Display-sites selection by houbara bustard (Chlamydotis [undulata] macqueenii) in Mori, Xinjiang, People's Republic of China

Yang, Jinfu; wk,; Qiao, Qiao; Jf,; Combreau,; Gao, Peng; Xy,; Zhong, Yi; Wq,

doi:10.1016/s0140-1963(02)90978-x

Cited by 12 publications

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“…In male display ranges, we observed a great amount of edges, and males preferentially used TFA and RSP. As pointed out by Yang et al (2002), Houbaras are edge foragers and alternatively use well vegetated and open habitats. The use of these two different habitats possibly reflected the two main activities of breeding males, respectively feeding and displaying.…”

Section: Discussionmentioning

confidence: 99%

“…Hence, an easy access to food resources might be important in display site selection. Yang et al (2002) showed that in China, Houbara display sites were close to bushy patches of wadis and depressions, that offered food and cover against predators. Similarly, in eastern Morocco, males favoured TFA for its cover (22.3%), height (12.2 cm), and food resources availability (Hingrat et al 2007a).…”

Section: Discussionmentioning

confidence: 99%

“…Recent work on the Asian houbara Chlamydotis macqueenii in China (Yang et al 2002, 2003) showed that breeding females usually favour densely vegetated habitats for concealment, while in contrast, display males look for high conspicuousness. In these studies, males and females were treated separately and the polygynous mating system of the Houbara, although reported earlier (Launay and Loughland 1995), was not considered.…”

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confidence: 99%

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Environmental and social constraints on breeding site selection. Does the exploded‐lek and hotspot model apply to the Houbara bustardChlamydotis undulata undulata?

Hingrat¹,

Jalme²,

Chalah³

et al. 2008

Journal of Avian Biology

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Habitat selection is a hierarchical process where the distribution of individuals is constrained by environmental factors acting from the landscape scale to specific microhabitats such as breeding sites. However, interactions between conspecifics might greatly influence bird distribution and habitat use, especially in lekking birds. In the lekking Houbara bustard Chlamydotis undulata undulata, we investigated the respective role of environmental and social constraints on the distribution of nests and display sites. We measured environmental variables around 69 nests and 70 display sites at different spatial scales: the landscape, the breeding range, and the display and nest site scale. The variables were compared to those measured at 50 random plots to determine whether environmental features are actively selected. Social variables were included by studying spatial relationships between displaying male density, nests and female movements throughout the year. At the landscape scale, human presence acted as a limiting factor for the establishment of nest and display sites. At the breeding range scale, habitat requirements differed between sexes. Breeding females used a heterogeneous complex of habitats provided by the network of wadis (water courses) crossing the reg (gravel plain) covered by tall perennial plants. In contrast, display males looked for conspicuousness and courtship ability by selecting the reg with short perennials, and used temporarily flooded areas for feeding. Males aggregated on traditional display site where they experienced the greatest female density. This result supported the hotspot model in the evolution of leks in the Houbara bustard. It underlies an overriding effect of female attraction on male settlement in the individual habitat selection process.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

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Environmental and social constraints on breeding site selection. Does the exploded‐lek and hotspot model apply to the Houbara bustardChlamydotis undulata undulata?

Hingrat¹,

Jalme²,

Chalah³

et al. 2008

Journal of Avian Biology

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“…Several habitat selection studies were conducted on the Asian Houbara (Seddon and Van Heezik 1996;Combreau and Smith 1997;Launay et al 1997;Osborne et al 1997;Seddon 1999, 2002;Combreau et al 2000;Yang et al 2002Yang et al , 2003 and on the Canarian Houbara (Martı´n et al 1996;Medina 1999), but no one concerned the North African Houbara.…”

Section: Introductionmentioning

confidence: 99%

“…Factors were measured at the landscape scale (Osborne et al 1997), at the patch scale (Martı´n et al 1996;Seddon and Van Heezik 1996;Combreau and Smith 1997;Medina 1999;Seddon 1999, 2002;Combreau et al 2000), and at a smaller scale, i.e. in the vicinity of specific locations : foot prints, display sites and nesting sites Yang et al 2002Yang et al , 2003. At the patch scale, studies provided habitat classifications based on topography, hydrology, substratum structure, vegetation structure and/or human disturbance (livestock presence, cultivated fields).…”

Section: Introductionmentioning

confidence: 99%

Assessing habitat and resource availability for an endangered desert bird species in eastern Morocco: the Houbara Bustard

et al. 2007

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In Morocco we tested the consistency between an a priori habitat classification based on topography, hydrology, vegetation structure and composition, and an a posteriori classification based on arthropod assemblages, in a plain supporting wild endangered Houbara Bustards. According to vegetation structure, we defined seven a priori habitats that differed significantly in perennial cover and height. A multivariate multiple regression analysis showed a significant relationship between arthropod assemblages and vegetation structure. Canonical Analyses of Principal Coordinates, conducted simultaneously on direct searches of arthropods and trapping data, showed significant differences between assemblages in both cases, and produced two similar constrained ordinations of six a posteriori habitats: esparto grass (Stipa tenacissima), temporarily flooded areas, fields, ''reg'' with short perennials, ''reg'' with tall perennials and wadis. The two sampling methods reflected a dominance of ants and beetles. Arthropod biomasses increased significantly in spring and then decreased significantly in summer for beetles, and in autumn for ants. No strong differences appeared between habitats within seasons, especially in spring, indicating a uniform distribution of food resources during the Houbara breeding season. The ''reg'' with short perennials had the highest ant biomass in summer. This ''reg'' and fields also supported the highest arthropod biomass in autumn. Variation in arthropod biomass was a pertinent factor that should be integrated into Houbara habitat selection studies. The definition of habitat availability based on easily identifiable landscape units, combined with empirical tests on arthropod communities provided an accurate classification for habitat selection studies and conservation planning.Abbreviations: DL -drainage lines; Esparto grass -Hills covered by the Esparto grass; Fieldscultivated fields within temporarily flooded areas; IDSA -index of direct-search activity-abundance per hour; ITA -index of trapping activity-abundance; ITB -index of trapping activity-biomass; RSP -''reg'' with short perennials; RTP -''reg'' with tall perennials; RTUs -recognized taxonomic units; TFA -temporarily flooded areas Biodiversity and Conservation (2007) 16:597-620 Ó Springer

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Habitat use and mating system of the houbara bustard (Chlamydotis undulata undulata) in a semi-desertic area of North Africa: implications for conservation

et al. 2007

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Studies of the movements and home-ranges of houbara bustards (Chlamydotis undulata undulata) showed sexual and seasonal differences in the use of space, with a polygynous mating system similar to an 'exploded-lek' or a 'resource-defence-polygyny', that remains undefined. We used the arthropod biomass as an index of the trophic quality of six defined habitats and we radio-tracked 7 females and 13 males to test whether sexual and seasonal variations in habitat use were related to resource availability, and to verify if critical resources for breeding females were monopolised by males. We analysed habitat selection in both sexes separately. We used the habitat type composition of buffer zones around radio-locations to study annual and seasonal habitat selection and to identify preferred habitats, using the chi-square goodness-of-fit test. Habitat use between sexes and between seasons were compared using MANOVA based on log-ratios of habitat proportions. During the year, and in each season, both sexes appeared to be significantly selective for habitats in comparison to their availability. But males avoided esparto grass, while females used all habitats. Habitat use differed between sexes in the breeding season, but not in the non-breeding season. In spring, when food resources were abundant and uniformly distributed in space, males preferred 'temporarily flooded areas' and females preferred 'reg with tall perennials' that offered both food and cover for brooding. Critical resources were not monopolised by males and the mating system fulfilled the definition of the 'exploded-lek'. Leks are key sites for reproduction and should be considered as priority areas in further conservation plans.

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Display-sites selection by houbara bustard (Chlamydotis [undulata] macqueenii) in Mori, Xinjiang, People's Republic of China

Cited by 12 publications

References 0 publications

Environmental and social constraints on breeding site selection. Does the exploded‐lek and hotspot model apply to the Houbara bustardChlamydotis undulata undulata?

Environmental and social constraints on breeding site selection. Does the exploded‐lek and hotspot model apply to the Houbara bustardChlamydotis undulata undulata?

Assessing habitat and resource availability for an endangered desert bird species in eastern Morocco: the Houbara Bustard

Habitat use and mating system of the houbara bustard (Chlamydotis undulata undulata) in a semi-desertic area of North Africa: implications for conservation

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