Plant Community and Succession in Lowland Grasslands under Saline–Alkali Conditions with Grazing Exclusion

Zhao, Xiang; Zhu, Huisen; Kuan-hu, Dong; Li, Deying

doi:10.2134/agronj2016.12.0734

Cited by 13 publications

(11 citation statements)

References 42 publications

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“…The soil was classified as chestnut soil (Chinese classification) or a Calcic Luvisol. The primary vegetation is that of a semiarid steppe dominated by perennials, including Leymus secalinus , Potentilla anserine , Artemisia frigida , Salsola collina , Puccinellia florida , Polygonum sibiricum , and Phragmites communis (Zhao, Zhu, Dong, & Li, ).…”

Section: Methodsmentioning

confidence: 99%

Effects of grazing exclusion on soil–vegetation relationships in a semiarid grassland on the Loess Plateau, China

et al. 2018

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Grazing exclusion (GE) is regarded as an effective practice to restore degraded grasslands. However, the patterns of vegetation recovery and related regulating factors in response to fencing have not been fully recognized. Hence, quantitative analysis of vegetation-soil relationships in response to GE was conducted in a semiarid grassland located on the Loess Plateau, North China. The results revealed that enclosure establishment significantly increased vegetation cover, height, and productivity but reduced plant diversity. Soil bulk density (0-20 cm) and pH (0-50 cm) clearly decreased after GE, whereas soil water (0-20 cm), organic matter (0-10 cm and 30-40 cm), and nutrient concentration (0-20 cm) increased significantly. Redundancy analysis of vegetation and environmental variables suggested that edaphic properties, including soil water, soil pH, total N, bulk density, and organic matter, was associated with plant community composition. Subsequent canonical correlation analysis indicated that soil bulk density, organic matter, and total N played an important role in shaping vegetation patterns in response to fencing whereas variations in soil pH and total N were the major contributors to variations in grazing rangeland. This work emphasized that fencing is a positive grassland management approach and suitable changes in grazing stock and soil variability are required to quantify vegetation recovery in response to grazing exclusion.

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Section: Methodsmentioning

confidence: 99%

Effects of grazing exclusion on soil–vegetation relationships in a semiarid grassland on the Loess Plateau, China

et al. 2018

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“…Among them, grassland degradation is the most frequent, as grassland ecosystems are more sensitive to changes in temperature, precipitation, and soil moisture than other ecosystems [65]. In recent years, under the influence of unfavorable natural factors such as drought, sandstorm, water erosion, salinity, internal helium, groundwater level change, or unreasonable human activities such as overgrazing, over-excavation, indiscriminate cutting and slashing, the grassland utilization performance declined and the grassland ecosystem continued to degenerate [66]. Therefore, the dynamic monitoring and prevention of grassland degradation are the main work content of regional ecological environment protection.…”

Section: Analysis Of High-frequency Abstractmentioning

confidence: 99%

A Bibliometric Analysis on Land Degradation: Current Status, Development, and Future Directions

Xie

Zhang

et al. 2020

Land

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Land degradation is a global issue receiving much attention currently. In order to objectively reveal the research situation of land degradation, bibliometrix and biblioshiny software packages have been used to conduct data mining and quantitative analysis on research papers in the fields of land degradation during 1990–2019 (data update time was 8 April 2019) in the Web of Science core collection database. The results show that: (1) during the past 20 years, the number of papers on land degradation has increased. According to the number of articles, it is divided into four stages: a low-production exploration period, a developmental sprout period, expansion of the promotion period, and a high-yield active period. (2) Land-degradation research covers 93 countries or regions. The top five countries in terms of research volume are China, the United States, the United Kingdom, Germany, and Australia. China, the United States, and the United Kingdom are the most important countries for international cooperation in the field of land degradation. However, cooperation between countries is not very close overall. (3) Land degradation, degradation, desertification, remote sensing, soil erosion, and soil degradation are high-frequency keywords in the field of land degradation in recent years. (4) The research hotspots in the field of land degradation mainly focus on research directions such as restoration and reconstruction of land degradation, and sustainable management of land resources. (5) The themes of various periods in the field of land degradation are diversified, and the evolutionary relationship is complex. There are 15 evolutionary paths with regard to dynamic monitoring of land degradation, environmental governance of land degradation, and responses of land degradation to land-use change. Finally, the paper concludes that the research directions on land degradation in future include the process, mechanism, and effect of land degradation, the application of new technologies, new monitoring methods for land degradation, theory enhancement, methods and models of ecological restoration, reconstruction of degraded land, multidisciplinary integrated system research, constructing a policy guarantee system for the reconstruction of degraded land, and strengthening research on land resource engineering.

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“…The authors' information contained in the collected data allows for the identification of lead authors, as well as their institutions and countries in the field of food security. The h-index refers to the number of published papers that have been cited at least h times [70]. The h-index, total citations, number of publications, and year of first publication in the area of food security for the top 10 influential authors who make the largest contribution to the WoS database are shown in Table 1.…”

Section: Authorsmentioning

confidence: 99%

Global Trends on Food Security Research: A Bibliometric Analysis

Xie

Wen

Choi

et al. 2021

Land

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The issue of food security has been widely studied by the international community. To reveal the research situation as it pertains to food security objectively, this paper comprehensively utilizes bibliometrics techniques (i.e., Bibliometrix, VOSviewer, and CiteSpace) to explore the research status and development trends in the area of food security. The results show that: (1) food security research has shown an increasing trend during the past 30 years. The 2013–2019 period was shown to be an active period with a high yield of articles, which were published mainly in the developed regions of Europe and America. Particularly, the number of articles published in the United States was far ahead of other countries in the world. (2) Food security research involved agriculture, environmental science and ecology, food science and technology, and business economics. The research topic is an interdisciplinary subject with a good momentum of development and a large space remaining for research. (3) Climate change, poverty, gender, nutrition, and diet structure have been the focuses of food security research in recent years. Food security in China, India, and sub-Saharan Africa has attracted wide attention. (4) Food security research is becoming more and more mature. The research scope extended from food security to food security and water and land resource security. Research topics range from decentralized to systematic. (5) Food security research is likely to gain much attention in the future based on three pillars: food supply, food access, and food use. Sustainability and diversity of food supply, along with dietary restructuring and food conservation initiatives, are expected to be new trends in future research on land management.

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Plant Community and Succession in Lowland Grasslands under Saline–Alkali Conditions with Grazing Exclusion

Cited by 13 publications

References 42 publications

Effects of grazing exclusion on soil–vegetation relationships in a semiarid grassland on the Loess Plateau, China

Effects of grazing exclusion on soil–vegetation relationships in a semiarid grassland on the Loess Plateau, China

A Bibliometric Analysis on Land Degradation: Current Status, Development, and Future Directions

Global Trends on Food Security Research: A Bibliometric Analysis

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