{"id":397,"date":"2025-01-11T11:36:00","date_gmt":"2025-01-11T11:36:00","guid":{"rendered":"https:\/\/nordborn.lbhi.is\/?p=397"},"modified":"2025-04-22T11:42:14","modified_gmt":"2025-04-22T11:42:14","slug":"large-herbivore-and-carnivore-populations-in-boreal-and-tundra-ecosystems-are-highly-variable-in-time-and-space","status":"publish","type":"post","link":"https:\/\/nordborn.lbhi.is\/?p=397","title":{"rendered":"Large herbivore and carnivore populations in boreal and tundra ecosystems are highly variable in time and space"},"content":{"rendered":"\n<p>NordBorN researchers have estimated and mapped historic biomass densities of large herbivores and carnivores across Norway. The current high densities of wild ungulates, especially moose and roe deer, contrast with historically high densities of livestock. Carnivores show a low level of recovery from near absence in the mid 20<sup>th<\/sup>\u00a0century. However, densities are far below where they were in the 19<sup>th<\/sup> century.<\/p>\n\n\n\n<p>These findings have implications for borealization: Previous studies have shown that herbivory can prevent the spread of boreal species into the tundra, yet it is clear that the trophic interactions involving large herbivores and carnivores are highly dynamic in both time and space.<\/p>\n\n\n\n<p><strong>Reference: <\/strong>Speed, J.D.M, Sobocinski, A., Kolstad, A. L., Linnell, J. D., Solberg, E. J., Mattisson, J., &amp; Austrheim, G. (2025). The trophic distribution of biomass in ecosystems with co-occurring wildlife and livestock. <em>Scientific Reports<\/em>, <em>15<\/em>(1), 1474. <a href=\"https:\/\/www.nature.com\/articles\/s41598-025-85469-2\">https:\/\/www.nature.com\/articles\/s41598-025-85469-2<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Photo: Lynx (Erik F. Brandsborg, CC BY-SA)<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>NordBorN researchers have estimated and mapped historic biomass densities of large herbivores and carnivores across Norway. The current high densities of wild ungulates, especially moose and roe deer, contrast with historically high densities of livestock. Carnivores show a low level of recovery from near absence in the mid 20th\u00a0century. However, densities are far below where &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/nordborn.lbhi.is\/?p=397\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Large herbivore and carnivore populations in boreal and tundra ecosystems are highly variable in time and space&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":398,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-397","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nordborn-publications"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Large herbivore and carnivore populations in boreal and tundra ecosystems are highly variable in time and space - The Nordic Borealization Network<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nordborn.lbhi.is\/?p=397\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Large herbivore and carnivore populations in boreal and tundra ecosystems are highly variable in time and space - The Nordic Borealization Network\" \/>\n<meta property=\"og:description\" content=\"NordBorN researchers have estimated and mapped historic biomass densities of large herbivores and carnivores across Norway. The current high densities of wild ungulates, especially moose and roe deer, contrast with historically high densities of livestock. Carnivores show a low level of recovery from near absence in the mid 20th\u00a0century. However, densities are far below where &hellip; Continue reading &quot;Large herbivore and carnivore populations in boreal and tundra ecosystems are highly variable in time and space&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nordborn.lbhi.is\/?p=397\" \/>\n<meta property=\"og:site_name\" content=\"The Nordic Borealization Network\" \/>\n<meta property=\"article:published_time\" content=\"2025-01-11T11:36:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-22T11:42:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/nordborn.lbhi.is\/wp-content\/uploads\/2025\/04\/lynx.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"799\" \/>\n\t<meta property=\"og:image:height\" content=\"533\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Isabel Barrio\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Isabel Barrio\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/nordborn.lbhi.is\/?p=397\",\"url\":\"https:\/\/nordborn.lbhi.is\/?p=397\",\"name\":\"Large herbivore and carnivore populations in boreal and tundra ecosystems are highly variable in time and space - The Nordic Borealization Network\",\"isPartOf\":{\"@id\":\"https:\/\/nordborn.lbhi.is\/#website\"},\"datePublished\":\"2025-01-11T11:36:00+00:00\",\"dateModified\":\"2025-04-22T11:42:14+00:00\",\"author\":{\"@id\":\"https:\/\/nordborn.lbhi.is\/#\/schema\/person\/556ea4835cdda9b6be16f968eae6dffe\"},\"breadcrumb\":{\"@id\":\"https:\/\/nordborn.lbhi.is\/?p=397#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/nordborn.lbhi.is\/?p=397\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/nordborn.lbhi.is\/?p=397#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/nordborn.lbhi.is\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Large herbivore and carnivore populations in boreal and tundra ecosystems are highly variable in time and space\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/nordborn.lbhi.is\/#website\",\"url\":\"https:\/\/nordborn.lbhi.is\/\",\"name\":\"The Nordic Borealization Network\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/nordborn.lbhi.is\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/nordborn.lbhi.is\/#\/schema\/person\/556ea4835cdda9b6be16f968eae6dffe\",\"name\":\"Isabel Barrio\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/nordborn.lbhi.is\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/eb1f768e1f557e7943d61e946f88b5e9f563aeb8e5f04c96f3bdd084a767cdb6?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/eb1f768e1f557e7943d61e946f88b5e9f563aeb8e5f04c96f3bdd084a767cdb6?s=96&d=mm&r=g\",\"caption\":\"Isabel Barrio\"},\"url\":\"https:\/\/nordborn.lbhi.is\/?author=2\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Large herbivore and carnivore populations in boreal and tundra ecosystems are highly variable in time and space - The Nordic Borealization Network","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/nordborn.lbhi.is\/?p=397","og_locale":"en_US","og_type":"article","og_title":"Large herbivore and carnivore populations in boreal and tundra ecosystems are highly variable in time and space - The Nordic Borealization Network","og_description":"NordBorN researchers have estimated and mapped historic biomass densities of large herbivores and carnivores across Norway. The current high densities of wild ungulates, especially moose and roe deer, contrast with historically high densities of livestock. Carnivores show a low level of recovery from near absence in the mid 20th\u00a0century. 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