Arid
Composition and abundance of the seed bank in a semiaridregion in tropical Mexico: spatial and temporal patterns
Cano-Salgado, Adriana1; Alejandro Zavala-Hurtado, Jose1; Orozco-Segovia, Alma2; Teresa Valverde-Valdes, Maria3; Perez-Rodriguez, Paulino4
通讯作者Cano-Salgado, Adriana
来源期刊REVISTA MEXICANA DE BIODIVERSIDAD
ISSN1870-3453
出版年2012
卷号83期号:2页码:437-446
英文摘要

The seed bank structure in the semiarid valley of Zapotitlan, Puebla was studied. The record of the composition and abundance of the seed bank was conducted in 2 types of vegetation (tetechera and thorny scrub) in the microhabitats (under shrubs, open space and refuse- dumps of granivorous ants Pogonomyrmex barbatus). Seed collection was carried out in dry, rainy and late rainy seasons for 2 years. There were no differences in seed density between seasons and years, but there were differences between microhabitats evaluated. The microhabitat of the ant refuse-dumps had the highest abundance of seeds, which highlights the importance of ants in the spatial conformation of the structure of communities in these ecosystems. Seeds of 38 species of plants were recorded. The average density ranged from 23 800 to 28 000 seeds m(-2), consistent with other reports for arid and semiarid regions. The most frequent species were the annual Eragrostis mexicana, Bouteloua barbata, Kallstroemia rosei and Portulaca pilosa. Results show that this area had a high heterogeneity at site and microhabitat level. It is necessary to conduct more studies on spatio-temporal patterns in seed banks and their relationship with the standing vegetation in arid and semiarid areas in Mexico.


英文关键词dynamics of communities arid ecosystems microhabitat seed rain
类型Article
语种西班牙语
国家Mexico
收录类别SCI-E
WOS记录号WOS:000306892000015
WOS关键词INTERTROPICAL REGION ; ANNUAL PLANTS ; MONTE DESERT ; SOIL ; COMMUNITY ; VEGETATION ; MICROHABITATS ; REGENERATION ; GERMINATION ; ARGENTINA
WOS类目Biodiversity Conservation
WOS研究方向Biodiversity & Conservation
来源机构Universidad Nacional Autónoma de México
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/174902
作者单位1.Univ Autonoma Metropolitana, Dept Biol, Unidad Iztapalapa, Mexico City 09340, DF, Mexico;
2.Univ Nacl Autonoma Mexico, Inst Ecol, Lab Ecol Func, Mexico City 04510, DF, Mexico;
3.Univ Nacl Autonoma Mexico, Fac Ciencias, Dept Ecol & Recursos Nat, Mexico City 04510, DF, Mexico;
4.Colegio Postgrad, Programa Estadist, Texcoco 56230, Estado De Mexic, Mexico
推荐引用方式
GB/T 7714
Cano-Salgado, Adriana,Alejandro Zavala-Hurtado, Jose,Orozco-Segovia, Alma,et al. Composition and abundance of the seed bank in a semiaridregion in tropical Mexico: spatial and temporal patterns[J]. Universidad Nacional Autónoma de México,2012,83(2):437-446.
APA Cano-Salgado, Adriana,Alejandro Zavala-Hurtado, Jose,Orozco-Segovia, Alma,Teresa Valverde-Valdes, Maria,&Perez-Rodriguez, Paulino.(2012).Composition and abundance of the seed bank in a semiaridregion in tropical Mexico: spatial and temporal patterns.REVISTA MEXICANA DE BIODIVERSIDAD,83(2),437-446.
MLA Cano-Salgado, Adriana,et al."Composition and abundance of the seed bank in a semiaridregion in tropical Mexico: spatial and temporal patterns".REVISTA MEXICANA DE BIODIVERSIDAD 83.2(2012):437-446.
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