Response of shorebird habitat selection to coastal reclamation and urbanization in an extensively developed delta: A case study in Macao, China

Zhang, Min; Hong, Yongmi; Zou, Fasheng; Zhang, Qiang; Chan, Sot; Cheong, Kuai-tat; Leong, Kun-Fong

doi:10.1016/j.ocecoaman.2019.104871

Cited by 13 publications

(10 citation statements)

References 44 publications

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“…The coastal areas of Guangdong Province support a variety of waterbird populations with different ecological needs (Zou et al, 2008;Zhang et al, 2019). Therefore, the province provides an important habitat for many endangered waterbirds and plays a key role in the protection of waterbirds to China and globally.…”

Section: Discussionmentioning

confidence: 99%

“…The area of mangrove was positively correlated with waterbird abundance up until a certain threshold of area (Zou et al, 2008), above which the abundance of waterbirds decreased. This result can be attributed to the encroachment of mangroves on tidal flats, which some waterbirds rely on for food (Leung, 2015;Zhang et al, 2019). Tidal flats are a rich source of food for some waterbirds (Burger, 2018), with the area of tidal flat positively correlated with benthic organism abundance (Fonseca et al, 2017).…”

Section: Driving Factorsmentioning

confidence: 99%

“…However, foraging by waterbird abundance in open tidal flats typically increases their vulnerability to human disturbance (Dias et al, 2006). In contrast, mangroves can shield waterbirds from human disturbance (Ma et al, 2010;Zhang et al, 2019). Therefore, there is an ideal trade-off between areas of tidal flats and mangroves that provide food and shelter to waterbirds, respectively.…”

Section: Driving Factorsmentioning

confidence: 99%

“…Open water waterbirds are less sensitive to spatial changes in habitat characteristics compared to other groups (Hamza et al, 2015). Although mangroves may encroach on shorebird feeding grounds (Leung, 2015;Zhang et al, 2019), mangroves provide the optimal breeding ground for some large waders, such as herons (Etezadifar and Barati, 2013). While mudflats provide favorable habitat for curlew species (Dias et al, 2006), open mudflats may increase predation risk.…”

Section: Introductionmentioning

confidence: 99%

“…The coastal areas of Guangdong Province, China, are rich in wetlands, including open beaches, vast mudflats, mangroves, estuaries, and aquaculture. In addition, this region is located along the "East Asia-Australia" migratory bird routes, thereby providing diverse habitat for supporting important waterbird populations (Zou et al, 2008;Zhang et al, 2019) and acting as an important stopover, breeding, and wintering habitat for endangered waterbirds (Hong et al, 2017). Therefore, the coastal areas of Guangdong Province play a key role in the protection of waterbirds in China and even globally.…”

Section: Introductionmentioning

confidence: 99%

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Factors Driving the Abundance of Wintering Waterbirds in Coastal Areas of Guangdong Province, China

Yang

Duan

et al. 2022

Front. Ecol. Evol.

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The diverse habitat of the coastal areas of Guangdong, China, supports important waterbird populations, thereby contributing to the conservation of waterbirds in China and globally. The sensitivity of different waterbirds to environmental driving factors results in differences in habitat selection, which in combination affect waterbird abundance. This study investigated the effects of environmental and human disturbance factors on the abundance of waterbirds based on a survey of waterbirds in coastal areas of Guangdong Province, China. Redundancy analysis (RDA) was mainly used to study the relationships between the abundance of waterbirds and environmental and human factors. The results showed that the areas of mangrove and tidal flats were the main factors driving the abundance of shorebirds and open water waterbirds, whereas the areas of mangrove and water bodies were the main factors driving the abundance of wading birds and waterfowl, respectively. Road length and the areas of construction land were found to have negative effects on the abundance of waterbirds. A waterbird protection and management strategy was proposed based on the results.

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Section: Discussionmentioning

confidence: 99%

Section: Driving Factorsmentioning

confidence: 99%

Section: Driving Factorsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Factors Driving the Abundance of Wintering Waterbirds in Coastal Areas of Guangdong Province, China

Yang

Duan

et al. 2022

Front. Ecol. Evol.

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Accelerating decline of an important wintering population of the critically endangered Spoon-billed Sandpiper Calidris pygmaea at Sonadia Island, Bangladesh

Chowdhury

Foysal²,

Green

2022

J Ornithol

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The critically endangered Spoon-billed Sandpiper Calidris pygmaea breeds in Russia and winters between Bangladesh and China. World population estimates during 2014–2019 suggested a decline at a mean rate of 8% per year. Several surveys of local populations also indicated declines. We report a rapid decline of another local population of the species based on a 9-year series of annual surveys during the boreal winter at Sonadia Island, Chattogram Division, Bangladesh. We made bounded-count estimates of local populations of the Spoon-billed Sandpiper and 25 other shorebird species based on monthly counts in each of nine winters (2012/2013 to 2020/2021). For three of these winters (2017/2018 to 2019/2020), we also made Lincoln–Petersen estimates of the local population of Spoon-billed Sandpipers using resightings and scan surveys of individually marked birds. Population and trend estimates for the two methods were similar during the 3-year period when results from both were available. Bounded-count estimates of Spoon-billed Sandpipers declined markedly over the 9-year period. Analysis of combined data from both methods indicated that an exponential decline at a mean rate of 9.5% per year during the period 2012/2013 to 2017/2018 was followed by a much more rapid decline at 49.1% per year during 2018/2019 to 2020/2021. Bounded-count estimates of the combined population of 25 other shorebird species in each winter showed no decline during the 9-year period, which suggests that the decline in the local population of the Spoon-billed Sandpiper was not part of a general decline in populations of wintering shorebirds due to local factors. Estimates of the mean trend of other Spoon-billed Sandpiper local populations and of the world population all indicate declines at broadly similar rates. We recommend immediate reassessment of threats faced by the Spoon-billed Sandpiper and improved conservation interventions.

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Habitat selection of wintering cranes in typical wetlands in the middle and lower reaches of the Yangtze River over the past 20 years, China

Gao

Liang

Zhu

et al. 2023

Environ Sci Pollut Res

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Response of shorebird habitat selection to coastal reclamation and urbanization in an extensively developed delta: A case study in Macao, China

Cited by 13 publications

References 44 publications

Factors Driving the Abundance of Wintering Waterbirds in Coastal Areas of Guangdong Province, China

Factors Driving the Abundance of Wintering Waterbirds in Coastal Areas of Guangdong Province, China

Accelerating decline of an important wintering population of the critically endangered Spoon-billed Sandpiper Calidris pygmaea at Sonadia Island, Bangladesh

Habitat selection of wintering cranes in typical wetlands in the middle and lower reaches of the Yangtze River over the past 20 years, China

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