Differences in the crab community structure between pristine and degraded Suaeda marshes after Spartina invasion

Chen, Pan; Yan, Zuoqin; Wang, Guohai; Xu, Peng; Lu, Changhu

doi:10.1016/j.rsma.2019.101001

Cited by 1 publication

(2 citation statements)

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“…The impacts of various spartina eradication methods on avian species vary. In California, a small number of native birds also enter spartina areas to breed, and rapid removal of invasive plants may have a negative impact on these breeding birds [11]. The number of shorebirds, geese, and ducks in the Shanghai Chongming Dongtan wetland in China has been effectively restored through manual removal and waterlogging of spartina [10].…”

Section: Discussionmentioning

confidence: 99%

“…The Dafeng Milu National Nature Reserve (DMNNR), a critical coastal wetland in the Yellow Sea of China, was included in the Ramsar Convention's List of Wetlands of International Importance in 2002 and added to the Asia-Australasia bird migration protection network in 2003 [11]. The annual use of coastal wetlands in the DMNNR by thousands of migratory waterbirds indicates that these habitats are an important stopover as well as wintering and breeding sites for birds migrating from Australia to Siberia [12].…”

Section: Introductionmentioning

confidence: 99%

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Effects of Invasive Smooth Cordgrass Degradation on Avian Species Diversity in the Dafeng Milu National Nature Reserve, a Ramsar Wetland on the Eastern Coast of China

Chen,

Liu

et al. 2024

Diversity

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Invasive smooth cordgrass (Spartina alterniflora) has been expanding rapidly through the coastal wetlands of eastern China and these changes negatively affect local birds. In the Dafeng Milu National Nature Reserve (henceforth referred to as DMNNR), rapid degradation of spartina occurs after an increase in milu (Elaphures davidianus; hereafter elk) numbers and ecological hydrological engineering. We evaluated the impact of such degradation on the abundance and species diversity of birds in the DMNNR during 2017–2021. We found that the area covered by S. alterniflora decreased significantly in the study area at a rate of 310 ha per year and by 62% during 2017–2021 (p < 0.01). With this decrease in the S. alterniflora area, the species richness and abundance of birds first increased and then decreased. Songbird density clearly decreased but species richness did not significantly do so. This research demonstrated that during the initial stages of vegetation degradation, there was a positive effect on bird diversity. With the increasing vegetation degradation increases, both songbirds and waterbirds experience negative impacts. The DMNNR is an important stopover site for waterbirds in the East Asian–Australasian Flyway, and additional measures are needed to control vegetation degradation and to restore the native habitats for birds.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%