Distribution patterns of fish communities with respect to environmental gradients in Korean streams

Yoon, Ju-Duk; Kim, Jeong-Hui; Byeon, Myeong‐Seop; Yang, Hee-Jeong; Park, Jong Young; Shim, Jae-Hwan; Song, Ho-Bok; Yang, Hyun; Jang, Min‐Ho

doi:10.1051/limn/2011020

Cited by 20 publications

(16 citation statements)

References 36 publications

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“…Our results fitted very well with previous research that showed altitude considerably affects fish distribution in aquatic ecosystems (Amarasinghe & Welcomme 2002;Yoon et al 2011;Barradas et al 2012;Stojkovic et al 2013). However, altitude is a complex variable: it can cause direct and indirect effects on fish distribution.…”

Section: Potential Determinants Of Lake Fish Diversity and Assemblagessupporting

confidence: 91%

Large scale patterns in the diversity of lake fish assemblages in China and the effect of environmental factors

Guo¹,

Chen²,

Lek³

et al. 2016

fal

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Understanding variations in species diversity and assemblage related with environments at a large spatial scale has been a central aim of community ecology for decades. The current study contributes to building the global perspective on the lake fish diversity and assemblage in China, and identifying the potential determinants, based on the multi-species approach fitted by Multivariate Regression Trees. A total of 425 fish species and subspecies recorded in 135 lakes across the mainland China were modelled with 19 potential environmental factors. Five fish assemblages were then patterned according to the similarity of fish composition and determinants. Diversity partition (alpha diversity and gamma diversity) was employed to compare the differentiation of fish diversity in Chinese lakes in multiple spatial scales. A significant difference between each assemblage was found: alpha diversity was lower in plateau lakes than in plain lakes. However, gamma diversity on plateaus was higher than any other regions. Altitude, minimum temperature of the coldest month, annual temperature range and precipitation during the driest month were the most important determinants affecting fish assemblages and diversity. Consequently, our findings inform the potential implications of fish species conservation and natural resources management.

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Section: Potential Determinants Of Lake Fish Diversity and Assemblagessupporting

confidence: 91%

Large scale patterns in the diversity of lake fish assemblages in China and the effect of environmental factors

Guo¹,

Chen²,

Lek³

et al. 2016

fal

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“…All the fish captured were identified to species level in the field (Kim and Park, 2002), counted and released. The individuals whose length were less than 20 mm were preserved in 10% formalin and identified in the laboratories (Lee et al, 2011a;Yoon et al, 2011).…”

Section: Community Datamentioning

confidence: 99%

Basin-specific effect of global warming on endemic riverine fish in Korea

Chung

Kwon

et al. 2016

Ann. Limnol. - Int. J. Lim.

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The differences in geographical setting among basins create variation in regional climate and local assemblages. Global warming might induce varying degree of changes in the biodiversity and distribution of freshwater fish through water temperature increase in each basin. We investigated the effect of global warming on the thermal habitat suitability of endemic riverine fish in the basin scale and the relationship between change in species loss rate and altitude within a basin. Surface air temperature projections based on A1B emission scenario were used to estimate water temperatures in the major basins of South Korea in the future decades. The thermal tolerances of 39 endemic fish species were estimated from water temperatures and abundances in the habitats using the weighted average regression model. The minimum water temperature was compared with the maximum thermal tolerances to simulate the change in thermal habitat suitability of each species in a basin. Global warming is expected to drive 2-20 species to the risk of removal at 4.3-35.5% of their thermal habitats during 2060-2080s. The effect was variable according to the species' thermal tolerances and the level of basin-specific water temperature increase. The correlation between species loss rate and altitude was positive only when the relationship was considered separately for each basin. The results implied that global warming would greatly affect the suitable habitats of endemic fish before 2060s in Korean rivers. It was suggested that the biodiversity conservation efforts needs to incorporate the spatial heterogeneity in thermal regime among the basins.

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“…Generally, altitude could generate direct barrier effects on distribution and life history traits of organisms, e.g. limit the colonization and speciation of fish (Yoon et al, 2011;Barradas et al, 2012;Stojkovic et al, 2013). As a complex variable, altitude can also bring indirect impacts on fish assemblages due to collinearity with climatic factors (Brucet et al, 2013).…”

Section: Prediction and Determinants Of Fish Species Assemblages In Cmentioning

confidence: 99%

Predicting fish species richness and assemblages with climatic, geographic and morphometric factors: A broad-scale study in Chinese lakes

Guo

Lek

et al. 2015

Limnologica

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a b s t r a c tThe present study was designed to investigate the relative importance of climatic (temperature and precipitation), geographic (altitude) and morphometric (lake area) factors in predicting fish species richness and assemblages in Chinese lakes at a large spatial scale. Two recursive partitioning tree-based approaches: Classification and Regression Trees (CARTs) and Multivariate Regression Trees (MRTs) were employed to generate predictive models respectively. Six fish assemblages were thus defined from the MRT model. The results indicated that lake altitude was the main determinant for predicting fish assemblages in Chinese lakes (30.43%), followed by precipitation of the driest month (10.47%), temperature annual range (3.62%) and annual mean temperature (3.15%). Validated CART model implied that precipitation of driest month, maximum temperature of warmest month and lake area were the main predictors in determining fish species richness patterns. Overall, our results indicated that the altitudinal extent and range of climatic variation was sufficient to overshadow the area effect in predicting fish species richness and assemblages in Chinese lakes. At the macroecological scale, the effect of temperature and precipitation on fish richness and assemblages also suggests future changes in fish diversity as a consequence of climate change.

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Distribution patterns of fish communities with respect to environmental gradients in Korean streams

Cited by 20 publications

References 36 publications

Large scale patterns in the diversity of lake fish assemblages in China and the effect of environmental factors

Large scale patterns in the diversity of lake fish assemblages in China and the effect of environmental factors

Basin-specific effect of global warming on endemic riverine fish in Korea

Predicting fish species richness and assemblages with climatic, geographic and morphometric factors: A broad-scale study in Chinese lakes

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