2021
DOI: 10.1002/ldr.3856
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Soil seed bank characteristics in relation to different shrub species in semiarid regions

Abstract: Little information is available about the effects of different species of shrubs on the composition of the soil seed bank (SSB) in the semiarid regions. We determined the role of three dominant shrub species on SSB characteristics and evaluated their potential for their possible use in rangeland restoration projects. Fifteen sites, each containing three shrub species (Amygdalus scoparia, Daphne mezereum and Ebenus stellata) and a herbaceous patch (control) in close proximity, were sampled and their SSB density… Show more

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Cited by 11 publications
(9 citation statements)
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“…In this study, the SSB density is relatively high and is consistent with studies conducted in a South American warm desert (Luis et al, 1998) and a desert-oasis marginal zone in middle reaches of Heihe River, China (Li and Fang, 2008). The density of SSB plants is different from the SSB density observed in other arid and extremely arid deserts (Yu et al, 2015;Zhang and Li, 2018;Hadinezhad, et al, 2021). This difference may be caused by the fact that nebkhas, with various shrub species, increase buried seeds in soil by directly trapping seeds or by indirect mechanisms through an intermediary animal or plant species (Giladi et al, 2013).…”
Section: Discussionmentioning
confidence: 90%
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“…In this study, the SSB density is relatively high and is consistent with studies conducted in a South American warm desert (Luis et al, 1998) and a desert-oasis marginal zone in middle reaches of Heihe River, China (Li and Fang, 2008). The density of SSB plants is different from the SSB density observed in other arid and extremely arid deserts (Yu et al, 2015;Zhang and Li, 2018;Hadinezhad, et al, 2021). This difference may be caused by the fact that nebkhas, with various shrub species, increase buried seeds in soil by directly trapping seeds or by indirect mechanisms through an intermediary animal or plant species (Giladi et al, 2013).…”
Section: Discussionmentioning
confidence: 90%
“…Due to the fluctuation of nebkha height, soil moisture, light radiation, soil nutrients, and sand buried by wind erosion would change slightly in small local areas (Jia et al, 2021); at the bottom of nebkhas, wind erosion was not too severe. More plant litter accumulates, which reduces the loss of soil water and nutrients (Shao et al, 2001;Haas, 2004), and the increase in soil fertility improves vegetation growth, resulting in an increase in the number of species in aboveground vegetation (Zhang et al, 2006;Hadinezhad et al, 2021).…”
Section: Discussionmentioning
confidence: 99%
“…In addition, total SSB richness was calculated per soil sample (number of species observed under each patch). Moreover, Shannon diversity and Pielou evenness indices were calculated for the SSB species of each disturbed and undisturbed patch (Hadinezhad et al, 2020). Correlation between the species composition of aboveground vegetation and the SSB was separately assessed by Sørensen's qualitative similarity index for each disturbed and undisturbed patch (Erfanzadeh et al, 2014).…”
Section: Discussionmentioning
confidence: 99%
“…Vegetation is sparse and arid desert grassland, with single species and a simple structure consisting mainly of shrubs, semi‐shrubs and herbs with high drought resistance, including a large proportion of halophytes. The semi‐desert plant community is clustered, especially near shrubby and thorny patches, where a lower intensity of grazing occurs (Hadinezhad et al, 2021). The soil type is saline desert soil (Liu, 1962).…”
Section: Methodsmentioning
confidence: 99%