47273-003: Initial Environmental Examination

Total Page:16

File Type:pdf, Size:1020Kb

47273-003: Initial Environmental Examination Initial Environmental Examination May 2014 SRI: Integrated Road Investment Program – Project I (Southern Province) Prepared by the Road Development Authority, Ministry of Highways, Ports and Shipping, Government of Sri Lanka for the Asian Development Bank. CURRENCY EQUIVALENTS (as of 14 May 2014) Currency unit – Sri Lanka rupee (SLRe/SLRs) SLRe 1.00 = $ 0.007669 $1.00 = SLR 130.400 ABBREVIATIONS ABC - Aggregate Base Coarse AC - Asphalt Concrete ADB - Asian Development Bank CBO - Community Based Organizations CEA - Central Environmental Authority DoF - Department of Forest DSDs - Divisional Secretary Divisions DWLC - Department of Wild Life Conservation EIA - Environmental Impact Assessment EMoP - Environmental Monitoring Plan EMP - Environmental Management Plan EPL - Environmental Protection License ESDD - Environmental and Social Development Division FBO - Farmer Based Organizations GoSL - Government of Sri Lanka GRC - Grievance Redress Committee GRM - Grievance Redress Mechanism GSMB - Geological Survey and Mines Bureau IEE - Initial Environmental Examination LAA - Land Acquisition Act MER - Manage Elephant Range MOHPS - Ministry of Highways, Ports and Shipping NAAQS - National Ambient Air Quality Standards NBRO - National Building Research Organization NEA - National Environmental Act NWS&DB - National Water Supply and Drainage Board OPRC - Output and Performance - based Road Contract PIC - Project Implementation Consultant PIU - Project Implementation Unit PRDA - Provincial Road Development Authority PS - Pradeshiya Sabha RDA - Road Development Authority ROW - Right of Way TOR - Terms of Reference This initial environmental examination is a document of the borrower. The views expressed herein do not necessarily represent those of ADB's Board of Directors, Management, or staff, and may be preliminary in nature. Your attention is directed to the “terms of use” section of this website. In preparing any country program or strategy, financing any project, or by making any designation of or reference to a particular territory or geographic area in this document, the Asian Development Bank does not intend to make any judgments as to the legal or other status of any territory or area. TABLE OF CONTENTS EXECUTIVE SUMMARY I. INTRODUCTION ............................................................................................................ 1 A. Background .................................................................................................................... 1 B. Output and Performance - based Road Contract ............................................................ 2 C. Objectives of the proposed project ................................................................................. 3 D. Objectives of the Initial Environmental Examination........................................................ 4 E. Approach, Methodology and Personnel Involved ............................................................ 4 II. DESCRIPTION OF THE PROJECT ............................................................................... 6 A. Location of the Project .................................................................................................... 6 B. Need of the Project ......................................................................................................... 6 C. Analysis of Alternatives .................................................................................................. 7 D. Magnitude of Operations ................................................................................................ 7 III. POLICY AND LEGAL FRAMEWORK ............................................................................10 A. Legal Framework ...........................................................................................................10 B. Policy Framework ..........................................................................................................16 IV. DESCRIPTION OF EXISTING ENVIRONMENT ...........................................................19 A. Physical Environment ....................................................................................................19 B. Ecological Environment .................................................................................................25 C. Socio - Economic Environment ......................................................................................28 V. ANTICIPATED ENVIRONMENTAL IMPACTS AND PROPOSED MITIGATION MEASURES .....................................................................................................................35 A. Pre-construction phase ..................................................................................................35 B. Construction phase........................................................................................................36 C. Operational Phase .........................................................................................................42 D. Positive Impacts of the Project ......................................................................................43 E. Climate Change Impacts and Risks ...............................................................................44 VI. INSTITUTIONAL REQUIREMENTS AND ENVIRONMENTAL MANAGEMENT PLAN AND GRIEVANCE REDRESS MECHANISM ............................................................................48 A. Institutional Arrangements .............................................................................................48 B. Responsibilities .............................................................................................................48 C. Environmental Management Plan and Monitoring .........................................................52 D. Grievance Redress Mechanism .....................................................................................53 VII. PUBLIC CONSULTATION AND INFORMATION DISCLOSURE ...................................56 A. One on one consultation ................................................................................................56 B. Focus Group Discussions ..............................................................................................56 C. Disclosure of information ...............................................................................................59 VIII. CONCLUSION AND RECOMMENDATIONS ................................................................60 List of Appendices Appendix 1.1: Details of roads to be upgraded under i Road Program ................................61 Appendix 1.2: Sample Completed Environmental Checklists ..............................................79 Appendix 2.1: General Location Maps ................................................................................89 Appendix 2.2: Proposed Cross Sections .............................................................................94 Appendix 2.3: Material Required for i Road Program ........................................................ 105 Appendix 4.1: Ecologically sensitive areas ....................................................................... 106 Appendix 5.1: Adaptation Measures and Costs ................................................................ 108 Appendix 6.1: Standard EMP for Rural Roads .................................................................. 119 Appendix 6.2: Sample EMC for Rural Roads .................................................................... 133 Appendix 6.3: Environmental Monitoring Plan for Rural Roads ......................................... 146 Appendix 6.4: Standard EMP for reconstructed roads of OPRC package ......................... 148 Appendix 6.5: Sample EMC for reconstructed roads of OPRC package ........................... 163 Appendix 6.6: Environmental Monitoring Plan for OPRC package .................................... 178 Appendix 7.1: List of Public Consultation .......................................................................... 180 List of tables Table I-1: District-wise length of roads in Southern Province .......................................... 2 Table III-1: Applicable National Laws and Regulations for the Investment Program ........11 Table III-2: Applicable Approvals required for the Investment Program ...........................14 Table IV-1: Climatic Characteristics of Candidate Roads .................................................19 Table IV-2: Road sections located within hydrologically sensitive areas of Galle District .22 Table IV-3: Road sections located within hydrologically sensitive areas of Matara District23 Table IV-4: Road sections located within hydrologically sensitive areas of Hambanthota District 23 Table IV-5: National ambient air quality standards ...........................................................24 Table IV-6: Forests/wildlife reserves/ sanctuaries located within 100m along roads under packages- Matara district ...............................................................................26 Table IV-7: Forests/wildlife reserves/ sanctuaries located within 100m along roads under packages-Hambantota district .......................................................................26 Table IV-8: Forests/wildlife reserves/ sanctuaries located within 100m along roads under packages-Galle district ..................................................................................27 Table IV-9: Population by Gender ....................................................................................28 Table IV-10: Distribution
Recommended publications
  • GUIDE to SRI LANKAN RETREAT VENUES for Your Next Retreat
    Discover the Perfect Venue GUIDE TO SRI LANKAN RETREAT VENUES For Your Next Retreat RETREATS AND VENUES INDEX INDEX Contents 02 - 03 04 - 05 06 08 - 09 10 - 11 12 - 13 14 - 15 16 - 17 18 - 19 20 - 54 55 RETREAT AND VENUES Choose from a 1000+ venues vetted by www.retreatsandvenues.com our community of over 750 retreat leaders. 2 | © RETREATSANDVENUES © RETREATSANDVENUES | 3 ABOUT US ABOUT US Discover Your Perfect RETREATS Choose from a 1000+ venues & VENUES vetted by Retreat Venues our community of over 750 retreat leaders. FIND A VENUE e help retreat leaders find their perfect venue for free. Browse our Then our retreat venue experts will curate a custom list of venues that match website or book a discovery call today for a more personalized your retreat vision. We then work 1 on 1 with you to help you book or hold Wtouch. We will start by learning more about your retreat vision on your perfect venue. a discovery call (15 to 30 minutes). 4 | © RETREATSANDVENUES © RETREATSANDVENUES | 5 SRI LANKA MANDALAY LAKE VILLA Mandalay Lake Villa 6 PEOPLE 3 ROOMS KCT VILLA AHANGAMA,SRI LANKA LEARN MORE A private lakeside villa. Conveniently located between Galle Town and Mirissa. The Koggala stilt fishermen, Koggala Sea plane wharf and Discover Your Koggala surf beach are only a 5 minute ride. Next Retreat Venue But the tranquility are all within the walls of this Bawa inspired luxury homestead. Fully SRI LANKA staffed. Discover leading retreats, stunning venues and welcoming hosts around the world 6 | © RETREATSANDVENUES © RETREATSANDVENUES | 7 RATNAKARA VILLA RATNAKARA VILLA Ratnakara Villa ACTIVITIES LEARN MORE SOUTHERN PROVINCE, SRI LANKA 7 ROOMS 16 PEOPLE • Beach • Meditation • Sailing • Surfing • Exploration • Paddle • Scuba • Swimming CMB RETREAT CENTER • History Boarding Diving • Yoga Ratnakara is an exclusive Villa and Retreat Center on Sri Lanka’s most Southerly tip near Dondra Head Lighthouse.
    [Show full text]
  • Mud Crab (Scylla Serrata) Population Changes in Koggala Lagoon, Sri Lanka Since Construction of the Groyne System G
    Mud Crab (Scylla serrata) population changes in Koggala Lagoon, Sri Lanka since construction of the groyne system G. P. Amarasekara,1 T. Priyadarshana,1* J. Manatunge,2 N. Tanaka,3 and G. L. Gunaratne4 1Faculty of Fisheries and Marine Sciences and Technology, University of Ruhuna, Matara, Sri Lanka 2Department of Civil Engineering, Faculty of Engineering, University of Moratuwa, Moratuwa, Sri Lanka 3Graduate School of Science and Engineering, Saitama University, 255 Shimo-okubo, Sakura-ku, Saitama 338-8570, Japan 4School of Earth and Environment, University of Western Australia, 35 Stirling Highway, Crawley, Perth, Western Australia *Corresponding author: [email protected]; tilak@fish.ruh.ac.lk This study was conducted to determine the present status of the Mud Crab (Scylla serrata Forskal) population in Koggala Lagoon, including details on size at maturity, sex ratio and carapace width - body weight relationship. This Crab is the most common edible Crab species found in the lagoon, comprising 93.10% of total catch from crab pots and 89.86% of total catch from crab nets. Sex ratios (male:female) were 1:0.86 and 1:0.82 in crab pots and nets, respectively. Female crabs of various sizes were randomly sampled to determine size at maturity. The results indicate that size at maturity of females was 12.17 cm carapace width. Size at maturity of males could not be determined using external characteristics. Population parameters were estimated from length-frequency data collected in 2009 and 2011. Asymptotic carapace length (L1) and growth constant (K) were estimated to be 20.12 cm, 0.91 yr¡1 in 2009 and 19.27 cm, 3.2 yr¡1 in 2011, respectively.
    [Show full text]
  • Pawns of Peace Evaluation of Norwegian Peace Efforts in Sri Lanka, 1997-2009
    Evaluation Department Pawns of Peace Evaluation of Norwegian peace efforts in Sri Lanka, 1997-2009 Report 5/2011 – Evaluation Norad Norwegian Agency for Development Cooperation P.O.Box 8034 Dep, NO-0030 Oslo Ruseløkkveien 26, Oslo, Norway Phone: +47 22 24 20 30 Fax: +47 22 24 20 31 Photos: A9 Artery: The A9 highway remained open in 2004, contributing to the flow of persons and goods between the GOSL-controlled South and the LTTE-controlled North of Sri Lanka – one of the main tangible peace dividends accruing from the signing of the CFA. Source: SLMM Report, 2010 Design: Agendum See Design Print: 07 Xpress AS, Oslo ISBN: 978-82-7548-596-8 Pawns of Peace – Evaluation of Norwegian peace efforts in Sri Lanka, 1997-2009 September 2011 Chr. Michelsen Institute/School of Oriental and African Studies, University of London Gunnar Sørbø Jonathan Goodhand Bart Klem Ada Elisabeth Nissen Hilde Selbervik Responsibility for the contents and presentation of findings and recommendations rest with the evaluation team. The views and opinions expressed in the report do not necessarily correspond with those of Norad. Preface For several years, Norway was involved in efforts to contribute to a peaceful solution to the conflict in Sri Lanka. After the military victory by the Sri Lankan army over the Tamil Tigers (LTTE) in May 2009, Norway no longer had a role to play. This evaluation of Norwegian peace efforts in Sri Lanka was commissioned mainly for the purpose of informing international peace efforts. The evaluation team was asked to analyze Norway’s role as a peace facilitator in Sri Lanka 1997 – 2009, in light of the knowledge and opportunities available at the time.
    [Show full text]
  • Development Plan for Greater Galle Area 2019 - 2030
    DEVELOPMENT PLAN FOR GREATER GALLE AREA 2019 - 2030 Part I Urban Development Authority District office - Galle I Minister’s forward ii Local Authority Chairman’s Foreword iii Preface Cities are changing; therefore, the emerging trends of development requires to find innovative solutions to meet the changes well. The Urban Development itself also means responsibility for future generations through innovations. Galle as one of the rapidly growing cities in the region as well as in Sri Lanka, the spatial structure of the city also being subjected to changes over the time by expanding the growth towards outer city. This scenario has made significant changes in the city structure and the development. Therefore, in this context, Greater Galle Development Plan will be an instrument that offers visionary, intelligent solutions for the future-oriented development of Greater Galle to the questions arise today and that will arise in the future. The plan was developed as a part of broad discussion process among policymakers, administrators, the scientific and business communities, residents and special interest groups. Since the aim of the development plan was to create a city for the people and where they want to live, not where they live because they have to. iv Acknowledgement Its’s a great privilege to express the feeling of our gratitude for the people who were backing the success in preparing the Greater Galle Development Plan 2019-2030. First and foremost, we would like to thank the Mayor and the commissioner of Galle Municipal Council and chairmen and the secretaries of Bope-Poddala, Akmeemana and Habaraduwa Pradeshiya Sabhas along with the members of the staff for extending their extreme support to successfully complete the Greater Galle Development Plan 2030.
    [Show full text]
  • SRI LANKA Post-Tsunami Environmental Assessment
    SRI LANKA Post-Tsunami Environmental Assessment United Nations Environment Programme and Ministry of Environment & Natural Resources of Sri Lanka Published in October 2005 © 2005 United Nations Environment Programme ISBN: 92-807-2653-6 Job No. DEP/0758/GE Text by: Julian Caldecott and W.R.M.S. Wickremasinghe Graphics by: Global Resource Information Database (GRID) Arendal/Viktor Novikov and Central Environ- mental Authority (CEA) Design by: Nikki Meith Printer: SADAG France This publication may be reproduced in whole or in part and in any form for educational or non-profit purposes without special permission from the copyright holder provided acknowledgment of the source is made. UNEP would appreciate receiving a copy of any publication that uses this publication as a source. No use of this publication may be made for resale or for any other commercial purpose whatsoever without prior permission in writing from UNEP. The designation of geographical entities in this report, and the presentation of the material herein, do not imply the expression of any opinion whatsoever on the part of the publisher or the participating organisations concerning the legal status of any country, territory or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries. United Nations Environment Programme Asian Tsunami Disaster Task Force 11-13, Chemin des Anémones CH-1219 Châtelaine, Geneva Tel. : +41 (0)22 917 8615 Fax: +41 (0)22 917 8988 http://www.unep.org/tsunami/ Ministry of Environment and Natural Resources ‘Sampathpaya’ No. 82, Rajamalwatte Road Battaramulla, Sri Lanka Tel. : +94112863652 Fax : +94112863652 http://www.menr.lk/ Cover: Parts of Sri Lanka’s coast were protected from the tsunami by high, vegetated sand dunes.
    [Show full text]
  • Lagoons of Sri Lanka: from the Origins to the Present
    Lagoons of Sri Lanka: From the Origins to the Present E. I. L. Silva, J. Katupotha, O. Amarasinghe, H. Manthrithilake and Ranjith Ariyaratna Lagoons of Sri Lanka: From the Origins to the Present E. I. L. Silva, J. Katupotha, O. Amarasinghe, H. Manthrithilake and Ranjith Ariyaratna The authors: Professor E.I.L. Silva is a Visiting Professor at the Limnology/Zoology Department of the University of Sri Jayawardenapura, Sri Lanka, and at the University of Ruhuna, Sri Lanka; Professor J. Katupotha is at the Department of Geography, University of Sri Jayawardenapura, Sri Lanka; Professor O. Amarasinghe is at the Sociology Department, University of Ruhuna, Sri Lanka; Dr. H. Manthrithilake is Head, Sri Lanka Development Initiative at the International Water Management Institute (IWMI), Colombo, Sri Lanka; and Mr. Ranjith Ariyaratna is a Consultant with IWMI, Colombo, Sri Lanka, and was Benchmark Basin Coordinator with the Institute at the time this report was prepared. Silva, E. I. L.; Katupotha, J.; Amarasinghe, O.; Manthrithilake, H.; Ariyaratna, R. 2013. Lagoons of Sri Lanka: from the origins to the present. Colombo, Sri Lanka: International Water Management Institute (IWMI). 122p. doi: 10.5337/2013.215 / coastal lagoons / hydrology / hydrography / ecosystems / biodiversity / fauna / mangroves / marshes / salinity / geomorphology / species / poverty / fisheries / governance / institutions / legislation / Sri Lanka / ISBN 978-92-9090-778-7 Copyright © 2013, by IWMI. All rights reserved. IWMI encourages the use of its material provided that the organization is acknowledged and kept informed in all such instances. Photos: Cover photo by Prof. J. Katupotha showing fishermen engaged in fishing in the Negombo Lagoon. All photos in the text are by Prof.
    [Show full text]
  • Situation Report-Galle
    CHA SITUATION REPORT SOUTHERN PROVINCE (Galle, Matara, and Hambantota) October 2006 General Situation HAMBANTOTA The Government has already permitted a project to export mineral sand that has been separated from the ordinary sand of the Hambantota beach. A 15km stretch of the beach in Ambalantota Secretarial Division will be used for this project. According to the Department of Beach Preservation, this project is similar to the activities of the Cooperation of Minerals Pulmude. The Sales Authority of Sri Lankan Agriculture Products has commenced the paddy harvest of the Yala season, in the Hambantota District. One kilogramme of paddy called Nadu will be bought at the rate of Rs. 16.50/- per kilogramme and a kilogramme of Samba rice will be bought at the rate of Rs. 17.50/-. Plans are underway to buy a maximum of 2500kg of paddy from each farmer and the money will be paid from the nearest People’s Bank or Rural Development Bank. A special ceremony was held the Residence of Children in Weerawila on behalf of Children’s Day. The home houses a total of one hundred and forty–eight children who lost their parents in the tsunami. CHA and CRC jointly organised a similar programme at Gonnoruwa and Badagiriya. Asura FM and Save the Children supported in organising the programme. MATARA There were no major issues of concern in Matara until the LTTE suicide attack took place in Galle, which created a certain amount of tension in the district. The situation has settled and people are carrying out their daily activities as previously.
    [Show full text]
  • Galle Report.Pdf
    1 CONTENTS Page 1. Introduction 01 2. Objectives 02 3. Methodology 02 4. Area and Boundary 02 5. Location and Accessibility 03 6. Climate 04 7. Physiography and Drainage 04 8. Outline of Geology 05 9. Construction Raw Materials 07 9.1 Types of Raw materials and Types of Data Acquired 07 9.1.1 Rock Occurrences 08 9.1.2 Gravel/Soil Occurrences 12 10. Conclusions 14 10.1 Rocks 14 10.2 Sand/Soil/Gravel 14 11. Recommendations 15 11.1 Rocks 15 11.2 Sand/Soil/ Gravel 15 12. Acknowledgements 16 13. References 17 List of Annexes 1. Details of Rock Occurrences – Galle District 2. Details of Soil/Gravel Occurrences – Galle District 2 1. Introduction Over the past two decades, state as well as private sector organizations initiated rapid development work throughout the country in a large scale. Of these projects, Port City development project, construction of expressways (i.e. Northern and Central expressways, extension of Southern expressway to Hambantota and Mattala), extension of Southern Railway line from Matara to Kataragama and construction of a massive building complex for the Ministry of Defense and Three Forces Head Quarters in Pelawatta and other government office complexes in Battaramulla, construction of irrigation and hydro power projects in many parts of the country, construction of multi storied apartment complexes in urban and suburban areas, are the most significant. For these projects, huge quantities of building raw materials (sand, rock and soil / gravel) are required. Being the regulatory authority on Mines and Minerals Act No. 33 of 1992 and amended Act No.
    [Show full text]
  • Matara, Sri Lanka Destination Guide
    Matara, Sri Lanka Destination Guide Overview of Matara Matara is the largest city on Sri Lanka's south coast and at the end of the railway line from Colombo. Today it is an no-fuss commercial hub where visitors can experience the day-to-day life of urban Sri Lanka, within reach of some gorgeous beaches. In past centuries it was a thriving port, central to the spice and gem trade with the East and Holland and Matara was originally established on a narrow peninsula in the Nilwala River, which was fortified by the Dutch. The original walls still stand, containing some rather dilapidated old buildings dating from the Dutch colonial era. The town also contains a number of beautiful temples, including the enormous Buddha of the Weherahena Temple; and the oldest and most beautiful lighthouse in Sri Lanka, located at Point Dondra. Matara was severely damaged by the 2004 tsunami; however, the city has recovered from this tragedy and there are plenty of interesting markets and shops, as well as some good restaurants to explore. Matara is scenically attractive, surrounded by paddy fields and tea estates on the fertile river floodplain. The area also boasts some sandy, safe beaches with coral reefs good for snorkelling (although hungry crocodiles mean swimmers should stay out of the Nilwala River). These regional assets have ensured that the city is a popular tourist destination, far removed from the sometimes troubled north of the island, where civil unrest remains a possibility. Key Facts Language: Most people speak Sinhala, which is the national and official language.
    [Show full text]
  • PART FOUR: the Southern Maritime Region: from the Nilvala Ganga To
    ICOMOS Sri Lanka Preliminary Survey of Tsunami-affected Monuments and Sites in the Maritime Region of Sri Lanka PART FOUR: The Southern Maritime Region: from the Nilvala Ganga to the Gin Ganga Prof. S. Manawadu and The ACOMAS Unit of the Department of Architecture University of Moratuwa March 2005 Contents page Preliminary Survey of Tsunami-affected Monuments and Sites in the Maritime Region of Sri Lanka - The Southern Maritime Region from the Nilvala Ganga to the Gin Ganga I The cost estimate for conservation/repair work IV Cultural property in the Galle District Severely affected 01 Moderately affected 15 Not affected 20 Cultural property in the Matara District Severely affected 40 Moderately affected 48 Not affected 59 Annexure An archaeological survey of tsunami affected historic structures in the Municipality of Galle, Sri Lanka. Preliminary Survey of Tsunami-affected Monuments and Sites in the Maritime Region of Sri Lanka - The Southern Maritime Region from the Nilvala Ganga to the Gin Ganga Results of the Tsunami Impact Assessment Survey conducted by the ACOMAS Unit of the Department of Architecture, University of Moratuwa 1.0 INTRODUCTION: ICOMOS Sri Lanka (The Sri Lanka National Committee of the International Council on Monuments and Sites) assigned the Faculty of Architecture, University of Moratuwa, Sri Lanka to examine, evaluate, and, report on the impact of the tsunami on cultural properties lying between two river basins, namely the River Nilavala flowing to the sea from Matara; and the river Ginganga, flowing to the sea from Galle. Part of the land under reference belongs to the District of Matara, and the other part to the District of Galle, both of which were severely affected by the unprecedented tsunami on 26 December 2004.
    [Show full text]
  • Koggala Export Processing Zone PPIE - Public Manufacturing Enterprise'
    T E TAR:SRI 23426 This Report has been prepared for ASIAN DEVELOPMENT BANK the exclusive use of the Bank. Disclaimer : the PDF file attachment may not contain the complete text index. For documents generated from scanned hard-copies, there may be portions of viewable text that cannot be copied as selectable text as this is dependent on the quality of scanned documents. CURRENCY EQUIVALENTS (As of 30 June 1990) Currency Unit Sri Lankan Rupee (SRs) $ 1.00 Rs 39.78 SRs 1.00 $0.02516 For the purpose of calculation In the Report, a rate of $ 1.00 Rs 40.00 has been used. This was the rate generally prevailing during the time the Technical Assistance was formulated. ABBREVIATIONS EPZ - Export Processing Zone OCEC - Greater Colombo Economic Commission IPC - Industrial Policy Committee KGEPZ - Koggala Export Processing Zone PPIE - Public Manufacturing Enterprise'. PTC - Presidential Tariff Commission •I'ì141 (1) In this Report, "$" refers to US dollars. (ii) The fiscal year of the Government coincides with the caleñdar year. Disclaimer : the PDF file attachment may not contain the complete text index. For documents generated from scanned hard-copies, there may be portions of viewable text that cannot be copied as selectable text as this is dependent on the quality of scanned documents. (i) I SRI LANKA -4 C LOCATION OF THE PROPOSED KOGGALA EXPORT PROCESSING ZONE (KGEPZ) .4 N. --.-- / SRI LANKA '.----- / ).., ' .c \ (OEIYAYA - . Eityi IC! COLOCO GALLE DISTRICT MOAWAA y , MATARA DI5T ICT '--- tryCd.no loot o.-l.' OCE.j AKIESSA AkmHnuol H.I4m.o GAI.Lt / I.ACOLZO —-- OGGALA MATAA 0 Kiometer PROPOSED LAYOUT OF THE KGEPZ .
    [Show full text]
  • Some Hydrographic Aspects of Koggala Lagoon with Preliminary Results on Distribution of the Marine Bivalve Saccostrea Forskalli: Pre-Tsunami Status
    RUHUNA JOURNAL OF SCIENCE Vol. 1, September 2006, pp. 16–23 http://www.ruh.ac.lk/rjs/ issn 1800-279X © 2006 Faculty of Science University of Ruhuna. Some Hydrographic aspects of Koggala Lagoon with preliminary results on distribution of the marine bivalve Saccostrea forskalli: pre-tsunami status K. B. Suneetha Gunawickrama and E. P. S. Chandana Department of Zoology, Faculty of Science, University of Ruhuna, Matara, Sri Lanka, [email protected] Selected hydrographic parameters of Koggala lagoon over a period of four months in 2002- 2003 are reported together with the preliminary results on the distribution of a marine bivalve within lagoon. Such data prior to the December 2004 tsunami may provide back- ground information for comparison of post-tsunami conditions. Moderate yet significant variation in most physico-chemical parameters was found among selected sites. Mean salinity decreased from 34.0 ppt at the mouth to 11.4 ppt at 2150 m into the lagoon indicating pronounced seawater influx and mixing with freshwater. Monthly inter-site variation in salinity was statistically significant (p<0.05). The marine bivalve Saccostrea 2 forskalli (Chemnitz) was the dominant benthic mollusk with numbers (per m ) ranging from 111.5±9.7 at lagoon mouth to 23.5±2.1 at 2150m inner lagoon. Density distribution of S. forskalli was significantly correlated (p<0.05) with the overall variation in salinity (r=0.889). Salinity-dependent colonization success of S. forskalli demonstrates the domi- nance of marine conditions in Koggala lagoon. Key words : Koggala lagoon, hydrography, Saccostrea, seawater influx, lagoon dynamics. 1. Introduction.
    [Show full text]