Evaluating the diversity of soil microbial communities in vineyards relative to adjacent native ecosystems

被引:43
作者
Holland, Taylor C. [1 ]
Bowen, Pat A. [2 ]
Bogdanoff, Carl P. [2 ]
Lowery, Thomas D. [2 ]
Shaposhnikova, Olga [2 ]
Smith, Scott [2 ]
Hart, Miranda M. [1 ]
机构
[1] Univ British Columbia, 3333 Univ Way, Kelowna, BC V1V 1V7, Canada
[2] Pacific Agri Food Res Ctr, 4200 Hwy 97 South, Summerland, BC V0H 1Z0, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
Viticulture; Bacteria; Fungi; Land use; Vineyard; ARBUSCULAR MYCORRHIZAL FUNGI; PLANT-SPECIES RICHNESS; LAND-USE INTENSITY; GRASSLAND SOILS; ORGANIC-MATTER; BACTERIAL; ABUNDANCE; AGROECOSYSTEMS; IDENTIFICATION; PRODUCTIVITY;
D O I
10.1016/j.apsoil.2015.12.001
中图分类号
S15 [土壤学];
学科分类号
0903 ; 090301 ;
摘要
Agricultural land use disturbs soil microbial communities, which can reduce crop production and impair ecosystem functioning. We investigated the effects of viticulture on the diversity and composition of three soil microbial communities: bacteria, fungi and arbuscular mycorrhizal fungi, by comparing communities in vineyards and nearby unmanaged areas. All three communities were influenced by land use. Bacteria had higher species richness in vineyards whereas arbuscular mycorrhizal fungi had higher richness in unmanaged areas. Differences between vineyards and unmanaged sites in community composition for the three microbial groups were related to both abiotic and biotic factors. In particular, bacterial communities were most sensitive to soil pH, whereas fungal (including AM fungi) communities responded more to changes in plant diversity. Other abiotic factors (cation exchange, temperature and soil texture) were correlated with community compositional changes, regardless of land use. These results indicate that viticulture practices influence key factors controlling soil microbial communities and possibly affect nutrient availability and other services provided by natural soil communities. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:91 / 103
页数:13
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