in Plant Science, 2018
Littoral zones of freshwater lakes are exposed to environmental impacts from both terrestrial and aquatic sides, while substantial anthropogenic pressure also affects the high spatial, and temporal variability of the ecotone.
Viktor R. Tóth
doaj   +1 more source

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