Investigation into the biodiversity of organisms at different heights on a rocky shore. PART (1) Ellen Ryan Introduction This experiment was carried out in order to better understand Hong Kong’s ecology and biodiversity‚ specifically focusing on field-based whole organism biology in an area with little human interferences. Method 1. Lay a horizontal transect on the mid-shore (1.75m) 2. Repeat for high-shore (2.25m) 3. At regular intervals of 1m on one of the transects record the number
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zonation. Zonation occurs because different species need different environmental conditions to suit their adaptations in order to survive‚ and therefore they need to position themselves on the rocky shore accordingly. These zones run parallel to the water and range from the high tide point (the highest place on the shore that the high tide reaches) to low tide point (the lowest point which the water goes to). Zonation results from the constant change of environmental conditions such as exposure to air and
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Grapsidae. This crab species is found only in New Zealand on rocky shores. The rocky shore‚ where the crabs studied in this investigation were found is quite exposed. There is a large rock platform that provides small crevices and small rocks which help to protect them from wave action and predators. There are also sea lettuce‚ and other algae growing on parts of the rocks. The crab has many adaptations that allow it to live on the rocky shore including: • grey/black colour for camouflage • food
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I am focusing on are brown barnacles. Brown barnacles are marine crustaceans and have hexagon shaped shells with an animal living inside it. They are sessile organisms meaning they are fixed in one place on the rocky shore. They are usually found at high tide zones on rocks on rocky shores. According to the data collected from the field trip on the 9th of March 2016‚ 19% of the brown barnacles of the brown barnacles were found at high tide zones‚ 6% at mid tide zones and only 1% at low tide zones
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Periwinkles | 0 | 16 | 0 | Barnacles | 0 | 19 | 0 | Bivalves | 0 | 10 | 0 | Hermit crabs | 15 | 0 | 0 | Snail | 1 | 0 | 0 | Animals found outside the quadrats: Animal names | Nos. | Micro-habitat | periwinkles | 42 | Rocky shores | oyster | 20 | Rocky shores | sea cucumber | 51 | Gravel beds offshore | crab | 2 | Gravel beds offshore | Shrimp | 1 | Gravel beds offshore | Sea urchin | 4 | Shallow water | Adaptation features of animals: a. Against dislodgement by wave action:
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PLATE #3: THE SITE NAGSASA (NAZASA) COVE‚ SAN ANTONIO ZAMBALES Rainforest Aetas and rocky beaches In the 1980s‚ the mountain slopes around Nagsasa Cove were covered with tropical rainforest and inhabited by Aeta people‚ as they were for hundreds of years. The shoreline was mostly rocky‚ with short patches of beach here and there. Some distance beyond the shore (as indicated in old maps of the cove) was a rich coral reef‚ prolific with all kinds of fish and marine life. There
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University of Phoenix Material The Oceans and Atmosphere Worksheet Prepare a 50- to 75-word response to each of the following questions using the assigned readings for Week 4. Your responses will be assessed according to the accuracy of the content. Oceans Question Response What is the composition of seawater? Almost anything can be found in seawater. This includes dissolved materials from Earth’s crust as well as materials released from organisms. The most important components of seawater
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Disaster: British Petroleum Oil Spill Date: April 20‚ 2010 Location: Gulf of Mexico Personal Experiences: A little over a year after the BP oilrig sprung a leak‚ my family and I went to Panama City in Florida. As far as we could see‚ we couldn’t notice any differences in the Gulf of Mexico. The water was still crystal clear even though thousands of barrels of oil leaked into the ocean each day for months. I was completely aware of how the spill dramatically affected the lives‚ jobs‚ and
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ocean water circulate? • How does the topography of the ocean floor change from a continental margin to the mid-ocean ridge? How are the oceans mapped? • How do ocean waves and breakers form? • How sediments are moved along a shore line and what coastal features are formed? • Be able to recognize both depositional and erosional coastal landforms Why should we study the oceans? • 70% of Earth’s surface • Source for food‚ energy • Used for transportation
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Rogers‚A. 2001. Photographic Guide to the Sea & Shore Life of Britain & North-west Europe Giller‚P.S. & Malmqvist‚B. 1998. The Biology of Streams & Rivers. Oxford Uni. Press. Oxford. Hayward‚ P.J. & Ryland‚ J.S. 1995. Handbook of the marine fauna of North-West Europe. Oxford University Press‚ Oxford. Little‚C. 2000. The Biology of Soft Shore & Estuaries. Oxford University Press. Oxford. Little‚C. & Kitching‚J.A. 1996. The Biology of Rocky Shores. Oxford University Press. Oxford. Mann‚ K.H. 2000
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