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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 addition, high stocking densities can result in water flow being insufficient, creating inadequate oxygen supply and waste product removal. [116] Dissolved oxygen is essential for fish respiration and concentrations below critical levels can induce stress and even lead to asphyxiation . [ 119 ]
B or b is the second letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide.Its name in English is bee (pronounced / ˈ b iː /), plural bees.
The European Union (EU) is a supranational political and economic union of 27 member states that are located primarily in Europe. [9] [10] [11] The Union has a total area of 4,233,255 km 2 (1,634,469 sq mi) and an estimated total population of over 449 million.
It is used in southern Swedish; for example, the words "wesp" (wisp) and "wann" (water) are traditionally used in Halland. [15] In northern and western Sweden, there are also dialects with /w/. Elfdalian is a good example, which is one of many dialects where the Old Norse difference between v (/w/) and f (/v/ or /f/) is preserved. Thus, "warg ...
Research from the National Association of Realtors places the 2010 median sale price of a single family home in Honolulu, Hawaii, at US$607,600 and the U.S. median sales price at US$173,200. The sale price of single family homes in Hawaii was the highest of any U.S. city in 2010, just above that of the Silicon Valley area of California ( US ...
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