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Green algae respond strongly to bright light conditions as well as unbalanced carbon dioxide and nutrient levels in the water of freshwater aquaria. [ 3 ] Green spot algae (GSA), most likely of the genus Coleochaete , is a spot-forming algae that slowly covers glass, aquarium furniture , and plants.
Aquatic plants are used to give the freshwater aquarium a natural appearance, oxygenate the water, absorb ammonia, and provide habitat for fish, especially fry (babies) and for invertebrates. Some aquarium fish and invertebrates also eat live plants. Hobbyists use aquatic plants for aquascaping, of several aesthetic styles.
In freshwater or estuarine systems close to land, nitrate can reach concentrations that are lethal to fish. While nitrate is much less toxic than ammonia, [20] levels over 30 ppm of nitrate can inhibit growth, impair the immune system and cause stress in some aquatic species. [21] Nitrate toxicity remains a subject of debate. [22]
The flower of Nymphaea alba, a species of water lily Bud of Nelumbo nucifera, an aquatic plant. Aquatic plants also referred to as hydrophytes [1] are vascular plants and non-vascular plants [2] that have adapted to live in aquatic environments (saltwater or freshwater).
In contrast, freshwater invertebrates are more tolerant (~90+mg/l), and adult freshwater fish can tolerate very high levels (800mg+/l). [51] Nitrate levels also contribute to eutrophication , a process in which large algal blooms reduce oxygen levels in bodies of water and lead to death in oxygen-consuming creatures due to anoxia.
Freshwater aquarium. Lists of aquarium life include lists of fish, amphibians, invertebrates and plants in freshwater, brackish and marine aquariums. In fishkeeping, suitable species of aquarium fish, plants and other organisms vary with the size, water chemistry and temperature of the aquarium. Freshwater-specific lists:
It may even be the case that the Redfield Ratio is applicable to terrestrial plants, soils, and soil microbial biomass, which would inform about limiting resources in terrestrial ecosystems. [12] In a study from 2007, soil and microbial biomass were found to have a consistent C:N:P ratios of 186:13:1 and 60:7:1, respectively on average at a ...
Elodea is a genus of eight species of aquatic plants often called the waterweeds described as a genus in 1803. Classified in the frog's-bit family (Hydrocharitaceae), Elodea is native to the Americas [1] and is also widely used as aquarium vegetation and laboratory demonstrations of cellular activities.
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