Preliminary study on the macrophyte association of Lake Amatitlan
DOI:
https://doi.org/10.54495/Rev.Cientifica.v7i1.430Keywords:
preliminary study, macrophyte association, Lake AmatitlanAbstract
At the beginning of an aquatic succession, floating microscopic organisms, consisting of phytoplankton (algae) and zooplankton (animals), establish themselves first. Over time, other types of vegetation, including macroscopic plants, invade the body of water (lake lagoon), and the organic residues of this vegetation settle on the bottom of the shores. This sediment serves as a substrate for the rapid growth of aquatic vegetation. The aquatic vegetation surrounding the lagoon slowly gives way to terrestrial vegetation. This aquatic succession continues, and over time, the three main seral stages of ecological succession in lakes are established:
Aquatic stage
Marsh stage
Gramineae and grass stage
The aquatic ecosystem can remain stable for a relatively long period if strong physical conditions exist, such as strong waves, or if the body of water is large and deep enough that the establishment of aquatic successions may not result in a firm floor.
To prevent rapid eutrophication of a lake, humans often attempt to halt the process of natural ecological succession. To this end, three methods of plant control have been recognized: a) mechanical, using machinery and equipment to remove plants from the water, or by lowering or raising the water level to destroy aquatic vegetation; b) chemical control, using pesticides; c) biological control, which is currently in the experimental phase.
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Copyright (c) 1989 Francisco Monterroso, Julio Menegazzo, Roseivira Barillas de Klee, Haydée Paniagua de Díaz, Mario A. Díaz A.
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