Arid
DOI10.1007/s00468-015-1173-8
Geomorphological-related heterogeneity as reflected in tree growth and its relationships with climate of Monte Desert Prosopis flexuosa DC woodlands
Piraino, Sergio1; Maria Abraham, Elena2; Diblasi, Angela3,4; Roig Junent, Fidel Alejandro1
通讯作者Piraino, Sergio
来源期刊TREES-STRUCTURE AND FUNCTION
ISSN0931-1890
EISSN1432-2285
出版年2015
卷号29期号:3页码:903-916
英文摘要

Key message Across the Central Monte Desert district in Argentina, landform and soil variability drive radial growth of Prosopis flexuosa and its relation with precipitation.


Desert forests grow under diverse ecological conditions, mainly resulting from the spatial heterogeneity of drylands with consequences on tree growth and its interactions with climate. In the Monte Desert, geomorphological processes generate landform and soil variability, determining the distribution and growth of plant species. Prosopis flexuosa DC., a dominant tree species in the Central Monte Desert, grows in territories characterized by a high variability of landform and soil. We applied classical dendrochronological and statistical analysis to disentangle the effect of spatial heterogeneity upon the species radial growth and its further relation with precipitation fluctuations. Trees from 11 plots distributed in seven P. flexuosa forests encompassing the most important geomorphological/landform units in the Central Monte Desert were analyzed. Tree-ring development at both high and low frequencies reflects spatial landform variability. Soil heterogeneity drives ring growth within landform. Regionally, precipitation influences radial growth at the beginning and the end of the growing season, while locally dependent mechanisms related to landform/soil variability emerged. In this sense, the negative influence of latesummer precipitation found for a riparian chronology is a function of soil permeability. Ring growth at the paleoriver environment depends on late spring and early midsummer precipitation, with within-landform differences probably related to soil heterogeneity. In the case of interdune and lowland units, radial growth depends on early spring rainfall. Our findings highlight the influence of the heterogeneity of desert environments on tree growth. The information is relevant to management and conservation policies, particularly for the forests of P. flexuosa in Argentine Monte.


英文关键词Algarrobo dulce Dendroclimatology Ecological gradient Semi-arid woodland Tree-ring variability
类型Article
语种英语
国家Argentina
收录类别SCI-E
WOS记录号WOS:000354484000026
WOS关键词CAMBIAL ACTIVITY ; RESPONSES ; FORESTS ; WATER ; ECOSYSTEMS ; DYNAMICS
WOS类目Forestry
WOS研究方向Forestry
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/190669
作者单位1.CCT CONICET Mendoza, IANIGLA, Lab Dendrocronol & Hist Ambiental, Mendoza, Argentina;
2.CCT CONICET Mendoza, IADIZA, Lab Desertificac & Ordenamiento Terr LADyOT, Mendoza, Argentina;
3.UNCuyo, Fac Ciencias Econ, Ctr Univ, RA-5500 Mendoza, Argentina;
4.CCT CONICET Mendoza, Area Ciencias Exactas, Mendoza, Argentina
推荐引用方式
GB/T 7714
Piraino, Sergio,Maria Abraham, Elena,Diblasi, Angela,et al. Geomorphological-related heterogeneity as reflected in tree growth and its relationships with climate of Monte Desert Prosopis flexuosa DC woodlands[J],2015,29(3):903-916.
APA Piraino, Sergio,Maria Abraham, Elena,Diblasi, Angela,&Roig Junent, Fidel Alejandro.(2015).Geomorphological-related heterogeneity as reflected in tree growth and its relationships with climate of Monte Desert Prosopis flexuosa DC woodlands.TREES-STRUCTURE AND FUNCTION,29(3),903-916.
MLA Piraino, Sergio,et al."Geomorphological-related heterogeneity as reflected in tree growth and its relationships with climate of Monte Desert Prosopis flexuosa DC woodlands".TREES-STRUCTURE AND FUNCTION 29.3(2015):903-916.
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