Intertidal Zone
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The rocky shoreline of Newport, Rhode Island showing a clear line where high tide occurs. Littoral zone Intertidal zone Estuaries Kelp forests Coral reefs Ocean banks Continental shelf Neritic zone Straits Pelagic zone Oceanic zone Seamounts Hydrothermal vents Cold seeps Demersal zone Benthic zoneThe intertidal zone, also known as the foreshore and seashore and sometimes referred to as the littoral zone, is the area that is above water at low tide and under water at high tide (in other words, the area between tide marks). This area can include many different types of habitats, with many types of animals like starfish, sea urchins, and some species of coral. The well known area also includes steep rocky cliffs, sandy beaches, or wetlands (e.g., vast mudflats). The area can be a narrow strip, as in Pacific islands that have only a narrow tidal range, or can include many metres of shoreline where shallow beach slopes interact with high tidal excursion. Organisms in the intertidal zone are adapted to an environment of harsh extremes. Water is available regularly with the tides but varies from fresh with rain to highly saline and dry salt with drying between tidal inundations. The action of waves can dislodge residents in the littoral zone. With the intertidal zone's high exposure to the sun the temperature range can be anything from very hot with full sun to near freezing in colder climates. Some microclimates in the littoral zone are ameliorated by local features and larger plants such as mangroves. Adaptation in the littoral zone allows the use of nutrients supplied in high volume on a regular basis from the sea which is actively moved to the zone by tides. Edges of habitats, in this case land and sea, are themselves often significant ecologies, and the littoral zone is a prime example. A typical rocky shore can be divided into a spray zone or splash zone (also known as the supratidal zone), which is above the spring high-tide line and is covered by water only during storms, and an intertidal zone, which lies between the high and low tidal extremes. Along most shores, the intertidal zone can be clearly separated into the following subzones: high tide zone, middle tide zone, and low tide zone. The intertidal zone is one of a number of marine biomes or habitats, including estuaries, neritic, surface and deep zones. From Wikipedia under the
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Q. In what ways is life a challenge for organisms living in the intertidal zone? Asked by Kylie - Tue Apr 14 20:26:25 2009 - Zoology - 1 Answers - Comments A. Intertidal organisms are submerged in sea water at high tide, but are left high and dry, exposed to the air, wind, sunshine, etc. at low tide. So, in effect, they have to be able to cope with two entirely different habitats every day. Answered by PaulCyp - Tue Apr 14 21:42:32 2009 From Yahoo Answer Search: "intertidal zone" |
Dredging Today Wed, 06 Apr 2011 00:29:03 -0700 The harbour contained an important range of sheltered intertidal and shallow sub- tidal benthic habitats of rocky and sediment substrata not widely represented elsewhere, he said. Surveys of the lower harbour indicated a complex habitat patchwork, ... Half Moon Bay Review Wed, 20 Apr 2011 17:15:32 -0700 ... April 20, 2011 5:00 pm | Updated: 5:02 pm, Wed Apr 20, 2011. by Lily Bixler On a recent nighttime tide pool excursion, Friends of Fitzgerald Marine Reserve Ranger Sarah Lenz spotted seven red octopi in 40 minutes around the intertidal zone . ... From Google News Search: "intertidal zone"  snails2whales.blogspot.com Katie Concannon Sun, 01 Aug 2010 02:23:00 GM I found the information on the tides and the . intertidal zone. very interesting since that was not something I knew much about before. It is impressive how much you can determine from the tide and what types of plants live in it. ... From Google Blog Search: "intertidal zone" Littoral Zone Information (Zone Littoral, Supralittoral Zone ... Littoral Zone Information. Includes Oceanography and Marine Biology, Intertidal Zone, Sublittoral Zone, Eulittoral Zone, Littoral Drift and Neritic Zone information ... www.laky.org/littoral_zone/encyclopedia.htm Benthic Zone Information (Organisms, Benthic Region, Surface ... Benthic Zone Information. Includes Benthic Organisms, Pelagic Zone, Surf Zone, Tidal, Benthic Boundary Layer, Intertidal Zone, Abyssal Zone, Wave, Floor and Level ... www.laky.org/benthic_zone/encyclopedia.htm Benthic Zone (Organisms, Benthic Region, Surface, Pelagic Zone ... Benthic Zone. Includes Benthic Organisms, Surf Zone, Tidal, Benthic Boundary Layer, Intertidal Zone, Abyssal Zone, Wave, Floor, Level and Column information plus more ... www.laky.org/benthic_zone www.laky.org http://www.laky.org/intertidal_zone/encyclopedia.htm http://www.laky.org/introduction_to_quantum_mechanics/ http://www.laky.org/introduction_to_quantum_mechanics ... www.laky.org/urllist.txt From Bing Site Search: "intertidal zone" lessonplanet.com Find intertidal zone food web lesson plans from 1000s of teacher approved lessons by grade and subject. Quickly find lesson plans that inspire student learning. www.lessonplanet.com/search?keywords=intertidal+zone+food+web&media=lesson ehow.com The intertidal zone, also known as the littoral zone, is one of the three divisions which, in marine ecology environments, make up the area of the foreshore and ... www.ehow.com/about_6645676_intertidal-zone_.html From Web Search: "intertidal zone" Science: Biology: Flora and Fauna: Animalia: See this FAQ for advice on "Where to submit or find a site about animals?" Please submit your site to the most appropriate category. Submitting to an incorrect ... Science: Earth Sciences: Oceanography: Projects @ Sea - Webzine features science adventures aboard Harbor Branch Oceanographic's research ships. Live coverage and original articles. ...
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