{"id":140950,"date":"2019-04-05T13:00:59","date_gmt":"2019-04-05T17:00:59","guid":{"rendered":"https:\/\/web.uri.edu\/gso\/?page_id=140950"},"modified":"2025-07-18T11:56:27","modified_gmt":"2025-07-18T15:56:27","slug":"plankton","status":"publish","type":"page","link":"https:\/\/web.uri.edu\/gso\/research\/plankton\/","title":{"rendered":"The Narragansett Bay Long-Term Plankton Time Series"},"content":{"rendered":"<section class=\"cl-wrapper cl-menu-wrapper\"><nav id=\"\" class=\"cl-menu  \" data-name=\"Plankton of Narragansett Bay\" data-show-title=\"0\"><ul id=\"menu-plankton\" class=\"cl-menu-list cl-menu-list-no-js\"><li id=\"menu-item-141238\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-141238\"><a href=\"https:\/\/web.uri.edu\/gso\/research\/plankton\/\">Time Series Overview<\/a><\/li>\n<li id=\"menu-item-141232\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-141232\"><a href=\"https:\/\/web.uri.edu\/gso\/research\/plankton\/weekly-sampling-procedure\/\">Weekly Sampling Procedure<\/a><\/li>\n<li id=\"menu-item-141229\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-141229\"><a href=\"https:\/\/web.uri.edu\/gso\/research\/plankton\/data\/\">Data<\/a><\/li>\n<li id=\"menu-item-142950\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-142950\"><a href=\"https:\/\/web.uri.edu\/gso\/research\/plankton\/additional-resources\/\">Resources<\/a><\/li>\n<li id=\"menu-item-142947\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-142947\"><a href=\"https:\/\/web.uri.edu\/gso\/research\/plankton\/references\/\">References<\/a><\/li>\n<li id=\"menu-item-142944\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-142944\"><a href=\"https:\/\/web.uri.edu\/gso\/research\/plankton\/contact-the-plankton-team\/\">Contact<\/a><\/li>\n<\/ul><\/nav><\/section>\n<section class=\"cl-wrapper cl-hero-wrapper\"><div class=\"cl-hero fullwidth   cl-has-accessibility-controls\"><div class=\"cl-hero-proper\"><div class=\"overlay\"><div class=\"block\"><h1>One of the world's longest-running plankton time series<\/h1><\/div><\/div><div class=\"still\" style=\"background-image:url(https:\/\/web.uri.edu\/wp-content\/uploads\/sites\/916\/plankton-bay.jpg);\"><\/div><div class=\"cl-accessibility-controls-container\"><div class=\"cl-accessibility-controls\"><div class=\"cl-accessibility-icon\" title=\"Accessibility controls\">Accessibility controls<\/div><div class=\"cl-accessibility-control cl-accessibility-motion-control cl-accessibility-control-hidden\"><div class=\"cl-accessibility-control-default\"><div class=\"cl-accessibility-control-button\" title=\"Pause motion\">Pause motion<\/div><div class=\"cl-accessibility-control-label\">Motion: <span class=\"cl-accessibility-syntax\">On<\/span><\/div><\/div><div class=\"cl-accessibility-control-alternate\"><div class=\"cl-accessibility-control-button\" title=\"Play motion\">Play motion<\/div><div class=\"cl-accessibility-control-label\">Motion: <span class=\"cl-accessibility-syntax\">Off<\/span><\/div><\/div><\/div><div class=\"cl-accessibility-control cl-accessibility-contrast-control\"><div class=\"cl-accessibility-control-default\"><div class=\"cl-accessibility-control-button\" title=\"Increase text contrast\">Increase text contrast<\/div><div class=\"cl-accessibility-control-label\">Contrast: <span class=\"cl-accessibility-syntax\">Standard<\/span><\/div><\/div><div class=\"cl-accessibility-control-alternate\"><div class=\"cl-accessibility-control-button\" title=\"Reset text contrast\">Reset text contrast<\/div><div class=\"cl-accessibility-control-label\">Contrast: <span class=\"cl-accessibility-syntax\">High<\/span><\/div><\/div><\/div><div class=\"cl-accessibility-system-setting\"><div class=\"cl-accessibility-toggle\" title=\"Apply my preferences site-wide\"><\/div><div class=\"cl-accessibility-toggle-label\">Apply site-wide<\/div><\/div><\/div><\/div><\/div><\/div><\/section>\n<div class=\"feature-caption\"><i>Eucampia zodiacus<\/i> and <i>Ditylum brightwellii<\/i> from Narragansett Bay.<\/div>\n<p class=\"type-intro fullwidth\">Narragansett Bay Long-Term Plankton Time Series is one of the world\u2019s longest-running plankton surveys. Beginning in 1957, weekly samples have been collected to assess the phytoplankton community and characterize the physical parameters of Narragansett Bay.<\/p>\n<div class=\"cl-tiles halves\">\n<div>\n<h2>Plankton Supervisor<\/h2>\n<div class=\"uri-people-tool\"><div class=\"peopleitem h-card has-thumbnail\">\n\t<header>\n\t\t<div class=\"header\">\n\t\t\t\t\t\t<figure>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/web.uri.edu\/gso\/meet\/tatiana-rynearson\/\"><img loading=\"lazy\" decoding=\"async\" width=\"364\" height=\"364\" src=\"https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/rynearson-500px-b-364x364.jpg\" class=\"u-photo third_column wp-post-image\" alt=\"\" srcset=\"https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/rynearson-500px-b-364x364.jpg 364w, https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/rynearson-500px-b-300x300.jpg 300w, https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/rynearson-500px-b.jpg 500w\" sizes=\"auto, (max-width: 364px) 100vw, 364px\" \/><\/a>\n\t\t\t\t\t\t\t<\/figure>\n\t\t\t\n\t\t\t\t\t\t\t<h3 class=\"p-name\"><a href=\"https:\/\/web.uri.edu\/gso\/meet\/tatiana-rynearson\/\">Tatiana Rynearson<\/a><\/h3>\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t<\/header>\n\t<div class=\"inside\">\n\n\t\t<p class=\"people-title p-job-title\">Professor of Oceanography<\/p>\n\t\t\n\t\t\t\t<p class=\"people-department\">Biological Oceanography<\/p>\n\t\t\n\t\t\n\t\t\t\t\t<p class=\"people-misc\"><span class=\"p-tel\">401.874.6022<\/span> <br> <a class=\"u-email\" href=\"mailto:rynearson@uri.edu\">rynearson@uri.edu<\/a><\/p>\n\t\t\n\t\t<div style=\"clear:both;\"><\/div>\n\t<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div>\n<h2>Phytoplankton Assistant<\/h2>\n<div class=\"uri-people-tool\"><div class=\"peopleitem h-card has-thumbnail\">\n\t<header>\n\t\t<div class=\"header\">\n\t\t\t\t\t\t<figure>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/web.uri.edu\/gso\/meet\/alyssa-yukiko-tsukada\/\"><img loading=\"lazy\" decoding=\"async\" width=\"364\" height=\"364\" src=\"https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/Alyssa-Tsukada-364x364.jpg\" class=\"u-photo third_column wp-post-image\" alt=\"\" srcset=\"https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/Alyssa-Tsukada-364x364.jpg 364w, https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/Alyssa-Tsukada-300x300.jpg 300w, https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/Alyssa-Tsukada-1024x1024.jpg 1024w, https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/Alyssa-Tsukada-768x768.jpg 768w, https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/Alyssa-Tsukada-500x500.jpg 500w, https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/Alyssa-Tsukada-1000x1000.jpg 1000w, https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/Alyssa-Tsukada.jpg 1080w\" sizes=\"auto, (max-width: 364px) 100vw, 364px\" \/><\/a>\n\t\t\t\t\t\t\t<\/figure>\n\t\t\t\n\t\t\t\t\t\t\t<h3 class=\"p-name\"><a href=\"https:\/\/web.uri.edu\/gso\/meet\/alyssa-yukiko-tsukada\/\">Alyssa Tsukada<\/a><\/h3>\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t<\/header>\n\t<div class=\"inside\">\n\n\t\t<p class=\"people-title p-job-title\">Ph.D. Student<\/p>\n\t\t\n\t\t\t\t<p class=\"people-department\">Advisor: Susanne Menden-Deuer<\/p>\n\t\t\n\t\t\n\t\t\t\t\t<p class=\"people-misc\"><a class=\"u-email\" href=\"mailto:alyssa.tsukada@uri.edu\">alyssa.tsukada@uri.edu<\/a><\/p>\n\t\t\n\t\t<div style=\"clear:both;\"><\/div>\n\t<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr>\n<h2>History<\/h2>\n<figure id=\"attachment_140971\" aria-describedby=\"caption-attachment-140971\" style=\"width: 364px\" class=\"wp-caption alignright\"><a href=\"https:\/\/web.uri.edu\/wp-content\/uploads\/sites\/916\/IMG_7213.jpg\" rel=\"lightbox[189879]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-third_column wp-image-140971\" src=\"https:\/\/web.uri.edu\/wp-content\/uploads\/sites\/916\/IMG_7213-364x485.jpg\" alt=\"Photo of URI Research Vessel Cap'n Bert.\" width=\"364\" height=\"485\" srcset=\"https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/IMG_7213-364x485.jpg 364w, https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/IMG_7213-225x300.jpg 225w, https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/IMG_7213-768x1024.jpg 768w, https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/IMG_7213-500x667.jpg 500w, https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/IMG_7213-1000x1333.jpg 1000w, https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/IMG_7213-1280x1706.jpg 1280w, https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/IMG_7213-2000x2666.jpg 2000w, https:\/\/web.uri.edu\/gso\/wp-content\/uploads\/sites\/916\/IMG_7213.jpg 2155w\" sizes=\"auto, (max-width: 364px) 100vw, 364px\" \/><\/a><figcaption id=\"caption-attachment-140971\" class=\"wp-caption-text\">Photo of URI Research Vessel Cap&#8217;n Bert.<\/figcaption><\/figure>\n<p>Narragansett Bay, Rhode Island is a highly productive estuary located on the east coast of North America. It is the site of two long-term monitoring studies, which provide an unprecedented opportunity to examine decade-scale changes in nutrient cycling, phytoplankton, zooplankton, and <a href=\"https:\/\/web.uri.edu\/gso\/research\/fish-trawl\/\">fish community dynamics<\/a>.<\/p>\n<p>Regarded as one of the world\u2019s longest-running plankton time series, samples have been collected weekly since Professor Ted Smayda launched the program in the 1950s. <a href=\"https:\/\/web.uri.edu\/gso\/research\/plankton\/data\/\">Data<\/a> is available to the public beginning in 1999. Samples are collected once per week -regardless of tidal stage- for temperature, salinity, turbidity, size-fractionated chlorophyll <i>a<\/i> and nutrients. Microplankton community composition (size range &gt;10\u03bcm, both species identification and abundance) is determined using a light microscope to quantify live samples. The species list for the &gt;10\u03bcm size fraction includes 246 different species or species complexes of protists. Samples are also collected for the determination of copepod and ctenophore concentrations.<\/p>\n<p>Funding for the time series has come from the University of Rhode Island since 1999. Ship time is frequently provided by the U.S. Department of Fish and Wildlife.<\/p>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n<div class=\"oembed oembed-youtube-com\" style=\"\" data-url=\"https:\/\/www.youtube.com\/watch?v=36ScB81WL90\"><iframe loading=\"lazy\" title=\"Ocean Classroom (Spots): GSO Plankton Time Series\" width=\"1000\" height=\"563\" src=\"https:\/\/www.youtube.com\/embed\/36ScB81WL90?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Narragansett Bay Long-Term Plankton Time Series is one of the world\u2019s longest-running plankton surveys. Beginning in 1957, weekly samples have been collected to assess the phytoplankton community and characterize the physical parameters of Narragansett Bay.<\/p>\n","protected":false},"author":1726,"featured_media":0,"parent":114905,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-140950","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/web.uri.edu\/gso\/wp-json\/wp\/v2\/pages\/140950","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/web.uri.edu\/gso\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/web.uri.edu\/gso\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/web.uri.edu\/gso\/wp-json\/wp\/v2\/users\/1726"}],"replies":[{"embeddable":true,"href":"https:\/\/web.uri.edu\/gso\/wp-json\/wp\/v2\/comments?post=140950"}],"version-history":[{"count":5,"href":"https:\/\/web.uri.edu\/gso\/wp-json\/wp\/v2\/pages\/140950\/revisions"}],"predecessor-version":[{"id":192136,"href":"https:\/\/web.uri.edu\/gso\/wp-json\/wp\/v2\/pages\/140950\/revisions\/192136"}],"up":[{"embeddable":true,"href":"https:\/\/web.uri.edu\/gso\/wp-json\/wp\/v2\/pages\/114905"}],"wp:attachment":[{"href":"https:\/\/web.uri.edu\/gso\/wp-json\/wp\/v2\/media?parent=140950"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}