Spatio‐temporal responses of male Reeves's pheasants Syrmaticus reevesii to forest edges in the Dabie Mountains, central China

Xu, Jingshi; Zhang, Zhengwang; Wang, Yong; Connelly, John W.

doi:10.2981/10-075

Cited by 5 publications

(6 citation statements)

References 29 publications

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“…For the management of Reeves’s Pheasant, we found that their home‐ranges were multi‐centred and almost certainly related to different habitats and resource needs such as for foraging and roosting during the day and night, respectively. Home‐range overlap among individuals was common, probably reflecting resource sharing or competition such as for foraging and nesting habitats in the mixed forest with limited understorey for this mostly ground‐dwelling species (Xu et al. 2011).…”

Section: Discussionmentioning

confidence: 99%

Information‐theoretic model selection affects home‐range estimation and habitat preference inference: a case study of male Reeves’s Pheasants Syrmaticus reevesii

Wang

Carpenter

et al. 2012

Ibis

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Reeves’s Pheasant Syrmaticus reevesii is a vulnerable forest bird inhabiting broadleaved habitats dominated by oaks Quercus spp. in central China. Identifying home‐ranges and habitat associations is important for understanding the biology of this species and developing effective management and conservation plans. We used information‐theoretic criteria to evaluate the relative performance of four parametric (exponential power, one‐mode bivariate normal, two‐mode bivariate normal and two‐mode bivariate circle) and two non‐parametric models (adaptive and fixed kernel) for estimating home‐ranges and habitat associations of Reeves’s Pheasants. For parametric models, Akaike’s information criterion (AICc) and the likelihood cross‐validation criterion (CVC) were relatively consistent in ranking the bivariate exponential power model the least acceptable, whereas the two‐mode bivariate models performed better. The CVC suggested that kernel models, particularly the adaptive kernel, performed best among all six models evaluated. The average core area and 95% contour area based on the model with greatest support were 6.1 and 54.9 ha, respectively, and were larger than those estimated from other models. The discrepancy in estimates between models with highest and the lowest support decreased as the contour size increased; however, home‐range shapes differed between models. Minimum convex polygons that removed 5% of extreme data points (MCP95) were roughly half the size of home‐ranges based on kernel models. Estimates of home‐range and model evaluation were not affected by sample size (> 50 observations for each bird). Inference about habitat preference based on composition analysis and home‐range overlap varied between models. That with strongest support suggested that Reeves’s Pheasants selected mature fir and mixed forest, avoided farmland, and had mean among‐individual home‐range overlaps of 20%. We recommend non‐parametric methods, particularly the adaptive kernel method, for estimating home‐ranges and core areas for species with complex multi‐polar habitat preferences in heterogeneous environments with large habitat patches. However, we caution against the traditional convenience of using a single model to estimate home‐ranges and recommend exploration of multiple models for describing and understanding the ecological processes underlying space use and habitat associations.

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Section: Discussionmentioning

confidence: 99%

Information‐theoretic model selection affects home‐range estimation and habitat preference inference: a case study of male Reeves’s Pheasants Syrmaticus reevesii

Wang

Carpenter

et al. 2012

Ibis

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“…For example, Reeves's Pheasant occurrence was negative with the distance to water, farmland, resident, and unpaved road, and it was influenced significantly by the distance to farmland, which was also reported in winter (Xu et al, 2006) and the males radio-tracked (Xu et al, 2005(Xu et al, , 2007. The higher site fidelity of this pheasant (Xu et al, 2009) should be responsible for such a habitat use pattern. In addition, this pattern should be helpful to take some measures to conserve this species in this reserve.…”

Section: Tab 2 Comparisons Of Habitat Variables Between the Used Poimentioning

confidence: 97%

“…Therefor, it is currently listed as a national second-grade wildlife species of China (Zheng & Wang, 1998) and as a vulnerable species in the world (IUCN, 2009). Some qualitative researches on the habitat of this pheasant had been carried out in the past (see Wu, 1979;Fang & Ding, 1997), and some quantitative studies appeared recently (see Sun et al, 2001Sun et al, , 2002Xu et al, 2002Xu et al, , 2005Xu et al, , 2006, including research on incubation behavior (Zhang et al, 2004), home range, and habitat selection (see Sun et al, 2003;Xu et al, 2007Xu et al, , 2009.…”

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confidence: 99%

Breeding Habitat Selection of Reeves's Pheasant (<I>Syrmaticus reevesii</I>) in Dongzhai National Nature Reserve, Henan Province, China

Xu¹,

Zhang²,

Zhang³

et al. 2010

Zoological Research

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Reeves's Pheasant (Syrmaticus reevesii) is a threatened pheasant species endemic to China. The habitat use of territorial male birds was surveyed by the help of live decoys in a core area of Dongzhai National Nature Reserve. The breeding habitat selection of this pheasant was examined at two scales (115 m and 250 m scale, i.e. 4.15 hm 2 and 19.63 hm 2 , respectively), including the characteristics at distance scale. Investigation was based on line transect, RS and GIS in Dongzhai National Natural Reserve from 2001 to 2003. Moreover, a range of habitat variables were compared between used and control points at each scale, and stepwise logistic regression was applied to select the key scale and the key habitat factors in relation to breeding habitat selection of this bird. Our results stated that the territorial males at Baiyun occurred mostly in mixed forests, followed by fir forests, pine forests, shrubs, and broadleaf forests. The area of conifer forests was the key factor influencing habitat selection of this bird in breeding period at the scales of 115 m and 250 m, and the proximity of farmland was important for habitat selection in breeding seasons. Furthermore, Reeves's Pheasants attached great importance to the scale of 115 m. When considering a range of habitat variables at all scales within a multivariate regression, the leading factors having effect on habitat selection in the breeding period were areas of conifer forests at 115 m scale and the distance to farmland. In addition, these above results suggested that strengthening the management of suitable habitat, and optimizing the habitat configuration are important in promoting conservation of this bird. However, it also highlighted the importance of initiating future researches on the conifer forests and their impact on the population of Reeves's Pheasants, which would be beneficial to promote the habitat conservation of this pheasant more effectively.

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“…The main goal of males is to obtain the opportunity to mate with females in the breeding season. The low density of undergrowth that we describe above allows males to show off their body characteristics by displaying the long tail feathers and vigorous posture [60]. For example, the Black-billed Capercaillie (Tetrao parvirostris) tends to choose open forest space as its courtship field [61].…”

Section: Human-modified Habitatmentioning

confidence: 99%

Sex-Specific Movement Responses of Reeves’s Pheasant to Human Disturbance: Importance of Body Characteristics and Reproductive Behavior

Liu

Tian

et al. 2022

Animals

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Human disturbance has a strong impact on the movement of wild animals. However, it remains unclear how the movement patterns of the Reeves’s Pheasant (Syrmaticus reevesii) respond to human disturbance in human-dominated landscapes. We tracked the movement of 40 adult individual Reeves’s Pheasants during the breeding season, and used the dynamic Brownian bridge motion model and kernel density estimation to analyze the diurnal movement patterns of Reeves’s Pheasants and their response to human presence. We analyzed the paths of Reeves’s Pheasants based on a partial least squares path model, considering habitat conditions, body characteristics, and reproductive behaviors. We found that males had two clear diurnal movement peaks, whereas reproductive and non-reproductive females did not show such movement peaks. Males shifted their movement peaks to earlier times in the day to avoid the presence peaks of humans. The correlation between human-modified habitat and the movement intensity of Reeves’s Pheasant differed between sexes. For males, the distance to forest paths had a positive correlation with their movement intensity through affecting body conditions. For females, the distance to forest paths and farmland had a negative correlation with their movement intensity through affecting habitat conditions and reproductive behaviors. Our study provides a scientific basis for the protection of the Reeves’s Pheasant and other related terrestrial forest-dwelling birds.

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Spatio‐temporal responses of male Reeves's pheasants Syrmaticus reevesii to forest edges in the Dabie Mountains, central China

Cited by 5 publications

References 29 publications

Information‐theoretic model selection affects home‐range estimation and habitat preference inference: a case study of male Reeves’s Pheasants Syrmaticus reevesii

Information‐theoretic model selection affects home‐range estimation and habitat preference inference: a case study of male Reeves’s Pheasants Syrmaticus reevesii

Breeding Habitat Selection of Reeves's Pheasant (<I>Syrmaticus reevesii</I>) in Dongzhai National Nature Reserve, Henan Province, China

Sex-Specific Movement Responses of Reeves’s Pheasant to Human Disturbance: Importance of Body Characteristics and Reproductive Behavior

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