Treee: Part One: 1

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Prindle, Tara (1994). "Uses for birch bark". NativeTech: Native American Technology and Art. Archived from the original on 18 September 2012 . Retrieved 27 July 2012. Heijden, Marcel G. A. van der (15 April 2016). "Underground networking". Science. 352 (6283): 290–291. Bibcode: 2016Sci...352..290H. doi: 10.1126/science.aaf4694. PMID 27081054. S2CID 133399719.

Baluška, František; Mancuso, Stefano (2009). Signaling in Plants. Springer. pp.83–84. ISBN 978-3-540-89227-4. Archived from the original on 19 August 2020 . Retrieved 29 May 2020. This discovery is two or three million years older than the previous oldest forest at Gilboa, also in New York State. [12] Tree value estimation [ change | change source ] Trees play a significant role in reducing erosion and moderating the climate. They remove carbon dioxide from the atmosphere and store large quantities of carbon in their tissues. Trees and forests provide a habitat for many species of animals and plants. Tropical rainforests are among the most biodiverse habitats in the world. Trees provide shade and shelter, timber for construction, fuel for cooking and heating, and fruit for food as well as having many other uses. In much of the world, forests are shrinking as trees are cleared to increase the amount of land available for agriculture. Because of their longevity and usefulness, trees have always been revered, with sacred groves in various cultures, and they play a role in many of the world's mythologies.Women watch: International Day of Rural Women". United Nations Inter-agency Network on Women and Gender Equality. 15 October 2008. Archived from the original on 17 December 2011 . Retrieved 1 August 2012. a b Dwell, LLC (February 2007). Dwell. Dwell, LLC. p.96. ISSN 1530-5309. Archived from the original on 4 March 2017 . Retrieved 28 February 2016. Yatskievych, George. "Tree fern". Encyclopædia Britannica. Archived from the original on 10 June 2012 . Retrieved 4 August 2012. Cork Flooring is Environmentally Sustainable". AZoM.com. 27 February 2006. Archived from the original on 7 November 2012 . Retrieved 26 July 2012.

Hawthorne, William; Lawrence, Anna (2012). Plant Identification: Creating User-Friendly Field Guides for Biodiversity Management. Routledge. p.138. ISBN 978-1-84407-079-4. Archived from the original on 7 February 2017 . Retrieved 28 February 2016. Many trees have flowers rich in nectar which are attractive to bees. The production of forest honey is an important industry in rural areas of the developing world where it is undertaken by small-scale beekeepers using traditional methods. [117] The flowers of the elder ( Sambucus) are used to make elderflower cordial and petals of the plum ( Prunus spp.) can be candied. [118] Sassafras oil is a flavouring obtained from distilling bark from the roots of the sassafras tree ( Sassafras albidum). Koch, George W.; Sillett, Stephen C.; Jennings, Gregory M.; Davis, Stephen D. (22 April 2004). "The limits to tree height". Nature. 428 (6985): 851–854. Bibcode: 2004Natur.428..851K. doi: 10.1038/nature02417. PMID 15103376. S2CID 11846291.Forest Layers, Stories, And Stratification". WorldAtlas. Archived from the original on 15 November 2017 . Retrieved 14 November 2017. Barbour, Michael G.; Billings, William Dwight (1999). North American Terrestrial Vegetation. Cambridge University Press. p.528. ISBN 978-0-521-55986-7. Archived from the original on 22 December 2016 . Retrieved 28 February 2016. The parts of a tree are the roots, trunk(s), branches, twigs and leaves. Tree stems are mainly made of support and transport tissues ( xylem and phloem). Wood consists of xylem cells, and bark is made of phloem and other tissues external to the vascular cambium. Lalonde, S.; Wipf, D.; Frommer, W. B. (2004). "Transport mechanisms for organic forms of carbon and nitrogen between source and sink". Annual Review of Plant Biology. 55: 341–372. doi: 10.1146/annurev.arplant.55.031903.141758. PMID 15377224. Consequently, from both a taxonomic and a phylogenetic perspective, the tree is an artificial category. On an ecological basis, however, the tree can be recognized as a natural construct, as it represents an adaptive strategy by many different taxa to exploit and dominate the habitat above the ground.