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A jellyfish bloom is defined as a substantial increase in a jellyfish population within a short time period; the result of a higher reproduction rate. [2] Since jellyfish naturally have high reproductive rates, high-density blooms can occur as a result of both behavioral and ecological causes.
The potential worsening of jellyfish blooms as a result of human activities has driven new research into the influence of dead zones on jelly populations. The primary concern is the potential for dead zones to serve as breeding grounds for jelly populations as a result of the hypoxic conditions driving away competition for resources and common ...
Blooms of jellyfish may also impact economic stability in surrounding communities, due to overfishing which alters trophic processes. [11] As jellyfish overpopulate ecosystems, they may wipe out large numbers of fish in their habitat. Blooms occur because of changes in temperature and phytoplankton abundance in the ecosystem. [11]
In 2019, a similar algal bloom in the Ohio River resulted in the cancelation of the swimming portion of Louisville’s 2019 IRONMAN race, due to concerns for athlete safety.
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This in turn kills fish and other animals, but not jellyfish, [94] allowing them to bloom. [95] [96] Jellyfish populations may be expanding globally as a result of land runoff and overfishing of their natural predators. [97] [98] Jellyfish are well placed to benefit from disturbance of marine ecosystems. They reproduce rapidly; they prey upon ...
Nutrient pollution is a major cause of algal blooms and excess growth of other aquatic plants leading to overcrowding competition for sunlight, space, and oxygen. Increased competition for the added nutrients can cause potential disruption to entire ecosystems and food webs, as well as a loss of habitat, and biodiversity of species.
A cherry blossom tree blooms in Carthage in 2019. This week, 12 years after similar trees were gifted from a city in Japan, the first two healthy varieties were received by the Cincinnati Park Board.