Arid
DOI10.1017/inp.2019.3
Satellite patches, patch expansion, and doubling time as decision metrics for invasion control: Pennisetum ciliare expansion in southwestern Arizona
Weston, Jaron D.1; McClaran, Mitchel P.1; Whittle, Richard K.2; Black, Christian W.2; Fehmi, Jeffrey S.1
通讯作者Fehmi, Jeffrey S.
来源期刊INVASIVE PLANT SCIENCE AND MANAGEMENT
ISSN1939-7291
EISSN1939-747X
出版年2019
卷号12期号:1页码:36-42
英文摘要Essential variables to consider for an efficient control strategy for invasive plants include dispersion pattern (i.e., satellite or invasion front) and patch expansion rate. These variables were demonstrated for buffelgrass [Pennisetum ciliare (L.) Link], a C-4 perennial grass introduced from Africa, which has invaded broadly around the world. The study site was along a roadway in southern Arizona (USA). The P. ciliare plant distributions show the pattern of clumping associated with the satellite (nascent foci) colonization pattern (average nearest neighbor test, z-score -47.2, P <0.01). The distance between patches ranged from 0.743 to 12.8 km, with an average distance between patches of 5.6 km. Median patch expansion rate was 271% over the 3-yr monitoring period versus 136% found in other studies of established P. ciliare patches. Targeting P. ciliare satellite patches as a control strategy may exponentially reduce the areal doubling time, while targeting the largest patches may have less effect on the invasion speed.
英文关键词Clustered pattern invasive species management strategy seed dispersion Sonoran Desert
类型Article
语种英语
国家USA
开放获取类型Green Accepted
收录类别SCI-E
WOS记录号WOS:000467922300005
WOS关键词GRASS-FIRE CYCLE ; PLANT INVASIONS ; COMMUNITY ; PATTERNS ; SPREAD ; REQUIREMENTS ; DISPERSAL ; GROWTH ; RATES ; WATER
WOS类目Plant Sciences
WOS研究方向Plant Sciences
来源机构University of Arizona
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/216544
作者单位1.Univ Arizona, Sch Nat Resources & Environm, Tucson, AZ 85719 USA;
2.US Air Force, Range Management Off 56, Luke Afb, AZ USA
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Weston, Jaron D.,McClaran, Mitchel P.,Whittle, Richard K.,et al. Satellite patches, patch expansion, and doubling time as decision metrics for invasion control: Pennisetum ciliare expansion in southwestern Arizona[J]. University of Arizona,2019,12(1):36-42.
APA Weston, Jaron D.,McClaran, Mitchel P.,Whittle, Richard K.,Black, Christian W.,&Fehmi, Jeffrey S..(2019).Satellite patches, patch expansion, and doubling time as decision metrics for invasion control: Pennisetum ciliare expansion in southwestern Arizona.INVASIVE PLANT SCIENCE AND MANAGEMENT,12(1),36-42.
MLA Weston, Jaron D.,et al."Satellite patches, patch expansion, and doubling time as decision metrics for invasion control: Pennisetum ciliare expansion in southwestern Arizona".INVASIVE PLANT SCIENCE AND MANAGEMENT 12.1(2019):36-42.
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