Arid
DOI10.2134/jeq1998.00472425002700050028x
Seeding native plants to restore desert farmland and mitigate fugitive dust and PM10
Grantz, DA; Vaughn, DL; Farber, R; Kim, B; Zeldin, M; VanCuren, T; Campbell, R
通讯作者Grantz, DA
来源期刊JOURNAL OF ENVIRONMENTAL QUALITY
ISSN0047-2425
EISSN1537-2537
出版年1998
卷号27期号:5页码:1209-1218
英文摘要

Windblown fugitive dust contributes to violations of air quality standards for particulate matter <10 mu m aerodynamic diameter (PM10). In the western Mojave Desert of California, approximately 1070 ha of previously tilled or over-grazed land impacted downwind metropolitan areas by wind-driven emissions of dust. A protocol of furrowing across the wind and direct seeding of three native perennial shrubs and a bunch grass helped reduce fugitive dust emissions in this area by more than 95%. Seeded species varied from 35 to 97% of Living plant cover in individual years, reflecting rainfall patterns. In areas of deep sand, Indian ricegrass (Achnatherum hymenoides Roemer & Shultes) outperformed the shrubs, while fourwing saltbush [Atriplex canescens (Pursh) Nutt.] exhibited the most widespread establishment. This revegetation was achieved in an anomalous year with above average and late rainfall that eliminated early competition from annual species and later fostered abundant shrub growth. This success was not reproducible in more normal years, when minimal disturbance protocols such as broadcasting of seed on the untilled soil surface were as effective and less costly. We conclude: (i) direct seeding can lead to plant establishment in favorable years, but is likely to fail in any given year, (ii) direct seeding should be implemented with little soil disturbance, (iii) the native fourwing saltbush is the most likely species to become established in this environment, and (iv) unpredictable rainfall and temperature require that direct seeding be backed up with alternative strategies to achieve reliable dust and PM10 mitigation in arid environments.


类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000076059600027
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/136140
作者单位(1)Univ Calif Riverside, Kearney Agr Ctr, Parlier, CA 93648 USA;(2)So Calif Edison Co, Rosemead, CA 91770 USA;(3)S Coast Air Qual Management dist, Diamond Bar, CA 91765 USA;(4)Calif Air Resources Board, Sacramento, CA 95812 USA;(5)Antelope Valley Resource Conservat Dist, Lancaster, CA 93534 USA
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GB/T 7714
Grantz, DA,Vaughn, DL,Farber, R,et al. Seeding native plants to restore desert farmland and mitigate fugitive dust and PM10[J],1998,27(5):1209-1218.
APA Grantz, DA.,Vaughn, DL.,Farber, R.,Kim, B.,Zeldin, M.,...&Campbell, R.(1998).Seeding native plants to restore desert farmland and mitigate fugitive dust and PM10.JOURNAL OF ENVIRONMENTAL QUALITY,27(5),1209-1218.
MLA Grantz, DA,et al."Seeding native plants to restore desert farmland and mitigate fugitive dust and PM10".JOURNAL OF ENVIRONMENTAL QUALITY 27.5(1998):1209-1218.
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