Grass (Poaceae) richness patterns across China’s nature reserves

Liu, Qing; Ge, Xue‐Jun; Chen, Wenli; Columbus, J. Travis

doi:10.1007/s11258-008-9483-1

Cited by 7 publications

(2 citation statements)

References 46 publications

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“…Legume (Fabaceae) and grass (Poaceae) are the two most functionally important plant groups on the globe (Croser et al, 2006 ; Liu et al, 2009 ). In agroecosystems, legume, and grass normally occur as food crops, vegetables, forages, cover crops, and weeds.…”

Section: Introductionmentioning

confidence: 99%

Variation in Soil Microbial Community Structure Associated with Different Legume Species Is Greater than that Associated with Different Grass Species

Yang¹,

Zhu

et al. 2017

Front. Microbiol.

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Plants are the essential factors shaping soil microbial community (SMC) structure. When most studies focus on the difference in the SMC structure associated different plant species, the variation in the SMC structure associated with phylogenetically close species is less investigated. Legume (Fabaceae) and grass (Poaceae) are functionally important plant groups; however, their influences on the SMC structure are seldom compared, and the variation in the SMC structure among legume or grass species is largely unknown. In this study, we grew three legume species vs. three grass species in mesocosms, and monitored the soil chemical property, quantified the abundance of bacteria and fungi. The SMC structure was also characterized using PCR-DGGE and Miseq sequencing. Results showed that legume and grass differentially affected soil pH, dissolved organic C, total N content, and available P content, and that legume enriched fungi more greatly than grass. Both DGGE profiling and Miseq-sequencing indicated that the bacterial diversity associated with legume was higher than that associated with grass. When legume increased the abundance of Verrucomicrobia, grass decreased it, and furthermore, linear discriminant analysis identified some group-specific microbial taxa as potential biomarkers of legume or grass. These data suggest that legume and grass differentially select for the SMC. More importantly, clustering analysis based on both DGGE profiling and Miseq-sequencing demonstrated that the variation in the SMC structure associated with three legume species was greater than that associated with three grass species.

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Section: Introductionmentioning

confidence: 99%

Variation in Soil Microbial Community Structure Associated with Different Legume Species Is Greater than that Associated with Different Grass Species

Yang¹,

Zhu

et al. 2017

Front. Microbiol.

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“…Altitudinal range is widely used as a proxy of habitat heterogeneity to explain spatial patterns of species diversity [6][7][8] . Most of the relevant studies showed that altitudinal range positively and significantly correlated with species diversity [9][10] , as wide altitudinal range could provide mosaics and gradients for critical resources, such as ambient energy availability, precipitation or micro-habitat affecting co-existing species, thereby leading to higher biodiversity [10] .…”

Section: Introductionmentioning

confidence: 99%

Altitudinal Gradient May Shadow the Effects of Altitudinal Range on Species Diversity

Feng

2014

AMM

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Altitudinal range is widely used as a proxy of habitat heterogeneity to explain broad-scale geographical patterns of species diversity. Though altitudinal range is a factors derived from altitudinal gradient, altitudinal range’s effects on species diversity on altitudinal gradient remain little known. Based on large scale information of plant species, climatic and geographical factors, we investigated the altitudinal patterns of plant species diversity in the East Himalaya regions, and the effects of altitudinal range on species diversity on altitudinal gradient. We constructed two coefficients, ARDMA (altitudinal range divided by median altitude) and SDDAR (species diversity divided by altitudinal range). We used Spearman’s rank correlation to examine the associations among all of factors. Our results showed that species diversity decreased as the increase of altitude, and significantly related to potential evaporation. No significant correlation was observed between altitudinal range and species diversity, whereas ARDMA significantly related to species diversity, suggesting that only when altitudinal gradient was controlled, were there significant correlations between altitudinal range and species diversity. SDDAR significantly and negatively related to median altitude. We concluded that energy availability significantly affected the altitudinal patterns of species diversity, and altitudinal gradient may shadow the effects of altitudinal range on species diversity.

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Phylogenetic signals in the realized climate niches of Chinese grasses (Poaceae)

Liu

Peterson

2011

Plant Ecol

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Explaining relationships between species richness and biogeographical patterns over a broad geographic scale is a central issue of biogeography and macroecology. We document the realized climate niches for grasses in China's nature reserves and discuss its formation mechanism using grass richness data combined with climatic, physiological, and phylogenetic data. Our results suggest that climate niche structure of grasses is phylogenetically conservative for BEP (Bambusoideae, Ehrhartoideae, and Pooideae) and PACMAD (Panicoideae, Arundinoideae, Chloridoideae, Micrairoideae, Aristidoideae, and Danthonioideae) clades along temperature gradients and for Chloridoideae and Panicoideae along precipitation gradients. At the national scale, the divergence patterns of climate niches between two major clades are more distinguishable than between C 3 and C 4 grasses. High rates of climate niche evolution are found in C 4 clades in the subtropical forest region. There appears to be a strong association between elevation gradients and grass diversity: the specific environmental conditions (e.g. energy) and the rapid shifts of climate conditions drive high grass diversification. Evolutionary conservatism of climate niches may be influenced by the specific adaptive ability to changing environmental conditions within NAD-ME/NADP-ME clades. Our results indicate that adaptations to major climate changes may be accomplished by C 4 grass nodes of high climate niche evolutionary rates in China's nature reserves.

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Grass (Poaceae) richness patterns across China’s nature reserves

Cited by 7 publications

References 46 publications

Variation in Soil Microbial Community Structure Associated with Different Legume Species Is Greater than that Associated with Different Grass Species

Variation in Soil Microbial Community Structure Associated with Different Legume Species Is Greater than that Associated with Different Grass Species

Altitudinal Gradient May Shadow the Effects of Altitudinal Range on Species Diversity

Phylogenetic signals in the realized climate niches of Chinese grasses (Poaceae)

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