干旱区生态环境知识资源中心(Arid): Resting Subtropical Grasslands from Grazing in the Wet Season Boosts Biocrust Hotspots to Improve Soil Health

Arid

DOI	10.3390/agronomy12010062
	Resting Subtropical Grasslands from Grazing in the Wet Season Boosts Biocrust Hotspots to Improve Soil Health
	Williams, Wendy J.; Schmidt, Susanne; Zaady, Eli; Alchin, Bruce; Myint Swe, Than; Williams, Stephen; Dooley, Madeline; Penfold, Grace; O'Reagain, Peter; Bushell, John; Cowley, Robyn; Driscoll, Colin; Robinson, Nicole
通讯作者	Williams, WJ (corresponding author)，Univ Queensland, Sch Agr & Food Sci, NUE Lab, St Lucia, Qld 4074, Australia.
来源期刊	AGRONOMY-BASEL
EISSN	2073-4395
出版年	2022
卷号	12 期号:1
英文摘要	Effective grazing management in Australia's semi-arid rangelands requires monitoring landscape conditions and identifying sustainable and productive practice through understanding the interactions of environmental factors and management of soil health. Challenges include extreme rainfall variability, intensifying drought, and inherently nutrient-poor soils. We investigated the impacts of grazing strategies on landscape function-specifically soil health-as the foundation for productive pastures, integrating the heterogenous nature of grass tussocks and the interspaces that naturally exist in between them. At Wambiana-a long-term research site in north-eastern Australia-we studied two soil types, two stocking rates (high, moderate), and resting land from grazing during wet seasons (rotational spelling). Rotational spelling had the highest biocrust (living soil cover), in interspaces and under grass tussocks. Biocrusts were dominated by cyanobacteria that binds soil particles, reduces erosion, sequesters carbon, fixes nitrogen, and improves soil fertility. Rotational spelling with a moderate stocking rate emerged as best practice at these sites, with adjustment of stocking rates in line with rainfall and soil type recommended. In drought-prone environments, monitoring the presence and integrity of biocrusts connects landscape function and soil health. Biocrusts that protect and enrich the soil will support long-term ecosystem integrity and economic profitability of cattle production in rangelands.
英文关键词	landscape function drylands tropical rangelands grazing soil health biocrusts drought
类型	Article
语种	英语
开放获取类型	gold, Green Accepted
收录类别	SCI-E
WOS记录号	WOS:000757547700001
WOS关键词	CRUSTS ; CYANOBACTERIA ; MANAGEMENT ; QUEENSLAND ; GUIDELINES ; RANGELANDS ; PASTURES ; SAVANNAS ; LANDS
WOS类目	Agronomy ; Plant Sciences
WOS研究方向	Agriculture ; Plant Sciences
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/376687
作者单位	[Williams, Wendy J.; Schmidt, Susanne; Alchin, Bruce; Myint Swe, Than; Williams, Stephen; Dooley, Madeline; Penfold, Grace; Driscoll, Colin; Robinson, Nicole] Univ Queensland, Sch Agr & Food Sci, NUE Lab, St Lucia, Qld 4074, Australia; [Zaady, Eli] Inst Plant Sci, Agr Res Org Gilat Res Ctr, Dept Nat Resources, IL-8531100 Negev, Israel; [O'Reagain, Peter; Bushell, John] Queensland Dept Agr & Fisheries, Charters Towers, Qld 4820, Australia; [Cowley, Robyn] NT Dept Ind Tourism & Trade, Darwin, NT 0801, Australia
推荐引用方式 GB/T 7714	Williams, Wendy J.,Schmidt, Susanne,Zaady, Eli,et al. Resting Subtropical Grasslands from Grazing in the Wet Season Boosts Biocrust Hotspots to Improve Soil Health[J],2022,12(1).
APA	Williams, Wendy J..,Schmidt, Susanne.,Zaady, Eli.,Alchin, Bruce.,Myint Swe, Than.,...&Robinson, Nicole.(2022).Resting Subtropical Grasslands from Grazing in the Wet Season Boosts Biocrust Hotspots to Improve Soil Health.AGRONOMY-BASEL,12(1).
MLA	Williams, Wendy J.,et al."Resting Subtropical Grasslands from Grazing in the Wet Season Boosts Biocrust Hotspots to Improve Soil Health".AGRONOMY-BASEL 12.1(2022).