{"id":1179,"date":"2022-08-01T14:34:39","date_gmt":"2022-08-01T14:34:39","guid":{"rendered":"https:\/\/courses.ecology.uga.edu\/tropical-ecology\/?p=1179"},"modified":"2022-08-02T00:10:18","modified_gmt":"2022-08-02T00:10:18","slug":"the-effect-of-discharge-on-leaf-litter-decomposition-in-tropical-streams","status":"publish","type":"post","link":"https:\/\/courses.ecology.uga.edu\/tropical-ecology\/the-effect-of-discharge-on-leaf-litter-decomposition-in-tropical-streams\/","title":{"rendered":"The Effect of Discharge on Leaf Litter Decomposition in Tropical Streams"},"content":{"rendered":"\n<div class=\"wp-block-cover alignfull is-light\" style=\"min-height:258px;aspect-ratio:unset;\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-80 has-background-dim\" style=\"background-color:#e4eaf0\"><\/span><img loading=\"lazy\" decoding=\"async\" width=\"2496\" height=\"316\" class=\"wp-block-cover__image-background wp-image-1196\" alt=\"\" src=\"http:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-tropical-stream.png\" style=\"object-position:61% 83%\" data-object-fit=\"cover\" data-object-position=\"61% 83%\" srcset=\"https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-tropical-stream.png 2496w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-tropical-stream-300x38.png 300w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-tropical-stream-1024x130.png 1024w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-tropical-stream-768x97.png 768w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-tropical-stream-1536x194.png 1536w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-tropical-stream-2048x259.png 2048w\" sizes=\"auto, (max-width: 2496px) 100vw, 2496px\" \/><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-f56f613f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"261\" src=\"http:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Odum-School-of-Ecology-logo-1024x261.png\" alt=\"\" class=\"wp-image-1260\" srcset=\"https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Odum-School-of-Ecology-logo-1024x261.png 1024w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Odum-School-of-Ecology-logo-300x76.png 300w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Odum-School-of-Ecology-logo-768x196.png 768w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Odum-School-of-Ecology-logo-1536x391.png 1536w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Odum-School-of-Ecology-logo-2048x522.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center has-foreground-color has-text-color is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:70%\"><h2 style=\"font-style:normal;font-weight:400\" class=\"has-text-align-center wp-block-post-title has-system-font-font-family\">The Effect of Discharge on Leaf Litter Decomposition in Tropical Streams<\/h2>\n\n\n<h3 class=\"has-text-align-center has-large-font-size wp-block-heading\" style=\"font-style:normal;font-weight:400\"><strong>Caroline G.T. Anscombe, Carolyn S. Cummins, and Amanda T. Rugenski<\/strong><\/h3>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-columns alignfull is-layout-flex wp-container-core-columns-is-layout-65b1188b wp-block-columns-is-layout-flex\" style=\"padding-top:2%;padding-right:2%;padding-bottom:2%;padding-left:2%\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-f56f613f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"has-text-align-center has-background has-x-large-font-size wp-block-heading\" style=\"background-color:#c5e0b4\">Background<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Most of our knowledge about stream decomposition comes from temperate regions and perennial streams.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There is a gap in our understanding of factors that drive decomposition in tropical streams.<\/p>\n\n\n\n<h2 class=\"has-text-align-center has-background has-x-large-font-size wp-block-heading\" style=\"background-color:#c5e0b4\">Questions<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">How do the rates of decomposition differ in a Neotropical perennial (Alondra) and intermittent (Bruja) stream?<\/p>\n\n\n\n<h2 class=\"has-text-align-center has-background has-x-large-font-size wp-block-heading\" style=\"background-color:#c5e0b4\">Hypothesis<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The perennial stream will have higher rates of decomposition than the intermittent stream as a function of flow.<\/p>\n\n\n\n<h2 class=\"has-text-align-center has-background has-x-large-font-size wp-block-heading\" style=\"background-color:#c5e0b4\">Methods<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Leaf packs<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>5 grams of dried <em>Inga Punctata<\/em> were placed in coarse leaf packs<\/li><li>Twelve packs placed in each stream, 6 upstream, 6 downstream<\/li><li>Three upstream and three downstream bags taken out on day 15 and day 30<\/li><li>Leaves washed, dried, and reweighed upon removal<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Discharge<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Discharge was measured six times over the duration of the experiment<\/li><li>Measured by multiplying cross-sectional flow and mean velocity<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Stream Characteristics<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Depth at bags, wetted width of bag location and ten depths across width were measured every other day to see how the streams were changing<\/li><li>Temp loggers deployed and recorded temperature every hour<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1600\" data-id=\"1193\" src=\"http:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Inga-Punctata.png\" alt=\"\" class=\"wp-image-1193\" srcset=\"https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Inga-Punctata.png 1200w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Inga-Punctata-225x300.png 225w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Inga-Punctata-768x1024.png 768w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Inga-Punctata-1152x1536.png 1152w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1600\" data-id=\"1195\" src=\"http:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Leaf-weighing.png\" alt=\"\" class=\"wp-image-1195\" srcset=\"https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Leaf-weighing.png 1200w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Leaf-weighing-225x300.png 225w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Leaf-weighing-768x1024.png 768w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Leaf-weighing-1152x1536.png 1152w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1600\" data-id=\"1194\" src=\"http:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/leaf-bags.png\" alt=\"\" class=\"wp-image-1194\" srcset=\"https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/leaf-bags.png 1200w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/leaf-bags-225x300.png 225w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/leaf-bags-768x1024.png 768w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/leaf-bags-1152x1536.png 1152w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-1 is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"1187\" src=\"https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Alondra-768x1024.png\" alt=\"\" class=\"wp-image-1187\" srcset=\"https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Alondra-768x1024.png 768w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Alondra-225x300.png 225w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Alondra-1152x1536.png 1152w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Alondra.png 1200w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption>Alondra<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"1192\" src=\"https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Bruja-flowing-768x1024.png\" alt=\"\" class=\"wp-image-1192\" srcset=\"https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Bruja-flowing-768x1024.png 768w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Bruja-flowing-225x300.png 225w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Bruja-flowing-1152x1536.png 1152w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Bruja-flowing.png 1200w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption>Bruja Flowing<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"1191\" src=\"https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Bruja-dry-768x1024.png\" alt=\"\" class=\"wp-image-1191\" srcset=\"https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Bruja-dry-768x1024.png 768w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Bruja-dry-225x300.png 225w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Bruja-dry-1152x1536.png 1152w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Bruja-dry.png 1200w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption>Bruja Dry<\/figcaption><\/figure>\n<\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-f56f613f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"has-text-align-center has-background wp-block-heading\" style=\"background-color:#c5e0b4\">Key Result #1<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"699\" src=\"http:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-2021-graphs-key-result-1-1024x699.png\" alt=\"\" class=\"wp-image-1209\" srcset=\"https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-2021-graphs-key-result-1-1024x699.png 1024w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-2021-graphs-key-result-1-300x205.png 300w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-2021-graphs-key-result-1-768x524.png 768w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-2021-graphs-key-result-1-1536x1048.png 1536w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-2021-graphs-key-result-1-2048x1397.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>As expected, mean discharge was significantly higher in the perennial stream (\ud835\udc5d &lt; 0.001).<\/li><li>There was greater temperature variability in the intermittent stream, and a significantly higher average daily temperature (20.44 vs 19.09 C; \ud835\udc5d &lt; 0.001).<\/li><\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"has-text-align-center has-background wp-block-heading\" style=\"background-color:#c5e0b4\">Key Result #2<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"680\" src=\"http:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-2021-graphs-key-result-2-1024x680.png\" alt=\"\" class=\"wp-image-1210\" srcset=\"https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-2021-graphs-key-result-2-1024x680.png 1024w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-2021-graphs-key-result-2-300x199.png 300w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-2021-graphs-key-result-2-768x510.png 768w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-2021-graphs-key-result-2-1536x1020.png 1536w, https:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-2021-graphs-key-result-2-2048x1360.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Decomposition rates were slightly faster in the intermittent stream<ul><li>Alondra \ud835\udc3e(day<sup>-1<\/sup>) = 0.008<\/li><li>Bruja \ud835\udc3e(day<sup>-1<\/sup>) = 0.01<\/li><\/ul><\/li><li>Leaf mass remaining (%) on day 30 was 78.5% for Alondra 74.3% for Bruja (t-test; \ud835\udc5d &lt; 0.001). This may not be biologically significant but trends could appear over a longer study<\/li><\/ul>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"has-text-align-center has-background wp-block-heading\" style=\"background-color:#c5e0b4\">Conclusions<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Increased fragmentation typically caused by high discharge didn\u2019t result in the perennial stream having higher leaf mass loss or decomposition rates.<\/li><li>Discharge has a greater impact on softer leaves (Abelho et al. 2001), <em>Inga Punctata<\/em> have high lignin, low C:N and are considered tough leaves (Capps et al., 2011). This may be why we didn\u2019t see discharge play a large role in leaf fragmentation or abrasion.<\/li><li>Oxygen availability and temperature may have contributed to differences in decomposition rates. Higher temperatures (as seen in Bruja) may have led to greater microbial activity.<\/li><li>The importance of duration versus frequency of inundation may be switched in tropical regions where water is rarely a limiting factor in decomposition<\/li><\/ul>\n\n\n\n<h2 class=\"has-text-align-center has-background wp-block-heading\" style=\"background-color:#c5e0b4\">Future Directions<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Is there a difference in the types of decomposers in each stream? Does fungi\/bacteria play a bigger role in one stream than the other? Are there differences in macroinvertebrate communities associated with leaf packs between the two streams?<\/li><li>Quantify leaf litter input and retention in the two streams<\/li><li>How does decomposition differ along a gradient of an intermittent stream?<\/li><\/ul>\n\n\n\n<h2 class=\"has-text-align-center has-background wp-block-heading\" style=\"background-color:#c5e0b4\">Acknowledgements<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>I would like to thank my classmates who helped sample, the CIEE staff, and my professors.<\/li><\/ul>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group is-content-justification-center is-layout-flex wp-container-core-group-is-layout-b748e1e0 wp-block-group-is-layout-flex\">\n<p class=\"wp-block-paragraph\">Download Original PDF of Poster<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-space-between is-layout-flex wp-container-core-buttons-is-layout-e2853e1a wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link\" href=\"http:\/\/courses.ecology.uga.edu\/tropical-ecology\/wp-content\/uploads\/sites\/42\/2022\/08\/Anscombe-Caroline-2021.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Download PDF<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>How do the rates of decomposition differ in a Neotropical perennial (Alondra) and intermittent (Bruja) stream?<\/p>\n","protected":false},"author":35,"featured_media":1187,"comment_status":"closed","ping_status":"open","sticky":false,"template":"wp-custom-template-poster-3-columns","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[63],"tags":[],"class_list":["post-1179","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-research-poster"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - 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