Effect of elevated atmospheric CO2 on soil nematode communities in a paddy-field

Abstract

Abstract: The effect of free-air CO₂ enrichment (FACE) on soil nematode communities in a paddy-field ecosystem was conducted.27 families and 40 genera were observed in the nematode suspensions.The total numbers of nematodes,bacterivores,plant-parasites and omnivores-predators exhibited an increasing trend at the rice jointing stage.The numbers of fungivores were lower in the FACE plots than in the ambient plots at the jointing and earing stages.At the ripening stage,the numbers of omnivores-predators exhibited a decreasing trend.Two genera (Hirschmanniella,Boleodorus) of plant-parasites were sensitive to the elevated atmospheric CO₂.

Key words: Soil, Turning band method, Conditional simulation, Heavy metal

CLC Number:

S511

LI Qi, JIANG Yong, LIANG Wenju, ZHU Jianguo. Effect of elevated atmospheric CO₂ on soil nematode communities in a paddy-field[J]. cje, 2004, (3): 34-38.

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Effect of elevated atmospheric CO₂ on soil nematode communities in a paddy-field

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