Arid
DOI10.1007/s42965-020-00080-y
Leaf nutrient dynamics of shrubs in a tropical dry deciduous forest in Rajasthan in North-West India
Mishra, Vivek1; Yadav, Atar Singh2; Mathur, Ritu1
通讯作者Mishra, Vivek
来源期刊TROPICAL ECOLOGY
ISSN0564-3295
EISSN2661-8982
出版年2020
卷号61期号:2页码:196-202
英文摘要The leaf nutrient dynamics of shrubs was evaluated in a tropical dry deciduous forest in Rajasthan, North-West India (27 degrees 4 ' to 28 degrees 4 ' N and 76 degrees 7 ' to 77 degrees 13 ' E). Samples of immature, mature and senescing leaves of deciduous shrubs, Justicia adhatoda and Grewia flavescens and an evergreen shrub, Capparis sepiaria were collected from three locations from the middle part of the West facing hill slope in the protected Bala-fort forest. The leaves for each species for each developmental stage were analysed to estimate the percentage of 11 elements by X-ray fluorescence method. The immature leaves of Capparis sepiaria showed maximum percentage of K (2.1) and Ca (1.17) in comparison to other elements. Similarly Justicia adhatoda and Grewia flavescens exhibited highest percentage of K and Ca in immature leaves. In mature leaves percentage of K and Ca increased in Justicia adhatoda, percentage of only K increased in Grewia flavescens whereas percentage of K declined and Ca increased in Capparis sepiaria. Out of the 11 elements evaluated, Justicia adhatoda, Grewia flavescens and Capparis sepiaria resorbed 10, 8 and 5 elements, respectively. Different shrubs concentrate and reabsorb varying amounts of different elements in their leaves. The resorption efficiency of elements in deciduous shrubs was higher than the evergreen shrub. The resorption efficiency of elements in shrubs was higher in the nutrient rich soil. Thus, it may be suggested that resorption pattern of shrubs is different from that of tree species. The slow leaf nutrient dynamics of the evergreen shrub may be attributed to its small size and longer life span of leaves as compared to the other two species. Thus, the low nutrient requirement for leaf development appears to be a better adaptation of the evergreen shrub than the deciduous shrubs in this semi-arid climate of this region. It may be suggested that shrubs play important role in the conservation of nutrients in the tropical dry deciduous forests of semi-arid regions in India.
英文关键词Deciduous shrub Evergreen shrub Immature leaves Mature leaves Resorption Senescing leaves
类型Article
语种英语
国家India
收录类别SCI-E
WOS记录号WOS:000536738700001
WOS关键词USE EFFICIENCY ; AUTUMNAL RESORPTION ; NITROGEN ; RETRANSLOCATION ; PROFICIENCY ; EVERGREEN ; RESPONSES ; LEAVES ; TREES ; PINE
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/318693
作者单位1.RR Govt Autonomous Coll, Dept Chem, Alwar 301001, Rajasthan, India;
2.RR Govt Autonomous Coll, Dept Bot, Alwar 301001, Rajasthan, India
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Mishra, Vivek,Yadav, Atar Singh,Mathur, Ritu. Leaf nutrient dynamics of shrubs in a tropical dry deciduous forest in Rajasthan in North-West India[J],2020,61(2):196-202.
APA Mishra, Vivek,Yadav, Atar Singh,&Mathur, Ritu.(2020).Leaf nutrient dynamics of shrubs in a tropical dry deciduous forest in Rajasthan in North-West India.TROPICAL ECOLOGY,61(2),196-202.
MLA Mishra, Vivek,et al."Leaf nutrient dynamics of shrubs in a tropical dry deciduous forest in Rajasthan in North-West India".TROPICAL ECOLOGY 61.2(2020):196-202.
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