{"id":1177,"date":"2026-09-28T05:02:12","date_gmt":"2026-09-28T05:02:12","guid":{"rendered":"https:\/\/fsc.jfn.ac.lk\/?page_id=1177"},"modified":"2026-10-22T17:55:45","modified_gmt":"2026-10-22T17:55:45","slug":"dr-nadarajah-ragavan","status":"publish","type":"page","link":"https:\/\/fsc.jfn.ac.lk\/index.php\/dr-nadarajah-ragavan\/","title":{"rendered":"Dr. Nadarajah Ragavan"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1177\" class=\"elementor elementor-1177\">\n\t\t\t\t<div class=\"elementor-element elementor-element-69e7a11 e-flex e-con-boxed e-con e-parent\" data-id=\"69e7a11\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dfbb0ab elementor-widget elementor-widget-html\" data-id=\"dfbb0ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!-- ============================================================\r\n     DEPARTMENT OF FISHERIES \u2014 INDIVIDUAL PROFILE PAGE HEADER\r\n     Paste this into an Elementor \"HTML\" widget at the TOP of each\r\n     person's individual profile page (the pages your \"View Profile\"\r\n     links on the Faculty & Staff page will point to).\r\n\r\n     >>> FOR FUTURE EDITORS WITH NO CODING EXPERIENCE <<<\r\n     This is a REUSABLE TEMPLATE \u2014 one copy per person. For each\r\n     new profile page, duplicate this whole file and edit the\r\n     EDIT- marked spots: photo, tags, name, role, bio, email, and\r\n     LinkedIn link.\r\n     ============================================================ -->\r\n\r\n<style>\r\n  .dof-profile-hero {\r\n    font-family: Arial, Helvetica, sans-serif;\r\n    background: linear-gradient(135deg, #0e2a4d 0%, #1a4a72 100%);\r\n    padding: 30px 40px 60px;\r\n  }\r\n\r\n  .dof-profile-back {\r\n    display: inline-flex;\r\n    align-items: center;\r\n    gap: 8px;\r\n    color: #ffffff;\r\n    text-decoration: none;\r\n    font-size: 15px;\r\n    margin-bottom: 30px;\r\n  }\r\n\r\n  .dof-profile-back:hover { text-decoration: underline; }\r\n\r\n  .dof-profile-back svg {\r\n    width: 16px;\r\n    height: 16px;\r\n    fill: none;\r\n    stroke: #ffffff;\r\n    stroke-width: 2;\r\n  }\r\n\r\n  .dof-profile-grid {\r\n    max-width: 1200px;\r\n    margin: 0 auto;\r\n    display: grid;\r\n    grid-template-columns: 340px 1fr;\r\n    gap: 44px;\r\n    align-items: start;\r\n  }\r\n\r\n  @media (max-width: 800px) {\r\n    .dof-profile-grid { grid-template-columns: 1fr; }\r\n  }\r\n\r\n  .dof-profile-photo-wrap {\r\n    width: 100%;\r\n    aspect-ratio: 1 \/ 1;\r\n    border-radius: 16px;\r\n    overflow: hidden;\r\n    background: #d9d9d9;\r\n  }\r\n\r\n  .dof-profile-photo-wrap img {\r\n    width: 100%;\r\n    height: 100%;\r\n    object-fit: cover;\r\n    display: block;\r\n  }\r\n\r\n  .dof-profile-tags {\r\n    display: flex;\r\n    flex-wrap: wrap;\r\n    gap: 10px;\r\n    margin-bottom: 18px;\r\n  }\r\n\r\n  .dof-profile-tag {\r\n    font-size: 13px;\r\n    font-weight: 700;\r\n    padding: 7px 16px;\r\n    border-radius: 999px;\r\n    background: rgba(255,255,255,0.14);\r\n    color: #ffffff;\r\n  }\r\n\r\n  .dof-profile-tag.dof-tag-role {\r\n    background: rgba(31, 182, 168, 0.25);\r\n    color: #6fe3d4;\r\n  }\r\n\r\n  .dof-profile-name {\r\n    font-family: Georgia, 'Times New Roman', serif;\r\n    font-size: 42px;\r\n    font-weight: 800;\r\n    color: #ffffff;\r\n    line-height: 1.15;\r\n    margin-bottom: 10px;\r\n  }\r\n\r\n  .dof-profile-role {\r\n    font-size: 16px;\r\n    font-weight: 700;\r\n    color: #6fe3d4;\r\n    margin-bottom: 22px;\r\n  }\r\n\r\n  .dof-profile-bio {\r\n    font-size: 15.5px;\r\n    line-height: 1.7;\r\n    color: #cfe0f2;\r\n    max-width: 720px;\r\n    margin-bottom: 28px;\r\n  }\r\n\r\n  .dof-profile-actions {\r\n    display: flex;\r\n    flex-wrap: wrap;\r\n    gap: 12px;\r\n  }\r\n\r\n  .dof-profile-btn {\r\n    display: inline-flex;\r\n    align-items: center;\r\n    gap: 8px;\r\n    background: rgba(255,255,255,0.12) !important;\r\n    color: #ffffff !important;\r\n    font-weight: 700;\r\n    font-size: 14px;\r\n    padding: 12px 20px;\r\n    border-radius: 8px;\r\n    text-decoration: none !important;\r\n    border: 1px solid rgba(255,255,255,0.25);\r\n    transition: background 0.2s ease, transform 0.2s ease;\r\n  }\r\n\r\n  .dof-profile-btn:hover {\r\n    background: rgba(255,255,255,0.22) !important;\r\n    transform: translateY(-2px);\r\n  }\r\n\r\n  .dof-profile-btn svg {\r\n    width: 15px;\r\n    height: 15px;\r\n    fill: none;\r\n    stroke: #ffffff;\r\n    stroke-width: 2;\r\n  }\r\n\r\n  @media (max-width: 600px) {\r\n    .dof-profile-name { font-size: 30px; }\r\n  }\r\n<\/style>\r\n\r\n<div class=\"dof-profile-hero\">\r\n\r\n  <!-- EDIT-BACK-LINK: point this to the Faculty & Staff page -->\r\n  <a href=\"https:\/\/fsc.jfn.ac.lk\/index.php\/staff\/\" class=\"dof-profile-back\">\r\n    <svg viewBox=\"0 0 24 24\"><path d=\"M19 12H5M11 18l-6-6 6-6\"\/><\/svg>\r\n    Back to Team\r\n  <\/a>\r\n\r\n  <div class=\"dof-profile-grid\">\r\n\r\n    <div class=\"dof-profile-photo-wrap\">\r\n      <img decoding=\"async\" src=\"https:\/\/fsc.jfn.ac.lk\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-22-at-17.41.44.jpeg\" alt=\"Dr. Nadarajah Ragavan\">\r\n    <\/div>\r\n\r\n    <div>\r\n      <div class=\"dof-profile-tags\">\r\n        <span class=\"dof-profile-tag dof-tag-role\"><!-- EDIT-ROLE-TAG -->Researcher<\/span>\r\n        <span class=\"dof-profile-tag\"><!-- EDIT-SPECIALTY-TAG -->Marine Biology, Shelfish Biology & Culture<\/span>\r\n      <\/div>\r\n\r\n      <h1 class=\"dof-profile-name\"><!-- EDIT-NAME -->Dr. Nadarajah Ragavan <\/h1>\r\n      <div class=\"dof-profile-role\"><!-- EDIT-ROLE -->Senior Lecturer Gr II<\/div>\r\n\r\n      <p class=\"dof-profile-bio\">\r\n        <!-- EDIT-BIO -->N. Ragavan is a Senior Lecturer in the Department of Fisheries, University of Jaffna, Sri Lanka. His academic and research interests centre on fisheries science, fisheries management, and the sustainable use of aquatic resources, with particular emphasis on fish and shrimp population dynamics, stock assessment, small-scale fisheries, and fisheries livelihoods. His research has focused extensively on the Jaffna Lagoon and the Palk Bay region, addressing fisheries status, fishing impacts, community livelihoods, and fishers\u2019 perspectives in support of sustainable fisheries management.\r\n      <\/p>\r\n\r\n      <div class=\"dof-profile-actions\">\r\n        <a href=\"mailto:ragavan@univ.jfn.ac.lk\" class=\"dof-profile-btn\">\r\n          <svg viewBox=\"0 0 24 24\"><path d=\"M4 4h16a2 2 0 012 2v12a2 2 0 01-2 2H4a2 2 0 01-2-2V6a2 2 0 012-2zm16 4l-8 5-8-5\"\/><\/svg>\r\n          Email\r\n        <\/a>\r\n        <a href=\"EDIT-LINKEDIN-URL\" class=\"dof-profile-btn\" target=\"_blank\" rel=\"noopener\">\r\n          <svg viewBox=\"0 0 24 24\"><path d=\"M4.98 3.5a2.5 2.5 0 11-.02 5 2.5 2.5 0 01.02-5zM3 9h4v12H3zM10 9h3.8v1.7h.05c.53-1 1.83-2 3.77-2 4.03 0 4.78 2.65 4.78 6.1V21h-4v-5.6c0-1.34-.02-3.06-1.87-3.06-1.87 0-2.16 1.46-2.16 2.96V21h-4z\"\/><\/svg>\r\n          LinkedIn\r\n        <\/a>\r\n      <\/div>\r\n    <\/div>\r\n\r\n  <\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a011640 e-flex e-con-boxed e-con e-parent\" data-id=\"a011640\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8f24ef1 elementor-widget elementor-widget-html\" data-id=\"8f24ef1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!-- ============================================================\r\n     DEPARTMENT OF FISHERIES \u2014 PROFILE PAGE: SIDEBAR + TABBED CONTENT\r\n     Dr. Nadarajah Ragavan\r\n     Paste this into an Elementor \"HTML\" widget right below the\r\n     profile page header\/hero section.\r\n     ============================================================ -->\r\n\r\n<style>\r\n  .dof-profile-body {\r\n    font-family: Arial, Helvetica, sans-serif;\r\n    background: #f8fafc;\r\n    padding: 50px 40px 80px;\r\n  }\r\n\r\n  .dof-profile-body-grid {\r\n    max-width: 1200px;\r\n    margin: 0 auto;\r\n    display: grid;\r\n    grid-template-columns: 300px 1fr;\r\n    gap: 30px;\r\n    align-items: start;\r\n  }\r\n\r\n  @media (max-width: 800px) {\r\n    .dof-profile-body-grid { grid-template-columns: 1fr; }\r\n  }\r\n\r\n  \/* ---- Sidebar cards ---- *\/\r\n  .dof-side-card {\r\n    background: #ffffff;\r\n    border: 1px solid #e7ecf2;\r\n    border-radius: 14px;\r\n    padding: 22px;\r\n    margin-bottom: 22px;\r\n  }\r\n\r\n  .dof-side-card-head {\r\n    display: flex;\r\n    align-items: center;\r\n    gap: 12px;\r\n    margin-bottom: 16px;\r\n  }\r\n\r\n  .dof-side-icon {\r\n    width: 34px;\r\n    height: 34px;\r\n    border-radius: 9px;\r\n    display: flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    flex-shrink: 0;\r\n  }\r\n\r\n  .dof-side-icon.dof-icon-green { background: #e3f9ee; }\r\n  .dof-side-icon.dof-icon-amber { background: #fdf1dc; }\r\n\r\n  .dof-side-icon svg {\r\n    width: 17px;\r\n    height: 17px;\r\n    fill: none;\r\n    stroke-width: 2;\r\n  }\r\n\r\n  .dof-icon-green svg { stroke: #1fb67d; }\r\n  .dof-icon-amber svg { stroke: #e0a132; }\r\n\r\n  .dof-side-card-title {\r\n    font-size: 15.5px;\r\n    font-weight: 700;\r\n    color: #12335c;\r\n  }\r\n\r\n  .dof-side-tags {\r\n    display: flex;\r\n    flex-wrap: wrap;\r\n    gap: 8px;\r\n  }\r\n\r\n  .dof-tag-pill {\r\n    font-size: 12.5px;\r\n    font-weight: 600;\r\n    padding: 6px 13px;\r\n    border-radius: 999px;\r\n  }\r\n\r\n  .dof-tag-pill.dof-tag-green { background: #e3f9ee; color: #17945f; }\r\n  .dof-tag-pill.dof-tag-blue  { background: #eaf1fd; color: #2563eb; }\r\n\r\n  \/* ---- Tab bar ---- *\/\r\n  .dof-tab-bar {\r\n    display: flex;\r\n    flex-wrap: wrap;\r\n    gap: 10px;\r\n    margin-bottom: 24px;\r\n  }\r\n\r\n  .dof-tab-btn {\r\n    display: inline-flex;\r\n    align-items: center;\r\n    gap: 8px;\r\n    font-size: 14px;\r\n    font-weight: 700;\r\n    color: #64748b;\r\n    background: #ffffff;\r\n    border: 1px solid #e7ecf2;\r\n    padding: 10px 18px;\r\n    border-radius: 10px;\r\n    cursor: pointer;\r\n    transition: background 0.2s ease, color 0.2s ease;\r\n  }\r\n\r\n  .dof-tab-btn svg {\r\n    width: 15px;\r\n    height: 15px;\r\n    fill: none;\r\n    stroke: currentColor;\r\n    stroke-width: 2;\r\n  }\r\n\r\n  .dof-tab-btn.dof-tab-active {\r\n    background: #2563eb !important;\r\n    color: #ffffff !important;\r\n    border-color: #2563eb !important;\r\n  }\r\n\r\n  \/* ---- Tab panels ---- *\/\r\n  .dof-tab-panel { display: none; }\r\n  .dof-tab-panel.dof-panel-active { display: block; }\r\n\r\n  .dof-panel-title {\r\n    display: flex;\r\n    align-items: center;\r\n    gap: 10px;\r\n    font-size: 18px;\r\n    font-weight: 800;\r\n    color: #12335c;\r\n    margin-bottom: 18px;\r\n  }\r\n\r\n  .dof-panel-title-icon {\r\n    width: 32px;\r\n    height: 32px;\r\n    border-radius: 8px;\r\n    background: #eaf1fd;\r\n    display: flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n  }\r\n\r\n  .dof-panel-title-icon svg {\r\n    width: 16px;\r\n    height: 16px;\r\n    fill: none;\r\n    stroke: #2563eb;\r\n    stroke-width: 2;\r\n  }\r\n\r\n  .dof-pub-entry {\r\n    display: flex;\r\n    align-items: flex-start;\r\n    gap: 18px;\r\n    background: #ffffff;\r\n    border: 1px solid #e7ecf2;\r\n    border-radius: 12px;\r\n    padding: 18px 20px;\r\n    margin-bottom: 14px;\r\n  }\r\n\r\n  .dof-pub-entry:last-child { margin-bottom: 0; }\r\n\r\n  .dof-pub-year {\r\n    flex-shrink: 0;\r\n    background: #eaf1fd;\r\n    color: #2563eb;\r\n    font-weight: 700;\r\n    font-size: 13px;\r\n    padding: 6px 12px;\r\n    border-radius: 8px;\r\n    white-space: nowrap;\r\n  }\r\n\r\n  .dof-pub-entry-title {\r\n    font-size: 14.5px;\r\n    font-weight: 700;\r\n    color: #12335c;\r\n    line-height: 1.45;\r\n    margin-bottom: 5px;\r\n  }\r\n\r\n  .dof-pub-entry-source {\r\n    font-size: 13px;\r\n    color: #94a3b8;\r\n  }\r\n\r\n  \/* ---- External profile links row (Publications tab) ---- *\/\r\n  .dof-external-links {\r\n    display: flex;\r\n    flex-wrap: wrap;\r\n    gap: 10px;\r\n    margin-bottom: 18px;\r\n  }\r\n\r\n  .dof-external-link {\r\n    display: inline-flex;\r\n    align-items: center;\r\n    gap: 8px;\r\n    font-size: 13.5px;\r\n    font-weight: 700;\r\n    color: #2563eb;\r\n    background: #eaf1fd;\r\n    border: 1px solid #d5e3fb;\r\n    padding: 9px 16px;\r\n    border-radius: 10px;\r\n    text-decoration: none;\r\n    transition: background 0.2s ease;\r\n  }\r\n\r\n  .dof-external-link:hover { background: #d5e3fb; }\r\n\r\n  .dof-external-link svg {\r\n    width: 15px;\r\n    height: 15px;\r\n    fill: none;\r\n    stroke: currentColor;\r\n    stroke-width: 2;\r\n    flex-shrink: 0;\r\n  }\r\n<\/style>\r\n\r\n<div class=\"dof-profile-body\">\r\n  <div class=\"dof-profile-body-grid\">\r\n\r\n    <!-- ========== SIDEBAR ========== -->\r\n    <div>\r\n      <div class=\"dof-side-card\">\r\n        <div class=\"dof-side-card-head\">\r\n          <div class=\"dof-side-icon dof-icon-green\">\r\n            <svg viewBox=\"0 0 24 24\"><path d=\"M9 18h6M10 21h4M12 3a6 6 0 00-4 10.5c.6.6 1 1.4 1 2.5h6c0-1.1.4-1.9 1-2.5A6 6 0 0012 3z\"\/><\/svg>\r\n          <\/div>\r\n          <div class=\"dof-side-card-title\">Research Interests<\/div>\r\n        <\/div>\r\n        <div class=\"dof-side-tags\">\r\n          <span class=\"dof-tag-pill dof-tag-green\">Fisheries Stock Assessment and Population Dynamics<\/span>\r\n          <span class=\"dof-tag-pill dof-tag-green\">Fisheries Management<\/span>\r\n          <span class=\"dof-tag-pill dof-tag-green\">Small-Scale Fisheries<\/span>\r\n          <span class=\"dof-tag-pill dof-tag-green\">Fisheries Livelihoods<\/span>\r\n          <span class=\"dof-tag-pill dof-tag-green\">Ecosystem Approach to Fisheries Management<\/span>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n\r\n    <!-- ========== MAIN: TABS ========== -->\r\n    <div>\r\n\r\n      <div class=\"dof-tab-bar\" id=\"dofTabBar\">\r\n        <button class=\"dof-tab-btn\" data-tab=\"academic\">\r\n          <svg viewBox=\"0 0 24 24\"><circle cx=\"12\" cy=\"8\" r=\"3.5\"\/><path d=\"M5 20c0-4 3-6.5 7-6.5s7 2.5 7 6.5\"\/><\/svg>\r\n          Academic Profile\r\n        <\/button>\r\n        <button class=\"dof-tab-btn\" data-tab=\"admin\">\r\n          <svg viewBox=\"0 0 24 24\"><rect x=\"3\" y=\"7\" width=\"18\" height=\"13\" rx=\"2\"\/><path d=\"M8 7V5a2 2 0 012-2h4a2 2 0 012 2v2\"\/><\/svg>\r\n          Admin Roles\r\n        <\/button>\r\n        <button class=\"dof-tab-btn dof-tab-active\" data-tab=\"publications\">\r\n          <svg viewBox=\"0 0 24 24\"><path d=\"M4 4.5A2.5 2.5 0 016.5 2H20v18H6.5A2.5 2.5 0 004 22.5v-18z\"\/><path d=\"M4 4.5v16a2.5 2.5 0 002.5 2.5H20\"\/><\/svg>\r\n          Publications\r\n        <\/button>\r\n        <button class=\"dof-tab-btn\" data-tab=\"teaching\">\r\n          <svg viewBox=\"0 0 24 24\"><path d=\"M22 10L12 5 2 10l10 5 10-5z\"\/><path d=\"M6 12v5c0 1.5 3 3 6 3s6-1.5 6-3v-5\"\/><\/svg>\r\n          Teaching\r\n        <\/button>\r\n      <\/div>\r\n\r\n      <!-- ACADEMIC PROFILE -->\r\n      <div class=\"dof-tab-panel\" data-panel=\"academic\">\r\n        <div class=\"dof-panel-title\">\r\n          <div class=\"dof-panel-title-icon\"><svg viewBox=\"0 0 24 24\"><circle cx=\"12\" cy=\"8\" r=\"3.5\"\/><path d=\"M5 20c0-4 3-6.5 7-6.5s7 2.5 7 6.5\"\/><\/svg><\/div>\r\n          Academic Profile\r\n        <\/div>\r\n        <div class=\"dof-pub-entry\">\r\n          <div class=\"dof-pub-year\">Ph.D<\/div>\r\n          <div>\r\n            <div class=\"dof-pub-entry-title\">Ph.D. in Zoology<\/div>\r\n            <div class=\"dof-pub-entry-source\">University of Sri Jayewardenepura, Sri Lanka (2022\u20132025)<\/div>\r\n          <\/div>\r\n        <\/div>\r\n        <div class=\"dof-pub-entry\">\r\n          <div class=\"dof-pub-year\">MSc<\/div>\r\n          <div>\r\n            <div class=\"dof-pub-entry-title\">M.Sc. in Fisheries and Aquatic Resources Management<\/div>\r\n            <div class=\"dof-pub-entry-source\">University of Sri Jayewardenepura, Sri Lanka (2017\u20132020)<\/div>\r\n          <\/div>\r\n        <\/div>\r\n        <div class=\"dof-pub-entry\">\r\n          <div class=\"dof-pub-year\">BSc<\/div>\r\n          <div>\r\n            <div class=\"dof-pub-entry-title\">B.Sc. (Hons) in Biological Sciences, Major in Fisheries Science<\/div>\r\n            <div class=\"dof-pub-entry-source\">University of Jaffna (2010\u20132015)<\/div>\r\n          <\/div>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <!-- ADMIN ROLES -->\r\n      <div class=\"dof-tab-panel\" data-panel=\"admin\">\r\n        <div class=\"dof-panel-title\">\r\n          <div class=\"dof-panel-title-icon\"><svg viewBox=\"0 0 24 24\"><rect x=\"3\" y=\"7\" width=\"18\" height=\"13\" rx=\"2\"\/><path d=\"M8 7V5a2 2 0 012-2h4a2 2 0 012 2v2\"\/><\/svg><\/div>\r\n          Admin Roles\r\n        <\/div>\r\n        <div class=\"dof-pub-entry\">\r\n          <div class=\"dof-pub-year\">2025\u20132026<\/div>\r\n          <div>\r\n            <div class=\"dof-pub-entry-title\">Co-Investigator, BIMReN Twinning Research Grant: Sustaining Fisheries Ecosystem in the Palk Bay Region: Assessing Management Options, Livelihoods, and Fishers' Perspectives<\/div>\r\n            <div class=\"dof-pub-entry-source\">BoBP-IGO, in collaboration with the University of Jaffna, Rajarata University of Sri Lanka, Tamil Nadu Fisheries University, and ICAR\u2013Central Institute of Fisheries Education (January 2025\u2013December 2026)<\/div>\r\n          <\/div>\r\n        <\/div>\r\n        <div class=\"dof-pub-entry\">\r\n          <div class=\"dof-pub-year\">2025<\/div>\r\n          <div>\r\n            <div class=\"dof-pub-entry-title\">Co-Investigator, BOBLME Project, EAFM Plan Development: Scoping and Planning for the Implementation of the Ecosystem Approach to Fisheries Management (EAFM) in Sea Cucumber Fishery in the Mannar\u2013Kilinochchi\u2013Jaffna Districts of Sri Lanka<\/div>\r\n            <div class=\"dof-pub-entry-source\">BoBP-IGO &amp; FAO<\/div>\r\n          <\/div>\r\n        <\/div>\r\n        <div class=\"dof-pub-entry\">\r\n          <div class=\"dof-pub-year\">2021\u20132022<\/div>\r\n          <div>\r\n            <div class=\"dof-pub-entry-title\">Principal Investigator, Quantitative and Qualitative Assessment of Genomic DNA Extracted from Cryptic Sardinella Species with PCR Optimization<\/div>\r\n            <div class=\"dof-pub-entry-source\">University Research Grant, University of Jaffna<\/div>\r\n          <\/div>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <!-- PUBLICATIONS -->\r\n      <div class=\"dof-tab-panel dof-panel-active\" data-panel=\"publications\">\r\n        <div class=\"dof-panel-title\">\r\n          <div class=\"dof-panel-title-icon\"><svg viewBox=\"0 0 24 24\"><path d=\"M4 4.5A2.5 2.5 0 016.5 2H20v18H6.5A2.5 2.5 0 004 22.5v-18z\"\/><path d=\"M4 4.5v16a2.5 2.5 0 002.5 2.5H20\"\/><\/svg><\/div>\r\n          Publications (5)\r\n        <\/div>\r\n        <!-- External profile links -->\r\n        <div class=\"dof-external-links\">\r\n          <a class=\"dof-external-link\" href=\"https:\/\/orcid.org\/0000-0001-9279-9793\" target=\"_blank\" rel=\"noopener\">\r\n            <svg viewBox=\"0 0 24 24\"><circle cx=\"12\" cy=\"12\" r=\"9\"\/><path d=\"M9 8v8M9 8h3.5a2.5 2.5 0 010 5H9M15 8v8\"\/><\/svg>\r\n            ORCID Profile\r\n          <\/a>\r\n          <a class=\"dof-external-link\" href=\"https:\/\/scholar.google.com\/citations?hl=en&amp;user=ia1bo7cAAAAJ\" target=\"_blank\" rel=\"noopener\">\r\n            <svg viewBox=\"0 0 24 24\"><path d=\"M12 3L2 9l10 6 8-4.8V17h2V9L12 3z\"\/><path d=\"M6 11.2V16c0 2 3 4 6 4s6-2 6-4v-4.8\"\/><\/svg>\r\n            Google Scholar\r\n          <\/a>\r\n          <a class=\"dof-external-link\" href=\"https:\/\/www.researchgate.net\/profile\/Ragavan-Nadarajah\" target=\"_blank\" rel=\"noopener\">\r\n            <svg viewBox=\"0 0 24 24\"><circle cx=\"12\" cy=\"12\" r=\"9\"\/><path d=\"M9 16V8h3.2a2.4 2.4 0 010 4.8H9M13.5 16l-2-3.2\"\/><\/svg>\r\n            ResearchGate Profile\r\n          <\/a>\r\n        <\/div>\r\n\r\n        <div class=\"dof-pub-entry\">\r\n          <div class=\"dof-pub-year\">2026<\/div>\r\n          <div>\r\n            <div class=\"dof-pub-entry-title\">Population parameters and waste valorization of triggerfish (Canthidermis maculata): A case study from Sri Lanka<\/div>\r\n            <div class=\"dof-pub-entry-source\">Marine Biology Research, 1\u201315 \u2014 Karunarathne, S., Jayasekara, N.M.S., Samaraweera, V.D., Ragavan, N., Dissanayake, D.C.T. \u2014 DOI: 10.1080\/17451000.2026.2661324<\/div>\r\n          <\/div>\r\n        <\/div>\r\n        <div class=\"dof-pub-entry\">\r\n          <div class=\"dof-pub-year\">2025<\/div>\r\n          <div>\r\n            <div class=\"dof-pub-entry-title\">Shrimp Fishery in the Jaffna Lagoon, Sri Lanka: Ten Years After the Conflict<\/div>\r\n            <div class=\"dof-pub-entry-source\">Asian Fisheries Science, 39: 30\u201345 \u2014 Ragavan, N., Kuganathan, S., Dissanayake, D.C.T.<\/div>\r\n          <\/div>\r\n        <\/div>\r\n        <div class=\"dof-pub-entry\">\r\n          <div class=\"dof-pub-year\">2025<\/div>\r\n          <div>\r\n            <div class=\"dof-pub-entry-title\">Alleviating Poverty in Small-Scale Fisheries: A Sustainable Livelihood Approach for the Jaffna Lagoon Shrimp Fishing Community<\/div>\r\n            <div class=\"dof-pub-entry-source\">Vingnanam Journal of Science, 20 \u2014 Ragavan, N., Kuganathan, S., Dissanayake, D.C.T. \u2014 DOI: 10.4038\/vingnanam.v20i1.4249<\/div>\r\n          <\/div>\r\n        <\/div>\r\n        <div class=\"dof-pub-entry\">\r\n          <div class=\"dof-pub-year\">2025<\/div>\r\n          <div>\r\n            <div class=\"dof-pub-entry-title\">Does shrimp trawling contribute to the decline in sciaenid stocks?<\/div>\r\n            <div class=\"dof-pub-entry-source\">Regional Studies in Marine Science, 81: 103944 \u2014 Jayasekara, N.M.S., Ragavan, N., Dissanayake, D.C.T. \u2014 DOI: 10.1016\/j.rsma.2024.103944<\/div>\r\n          <\/div>\r\n        <\/div>\r\n        <div class=\"dof-pub-entry\">\r\n          <div class=\"dof-pub-year\">2024<\/div>\r\n          <div>\r\n            <div class=\"dof-pub-entry-title\">Effects of juvenile mortality on population dynamics of Penaeus semisulcatus: a case study from Sri Lanka<\/div>\r\n            <div class=\"dof-pub-entry-source\">Fisheries Research, 274: 106991 \u2014 Ragavan, N., Kuganathan, S., Dissanayake, D.C.T. \u2014 DOI: 10.1016\/j.fishres.2024.106991<\/div>\r\n          <\/div>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <!-- TEACHING -->\r\n      <div class=\"dof-tab-panel\" data-panel=\"teaching\">\r\n        <div class=\"dof-panel-title\">\r\n          <div class=\"dof-panel-title-icon\"><svg viewBox=\"0 0 24 24\"><path d=\"M22 10L12 5 2 10l10 5 10-5z\"\/><path d=\"M6 12v5c0 1.5 3 3 6 3s6-1.5 6-3v-5\"\/><\/svg><\/div>\r\n          Teaching\r\n        <\/div>\r\n        <div class=\"dof-pub-entry\">\r\n          <div class=\"dof-pub-year\">Course<\/div>\r\n          <div>\r\n            <div class=\"dof-pub-entry-title\">Fish Biology and Embryology (FIS204G2)<\/div>\r\n            <div class=\"dof-pub-entry-source\">Department of Fisheries, University of Jaffna<\/div>\r\n          <\/div>\r\n        <\/div>\r\n        <div class=\"dof-pub-entry\">\r\n          <div class=\"dof-pub-year\">Course<\/div>\r\n          <div>\r\n            <div class=\"dof-pub-entry-title\">Fisheries Management and Extension (FIS303G2)<\/div>\r\n            <div class=\"dof-pub-entry-source\">Department of Fisheries, University of Jaffna<\/div>\r\n          <\/div>\r\n        <\/div>\r\n        <div class=\"dof-pub-entry\">\r\n          <div class=\"dof-pub-year\">Course<\/div>\r\n          <div>\r\n            <div class=\"dof-pub-entry-title\">Conservation of Fisheries Resources &amp; Law (FIS305G2)<\/div>\r\n            <div class=\"dof-pub-entry-source\">Department of Fisheries, University of Jaffna<\/div>\r\n          <\/div>\r\n        <\/div>\r\n        <div class=\"dof-pub-entry\">\r\n          <div class=\"dof-pub-year\">Course<\/div>\r\n          <div>\r\n            <div class=\"dof-pub-entry-title\">Fisheries Socioeconomics (FIS411M2)<\/div>\r\n            <div class=\"dof-pub-entry-source\">Department of Fisheries, University of Jaffna<\/div>\r\n          <\/div>\r\n        <\/div>\r\n      <\/div>\r\n\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<script>\r\ndocument.addEventListener(\"DOMContentLoaded\", function () {\r\n  var tabBtns = document.querySelectorAll(\"#dofTabBar .dof-tab-btn\");\r\n  var panels = document.querySelectorAll(\".dof-tab-panel\");\r\n\r\n  tabBtns.forEach(function (btn) {\r\n    btn.addEventListener(\"click\", function () {\r\n      var target = btn.getAttribute(\"data-tab\");\r\n\r\n      tabBtns.forEach(function (b) { b.classList.remove(\"dof-tab-active\"); });\r\n      btn.classList.add(\"dof-tab-active\");\r\n\r\n      panels.forEach(function (panel) {\r\n        if (panel.getAttribute(\"data-panel\") === target) {\r\n          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Ragavan is a Senior Lecturer in the Department of Fisheries, University of Jaffna, Sri Lanka. His academic and research interests centre on fisheries science, fisheries management, and the sustainable use of aquatic resources, with particular emphasis on [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ocean_front_end_style_editor":"no","ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","footnotes":""},"class_list":["post-1177","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/fsc.jfn.ac.lk\/index.php\/wp-json\/wp\/v2\/pages\/1177","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fsc.jfn.ac.lk\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/fsc.jfn.ac.lk\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/fsc.jfn.ac.lk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fsc.jfn.ac.lk\/index.php\/wp-json\/wp\/v2\/comments?post=1177"}],"version-history":[{"count":9,"href":"https:\/\/fsc.jfn.ac.lk\/index.php\/wp-json\/wp\/v2\/pages\/1177\/revisions"}],"predecessor-version":[{"id":1768,"href":"https:\/\/fsc.jfn.ac.lk\/index.php\/wp-json\/wp\/v2\/pages\/1177\/revisions\/1768"}],"wp:attachment":[{"href":"https:\/\/fsc.jfn.ac.lk\/index.php\/wp-json\/wp\/v2\/media?parent=1177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}