Arid
DOI10.1111/j.1523-1739.2012.01958.x
Fire Mosaics and Reptile Conservation in a Fire-Prone Region
Nimmo, D. G.1; Kelly, L. T.1; Spence-Bailey, L. M.2; Watson, S. J.1; Taylor, R. S.2; Clarke, M. F.2; Bennett, A. F.1
通讯作者Nimmo, D. G.
来源期刊CONSERVATION BIOLOGY
ISSN0888-8892
EISSN1523-1739
出版年2013
卷号27期号:2页码:345-353
英文摘要

Fire influences the distribution of fauna in terrestrial biomes throughout the world. Use of fire to achieve a mosaic of vegetation in different stages of succession after burning (i.e., patch-mosaic burning) is a dominant conservation practice in many regions. Despite this, knowledge of how the spatial attributes of vegetation mosaics created by fire affect fauna is extremely scarce, and it is unclear what kind of mosaic land managers should aim to achieve. We selected 28 landscapes (each 12.6 km2) that varied in the spatial extent and diversity of vegetation succession after fire in a 104,000 km2 area in the semiarid region of southeastern Australia. We surveyed for reptiles at 280 sites nested within the 28 landscapes. The landscape-level occurrence of 9 of the 22 species modeled was associated with the spatial extent of vegetation age classes created by fire. Biogeographic context and the extent of a vegetation type influenced 7 and 4 species, respectively. No species were associated with the diversity of vegetation ages within a landscape. Negative relations between reptile occurrence and both extent of recently burned vegetation (10 years postfire, n = 6) and long unburned vegetation (>35 years postfire, n = 4) suggested that a coarse-grained mosaic of areas (e.g. >1000 ha) of midsuccessional vegetation (1135 years postfire) may support the fire-sensitive reptile species we modeled. This age class coincides with a peak in spinifex cover, a keystone structure for reptiles in semiarid and arid Australia. Maintaining over the long term a coarse-grained mosaic of large areas of midsuccessional vegetation in mallee ecosystems will need to be balanced against the short-term negative effects of large fires on many reptile species and a documented preference by species from other taxonomic groups, particularly birds, for older vegetation.


英文关键词fire landscape ecology land mosaic patch-mosaic burning pyrodiversity reptile semiarid whole landscape
类型Article
语种英语
国家Australia
收录类别SCI-E
WOS记录号WOS:000316694600013
WOS关键词BIODIVERSITY CONSERVATION ; POSTFIRE SUCCESSION ; HABITAT ; MANAGEMENT ; FAUNA ; ASSEMBLAGES ; ABUNDANCE ; RESPONSES
WOS类目Biodiversity Conservation ; Ecology ; Environmental Sciences
WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/176509
作者单位1.Deakin Univ, Sch Life & Environm Sci, Landscape Ecol Res Grp, Burwood, Vic 3125, Australia;
2.La Trobe Univ, Dept Zool, Bundoora, Vic 3086, Australia
推荐引用方式
GB/T 7714
Nimmo, D. G.,Kelly, L. T.,Spence-Bailey, L. M.,et al. Fire Mosaics and Reptile Conservation in a Fire-Prone Region[J],2013,27(2):345-353.
APA Nimmo, D. G..,Kelly, L. T..,Spence-Bailey, L. M..,Watson, S. J..,Taylor, R. S..,...&Bennett, A. F..(2013).Fire Mosaics and Reptile Conservation in a Fire-Prone Region.CONSERVATION BIOLOGY,27(2),345-353.
MLA Nimmo, D. G.,et al."Fire Mosaics and Reptile Conservation in a Fire-Prone Region".CONSERVATION BIOLOGY 27.2(2013):345-353.
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