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Free Essays Must Be Free! Waste no more time! The seashore is a habitat that contains a wide range of microhabitats and ecological niches for different creatures. This is mainly due to the effects of the tides, that rise and fall twice each day.
Tides are the vertical movement of water in a periodical oscillation of the sea, due to the gravitational pull of the sun and moon. The tides are on a semi-diurnal cycle, so there are two high tides and two low tides each day.
Due to the orbit of the moon, the tides also have a monthly cycle. This creates neap very low and spring very high tides. The seashore can be divided into several zones, which are illustrated on the diagram below: This is the highest zone on the shore, and lies above the EHWS mark, and therefore is never covered by seawater.
However, it may be occasionally be spray wetted. Because of this, it is mainly inhabited by terrestrial species, such as lichen, that can live in areas of very high salinity. The Littoral Intertidal Zone: This zone is the area that is covered and uncovered by the tides, and therefore organisms that live here must be able to tolerate a large range of conditions.
It can be further divided into the Littoral Fringe and the Eulittoral zone. The Littoral Fringe Splash Zone: This part of the Littoral zone lies above the area that is completely submerged by the sea in normal conditions. However, it is frequently covered by splash from waves, and so is far more marine in character that the Supralittoral Zone.
Lichens still dominate this zone, but some species of periwinkles and topshells may graze them. This zone is the area of the beach that is regularly submerged by the tides, and can be divided into three more zones, the upper, middle and lower shores.
It shows the greatest species diversity of any of the zones. Because of this, organisms that live here must be adapted to survive long periods of desiccation. The two seaweeds that are the most common here, Fucus spiralis and Pelvetia canaliculata have adaptations to survive in this area.
The most common seaweed in this zone Fucus vesiculosus. Mussel beds will form and both limpets and periwinkles will graze the rocks.The distribution pattern shown on the rocky shore is zonation.
Zonation is a horizontal band of distribution of organisms along the ground. Different substrates and the tide will affect the zonation patterns. A Look at Zonation on a Rocky Shore PAGES 4. WORDS 1, View Full Essay. More essays like this: zonation, rocky shore, littorina.
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View Full Essay. This is the end of the preview. Sign up to view the rest of the essay. Vertical Zonation and the Rocky Shore Essay Student Number: Candidate Number: Vertical Zonation and the Rocky Shore According to Yonge (), “the zoning of both plants and animals within the narrow vertical limits of a rocky shore is one of the most striking features about shore life.”.
The Intertidal Rocky Shore of Caloundra Beach Essay Words 3 Pages The intertidal rocky shore of Caloundra Beach is inhabited by diverse range of biodiversity of animals and plants, many of which have developed high levels of adaptations throughout their existence.
Rocky Shore Zonation Order Description Production of a Scientific Paper PART A. DATA ANALYSIS AND INTERPRETATION [TC and DJS] A major element of working in research but also industry and many other professional sectors is the ability to synthesise, analyse and interpret significant data sets in order to address key unknowns.
This largely practical-based componentRead more about Rocky . Zonation on a rocky shore essaysThe seashore is a habitat that contains a wide range of microhabitats and ecological niches for different creatures.
This is mainly due to the effects of the tides, that rise and fall twice each day. Tides are the vertical movement of water in a periodical oscillati.