Tuesday, May 7, 2019
Arctic Plankton Bloom Assignment Example | Topics and Well Written Essays - 500 words
Arctic Plankton Bloom - Assignment ExampleWhen a scientist says that productiveness is a rate, he/she means that it is the rate at which organic matter is produced (National Geographic, n.d.). More clearly, in a scientific perspective, biological productivity is the annual rate of biomass production expressed in tons per hectare per year.Before discussing the factors that influence productivity in various ocean environments like the surf regularize, mid-ocean and the deep abyss, it is important to understand the fact that oceans measure for only one-third of Earths productivity although they cover roughly two-third of the Earths fold up area. In oceans, coastal regions are characterized with the sterling(prenominal) net primary production. Thorne-Miller (1999) states that diversity of species in surf zone is low but the species that remain in this ocean environment is unusually productive, making the surf zone one of the most productive marine habitats. Wave bring through is a major factor that influences productivity in the surf zone indirectly. It supplies nutrients and suspended food particles to plants and animals attached to the rock (p. 68). In addition, the wave action keeps seaweeds wet in times of low tide, leading to a favorable photosynthesis rate during the period of greatest light intensity. Thorne-Miller also says that seaweeds and invertebrates living in the surf zone have the capability to adapt to the thought-provoking physical conditions there (p.68).In the words of Foulger (2011), the major factors that determine productivity in mid-oceans include the local anesthetic plate boundary configuration, temperature, and source composition such as volatiles. Productivity is notably improved by enhanced source fertility. A high fertile source will be characterized with a subvert solidus, and this in turn would yield a higher level melting at a accustomed temperature resulting in the thickening of the oceanic crust (p.87). Tyler (2003)
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