ecosystems. Resilience factors can be grouped into two categories: ecological and spatial. The ecological factor; coral reef diversity and species abundance is often dependent on a wide array of herbivorous fish and invertebrates that keep the amount of algae on the reef in check. Spatial factors that affect resilience include genetic diversity and connectivity between reefs for larval dispersal and larval recruitment. (Great Barrier Reef‚
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Main Features of the Reef: One of Australia’s most remarkable and unique natural gifts‚ the Great Barrier Reef is filled with the breathtaking beauty of the world’s largest coral reef. The Great Barrier Reef is made up of 3000 individual coral reefs and 940 islands‚ which stretches for 2000 kilometres along the Queensland coast and is home to; more than 1500 species of fish‚ 30 species of marine mammals including the endangered dugong‚ 6 of the world’s endangered species of sea turtles and 215 species
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Eutrophication 2-1 2. EUTROPHICATION This chapter should be read by anyone wanting a brief summary of the causes‚ the impacts and the management of eutrophication. CHAPTER CONTENTS 2.1 2.2 2.3 2.4 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 CAUSES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 2.2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Sea Stars (no longer considered called Star Fishes) are marine animals‚ part of the class Asteroidea. They are carnivorous invertebrates and can live up to 35 years. Despite the number of arms on a sea star averaging 5‚ they can grow up to 40 limbs. Sea Stars can be found almost anywhere but those located in the Pacific Ocean are getting hit with a mysterious condition. This condition starts out as a white or black lesion on the sea star’s body. From there‚ it spreads all over the body‚ causing
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MCB 150 Lab PROBLEM SET 1 1. The data below were obtained after performance of Ex. 2 as stated in your MCB 150 lab manual. a. Estimate the number of total bacteria‚ actinomycetes‚ fungi and algae per gram (dry weight) of soil collected from the IBS garden pH: 6.0 ODW: 8.6 grams Colony Counts: PDA 10-1: 210‚ 190 AMA 10-4: 125‚ 119 SCA 10-4: 80‚ 62 10-2: 20‚ 34 10-5: 17‚ 29 10-5: 18‚ 2 Algal Medium (no. of + tubes/ no. of inoculated tubes): 10-1: 5/ 5 10-2: 5/ 5 10-3: 3/ 5 10-4:
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Algal Culturing Techniques Algal Culturing Techniques Edited by Robert A. Andersen Amsterdam • Boston • Heidelberg • London • New York • Oxford Paris • San Diego • San Francisco • Singapore • Sydney • Tokyo Academic Press is an imprint of Elsevier Acquisitions Editor: Frank Cynar Project Manager: Justin Palmeiro Editorial Coordinator: Jennifer Hele Marketing Manager: Linda Beattie Cover Design: Suzanne Rogers Composition: SNP Best-set Typesetter Ltd.‚ Hong Kong Printer: Hing Yip
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amount of color present. Since the algae contains photosynthetic pigments‚ the degree of light it receives can alter the colors‚ hence the colorful reefs. The algae are sensitive to light and temperature‚ and expel zooxanthellae cells when they undergo conditions that place stress on them‚ such as an increase in temperature brought on by climate change. Consequently‚ a process known as coral bleaching occurs‚ in which the reefs turn white due to the absence of the algae‚ which could lead to the death
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are many causes of coral reef bleaching. The biggest concern of oceanographers is the effect global warming is having on the reefs. It is a stress condition that involves a breakdown of the symbiotic relationship between corals and unicellular algae called zooxantheallae. These microscopic plants live within the coral tissue‚ giving it color and food. One of the first symptoms of bleaching is the loss of color (?Coral Bleaching?). Though a coral does not have color does not necessarily mean
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Review of Dinoflagellate Bloom in term athropological effect and biogeographic range. Abstract Dinoflagellates are common and abundant to the marine and estuarine system‚ it were characterized by the 2 flagella that are located on the girdle and sulcus. The girdle grooves divides the body into 2 parts‚ in which its orientation‚ size and shape can be used to indentify them in morphological taxonomy. Toxic dinoflagellates are known to cause diarhetic shellfish poisoning (DSP)‚ paralytic shellfish poisoning
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Ecosystems At Risk Reefs are important ecosystems as the are home to an immense amount of biodiversity and are essential in the cycle of life The Role of the Atmosphere Many reefs are located in the cyclone zone due to the necessary conditions they require to grow. For as long as reefs have existed they have been shaped by cyclones and intense storms. The severity of the storms and cyclones is determined by the length and intensity of the storms‚ which determines how much damage will be inflicted
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