Arid
DOI10.1111/rec.12574
Long-term trends in restoration and associated land treatments in the southwestern United States
Copeland, Stella M.1,2; Munson, Seth M.2; Pilliod, David S.3; Welty, Justin L.3; Bradford, John B.2; Butterfield, Bradley J.1
通讯作者Copeland, Stella M.
来源期刊RESTORATION ECOLOGY
ISSN1061-2971
EISSN1526-100X
出版年2018
卷号26期号:2页码:311-322
英文摘要

Restoration treatments, such as revegetation with seeding or invasive species removal, have been applied on U.S. public lands for decades. Temporal trends in these management actions have not been extensively summarized previously, particularly in the southwestern United States where invasive plant species, drought, and fire have altered dryland ecosystems. We assessed long-term (1940-2010) trends in restoration using approximately 4,000 vegetation treatments conducted on Bureau of Land Management lands across the southwestern United States. We found that since 1940, the proportions of seeding and vegetation/soil manipulation (e.g. vegetation removal or plowing) treatments have declined, while the proportions of prescribed burn and invasive species treatments have increased. Treatments in pinyon-juniper and big sagebrush communities declined in comparison to treatments in desert scrub, creosote bush, and riparian woodland communities. Restoration-focused treatment objectives increased relative to resource extraction objectives. Species richness and proportion of native species used in seeding treatments also increased. Inflation-adjusted costs per area rose 750% for vegetation/soil manipulation, 600% for seeding, and 400% for prescribed burn treatments in the decades from 1981 to 2010. Seeding treatments were implemented in warmer and drier years when compared to the climate conditions of the entire study period and warmer and wetter years relative to several years before and after the treatment. These results suggest that treatments over a 70-year period on public lands in the southwestern United States are shifting toward restoration practices that are increasingly large, expensive, and related to fire and invasive species control.


英文关键词Bureau of Land Management (BLM) drylands fire invasive nonnative species Land Treatment Digital Library land-use disturbance public land rehabilitation
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000426523600014
WOS关键词GRASSLAND RESTORATION ; PLANT MATERIALS ; CLIMATE-CHANGE ; VEGETATION ; DESERT ; WILDFIRES ; DESERTIFICATION ; CONTINGENCY ; ECOSYSTEM ; ECOLOGY
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
来源机构United States Geological Survey
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/212733
作者单位1.No Arizona Univ, Merriam Powell Ctr Environm Res, 805 S Beaver St, Flagstaff, AZ 86011 USA;
2.US Geol Survey, Southwest Biol Sci Ctr, 2255 N Gemini Dr, Flagstaff, AZ 86001 USA;
3.US Geol Survey, Forest & Rangeland Ecosyst Sci Ctr, 970 Lusk St, Boise, ID 83706 USA
推荐引用方式
GB/T 7714
Copeland, Stella M.,Munson, Seth M.,Pilliod, David S.,et al. Long-term trends in restoration and associated land treatments in the southwestern United States[J]. United States Geological Survey,2018,26(2):311-322.
APA Copeland, Stella M.,Munson, Seth M.,Pilliod, David S.,Welty, Justin L.,Bradford, John B.,&Butterfield, Bradley J..(2018).Long-term trends in restoration and associated land treatments in the southwestern United States.RESTORATION ECOLOGY,26(2),311-322.
MLA Copeland, Stella M.,et al."Long-term trends in restoration and associated land treatments in the southwestern United States".RESTORATION ECOLOGY 26.2(2018):311-322.
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