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Hanna Maria Resvoll-Holmsen (''née'' Resvoll) (September 11, 1873 in Vågå, Oppland – March 13, 1943 in Oslo) was a Norwegian botanist – a female pioneer in Norwegian natural history education and nature conservation together with her sister, Thekla Resvoll. ==Life== Hanna Resvoll-Holmsen suffered much from illness in her childhood and school attention after her 12th year was sporadic. She took high school exam 1902, at which time she had also an unhappy marriage behind her. She studied natural history at the Royal Frederik’s University in Kristiania and graduated in botany in 1910. From 1921, she was docent in plant geography at the same university, a position she held until her retirement in 1938. Hanna Resvoll-Holmsen participated as a botanist in the Svalbard expedition in 1907 led by the oceanographer Prince Albert. The next year she went to Svalbard alone mainly to take photographs, partly in colour. These photographs constitute a uniqueearly documentation of Svalbard’s nature. Her botanical observations were first published as ''Observations botaniques'' in Monaco, later in Norwegian as ''Svalbards Flora'' (1927) – the first flora of this archipelago. Using Christen C. Raunkiær’s quantitative methods,〔Shimwell, D.W. (1971) The Description and Classification of Vegetation. Sidgwick & Jackson, London.〕 she made a large vegetation survey of Norwegian alpine vegetation, published as ''Om Fjeldvegetationen i det Østenfjeldske Norge'' (On the mountain vegetation in Norway east of the Scandes; 1920). She was particularly interested in the subalpine birch forests. She published an essay ''Om betydningen av det uensartede i våre skoger'' (On the significance of heterogeneity in forests), which made plead for the conservation of natural mountain forest and criticized its replacement by spruce plantations. This pamphlet caused much animosity against her among foresters. Together with the geologist Adolf Hoel, she was behind the first designation of a conservation area in Svalbard. She was a strong advocate for nature conservation in the Norwegian mountains. She is known in Norwegian conservation circles as the country’s first ''green stocking''. Resvoll-Holmsen was first married to Hans Dieset (divorced 1901), then from 1909 to state geologist Gunnar Holmsen (1880–1976), brother of her sister’s husband. The buttercup species ''Ranunculus resvoll-holmseniae'' (Ranunculaceae) has been named to her honour. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hanna Resvoll-Holmsen」の詳細全文を読む スポンサード リンク
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