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Erik Jeppesen

Responses of fish assemblage structure to large-scale weir construction in riverine ecosystems

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Standard

Responses of fish assemblage structure to large-scale weir construction in riverine ecosystems. / Jo, Hyunbin ; Jeppesen, Erik; Ventura, Marc; Buchaca, Teresa; Gimb, Jeong-Soo ; Yoon, Ju-Duk ; Kim, Dong-Hwan ; Joob, Gea-Jae .

In: Science of the Total Environment, Vol. 657, 2019, p. 1334-1342.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Harvard

Jo, H, Jeppesen, E, Ventura, M, Buchaca, T, Gimb, J-S, Yoon, J-D, Kim, D-H & Joob, G-J 2019, 'Responses of fish assemblage structure to large-scale weir construction in riverine ecosystems', Science of the Total Environment, vol. 657, pp. 1334-1342. https://doi.org/10.1016/j.scitotenv.2018.11.446

APA

Jo, H., Jeppesen, E., Ventura, M., Buchaca, T., Gimb, J-S., Yoon, J-D., Kim, D-H., & Joob, G-J. (2019). Responses of fish assemblage structure to large-scale weir construction in riverine ecosystems. Science of the Total Environment, 657, 1334-1342. https://doi.org/10.1016/j.scitotenv.2018.11.446

CBE

Jo H, Jeppesen E, Ventura M, Buchaca T, Gimb J-S, Yoon J-D, Kim D-H, Joob G-J. 2019. Responses of fish assemblage structure to large-scale weir construction in riverine ecosystems. Science of the Total Environment. 657:1334-1342. https://doi.org/10.1016/j.scitotenv.2018.11.446

MLA

Vancouver

Jo H, Jeppesen E, Ventura M, Buchaca T, Gimb J-S, Yoon J-D et al. Responses of fish assemblage structure to large-scale weir construction in riverine ecosystems. Science of the Total Environment. 2019;657:1334-1342. https://doi.org/10.1016/j.scitotenv.2018.11.446

Author

Jo, Hyunbin ; Jeppesen, Erik ; Ventura, Marc ; Buchaca, Teresa ; Gimb, Jeong-Soo ; Yoon, Ju-Duk ; Kim, Dong-Hwan ; Joob, Gea-Jae . / Responses of fish assemblage structure to large-scale weir construction in riverine ecosystems. In: Science of the Total Environment. 2019 ; Vol. 657. pp. 1334-1342.

Bibtex

@article{bdb26da2d1be427e8480469f7868607a,
title = "Responses of fish assemblage structure to large-scale weir construction in riverine ecosystems",
abstract = "Worldwide, increasing amounts of dams and weirs have been established in rivers in recent decades, often with drastic effects on their ecosystems. Between late 2009 and 2011, 16 large-scale dams were built in the main channels of the four largest rivers in South Korea, eight of these along the main channel of Nakdong River (300 km, 520 km in total). We studied the effect of these constructions on the fish community in the riparian zone based on intensive fish field surveys conducted in the littoral zone during 2007–2017, analysis of fishermen's catch data and molecular analysis of the diet of the keystone species, largemouth bass (Micropterus salmoides). Our results, based on RDA and GLM analyses, showed that environmental characteristics and fish species composition changed significantly with dam construction. Total fish abundance and biomass decreased after the start of the weir construction and fish richness decreased with time. The abundance and biomass of exotic fish decreased during construction but recovered afterwards, leading to higher proportions of exotics. Dominance and Shannon indices did not change significantly from before to after construction, while the Evenness index showed a significant decreasing trend. A comparison of the diet composition of largemouth bass showed decreasing genetic variation after construction. The changes in Functional Feeding Group (FFG) of the benthic communities at the study sites did not coincide with FFG changes in the prey items of largemouth bass, indicating a transition in feeding mode from before to after construction. In conclusion, the endemic and native fish species were most sensitive and showed lower resilience to disturbance by the large-scale dam construction than the translocated and exotic species, and the lake-like ecosystems after construction markedly improved the competitive capacity of these exotic fish over the native and endemic species in the riparian zone of the river.",
keywords = "BASS, COMMUNITY, CONSERVATION, DIVERSITY, ECOLOGY, EVOLUTIONARY GENETICS, Fish species composition, Functional feeding group, GLM analysis, Genetic variability, HABITAT, IMPOUNDMENT IMPACT, RDA analysis, RESERVOIR, Resilience, Riparian zone, SIZE",
author = "Hyunbin Jo and Erik Jeppesen and Marc Ventura and Teresa Buchaca and Jeong-Soo Gimb and Ju-Duk Yoon and Dong-Hwan Kim and Gea-Jae Joob",
year = "2019",
doi = "10.1016/j.scitotenv.2018.11.446",
language = "English",
volume = "657",
pages = "1334--1342",
journal = "Science of the Total Environment",
issn = "0048-9697",
publisher = "Elsevier BV",

}

RIS

TY - JOUR

T1 - Responses of fish assemblage structure to large-scale weir construction in riverine ecosystems

AU - Jo, Hyunbin

AU - Jeppesen, Erik

AU - Ventura, Marc

AU - Buchaca, Teresa

AU - Gimb, Jeong-Soo

AU - Yoon, Ju-Duk

AU - Kim, Dong-Hwan

AU - Joob, Gea-Jae

PY - 2019

Y1 - 2019

N2 - Worldwide, increasing amounts of dams and weirs have been established in rivers in recent decades, often with drastic effects on their ecosystems. Between late 2009 and 2011, 16 large-scale dams were built in the main channels of the four largest rivers in South Korea, eight of these along the main channel of Nakdong River (300 km, 520 km in total). We studied the effect of these constructions on the fish community in the riparian zone based on intensive fish field surveys conducted in the littoral zone during 2007–2017, analysis of fishermen's catch data and molecular analysis of the diet of the keystone species, largemouth bass (Micropterus salmoides). Our results, based on RDA and GLM analyses, showed that environmental characteristics and fish species composition changed significantly with dam construction. Total fish abundance and biomass decreased after the start of the weir construction and fish richness decreased with time. The abundance and biomass of exotic fish decreased during construction but recovered afterwards, leading to higher proportions of exotics. Dominance and Shannon indices did not change significantly from before to after construction, while the Evenness index showed a significant decreasing trend. A comparison of the diet composition of largemouth bass showed decreasing genetic variation after construction. The changes in Functional Feeding Group (FFG) of the benthic communities at the study sites did not coincide with FFG changes in the prey items of largemouth bass, indicating a transition in feeding mode from before to after construction. In conclusion, the endemic and native fish species were most sensitive and showed lower resilience to disturbance by the large-scale dam construction than the translocated and exotic species, and the lake-like ecosystems after construction markedly improved the competitive capacity of these exotic fish over the native and endemic species in the riparian zone of the river.

AB - Worldwide, increasing amounts of dams and weirs have been established in rivers in recent decades, often with drastic effects on their ecosystems. Between late 2009 and 2011, 16 large-scale dams were built in the main channels of the four largest rivers in South Korea, eight of these along the main channel of Nakdong River (300 km, 520 km in total). We studied the effect of these constructions on the fish community in the riparian zone based on intensive fish field surveys conducted in the littoral zone during 2007–2017, analysis of fishermen's catch data and molecular analysis of the diet of the keystone species, largemouth bass (Micropterus salmoides). Our results, based on RDA and GLM analyses, showed that environmental characteristics and fish species composition changed significantly with dam construction. Total fish abundance and biomass decreased after the start of the weir construction and fish richness decreased with time. The abundance and biomass of exotic fish decreased during construction but recovered afterwards, leading to higher proportions of exotics. Dominance and Shannon indices did not change significantly from before to after construction, while the Evenness index showed a significant decreasing trend. A comparison of the diet composition of largemouth bass showed decreasing genetic variation after construction. The changes in Functional Feeding Group (FFG) of the benthic communities at the study sites did not coincide with FFG changes in the prey items of largemouth bass, indicating a transition in feeding mode from before to after construction. In conclusion, the endemic and native fish species were most sensitive and showed lower resilience to disturbance by the large-scale dam construction than the translocated and exotic species, and the lake-like ecosystems after construction markedly improved the competitive capacity of these exotic fish over the native and endemic species in the riparian zone of the river.

KW - BASS

KW - COMMUNITY

KW - CONSERVATION

KW - DIVERSITY

KW - ECOLOGY

KW - EVOLUTIONARY GENETICS

KW - Fish species composition

KW - Functional feeding group

KW - GLM analysis

KW - Genetic variability

KW - HABITAT

KW - IMPOUNDMENT IMPACT

KW - RDA analysis

KW - RESERVOIR

KW - Resilience

KW - Riparian zone

KW - SIZE

UR - http://www.scopus.com/inward/record.url?scp=85058397354&partnerID=8YFLogxK

U2 - 10.1016/j.scitotenv.2018.11.446

DO - 10.1016/j.scitotenv.2018.11.446

M3 - Journal article

C2 - 30677900

VL - 657

SP - 1334

EP - 1342

JO - Science of the Total Environment

JF - Science of the Total Environment

SN - 0048-9697

ER -