{"id":112,"date":"2023-02-28T16:08:41","date_gmt":"2023-02-28T23:08:41","guid":{"rendered":"https:\/\/ac.nau.edu\/xwalkerlab\/?page_id=112"},"modified":"2025-08-28T11:51:19","modified_gmt":"2025-08-28T18:51:19","slug":"people","status":"publish","type":"page","link":"https:\/\/ac.nau.edu\/xwalkerlab\/people\/","title":{"rendered":"People"},"content":{"rendered":"\n<div class=\"wp-block-columns alignwide is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"190\" height=\"190\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/02\/cropped-cropped-environment-effect-3.png\" alt=\"\" class=\"wp-image-138\" style=\"width:120px;height:120px\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/02\/cropped-cropped-environment-effect-3.png 190w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/02\/cropped-cropped-environment-effect-3-150x150.png 150w\" sizes=\"auto, (max-width: 190px) 100vw, 190px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<pre class=\"wp-block-verse has-primary-color has-text-color has-large-font-size\" style=\"font-style:normal;font-weight:500\"><em>Walker Lab\nDisturbance and Ecosytem Ecology<\/em><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<nav class=\"has-text-color has-primary-color has-background has-custom-color-4-background-color has-small-font-size is-responsive items-justified-center no-wrap alignfull wp-block-navigation is-content-justification-center is-nowrap is-layout-flex wp-container-core-navigation-is-layout-8589c9b4 wp-block-navigation-is-layout-flex\" aria-label=\"Header navigation\" \n\t\t data-wp-interactive=\"core\/navigation\" data-wp-context='{\"overlayOpenedBy\":{\"click\":false,\"hover\":false,\"focus\":false},\"type\":\"overlay\",\"roleAttribute\":\"\",\"ariaLabel\":\"Menu\"}'><button aria-haspopup=\"dialog\" aria-label=\"Open menu\" class=\"wp-block-navigation__responsive-container-open\" \n\t\t\t\tdata-wp-on--click=\"actions.openMenuOnClick\"\n\t\t\t\tdata-wp-on--keydown=\"actions.handleMenuKeydown\"\n\t\t\t><svg width=\"24\" height=\"24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M4 7.5h16v1.5H4z\"><\/path><path d=\"M4 15h16v1.5H4z\"><\/path><\/svg><\/button>\n\t\t\t\t<div class=\"wp-block-navigation__responsive-container\"  id=\"modal-1\" \n\t\t\t\tdata-wp-class--has-modal-open=\"state.isMenuOpen\"\n\t\t\t\tdata-wp-class--is-menu-open=\"state.isMenuOpen\"\n\t\t\t\tdata-wp-watch=\"callbacks.initMenu\"\n\t\t\t\tdata-wp-on--keydown=\"actions.handleMenuKeydown\"\n\t\t\t\tdata-wp-on--focusout=\"actions.handleMenuFocusout\"\n\t\t\t\ttabindex=\"-1\"\n\t\t\t>\n\t\t\t\t\t<div class=\"wp-block-navigation__responsive-close\" tabindex=\"-1\">\n\t\t\t\t\t\t<div class=\"wp-block-navigation__responsive-dialog\" \n\t\t\t\tdata-wp-bind--aria-modal=\"state.ariaModal\"\n\t\t\t\tdata-wp-bind--aria-label=\"state.ariaLabel\"\n\t\t\t\tdata-wp-bind--role=\"state.roleAttribute\"\n\t\t\t>\n\t\t\t\t\t\t\t<button aria-label=\"Close menu\" class=\"wp-block-navigation__responsive-container-close\" \n\t\t\t\tdata-wp-on--click=\"actions.closeMenuOnClick\"\n\t\t\t><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\" aria-hidden=\"true\" focusable=\"false\"><path d=\"m13.06 12 6.47-6.47-1.06-1.06L12 10.94 5.53 4.47 4.47 5.53 10.94 12l-6.47 6.47 1.06 1.06L12 13.06l6.47 6.47 1.06-1.06L13.06 12Z\"><\/path><\/svg><\/button>\n\t\t\t\t\t\t\t<div class=\"wp-block-navigation__responsive-container-content\" \n\t\t\t\tdata-wp-watch=\"callbacks.focusFirstElement\"\n\t\t\t id=\"modal-1-content\">\n\t\t\t\t\t\t\t\t<ul class=\"wp-block-navigation__container has-text-color has-primary-color has-background has-custom-color-4-background-color has-small-font-size is-responsive items-justified-center no-wrap alignfull wp-block-navigation has-small-font-size\"><li class=\"has-small-font-size wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/ac.nau.edu\/xwalkerlab\"><span class=\"wp-block-navigation-item__label\">Home<\/span><\/a><\/li><li class=\"has-small-font-size wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/ac.nau.edu\/xwalkerlab\/people\/\"><span class=\"wp-block-navigation-item__label\">People<\/span><\/a><\/li><li class=\"has-small-font-size wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/ac.nau.edu\/xwalkerlab\/research\/\"><span class=\"wp-block-navigation-item__label\">Research<\/span><\/a><\/li><li class=\"has-small-font-size wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/ac.nau.edu\/xwalkerlab\/prospective-students\"><span class=\"wp-block-navigation-item__label\">Prospective Students<\/span><\/a><\/li><li class=\"has-small-font-size wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/ac.nau.edu\/xwalkerlab\/publications\/\"><span class=\"wp-block-navigation-item__label\">Publications<\/span><\/a><\/li><li class=\"has-small-font-size wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/ac.nau.edu\/xwalkerlab\/photos\/\"><span class=\"wp-block-navigation-item__label\">Photos<\/span><\/a><\/li><li class=\"has-small-font-size wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/scholar.google.com\/citations?user=UNmwcv8AAAAJ&#038;hl=en\" target=\"_blank\"  ><span class=\"wp-block-navigation-item__label\">Google Scholar<\/span><\/a><\/li><li class=\"has-small-font-size wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/ecoss.nau.edu\/\" target=\"_blank\"  ><span class=\"wp-block-navigation-item__label\">Ecoss<\/span><\/a><\/li><li class=\"has-small-font-size wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/macklab.nau.edu\/\" target=\"_blank\"  ><span class=\"wp-block-navigation-item__label\">MackLab<\/span><\/a><\/li><\/ul>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div><\/nav>\n\n\n<div class=\"wp-block-cover alignfull\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1920\" class=\"wp-block-cover__image-background wp-image-176\" alt=\"\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/20210710_115807-scaled.jpg\" style=\"object-position:51% 54%\" data-object-fit=\"cover\" data-object-position=\"51% 54%\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/20210710_115807-scaled.jpg 2560w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/20210710_115807-300x225.jpg 300w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/20210710_115807-1024x768.jpg 1024w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/20210710_115807-768x576.jpg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/20210710_115807-1536x1152.jpg 1536w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/20210710_115807-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-xx-large-font-size\"><strong><em><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-custom-color-4-color\">People<\/mark><\/em><\/strong><\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading alignwide has-text-align-center has-primary-color has-text-color\">Faculty<\/h2>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:42% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/02\/20190819_130447-1024x768.jpg\" alt=\"\" class=\"wp-image-85 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/02\/20190819_130447-1024x768.jpg 1024w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/02\/20190819_130447-300x225.jpg 300w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/02\/20190819_130447-768x576.jpg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/02\/20190819_130447-1536x1152.jpg 1536w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/02\/20190819_130447-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"has-text-align-left has-large-font-size\"><strong>Xanthe Walker<\/strong><\/p>\n\n\n\n<p>Xanthe Walker is an Assistant Professor at Northern Arizona University\u2019s Center for Ecosystem Science and Society. She is an ecosystem ecologist interested in understanding the impacts of environmental change and disturbance on the structure and function of northern terrestrial ecosystems. She has experience in disturbance ecology, dendrochronology, statistics, and the application of stable and radioactive carbon isotopes.<\/p>\n\n\n\n<p>Email: xanthe.walker@nau.edu<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:23% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"680\" height=\"1024\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/04\/Mack-680x1024.jpg\" alt=\"\" class=\"wp-image-370 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/04\/Mack-680x1024.jpg 680w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/04\/Mack-199x300.jpg 199w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/04\/Mack-768x1156.jpg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/04\/Mack-1020x1536.jpg 1020w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/04\/Mack-1361x2048.jpg 1361w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/04\/Mack-scaled.jpg 1701w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"has-text-align-left has-large-font-size\"><strong>Michelle Mack<\/strong><\/p>\n\n\n\n<p>Michelle Mack is a Regents Professor at Northern Arizona University\u2019s Center for Ecosystem Science and Society. See <a href=\"https:\/\/macklab.nau.edu\/\" target=\"_blank\" rel=\"noreferrer noopener\">Mack Lab<\/a> for more information. <\/p>\n\n\n\n<p>Email: michelle.mack@nau.edu<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading alignwide has-text-align-center\">Research Associates<\/h2>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Hillary-1024x768.jpg\" alt=\"\" class=\"wp-image-411 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Hillary-1024x768.jpg 1024w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Hillary-300x225.jpg 300w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Hillary-768x576.jpg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Hillary-1536x1152.jpg 1536w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Hillary-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Hillary Cooper<\/strong>, PhD<\/p>\n\n\n\n<p>Hillary is an evolutionary ecologist broadly interested in species&#8217; response to global change. She has studied the combined effects of drought and invasive species throughout the Southwest, with an emphasis on how intraspecific differences in traits and trait plasticity affect adaptation to rapid environmental change.<\/p>\n\n\n\n<p>Email: <a href=\"mailto:hillary.cooper@nau.edu\">hillary.cooper@nau.edu<\/a><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"858\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Zach-1-1024x858.jpg\" alt=\"\" class=\"wp-image-412 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Zach-1-1024x858.jpg 1024w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Zach-1-300x251.jpg 300w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Zach-1-768x644.jpg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Zach-1-1536x1287.jpg 1536w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Zach-1-2048x1716.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Zach Madsen<\/strong>, MSc<\/p>\n\n\n\n<p>Email: <a href=\"mailto:Zacharaih.Madsen@nau.edu\">Zacharaih.Madsen@nau.edu<\/a><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Jeremy2-1024x683.jpg\" alt=\"\" class=\"wp-image-407 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Jeremy2-1024x683.jpg 1024w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Jeremy2-300x200.jpg 300w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Jeremy2-768x512.jpg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Jeremy2-1536x1024.jpg 1536w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Jeremy2-2048x1365.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Jeremy Forsythe<\/strong><\/p>\n\n\n\n<p>Jeremy studies the drivers and impacts of wildfire in the boreal forest using satellite remote sensing products and machine learning models. Specifically, he seeks to assess where and when reburning occurs and determine the consequences of reburning for post-fire successional trajectories throughout the northwestern North American boreal forest. <\/p>\n\n\n\n<p>Email: <a href=\"mailto:charles.truettner@nau.edu\">jeremy.forsythe@nau.edu<\/a><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"910\" height=\"1024\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/OliviaHajek-910x1024.jpg\" alt=\"\" class=\"wp-image-422 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/OliviaHajek-910x1024.jpg 910w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/OliviaHajek-267x300.jpg 267w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/OliviaHajek-768x864.jpg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/OliviaHajek-1365x1536.jpg 1365w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/OliviaHajek-1820x2048.jpg 1820w\" sizes=\"auto, (max-width: 910px) 100vw, 910px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Olivia Hajek<\/strong>, PhD<\/p>\n\n\n\n<p>Post-doctoral Researcher<\/p>\n\n\n\n<p><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Camille-1024x1024.jpg\" alt=\"\" class=\"wp-image-427 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Camille-1024x1024.jpg 1024w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Camille-300x300.jpg 300w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Camille-150x150.jpg 150w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Camille-768x768.jpg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Camille-1536x1536.jpg 1536w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Camille.jpg 2040w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Camille Butkus<\/strong>, MSc<\/p>\n\n\n\n<p>Lab Technician<\/p>\n\n\n\n<p>Camille is interested in understanding the biogeochemical processes responsible for the movement and transformation of nutrients in plants, soil, and water. Her prior work focused on soil nitrogen and carbon cycling in agricultural and riparian contexts.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading alignwide has-text-align-center\">Graduate Students<\/h2>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:26% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"953\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Link_headshot-1024x953.jpg\" alt=\"\" class=\"wp-image-418 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Link_headshot-1024x953.jpg 1024w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Link_headshot-300x279.jpg 300w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Link_headshot-768x715.jpg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Link_headshot-1536x1430.jpg 1536w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Link_headshot-2048x1906.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Nicholas Link<\/strong><\/p>\n\n\n\n<p>PhD Student<\/p>\n\n\n\n<p>Nick is a PhD candidate studying how ecological succession plays out in fuel breaks across Alaska and Yukon. His work is helping create nature-based solutions to increasing wildfire risk across the region.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:26% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/09\/IMG_20230701_165748-768x1024.jpg\" alt=\"\" class=\"wp-image-384 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/09\/IMG_20230701_165748-768x1024.jpg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/09\/IMG_20230701_165748-225x300.jpg 225w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/09\/IMG_20230701_165748-1152x1536.jpg 1152w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/09\/IMG_20230701_165748.jpg 1200w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Anastasia Pulak<\/strong><\/p>\n\n\n\n<p>PhD Student<\/p>\n\n\n\n<p>Anastasia is a PhD candidate. She is studying how wildfire-induced changes in vegetation impact soil carbon accumulation and turnover.&nbsp;<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:26% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1003\" height=\"1024\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/08\/Lake-louise-portrait-1003x1024.jpeg\" alt=\"\" class=\"wp-image-379 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/08\/Lake-louise-portrait-1003x1024.jpeg 1003w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/08\/Lake-louise-portrait-294x300.jpeg 294w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/08\/Lake-louise-portrait-768x784.jpeg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/08\/Lake-louise-portrait-1504x1536.jpeg 1504w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/08\/Lake-louise-portrait.jpeg 1960w\" sizes=\"auto, (max-width: 1003px) 100vw, 1003px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Matthew Behrens<\/strong><\/p>\n\n\n\n<p>MSc Student<\/p>\n\n\n\n<p>Matt is interested in working on questions at the interface of land management and academia. He has experience in fire suppression and management throughout the Western US and Alaska, along with expertise as a field lead in fire ecology programs in AK.&nbsp;<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:26% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Felecia_XanthesWebsite-768x1024.jpeg\" alt=\"\" class=\"wp-image-432 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Felecia_XanthesWebsite-768x1024.jpeg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Felecia_XanthesWebsite-225x300.jpeg 225w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Felecia_XanthesWebsite-1152x1536.jpeg 1152w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Felecia_XanthesWebsite-1536x2048.jpeg 1536w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Felecia_XanthesWebsite-scaled.jpeg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Felecia Amundsen<\/strong><\/p>\n\n\n\n<p>MSc Student<\/p>\n\n\n\n<p>Felecia&#8217;s research focuses on how fire management practices shape the ecology&nbsp;of forests in Interior&nbsp;Alaska and how these changes&nbsp;affect subsistence resources that local communities depend on. She is particularly interested in food security, the role of traditional ecological knowledge in understanding and managing ecosystems, and the ways people have historically interacted with and relied on plants.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:26% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Bjorn-1024x1024.jpg\" alt=\"\" class=\"wp-image-421 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Bjorn-1024x1024.jpg 1024w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Bjorn-300x300.jpg 300w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Bjorn-150x150.jpg 150w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Bjorn-768x768.jpg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Bjorn.jpg 1065w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Bjorn Larson<\/strong><\/p>\n\n\n\n<p>PhD Student<\/p>\n\n\n\n<p><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:26% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Maya-1-1024x683.jpeg\" alt=\"\" class=\"wp-image-419 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Maya-1-1024x683.jpeg 1024w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Maya-1-300x200.jpeg 300w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Maya-1-768x512.jpeg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Maya-1.jpeg 1086w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Maya Chandar-Kouba<\/strong><\/p>\n\n\n\n<p>PhD Student<\/p>\n\n\n\n<p>Maya is a first-year PhD student in the Mack-Walker lab. She has previously worked at the Harvard Forest LTER and the Toolik Field Station. Her current research is based in Interior Alaska, where she specifically studies how wildfires impact nutrient cycling, carbon storage, and below-ground structures across plant communities.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:26% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Abby-Hay-1-768x1024.jpg\" alt=\"\" class=\"wp-image-420 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Abby-Hay-1-768x1024.jpg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Abby-Hay-1-225x300.jpg 225w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Abby-Hay-1-1152x1536.jpg 1152w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Abby-Hay-1-1536x2048.jpg 1536w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Abby-Hay-1-scaled.jpg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Abby Hay<\/strong><\/p>\n\n\n\n<p>PhD Student<\/p>\n\n\n\n<p><\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading alignwide has-text-align-center\">Alumni<\/h2>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"733\" height=\"1024\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/09\/image0000014-1-733x1024.jpg\" alt=\"\" class=\"wp-image-393 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/09\/image0000014-1-733x1024.jpg 733w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/09\/image0000014-1-215x300.jpg 215w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/09\/image0000014-1-768x1072.jpg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/09\/image0000014-1.jpg 833w\" sizes=\"auto, (max-width: 733px) 100vw, 733px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Savannah Wilson<\/strong>, MSc<\/p>\n\n\n\n<p>Thesis: Drivers of fire severity in western North American boreal deciduous forests<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"451\" height=\"600\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Sonja.jpeg\" alt=\"\" class=\"wp-image-434 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Sonja.jpeg 451w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2025\/08\/Sonja-226x300.jpeg 226w\" sizes=\"auto, (max-width: 451px) 100vw, 451px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Sonja Noomah<\/strong>, MSc<\/p>\n\n\n\n<p>Thesis: Fuel reduction treatmens reduce hazard trees in spruce-beetle affected stands in Alaska  <\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/2747_Michelle_Mack_20210721-1024x683.jpg\" alt=\"\" class=\"wp-image-305 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/2747_Michelle_Mack_20210721-1024x683.jpg 1024w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/2747_Michelle_Mack_20210721-300x200.jpg 300w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/2747_Michelle_Mack_20210721-768x512.jpg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/2747_Michelle_Mack_20210721-1536x1025.jpg 1536w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/2747_Michelle_Mack_20210721-2048x1366.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Betsy Black<\/strong>, MSc<\/p>\n\n\n\n<p>Thesis: Drivers of fire severity in western North American boreal deciduous forests<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/Ellery_pic-1024x683.jpg\" alt=\"\" class=\"wp-image-306 size-full\" srcset=\"https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/Ellery_pic-1024x683.jpg 1024w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/Ellery_pic-300x200.jpg 300w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/Ellery_pic-768x512.jpg 768w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/Ellery_pic-1536x1024.jpg 1536w, https:\/\/ac.nau.edu\/xwalkerlab\/wp-content\/uploads\/2023\/03\/Ellery_pic.jpg 1944w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Ellery Vaughan<\/strong>, MSc<\/p>\n\n\n\n<p>Thesis: Nitrogen and phosphorus limitation of plant productivity and ecosystem carbon storage changes with post-fire succession in an Interior Alaskan boreal forest<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Walker Lab Disturbance and Ecosytem Ecology Faculty Xanthe Walker Xanthe Walker is an Assistant Professor at Northern Arizona University\u2019s Center for Ecosystem Science and Society. She is an ecosystem ecologist interested in understanding the impacts of environmental change and disturbance on the structure and function of northern terrestrial ecosystems. She has experience in disturbance ecology, [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"blank","meta":{"footnotes":""},"class_list":["post-112","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/ac.nau.edu\/xwalkerlab\/wp-json\/wp\/v2\/pages\/112","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ac.nau.edu\/xwalkerlab\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ac.nau.edu\/xwalkerlab\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ac.nau.edu\/xwalkerlab\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/ac.nau.edu\/xwalkerlab\/wp-json\/wp\/v2\/comments?post=112"}],"version-history":[{"count":40,"href":"https:\/\/ac.nau.edu\/xwalkerlab\/wp-json\/wp\/v2\/pages\/112\/revisions"}],"predecessor-version":[{"id":443,"href":"https:\/\/ac.nau.edu\/xwalkerlab\/wp-json\/wp\/v2\/pages\/112\/revisions\/443"}],"wp:attachment":[{"href":"https:\/\/ac.nau.edu\/xwalkerlab\/wp-json\/wp\/v2\/media?parent=112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}