Assessment of environmental conditions of Nan-Shih stream in Taiwan

Hu, Tung Jer; Wang, Hsiao‐Wen; Lee, Hong Yuan

doi:10.1016/j.ecolind.2006.04.003

Cited by 18 publications

(13 citation statements)

References 9 publications

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“…Variations in individual IBI metrics on spatial scale and effect of environmental factors on fish assemblages Impacts of anthropogenic activities related with industrialization, population expansion, urbanization and agriculture on biological integrity of water resources are very complex and long lasting (Hu et al, 2007). Human influences such as changes in water chemistry or physical habitat modifications could alter fish assemblage and diversity by disrupting their structures and functions.…”

Section: Discussionmentioning

confidence: 99%

Assessment of an index of biological integrity (IBI) to quantify the quality of two tributaries of river Chenab, Sialkot, Pakistan

Qadir

Malik

2008

Hydrobiologia

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Section: Discussionmentioning

confidence: 99%

Assessment of an index of biological integrity (IBI) to quantify the quality of two tributaries of river Chenab, Sialkot, Pakistan

Qadir

Malik

2008

Hydrobiologia

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“…2011; Terra and Araújo 2011) and across different continents [Africa, Kleynhans (1999); South America, Bozzetti and Schulz (2004); Europe, Pont et al. (2007); Asia, Hu et al. (2007); and Oceania, Joy and Death (2004)].…”

Section: The Index Of Biotic Integritymentioning

confidence: 99%

Revisiting ecological integrity 30 years later: non‐native species and the misdiagnosis of freshwater ecosystem health

Hermoso

Clavero

2012

Fish and Fisheries

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Assessing the ecological integrity of freshwater ecosystems has become a priority to protect the threatened biodiversity they hold and secure future accessibility to the services they provide. Some of the most widespread applications of biological indicators are fish-based indices. These have mostly mirrored the approach proposed by Karr 30 years ago (Index of Biotic Integrity; IBI), based on the comparison of observed and expected composition and structure of local fish assemblages in the absence of major perturbations, using the so-called reference condition approach. Despite the notable success of the implementation of fish-based indices, most of them overlook non-native species as a source of ecosystem degradation, and evaluations are focused on the physico-chemical condition of freshwater ecosystems and their effects on freshwater biodiversity. Almost 90% of 83 reviewed IBIs did not consider non-native species when defining reference conditions. Most IBIs used non-native species in conjunction with native ones to construct the metrics that conform to the index. The response of the IBI to the effect of non-native species has hardly ever been tested. When developing and evaluating IBIs, attention was mostly directed to ensuring the correct response of the index to physicochemical parameters, which could otherwise be characterized more effectively using alternative methods. Current application of IBIs entails a misuse of biological indicators by overlooking some types of degradation that cannot be otherwise evaluated by traditional methods. This constrains the capacity to adequately respond to one of the most challenging and common threats to the conservation of freshwater fish diversity.

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“…Chemical concentrations are always regarded as key indicators for evaluating river ecosystem improvement following restoration. However, biological, biochemical and physico-chemical parameters, which can reflect aquatic degradation and address the realised biological effects of degradation and restoration on in-stream characters, the riparian zone or even the whole catchment, are scarcely used (Verdonschot 2000;Hu et al 2007).…”

Section: Introductionmentioning

confidence: 99%

Assessing the health of an urban stream: a case study of Suzhou Creek in Shanghai, China

Che

Yang

E-nuo

et al. 2012

Environ Monit Assess

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Restoration of urban streams and rivers has increased rapidly in developing countries in recent years. Estimating river health provides a new perspective on evaluating the ecological conditions of streams and rivers. The Suzhou Creek restoration project in Shanghai, China is a milestone for environmental protection. Based on the environmental and ecological data, including 17 indicators in five categories, collected from March 11 to April 20, 2007, the river health index (RHI) for Suzhou Creek was constructed and analysed to quantify the ecosystem of this urban river after a restoration project. The RHI scores of 34 sites ranged from 19.24 to 33.36, i.e. from poor to good. There were no significant RHI differences among stream orders, while differences in land use resulted in significant differences in channel flow status (B12), channel alteration (B21), channel sinuosity (B22), bank stability (B23), bank profile type (B25) and riparian vegetative zone width (B31). River restoration led to improved hydrological condition and channel physical form, while ammonia nitrogen (B44) and indicator scores of the presence of macro-invertebrate families (B51) were the lowest of any indicator. This case study supports the use of river health assessment as a supplement to water quality analysis in China.

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Assessment of environmental conditions of Nan-Shih stream in Taiwan

Cited by 18 publications

References 9 publications

Assessment of an index of biological integrity (IBI) to quantify the quality of two tributaries of river Chenab, Sialkot, Pakistan

Assessment of an index of biological integrity (IBI) to quantify the quality of two tributaries of river Chenab, Sialkot, Pakistan

Revisiting ecological integrity 30 years later: non‐native species and the misdiagnosis of freshwater ecosystem health

Assessing the health of an urban stream: a case study of Suzhou Creek in Shanghai, China

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