Arid
DOI10.1007/s00442-014-3214-1
Assessing the impact of fire on the spatial distribution of Larrea tridentata in the Sonoran Desert, USA
Fuentes-Ramirez, Andres1; Mudrak, Erika L.1; Caragea, Petrutza C.2; Holzapfel, Claus3; Moloney, Kirk A.1
通讯作者Fuentes-Ramirez, Andres
来源期刊OECOLOGIA
ISSN0029-8549
EISSN1432-1939
出版年2015
卷号178期号:2页码:473-484
英文摘要

In southwestern American deserts, fire has been historically uncommon because of insufficient continuity of fuel for spreading. However, deserts have been invaded by exotic species that now connect the empty space between shrubs to carry fire. We hypothesized that fire would change the spatial distribution of surviving Larrea tridentata shrubs. We established two study plots, one each in a burned and unburned area, and recorded location and living status of all shrubs. We performed univariate and bivariate point pattern analyses to characterize the impact of fire on the overall distribution of shrubs. Additionally, we used a simple wildfire model to determine how close we could come to reconstructing the observed spatial pattern of living and dead shrubs. We found a hyper-dispersed pattern of shrubs at finer scales and a random pattern at broader scales for both the unburned plot and for the living and dead shrubs combined in the burned plot, the latter providing an approximation of the pre-burn distribution of shrubs. After fire, living shrubs showed a clustered pattern at scales > 2.5 m, whereas dead shrubs were randomly distributed, indicating that fire caused a change in the spatial pattern of the surviving shrubs. The fire model was able to partially reconstruct the spatial pattern of Larrea, but created a more clustered distribution for both living and dead shrubs. Our study reinforces the key role of fire in altering landscapes that had not been habituated to fire, and suggests the existence of potential cascading effects across the entire plant community.


英文关键词Spatial pattern Desert shrublands Pair correlation function (PCF) Point pattern analysis Ecological fire effects
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000354900700015
WOS关键词AMERICAN SOUTHWEST ; PLANT COMMUNITY ; POINT PATTERNS ; MOJAVE DESERT ; CREOSOTE BUSH ; ECOLOGY ; ASSOCIATION ; BUFFELGRASS ; ARIZONA ; SHRUB
WOS类目Ecology
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/2XILL650/189405
作者单位1.Iowa State Univ, Dept Ecol Evolut & Organismal Biol, Ames, IA 50011 USA;
2.Iowa State Univ, Dept Stat, Ames, IA 50011 USA;
3.Rutgers State Univ, Dept Biol Sci, Newark, NJ 07102 USA
推荐引用方式
GB/T 7714
Fuentes-Ramirez, Andres,Mudrak, Erika L.,Caragea, Petrutza C.,et al. Assessing the impact of fire on the spatial distribution of Larrea tridentata in the Sonoran Desert, USA[J],2015,178(2):473-484.
APA Fuentes-Ramirez, Andres,Mudrak, Erika L.,Caragea, Petrutza C.,Holzapfel, Claus,&Moloney, Kirk A..(2015).Assessing the impact of fire on the spatial distribution of Larrea tridentata in the Sonoran Desert, USA.OECOLOGIA,178(2),473-484.
MLA Fuentes-Ramirez, Andres,et al."Assessing the impact of fire on the spatial distribution of Larrea tridentata in the Sonoran Desert, USA".OECOLOGIA 178.2(2015):473-484.
条目包含的文件
条目无相关文件。
个性服务
推荐该条目
保存到收藏夹
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Fuentes-Ramirez, Andres]的文章
[Mudrak, Erika L.]的文章
[Caragea, Petrutza C.]的文章
百度学术
百度学术中相似的文章
[Fuentes-Ramirez, Andres]的文章
[Mudrak, Erika L.]的文章
[Caragea, Petrutza C.]的文章
必应学术
必应学术中相似的文章
[Fuentes-Ramirez, Andres]的文章
[Mudrak, Erika L.]的文章
[Caragea, Petrutza C.]的文章
相关权益政策
暂无数据
收藏/分享

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。