formation of acid sulfate soil resulting in barren soil • Soil alkalinisation owing to irrigation with water containing sodium bicarbonate leading to poor soil structure and reduced crop yields • Soil salination in irrigated land requiring soil salinity control to reclaim the land [6] • Soil waterlogging in irrigated land which calls for some form of subsurface land drainage to remediate the negative effects [6] • Destruction of soil structure including loss of
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Experiment IV Solubility of Dissolved Oxygen Purpose To demonstrate the effect of partial pressure‚ temperature and salinity on the solubility of dissolved oxygen and to demonstrate the interference of nitrite in dissolved oxygen analysis by the Winkler Method. To demonstrate the use of the oxygen electrode and the difference between activity and concentration. References 1. Mancy‚ K. H.‚ Jaffe‚ T.‚ "Analysis of Dissolved Oxygen in Natural and Waste Water‚" USDHEW Public Health Service
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technologies are currently being developed in the areas of tidal power‚ wave power‚ thermal energy gradient‚ current energy‚ winds and salinity gradient‚ not all of these are suitable for Malaysian sea areas. This paper surveys the available Malaysian oceanographic data and identifies the potential sources of energy. • • • • • Thermal Difference Tides Waves Ocean Current Salinity gradient The concept being developed for each category will be briefly explained in the following sections. 2.1 Ocean Thermal
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Crab farming has become an integral part of aquaculture in the country. This practice began in the early seventies when some fishpond operators in Bicol‚ Visayas‚ and Southern Tagalog started to culture crab as a subsidiary crop in milk fish or bangus ponds. The crab species Scylla serrata is the biggest and most important member of the family of edible crabs in the Philippines. Mud crab‚ or alimango‚ is considered a delicacy and has become a popular fare in seafood restaurants. It is sought for
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Why does Antarctica matter? In a world where so much importance and attention is focused on factors‚ which impinge directly on our day to day existence‚ be it the refugee crisis‚ the European referendum or concerns regarding global food shortages‚ it can be easy to underestimate the importance of Antarctica. Antarctica is unique. Antarctica is larger than Europe but the only continent that doesn’t have many permanent residents living within its boundaries‚ with only 1‚000 to 5‚000 people a year
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Mar Biotechnol (2008) 10:242–249 DOI 10.1007/s10126-007-9057-6 ORIGINAL ARTICLE Oral Administration of Bacterially Expressed VP28dsRNA to Protect Penaeus monodon from White Spot Syndrome Virus M. Sarathi & Martin C. Simon & C. Venkatesan & A. S. Sahul Hameed Received: 8 August 2007 / Accepted: 27 September 2007 / Published online: 17 January 2008 # Springer Science + Business Media‚ LLC 2007 Abstract We explored the possibility of protecting Penaeus monodon against white spot syndrome
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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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141 Chapter 3 Stable Isotope Fractionation In 1913‚ Sir J.J. Thomson found that the element neon has two different kinds of atoms with atomic weights of 20 and 22‚ respectively. This was the first experimental proof of a hypothesis by F. Soddy that different atoms might occupy the same place in the Periodic Table. Soddy named these atoms isotopes‚ which in Greek means equal places (Soddy‚ 1913). For his experiments‚ Thomson used a so-called ‘positive ray apparatus’‚ a predecessor of today’s mass
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Marine Ecology Group 6 Leader: Lester Hernandez Members: Jerome Pineda Bren Phillip Carasco Arizza Mae Delos Reyes Niña Clarisse Monzales Roxanne Ocampo Marine Fauna * Are animals that inhabit the seas and oceans * Some marine animals subsequently transferred to life in fresh water and on dry land‚ giving rise to freshwater and terrestrial fauna. * Some vertebrates that returned to the marine environment have retained their ties to land‚ leaving the sea for reproduction
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that is component of seawater. Salt is used in many different ways but it is mainly used for cooking. Salt in the soil with plants will cause the plants to decrease in growth. This is because
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