Winter space use and social behaviors of Chinese Grouse (Bonasa sewerzowi) at Lianhuashan mountains, Gansu, China

Yang, Chen; Fang, Yun; Sun, Yue‐Hua

doi:10.1007/s10336-010-0584-y

Cited by 4 publications

(3 citation statements)

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“…Previous studies have found that willows are important in determining the habitat selection of Chinese Grouse during spring (Ji et al 2005), brood rearing (Zhao et al 2015), and winter seasons (Yang et al 2011). We found that willows were important in determining males' core territories during paring and egg-laying periods in this study.…”

Section: Discussionsupporting

confidence: 68%

“…We found that willows were important in determining males' core territories during paring and egg-laying periods in this study. A much higher number of small willow trees (2328/ ha) was found in core breeding territory than winter habitat (570-1820/ha) (Yang et al 2011). Males were more sedentary after occupying territories in spring; however, many males moved around in winter when most food resources in their territories were covered by deep snow.…”

Section: Discussionmentioning

confidence: 98%

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The importance of willow to the Chinese Grouse: evidence from analysis on their breeding territories at Lianhuashan, China

Jiang

Fang

et al. 2017

Avian Res

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Background:The habitat features of breeding territory have important adaptive significance for the survival and reproduction of territory holders. The Chinese Grouse (Tetrastes sewerzowi) is a rare and endemic species with relatively small distribution range and decreasing population trend. It is important to elucidate breeding territory habitat requirements of the Chinese Grouse for habitat management and conservation actions.Methods: Using radio-telemetry and field observations, we determined the core areas of 65 breeding territories of males. Two to three samples were selected in each core breeding territory as used sites and compared with nearby sites with no grouse occurrence using logistic regression. Results:Our model showed a high accuracy in prediction of core breeding territory used by males, which preferred stands with more small deciduous trees (0.5 m ≤ height < 5 m), more small willow trees (Salix spp., 0.5 m ≤ height < 5 m), greater willow cover, and greater herb cover. The number of small willow trees had the greatest influence on males' core breeding territory selection. Dense shrubs were also chosen compared with unused sites. Tall conifer trees was an important determinant in the distribution of Chinese Grouse at the landscape scale, and was relatively important in the univariate model, but not included in our final multivariable model. Conclusions:Male Chinese Grouse established territories at sites with abundant food resources. At the landscape scale, the Chinese Grouse occurred in alpine conifer forest. At the territory scale, small willow trees had the most important effect on males' core breeding territory selection. We suggest that the forest gaps in dense conifer forest are important for improving the occurrence of willows and facilitating breeding territory establishment for the Chinese Grouse.

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Section: Discussionsupporting

confidence: 68%

Section: Discussionmentioning

confidence: 98%

The importance of willow to the Chinese Grouse: evidence from analysis on their breeding territories at Lianhuashan, China

Jiang

Fang

et al. 2017

Avian Res

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“…Similarly, territories of Spruce Grouse Falcipennis canadensis differ in spring and in winter (Allan 1985). Winter is a challenging period for individuals, due to high predation risk, shortage of food, and extreme environmental conditions Yang et al 2011). Winter habitats of Hazel Grouse were not studied in the Western Carpathians.…”

Section: Introductionmentioning

confidence: 99%

Seasonal changes of the Hazel Grouse Tetrastes bonasia habitat requirements in managed mountain forests (Western Carpathians)

2017

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We studied the differences between spring and winter sites of Hazel Grouse Tetrastes bonasia in a managed, temperate forest in the Beskid Mountains (Western Carpathians, Poland). The study of seasonal requirements of this species in this type of habitat was innovatory. Spring territories must provide birds with appropriate conditions for breeding and winter ones must give good habitat for wintering. The environmental variables of spring and winter sites were collected in three layers in a 100 m radius from the place of recording of the Hazel Grouse: canopy, understory and undergrowth. According to our study, the proportion of deciduous trees was greater in spring territories in comparison to winter territories in all studied layers. Conversely, greater species richness in the undergrowth and understory in spring sites of Hazel Grouse was found in comparison to winter sites. Moreover, a greater proportion of birch, poplar, willow, wild cherry and bird cherry were found in the spring sites of Hazel Grouse in comparison to winter sites. Generalized Linear Model models showed that the occurrence of overgrown clearings, clearfellings with deadwood and higher richness of grass and herbs and their cover in the forest were important habitat factors for Hazel Grouse in both spring and winter sites. Sites of Hazel Grouse were strongly affected by the proportions of beech, sycamore, fir, spruce and larch in the canopy layer in both seasons. Moreover, a greater proportion of tree species producing nuts, drupes or winged seeds was important in both spring and winter sites. Bush cover was important for winter sites of the Hazel Grouse. Food resources, mainly in winter sites are important factors for habitat selection. Summarizing, we found habitat differences between spring territory and winter sites of Hazel Grouse. In both seasons, higher habitat heterogeneity was an important factor for occurrence of this species.

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Hazel grouse winter habitat selection and conservation in temperate forest

Rhim¹

2013

Forest Ecology and Management

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Winter space use and social behaviors of Chinese Grouse (Bonasa sewerzowi) at Lianhuashan mountains, Gansu, China

Cited by 4 publications

References 51 publications

The importance of willow to the Chinese Grouse: evidence from analysis on their breeding territories at Lianhuashan, China

The importance of willow to the Chinese Grouse: evidence from analysis on their breeding territories at Lianhuashan, China

Seasonal changes of the Hazel Grouse Tetrastes bonasia habitat requirements in managed mountain forests (Western Carpathians)

Hazel grouse winter habitat selection and conservation in temperate forest

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