Species richness in a riparian plant community along the banks of the Xiangxi River, the Three Gorges region

Jiang, Mingxi; Deng, Hongbing; Cai, Qinghua; Wu, Guiping

doi:10.1080/13504500509469619

Cited by 23 publications

(19 citation statements)

References 24 publications

(27 reference statements)

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“…It has three main tributaries: the Jiuchong River, the Gufu River, and the Gaolan River (Figure 1). Its watershed has an area of 3099 km 2 and a natural fall of 1540 m from its headwaters to its confluence with the Yangtze River (Tang et al 2002;Jiang et al 2005;Qu et al 2005). The average annual precipitation within this watershed is 988 mm (Li et al 2010).…”

Section: Study Areamentioning

confidence: 99%

Inter-annual patterns in the stability and persistence of stream macroinvertebrate communities: relationship with water physicochemical parameters

Xing-zhong

Cai

Jiang

et al. 2013

Journal of Freshwater Ecology

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The relationships between temporal patterns of macroinvertebrate community and water physicochemical parameters were investigated in the Xiangxi River, which is the largest tributary to the Three Gorges Reservoir (TGR) in Hubei province, China. The construction of the TGR has strongly impacted the Xiangxi River watershed, but inter-annual patterns in stream macroinvertebrate communities have not been examined. We sampled water and macroinvertebrates monthly from 2004 to 2006. We assessed the persistence (similarity between years of species assemblage) and stability (similarity between years with respect to relative abundance of species in the community) of the macroinvertebrate community by the Bray-Curtis distance. The relationship between changes in water physicochemical conditions and changes in community structure were assessed with linear regression. The results showed that both the physical and chemical conditions of the water differed significantly among years. Similarly, the macroinvertebrate community structure and composition were significantly different among years. The compositional persistence was positively and significantly related to the physical condition, supporting the Habitat Templet Theory and indicating the importance of physical habitat protection. This study provides information for environmental assessment, which can be used to develop sustainable management strategies.

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Section: Study Areamentioning

confidence: 99%

Inter-annual patterns in the stability and persistence of stream macroinvertebrate communities: relationship with water physicochemical parameters

Xing-zhong

Cai

Jiang

et al. 2013

Journal of Freshwater Ecology

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“…1). Xiangxi River watershed has an area of 3099 km 2 and a natural fall of 1540 m from its headwaters to its confluence with the Yangtze River (Jiang et al, 2005;Tang et al, 2006). The average annual precipitation within this watershed is 988 mm Li et al, 2010).…”

Section: Study Areamentioning

confidence: 99%

“…Approximately 70.9% of this catchment is covered by forests, 6.5% is farmland and 5.3% is water area, 4.4% is wasteland whilst the remainder is residential land and transportation (Xu et al, 2010). Forests are mainly distributed on hillsides the slope upper regions, and have obvious changes in dominant tree species along altitudinal gradients (Jiang et al, 2005). The main agricultural crops are rice and wheat.…”

Section: Study Areamentioning

confidence: 99%

Evaluation of spatial and temporal variation in stream water quality by multivariate statistical techniques: A case study of the Xiangxi River basin, China

Xing-zhong

Cai

et al. 2012

Quaternary International

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“…The pre-dam riparian Xora in the TGRA was considerably degraded 1 C due to centuries of agricultural activity and any remaining forests in the area were secondary growth and highly disturbed . Despite this fact, seasonal Xooding and hydrological regimes have been identiWed as playing an important role in determining species richness in the riparian zone (Jiang et al 2005). Aside from the four species (two in doubt) that will be inundated and loose critical habitat, there will be limited loss of plant communities of major conservation value as a result of the increased water level.…”

Section: Consequences Of the Three Gorges Dam For The Riparian Zonementioning

confidence: 99%

“…Plants selected for rehabilitation should be based on the outcomes of the current research on winter Xood tolerance, but also incorporate knowledge on the original and remnant vegetation in the area. Any planting performed should replicate the pre-damming plant zonation as described by Wang et al (2004), Bai et al (2005) and Jiang et al (2005). The role of disturbance is extremely important in riparian rehabilitation activities, as seedlings are most susceptible to mortality derived from Xooding and scouring processes during the initial years of establishment (Johansson and Nilsson 2002).…”

Section: Implications For Managementmentioning

confidence: 99%

Impacts of large dams on riparian vegetation: applying global experience to the case of China’s Three Gorges Dam

2008

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Dams are widely recognised as having signiWcant negative consequences for the surrounding natural ecosystems and environment. China's Three Gorges Dam, being one of the largest in the world, stands to inXict more damage than most for numerous reasons. This paper reviews the current knowledge on the impacts of dams and impoundments with regard to reservoir riparian vegetation in order to apply this knowledge to the Three Gorges Project. It also summarises research performed to date on the eVects of the Three Gorges Dam on the local riparian zone and vegetation. The known and potential outcomes for local plant communities are examined in terms of their responses to the increased water levels, altered hydrological characteristics and other adverse eVects associated with the construction of the dam. Vegetation responses will be diverse and change over time, but will ultimately result in a markedly diVerent landscape and riparian zone within the Three Gorges Reservoir. These changes will take place through a loss of previous vegetation, potential invasion by exotics and result from the signiWcant alteration in hydrological regimes and also erosion and sedimentation processes inXuencing and creating novel plant communities. Management of the environmental consequences of the Three Gorges Project should take into account factors associated with these processes, in order to facilitate vegetation recovery in the reservoir and to conserve biodiversity of the surrounding ecosystems.

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Species richness in a riparian plant community along the banks of the Xiangxi River, the Three Gorges region

Cited by 23 publications

References 24 publications

Inter-annual patterns in the stability and persistence of stream macroinvertebrate communities: relationship with water physicochemical parameters

Inter-annual patterns in the stability and persistence of stream macroinvertebrate communities: relationship with water physicochemical parameters

Evaluation of spatial and temporal variation in stream water quality by multivariate statistical techniques: A case study of the Xiangxi River basin, China

Impacts of large dams on riparian vegetation: applying global experience to the case of China’s Three Gorges Dam

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