{"id":1546972,"date":"2017-09-18T19:54:55","date_gmt":"2017-09-18T23:54:55","guid":{"rendered":"http:\/\/www.futurity.org\/?p=1546972"},"modified":"2017-09-18T19:54:55","modified_gmt":"2017-09-18T23:54:55","slug":"root-depth-soil-hydrology-1546972","status":"publish","type":"post","link":"https:\/\/www.futurity.org\/root-depth-soil-hydrology-1546972\/","title":{"rendered":"Without much rain, roots dive deep to find water"},"content":{"rendered":"<p>The amount of water in soil and the climate of a region affect the depth of root systems, a new study suggests.<\/p>\n<p>The study also finds that some tree roots probe hundreds of feet deep searching for water\u00a0and many trees send roots through cracks in rocks.<\/p>\n<p>Moreover, the depth of plant roots, which varies between species and soil conditions, will play a key role in plants&#8217; adaptation to climate change, says Ying Fan Reinfelder, a professor in the earth &amp; planetary sciences and the environmental sciences departments at Rutgers University.<\/p>\n<figure id=\"attachment_1546992\" aria-describedby=\"caption-attachment-1546992\" style=\"width: 740px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1546992\" src=\"https:\/\/www.futurity.org\/wp\/wp-content\/uploads\/2017\/09\/Roots-soil-hydrology_740.jpg\" alt=\"Roots and soil hydrology chart\" width=\"740\" height=\"313\" srcset=\"https:\/\/www.futurity.org\/wp\/wp-content\/uploads\/2017\/09\/Roots-soil-hydrology_740.jpg 740w, https:\/\/www.futurity.org\/wp\/wp-content\/uploads\/2017\/09\/Roots-soil-hydrology_740-300x127.jpg 300w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><figcaption id=\"caption-attachment-1546992\" class=\"wp-caption-text\">Tree and plant root depths vary, depending on climate, soil, and water conditions, including rainwater infiltration and ground water levels. (Credit: Ying Fan Reinfelder\/Rutgers)<\/figcaption><\/figure>\n<p>&#8220;Charles Darwin once wrote, in effect, that the tips of plant roots are like the brains of plants,&#8221; Reinfelder says. &#8220;Roots sense the environment. They sense the water, where there&#8217;s more nutrients, and they go for these resources. Roots are the smartest part of the plant.&#8221;<\/p>\n<p>The study demonstrates the relationship between plant roots and water availability. It shows, through observations and modeling, that soil hydrology is the key force driving local and global patterns of root depths.<\/p>\n<p>The study&#8217;s findings reveal strong links between root depth and local soil and water conditions. In well-drained uplands, roots reach down to the level of rainwater and snowmelt infiltration. In waterlogged lowlands, roots stay shallow. In between, high growth rates and drought can send roots many meters down to the saturated zone just above the groundwater table.<\/p>\n<blockquote><p>&#8220;We need to invest in understanding the below-ground half of the ecosystem&#8230;&#8221;<\/p><\/blockquote>\n<p>The findings have important implications for the question of whether tree and other plant species will be able to adapt to and survive a changing climate through this century and beyond, Reinfelder says. In general, the odds appear favorable. Plants are typically adaptable, and deeper-rooted plants will have a greater advantage.<\/p>\n<p>&#8220;Plants may be more resourceful and resilient to environmental stress and climate change than we previously thought, but only to a certain extent,&#8221; she says. &#8220;They can withstand a period of drought. But if the drought continues for a century, they&#8217;re not going to be able to cope with that.&#8221;<\/p>\n<p>Plants can shift from unfavorable environments by moving downhill, where water is more abundant, she notes. They do so by shedding seeds, with the ones making it to wetter lower elevations surviving.<\/p>\n<p>Reinfelder notes that plants&#8217; survival is crucial to our own. Plants are at the bottom of the food chain, generate oxygen, and absorb carbon dioxide, the major greenhouse gas linked to climate change.<\/p>\n<h5><a href=\"http:\/\/www.futurity.org\/cash-incentives-deforestation-1491672\/\">Paying people to save trees could also save money<\/a><\/h5>\n<p>The Reinfelder-led global study covers 2,200 observations of the roots of more than 1,000 species in all the major plant groups, including trees, grasses, shrubs, herbaceous plants, and succulents.<\/p>\n<p>A next step is to study and project the drought resilience of the world&#8217;s greatest forest\u2014the Amazon rain forest\u2014by the end of this century, given its trees&#8217; deep roots, Reinfelder says.<\/p>\n<p>&#8220;We need to invest in understanding the below-ground half of the ecosystem,&#8221; she says. &#8220;It&#8217;s dark. It&#8217;s opaque, but it holds the key to many questions, and the scientific community needs to shed some light there.&#8221;<\/p>\n<p>The findings appear in the journal the <a href=\"https:\/\/doi.org\/10.1073\/pnas.1712381114\"><em>Proceedings of the National Academy of 糖心视频s<\/em><\/a>.<\/p>\n<p><em>Source: <a href=\"http:\/\/news.rutgers.edu\/deep-roots-plants-driven-soil-hydrology\/20170915#.WcAdQdOGNTa\">Rutgers University<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The amount of water in soil and the climate of a region affect the depth [&hellip;]<\/p>\n","protected":false},"author":7112,"featured_media":1547032,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[19],"tags":[361,72,7985,1449,292,191],"class_list":["post-1546972","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-earth-environment","tag-climate-change","tag-plants","tag-roots","tag-soil","tag-trees","tag-water","university-rutgers"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.8 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Without much rain, roots dive deep to find water - 糖心视频<\/title>\n<meta name=\"description\" content=\"Water in soil is the key factor behind how deep plant roots grow into the ground, researchers say. 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Roots are vital for saving plants from climate change.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.futurity.org\/root-depth-soil-hydrology-1546972\/\" \/>\n<meta property=\"og:site_name\" content=\"糖心视频\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/pages\/糖心视频\/143906865226\" \/>\n<meta property=\"article:published_time\" content=\"2017-09-18T23:54:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.futurity.org\/wp\/wp-content\/uploads\/2017\/09\/tree-roots-desert_1600.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1600\" \/>\n\t<meta property=\"og:image:height\" content=\"915\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Todd Bates-Rutgers\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@糖心视频News\" \/>\n<meta name=\"twitter:site\" content=\"@糖心视频News\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Todd Bates-Rutgers\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.futurity.org\/root-depth-soil-hydrology-1546972\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.futurity.org\/root-depth-soil-hydrology-1546972\/\"},\"author\":{\"name\":\"Todd Bates-Rutgers\",\"@id\":\"https:\/\/www.futurity.org\/#\/schema\/person\/7837c2a956c9d97b2aeac87826e62fe2\"},\"headline\":\"Without much rain, roots dive deep to find water\",\"datePublished\":\"2017-09-18T23:54:55+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.futurity.org\/root-depth-soil-hydrology-1546972\/\"},\"wordCount\":573,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.futurity.org\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.futurity.org\/root-depth-soil-hydrology-1546972\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.futurity.org\/wp\/wp-content\/uploads\/2017\/09\/tree-roots-desert_1600.jpg\",\"keywords\":[\"climate change\",\"plants\",\"roots\",\"soil\",\"trees\",\"water\"],\"articleSection\":[\"Earth and Environment\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.futurity.org\/root-depth-soil-hydrology-1546972\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.futurity.org\/root-depth-soil-hydrology-1546972\/\",\"url\":\"https:\/\/www.futurity.org\/root-depth-soil-hydrology-1546972\/\",\"name\":\"Without much rain, roots dive deep to find water - 糖心视频\",\"isPartOf\":{\"@id\":\"https:\/\/www.futurity.org\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.futurity.org\/root-depth-soil-hydrology-1546972\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.futurity.org\/root-depth-soil-hydrology-1546972\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.futurity.org\/wp\/wp-content\/uploads\/2017\/09\/tree-roots-desert_1600.jpg\",\"datePublished\":\"2017-09-18T23:54:55+00:00\",\"description\":\"Water in soil is the key factor behind how deep plant roots grow into the ground, researchers say. 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