{"id":16551,"date":"2019-08-02T06:18:01","date_gmt":"2019-08-02T06:18:01","guid":{"rendered":"https:\/\/www.revoscience.com\/en\/?p=16551"},"modified":"2020-06-09T12:42:36","modified_gmt":"2020-06-09T12:42:36","slug":"new-study-shows-tree-demography-changes-in-northern-forests","status":"publish","type":"post","link":"https:\/\/www.revoscience.com\/en\/new-study-shows-tree-demography-changes-in-northern-forests\/","title":{"rendered":"New study shows, tree demography changes in northern forests"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

According to recent research lead by Hokkaido University<\/a><\/strong> shows Climate change alters tree demography changes in northern forests. <\/p>\n\n\n\n

The findings demonstrate how climate change\nhas changed the forests\u2019 demography and caused a directional change in the\nregion, from being sub-boreal conifer-dominated to cool-temperate broad-leaved\ntree dominated.<\/p>\n\n\n\n

Climate change as evidenced by, for example,\nan increase in the number of downpours and super typhoons, is impacting our\ndaily lives. <\/p>\n\n\n\n

“The rise in temperature and\nprecipitation levels in summer in northern Japan, has negatively affected the\ngrowth of conifers. And resulted in their gradual decline, according to a\n38-year-long study in which mixed forests of conifers and broad-leaved trees were\nmonitored” according to researchers from Hokkaido University.<\/p>\n\n\n\n

Forest ecosystems around the world are not\nexempt from this, but there are many issues to still clarify, such as\nspecies-specific responses to climate change and their mechanisms.<\/p>\n\n\n\n

The present study published in\u00a0Forest Economy and\nManagement<\/em>\u00a0is only one among several studies conducted based on a\nlong-term monitoring of data.<\/p>\n\n\n\n

\u00a0The researchers investigated more than eight thousand individual trees in 17.5-hectare primeval reserve areas (Osashima and Panke) inside Hokkaido University\u2019s Nakagawa Experimental Forest situated in Hokkaido in northern Japan from 1979 to 2016. <\/p>\n\n\n\n

The team monitored their growth rates, mortality and recruitment (the process by which seeds establish themselves in an area and grow into mature individuals) rates and then analyzed the influence by climate change.<\/p>\n\n\n\n

\u201cShifts in species composition could bring about major\nchanges in the ecological systems of mixed forests, such as their roles in\ncarbon storage, quality water provision, biodiversity maintenance and wood\nsupply. In order to devise measures that help us adapt to climate change, it is\nessential to analyze the state of forests from the perspective of their\necological functions and services (benefits to humans),\u201d Tsutomu Hiura\ncommented.<\/p>\n
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