{"id":4817,"date":"2023-11-14T11:06:05","date_gmt":"2023-11-14T16:06:05","guid":{"rendered":"https:\/\/elbowlakecentre.ca\/?post_type=quills-posts&#038;p=4817"},"modified":"2023-12-14T09:52:40","modified_gmt":"2023-12-14T14:52:40","slug":"western-stem-connection-tree-migration","status":"publish","type":"quills-posts","link":"https:\/\/elbowlakecentre.ca\/quills\/western-stem-connection-tree-migration\/","title":{"rendered":"Western STEM Connection -Tree Migration"},"content":{"rendered":"\n<h5 class=\"wp-block-heading\"><strong>Instructions:<\/strong><\/h5>\n\n\n\n<p>Teacher introduces students to study that shows how climate change (caused by not living in reciprocity with the natural world) can change the makeup of a forest. Summary of study found in <strong><a href=\"https:\/\/elbowlakecentre.ca\/wp-content\/uploads\/2023\/11\/Subarctic-Tree-Line-Dynamics_2023.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Subarctic Alpine Tree Line Dynamics.pdf<\/a>.<\/strong> The following study shows how changing temperatures in arctic and subarctic regions affect the movement and population dynamics of trees and shrubs. Variability, contingency and rapid change in recent subarctic alpine tree line dynamics;\u00a0Landscape variability of vegetation change across the forest to tundra transition of Central Canada. Ryan Danby:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <a href=\"https:\/\/besjournals.onlinelibrary.wiley.com\/doi\/10.1111\/j.1365-2745.2006.01200.x\" target=\"_blank\" rel=\"noreferrer noopener\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 https:\/\/besjournals.onlinelibrary.wiley.com\/doi\/10.1111\/j.1365-2745.2006.01200.x\u00a0<\/a><\/p>\n\n\n\n<ul>\n<li>Teacher can relate this study to the experience students had in the forest discussing Maple trees in Learning Activity 3 of the Food Bundle: <em>Gifts of the Forest<\/em>. This can be done by explaining that, because of climate change, over 1000 plant and animal species are shifting their range towards the Southern and Northern Poles. Maple, however, does not appear to be moving into the Boreal Forest, north of where it currently grows. This is because compared to southern soils, boreal soils are acidic and low in nutrients. There are also different fungi living in the Boreal Forest which are not compatible with those required by Maple trees to thrive. Because of this, even though Maple trees are disappearing from regions further south in the US, such as Washington State, they are not migrating North. This may mean that in the future maple land distribution will be significantly reduced. Teachers ask students to consider what this might mean for the Indigenous land-based practices and language connected to Maple trees and their gifts.<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">Activity: Taking a Closer Look<\/h5>\n\n\n\n<ul>\n<li>Students take a closer look to determine what the inside of trees can teach us about the changing climate.<\/li>\n\n\n\n<li>Trees investigated in the study include white&nbsp;spruce, willow, and birch. First, students will learn how to properly ID these tree species. They will also learn about what conditions and climates these trees prefer. A worksheet for students containing this information can be found in <strong><a href=\"https:\/\/elbowlakecentre.ca\/wp-content\/uploads\/2023\/11\/A-Closer-Look-Tree-Identification-Guide.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">A Closer Look: A Tree Identification Guide.pdf<\/a><\/strong>.<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">Elbow Lake Extension:<\/h5>\n\n\n\n<ul>\n<li>Teacher gives students tree cookie samples from ELEEC&nbsp;and ask them what features they see. Students might already know that they can count the lines to figure out the age of a tree, but there\u2019s more!&nbsp;For instance, students can look at the rings of a tree to determine the environmental conditions in the region where the tree grew. The lighter part of each ring is the spring season\u2019s growth and is where most of the growth happens. The darker part of the ring is the summer or fall growth, which is when the rate of growth slows. The darker&nbsp;colour&nbsp;is made by cells growing smaller, closer together, and with thicker cell walls. Black parts can show when a fire has reached a tree and wide rings show a rainy season where much water led to increased growth.&nbsp;<\/li>\n\n\n\n<li>Students view tree cookies (in a safe and sustainable way) to explore growth rings and what they tell us about the tree and the area in which it grew. Students can use the same techniques that were used in the following study.&nbsp;How&nbsp;tree rings are used to infer past climates: <a href=\"https:\/\/climate.nasa.gov\/news\/2540\/tree-rings-provide-snapshots-of-earths-past-climate\/\" target=\"_blank\" rel=\"noreferrer noopener\">Tree rings provide snapshots of Earth&#8217;s past climate \u2013 Climate Change: Vital Signs of the Planet (nasa.gov)<\/a><\/li>\n\n\n\n<li>The teacher then asks:\n<ul>\n<li>If trees grew this much in the warmth and this much in the cold, then how might they grow with temperature increased caused by climate change?&nbsp;<\/li>\n\n\n\n<li>What about extreme climate events caused by climate change such as drought, flooding and fire? How might these factors impact tree growth? To find out more students can check out this resource: <a href=\"https:\/\/www.scienceworld.ca\/resource\/tree-cookies\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.scienceworld.ca\/resource\/tree-cookies\/<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">Math Extension:<\/h5>\n\n\n\n<ul>\n<li>Math Connection: See <strong><a href=\"https:\/\/elbowlakecentre.ca\/wp-content\/uploads\/2023\/11\/Lesson-Plan-The-Best-Time-to-Plant-a-Tree_2023.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Lesson Plan- The Best Time to Plant a Tree.pdf<\/a><a href=\"https:\/\/elbowlakecentre.ca\/wp-content\/uploads\/2023\/11\/Lesson-Plan-The-Best-Time-to-Plant-a-Tree-.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"> <\/a><\/strong>and the <strong><a href=\"https:\/\/elbowlakecentre.ca\/wp-content\/uploads\/2023\/11\/Tree-Cores_2023.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Tree Cores.pdf<\/a><\/strong> for a math extension.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/elbowlakecentre.ca\/wp-content\/uploads\/2023\/11\/04.-Western-STEM-Connection-\u2013-Tree-Migration_2023.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Printer Friendly Activity<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/elbowlakecentre.ca\/wp-content\/uploads\/2023\/11\/A-Closer-Look-Tree-Identification-Guide.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">A Closer Look: Tree Identification Guide<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/elbowlakecentre.ca\/wp-content\/uploads\/2023\/11\/Lesson-Plan-The-Best-Time-to-Plant-a-Tree_2023.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Lesson Plan- The Best Time to Plant a Tree<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/elbowlakecentre.ca\/wp-content\/uploads\/2023\/11\/Subarctic-Tree-Line-Dynamics_2023.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Subarctic Tree Line Dynamics<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/elbowlakecentre.ca\/wp-content\/uploads\/2023\/11\/Tree-Cores_2023.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Tree Cores<\/a><\/div>\n<\/div>\n","protected":false},"featured_media":0,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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Summary of study found in Subarctic Alpine Tree Line Dynamics.pdf. 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