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title: Increasing temperature causes flowering onset time changes of alpine ginger Roscoea in the Central Himalayas
author: Dharmalingam Mohandass;  Jian-Li Zhao;  Yong-Mei Xia;  Mason J. Campbell;  Qing-Jun Li
Issued Date: 2015
Abstract: Recent herbarium-based phenology assessments of many plant species have found significant responses to global climate change over the previous century. In this study, we investigate how the flowering phenology of three alpine ginger Roscoea species responses to climate change over the century from 1913 to 2011, by comparing between herbarium-based phenology records and direct flowering observations. According to the observations, flowering onset of the three alpine ginger species occurred either 22 days earlier or was delayed by 8–30 days when comparing the mean peak flowering date between herbarium-based phenology records and direct flowering observations. It is likely that this significant change in flowering onset is due to increased annual minimum and maximum temperatures and mean annual temperature by about 0.053°C per year. Our results also show that flowering time changes occurred due to an increasing winter–spring minimum temperature and monsoon minimum temperature, suggesting that these Roscoea species respond greatly to climate warming resulting in changes on flowering times.
Source: Journal of Asia-Pacific Biodiversity
Appears in Collections:植物进化生态研究组_期刊论文

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Recommended Citation:
Dharmalingam Mohandass,Jian-Li Zhao,Yong-Mei Xia,et al. Increasing Temperature Causes Flowering Onset Time Changes Of Alpine Ginger Roscoea In The Central Himalayas[J]. Journal Of Asia-pacific Biodiversity,2015,8(3):191-198.

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