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Barley straw, in England, is placed in mesh bags and floated in fish ponds or water gardens to help reduce algal growth without harming pond plants and animals. Barley straw has not been approved by the United States Environmental Protection Agency (EPA) for use as a pesticide and its effectiveness as an algaecide in ponds has produced mixed results during university testing in the United ...
Cyanobacteria (blue-green algae) bloom on Lake Erie (United States) in 2009. These kinds of algae can cause harmful algal bloom. A harmful algal bloom (HAB), or excessive algae growth, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, water deoxygenation, mechanical damage to other organisms, or by other means.
In the UK, the invasive species Crassula helmsii and Myriophyllum aquaticum have both escaped from garden ponds. These plants cause considerable practical problems in protecting freshwater. [2] Amphibious species such as frogs, toads, and newts are common in garden ponds, especially in overgrown areas with algae and reeds.
The growth of dense algae in surface waters can shade the deeper water and reduce the viability of benthic shelter plants with resultant impacts on the wider ecosystem. [24] [49] Eutrophication also decreases the value of rivers, lakes and aesthetic enjoyment. Health problems can occur where eutrophic conditions interfere with drinking water ...
On Lake Erie, getting rid of problem algae starts with giving it less food By JOSHUA A. BICKEL and PATRICK AFTOORA-ORSAGOS Associated Press OREGON, Ohio (AP) — On a warm late-summer evening, a small speedboat motored across a pea-green stretch of Lake Erie past a beach where a child sat splashing and a pair of newlyweds waded for a portrait ...
A very large algae bloom in Lake Erie, North America, which can be seen from space. An algal bloom or algae bloom is a rapid increase or accumulation in the population of algae in fresh water or marine water systems. It is often recognized by the discoloration in the water from the algae's pigments. [1]
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