Ecology of Inland Saline Plants

Kasera, Pawan K.; Mohammed, Sher

doi:10.1007/978-3-642-02550-1_14

Cited by 10 publications

(9 citation statements)

References 17 publications

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“…In our study, the result of CCA analysis demonstrated that soil moisture was the principal factor influencing species distribution. This may be due to the fact that water is the limiting ecological factor controlling species distribution in arid and semiarid regions (Kasera and Mohammed 2010;Zhou et al 2015). Elia´sˇet al (2013) also found that the water regime overriding the salinity gradient played an important role in dry zones.…”

Section: Discussionmentioning

confidence: 99%

“…In arid and semi-arid inland regions, climate is one of the most important factors influencing salinity (Thomas and Middleton 1993). Various climatic factors, such as low rainfall, high temperature, intensive evaporation, are essential prerequisite for the formation of saline-alkali soils (Kasera and Mohammed 2010). Because of scarce and unevenly distributed precipitation during the growing season, soil salinity concentrations in these habitats, tend to be more variable than coastal marshes (Ungar 1979;Breckle and Wucherer 2012).…”

Section: Introductionmentioning

confidence: 99%

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Soil moisture and salt ionic composition effects on species distribution and diversity in semiarid inland saline habitats, northwestern China

Zhang

Zhao

Zhang

2018

Ecological Research

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Salinization is one of the main types causing land desertification in arid and semi‐arid regions. Little is known about the impacts of salinization on the distribution and diversity of plant species, especially in semiarid inland saline habitats. We established a total of 40 sampling plots to determine plant community (floristic composition, species abundance, cover, frequency, and aboveground biomass) and soil characteristics (moisture, pH, electrical conductivity (EC), and the contents of Na+, K+, Ca2+, Mg2+, Cl−, SO42− and HCO3−). The TWINSPAN method was used to distinguish plant communities, by which three plant communities (I, II, III) were identified, namely Artemisia scoparia + Agropyron cristatum + Sophora alopecuroides (I), Kalidium gracile + Atriplex centralasiatica (II), and Salicornia europaea + Suaeda salsa (III). From I to III, the indices reflecting species diversity all decreased except for Pielou's index of evenness, while the aboveground biomass and cover increased; the characteristic indices of soil moisture, EC, the contents of Na+, K+, Ca2+, Mg2+, Cl−, SO42− and total dissolved salts (TDS) significantly increased, while the Ca2+/Na+, K+/Na+ ratios and HCO3− content significantly decreased. Canonical correspondence analysis (CCA) showed that the most important environmental factors influencing species distribution were: soil moisture, SO42−, K+/Na+ and pH. Stepwise multiple‐regression analysis indicated that species richness was correlated mainly with TDS and moisture. These results also suggested that vegetation can be used as a proxy indicating soil salt conditions, and their relationships can further provide important information for the improvement of salt‐affected soil's management and salt‐tolerant species utilization in environmental restoration.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Soil moisture and salt ionic composition effects on species distribution and diversity in semiarid inland saline habitats, northwestern China

Zhang

Zhao

Zhang

2018

Ecological Research

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“…Saline alkaline sediments and soils have an important impact on modern agriculture and grasslands as well as the global carbon cycle, and are both natural and anthropogenic (James et al, 2005;Kasera and Mohammed, 2009). Natural saline alkaline sediments are frequently present in the modern arid and semiarid regions of the world due to enhanced evaporation, which leaves behind abundant inorganic salts during drought periods .…”

Section: Introductionmentioning

confidence: 99%

Microbial lipid records of highly alkaline deposits and enhanced aridity associated with significant uplift of the Tibetan Plateau in the Late Miocene

Xie

Pancost

Chen

et al. 2012

Geology

115

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“…In harsh saline and hot desert conditions, these plants support wild life and are integral part of ecosystem. Details of biology, physiology and usage have been reviewed (Kasera and Mohammed 2010; Khan et al 2006; Sen et al 2002). …”

Section: Introductionmentioning

confidence: 99%

Salinity-induced modulation of growth and antioxidant activity in the callus cultures of miswak (Salvadora persica)

Sharma

Ramawat

2012

3 Biotech

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Miswak (Salvadora persica Linn.) is a medium-sized tree, desert facultative halophytic plant. Besides edible fruits and non-edible seed oil, the plant contains several bioactive compounds like alkaloids, tannins, saponins and sterols related to food and cosmetic industries. In the present study, physiological responses and antioxidant potential under salinity stress were investigated in callus cultures of S. persica to evaluate its use as a source of antioxidant. The callus cultures were grown on MS medium supplemented with 0.5 mg/l each of 2,4,5-T and BAP, which could be established successfully by regular subcultures of slow growing callus on this medium for several months. Increased dry weight, soluble proteins, proline, soluble carbohydrates and CAT activity were recorded under NaCl stress in comparison to control cultures. The DPPH and FRAP antioxidant activities were gradually elevated in NaCl-treated callus, whereas SOD quenching was recorded maximum at 200 mM. A significant correlation between antioxidant capacity and phenol content was observed, indicating that phenolic compounds are the major contributors to the antioxidant potential in S. persica. These findings suggest that increased salinity stress caused elevated antioxidant potentials and the plants grown in such conditions may serve as potential source of antioxidant.

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Ecology of Inland Saline Plants

Cited by 10 publications

References 17 publications

Soil moisture and salt ionic composition effects on species distribution and diversity in semiarid inland saline habitats, northwestern China

Soil moisture and salt ionic composition effects on species distribution and diversity in semiarid inland saline habitats, northwestern China

Microbial lipid records of highly alkaline deposits and enhanced aridity associated with significant uplift of the Tibetan Plateau in the Late Miocene

Salinity-induced modulation of growth and antioxidant activity in the callus cultures of miswak (Salvadora persica)

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