Arid
DOI10.1007/s10344-016-1018-9
Effects of habitat and livestock on nest productivity of the Asian houbara Chlamydotis macqueenii in Bukhara Province, Uzbekistan
Koshkin, Maxim1; Burnside, Robert J.1; Packman, Charlotte E.1; Collar, Nigel J.2; Dolman, Paul M.1
通讯作者Koshkin, Maxim
来源期刊EUROPEAN JOURNAL OF WILDLIFE RESEARCH
ISSN1612-4642
EISSN1439-0574
出版年2016
卷号62期号:4页码:447-459
英文摘要

To inform population support measures for the unsustainably hunted Asian houbara Chlamydotis macqueenii (IUCN Vulnerable), we examined potential habitat and land-use effects on nest productivity in the Kyzylkum Desert, Uzbekistan. We monitored 177 nests across different semi-arid shrub assemblages (clay-sand and salinity gradients) and a range of livestock densities (0-80 km(-2)). Nest success (mean 51.4 %, 95 % CI 42.4-60.4 %) was similar across 4 years; predation caused 85 % of those failures for which the cause was known, and only three nests were trampled by livestock. Nesting begins within a few weeks of arrival when food appears scarce, but later nests were more likely to fail owing to the emergence of a key predator, suggesting that foraging conditions on wintering and passage sites may be important for nest productivity. Nest success was similar across three shrub assemblages and was unrelated to landscape rugosity, shrub frequency or livestock density but was greater with taller mean shrub height (range 13-67 cm) within 50 m. Clutch size (mean = 3.2 eggs) and per-egg hatchability in successful nests (87.5 %) did not differ with laying date, shrub assemblage or livestock density. We therefore found no evidence that livestock density reduced nest productivity across the range examined, while differing shrub assemblages appeared to offer similar habitat quality. Asian houbara appear well-adapted to a range of semi-desert habitats and tolerate moderate disturbance by pastoralism. No obvious in situ mitigation measures arise from these findings, leaving regulation and control as the key requirement to render hunting sustainable.


英文关键词Buffer effect Exploited population Nest success Hatchability Pastoralism
类型Article
语种英语
国家England
收录类别SCI-E
WOS记录号WOS:000380127300007
WOS关键词UNDULATA MACQUEENII ; SITE SELECTION ; BUSTARD ; SUCCESS ; POPULATION ; CONSERVATION ; LANDSCAPE ; SURVIVAL ; MANAGEMENT ; COMMUNITY
WOS类目Ecology ; Zoology
WOS研究方向Environmental Sciences & Ecology ; Zoology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/192899
作者单位1.Univ East Anglia, Sch Environm Sci, Norwich Res Pk, Norwich NR4 7TJ, Norfolk, England;
2.BirdLife Int, Pembroke St, Cambridge CB2 3QZ, England
推荐引用方式
GB/T 7714
Koshkin, Maxim,Burnside, Robert J.,Packman, Charlotte E.,et al. Effects of habitat and livestock on nest productivity of the Asian houbara Chlamydotis macqueenii in Bukhara Province, Uzbekistan[J],2016,62(4):447-459.
APA Koshkin, Maxim,Burnside, Robert J.,Packman, Charlotte E.,Collar, Nigel J.,&Dolman, Paul M..(2016).Effects of habitat and livestock on nest productivity of the Asian houbara Chlamydotis macqueenii in Bukhara Province, Uzbekistan.EUROPEAN JOURNAL OF WILDLIFE RESEARCH,62(4),447-459.
MLA Koshkin, Maxim,et al."Effects of habitat and livestock on nest productivity of the Asian houbara Chlamydotis macqueenii in Bukhara Province, Uzbekistan".EUROPEAN JOURNAL OF WILDLIFE RESEARCH 62.4(2016):447-459.
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