The effects of floating mats of Azolla filiculoides Lam. and Lemna minuta Kunth on the growth of submerged macrophytes

1996 ◽  
pp. 23-26 ◽  
Author(s):  
Rachel A. Janes ◽  
John W. Eaton ◽  
Keith Hardwick
Keyword(s):  
Submerged Macrophytes ◽  
Azolla Filiculoides

scholarly journals Impact of riparian trees shade on aquatic plant abundance in conservation islands

2011 ◽  
Vol 70 (2) ◽  
pp. 245-258 ◽  
Author(s):  
Magdi Ali ◽  
Samar Hassan ◽  
Abdel-Samei Shaheen
Keyword(s):  
Aquatic Plant ◽  
Submerged Macrophytes ◽  
Myriophyllum Spicatum ◽  
Ceratophyllum Demersum ◽  
Submerged Plants ◽  
Plant Abundance ◽  
Potamogeton Crispus ◽  
Azolla Filiculoides ◽  
Riparian Trees ◽  
Significant Difference

Impact of riparian trees shade on aquatic plant abundance in conservation islands Temperature, acidity, light conditions, total dissolved salts, conductivity, dissolved oxygen, submerged macrophytes and shade and sun path directions were measured at 23 sites along the River Nile banks with aAcacia nilotica growing at water's edge around the First Cataract Conservation Islands. Ceratophyllum demersum and Potamogeton crispus were common in the shaded and unshaded zones, Myriophyllum spicatum and Vallisneria spiralis were found only in the unshaded zone and Azolla filiculoides only in the shaded zone. Banks of the sites surveyed were oriented to five directions (NW, SE, NE, SW, N). There is a significant difference in both the type and density of submerged plants growing under the shade of riparian trees (Acacia nilotica) as compared to unshaded areas. Water column irradiance is the most influential variable dictating the distribution of submerged plants. The area of the shade provided by riparian trees was affected by environmental and/or plant variables. Environmental variables comprised the daily course of the exposition to sun; and plant variables included the area of the tree crown, the height of the tree and geographical position of the tree in relation to sun exposition. Trees on the west bank of the islands at the SW-NE direction have the highest shading effect. The management of tree vegetationmight control incoming solar radiation affecting submerged macrophytes.

The effects of floating mats of Azolla filiculoides Lam. and Lemna minuta Kunth on the growth of submerged macrophytes

Hydrobiologia ◽  
1996 ◽  
Vol 340 (1-3) ◽  
pp. 23-26 ◽  
Author(s):  
Rachel A. Janes ◽  
John W. Eaton ◽  
Keith Hardwick
Keyword(s):  
Submerged Macrophytes ◽  
Azolla Filiculoides

Assessment of the Influence of the Invasive Species Pistia stratiotes (Araceae) on Some Species of Submerged Macrophytes of Natural Water Bodies of Ukraine

2017 ◽  
Vol 53 (5) ◽  
pp. 75-84
Author(s):  
O. P. Olkhovich ◽  
N. Yu. Taran ◽  
N. B. Svetlova ◽  
L. M. Batsmanova ◽  
M. V. Aleksiyenko ◽  
...  
Keyword(s):  
Invasive Species ◽  
Natural Water ◽  
Submerged Macrophytes ◽  
Water Bodies ◽  
Pistia Stratiotes ◽  
Natural Water Bodies

PHYSIOLOGICAL EFFECTS OF DISSOLVED INORGANIC CARBON ON COMMON SUBMERGED MACROPHYTES

2010 ◽  
Vol 33 (6) ◽  
pp. 1020-1030 ◽  
Author(s):  
Yan-Hui ZHANG ◽  
Yan-Jie AN ◽  
Chi ZHU ◽  
Shao YANG
Keyword(s):  
Inorganic Carbon ◽  
Dissolved Inorganic Carbon ◽  
Submerged Macrophytes ◽  
Physiological Effects

Submerged macrophytes support cyanobacteria and microcystin production in a drawdown tropical semi-arid reservoir

2021 ◽  
Author(s):  
Flávia Morgana Monteiro ◽  
Gustavo Correia de Moura ◽  
Juliana dos Santos Severiano ◽  
Camila Ferreira Mendes ◽  
José Etham de Lucena Barbosa
Keyword(s):  
Submerged Macrophytes ◽  
Microcystin Production ◽  
Semi Arid

Metal(loid) accumulation levels in submerged macrophytes and epiphytic biofilms and correlations with metal(loid) levels in the surrounding water and sediments

2021 ◽  
Vol 758 ◽  
pp. 143878
Author(s):  
Mengmeng Fan ◽  
Pinhua Xia ◽  
Wensheng Chen ◽  
Tianyou Wang ◽  
Xin Du ◽  
...  
Keyword(s):  
Submerged Macrophytes ◽  
Surrounding Water

scholarly journals Omnivorous Carp (Carassius gibelio) Increase Eutrophication in Part by Preventing Development of Large-Bodied Zooplankton and Submerged Macrophytes

Water ◽  
2021 ◽  
Vol 13 (11) ◽  
pp. 1497
Author(s):  
Vladimir Razlutskij ◽  
Xueying Mei ◽  
Natallia Maisak ◽  
Elena Sysova ◽  
Dzmitry Lukashanets ◽  
...  
Keyword(s):  
Aquatic Ecosystems ◽  
Submerged Macrophytes ◽  
Benthic Algae ◽  
Plankton Community ◽  
Prussian Carp ◽  
Omnivorous Fish ◽  
Outdoor Experiment ◽  
Nitrogen Concentrations ◽  
Lower Biomass

Fish, being an important consumer in aquatic ecosystems, plays a significant role by affecting the key processes of aquatic ecosystems. Omnivorous fish consume a variety of food both from pelagic and benthic habitats and may directly or indirectly affect the plankton community as well as the lake trophic state. We conducted a 72-day outdoor experiment in mesocosms with and without Prussian carp (Carassius auratus) to evaluate the effect of this often-stocked omnivorous fish on the plankton community and water quality. We found that the presence of fish increased the biomass of planktonic algae, total and inorganic suspended solids, leading to decreased light intensity in the water and a lower biomass of benthic algae. Fish also prevented development of submerged macrophytes and the establishment of large-bodied zooplankton. However, the fish did not increase nitrogen concentrations and even was lowered total phosphorus levels, in part due to nutrient storage in the fish. We conclude that stocking of Prussian carp should be avoided, or removed where stocked and abundant, to obtain good ecological quality of shallow lakes, characterized by clear water and high abundance of macrophytes.

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