Research on dams and fishes: determinants, directions, and gaps in the world scientific production

Pereira, Hasley Rodrigo; Gomes, Leonardo Fernandes; Barbosa, Hugo de Oliveira; Pelicice, Fernando Mayer; Nabout, João Carlos; Teresa, Fabrício Barreto; Vieira, Ludgero Cardoso Galli

doi:10.1007/s10750-019-04122-y

Cited by 29 publications

(12 citation statements)

References 72 publications

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“…It is necessary to analyse the performance difference of individual fish in future experiments. In fact, regulated rivers around the world are now facing the threat the water conservancy projects on fish resources (Pereira et al, 2020). Besides Chinses grass carps, most freshwater fish migrate at some scale (Harris et al, 2017), and the spawning migration of salmonids, European silver eels, sturgeons are most widely studied (Northcote, 1984).…”

Section: Strength and Limitation Of This Studymentioning

confidence: 99%

Coupled influence of flow velocity and water temperature on grass carp swimming behaviour and gonad development

Liu

Yin

Qiu

et al. 2021

Hydrological Processes

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Reproductive migration is an essential phase in the life of many fish. During this process, swimming behaviour and gonad development are key factors related to the migration quality, and both factors are strongly influenced by water temperature and flow velocity. Many studies have explored the separate effects of these variables on fish swimming ability or gonad development, but researchers have seldom investigated the simultaneous effects of low flow velocity and water temperature on the fish swimming behaviour and gonad development. To provide that knowledge, we conducted laboratory experiments that explored the coupled effects of low water temperature and flow on warm water fish swimming behaviour and gonad development. At five temperatures (16, 18, 20, 22, and 24 C), we observed the movement of migratory warmwater grass carp (Ctenopharyngodon idellus) at seven flow velocities (0.15, 0.2, 0.25, 0.3, 0.35, 0.40, and 0.45 m/s), then explored their gonad development by comparing the level of plasma 17β-estradiol and testosterone in fish travelling through a simulated fish way (flow stimulation) and in a fish tank (no flow stimulation). We used Bayesian networks to explore the acceptable hydrological condition for fish migration.We found that the minimum flow velocity for acceptable migration quality is a function of the water temperature, and that increasing water temperature improves fish movement success and increases the movement distance, especially at a low flow velocity. In addition, increasing water temperature (between 16 and 24 C in this experiment design) can enhance the effect of flow stimulation on gonad development. Overall, our results can broaden the understanding of reducing water temperature and flow velocity in fish swimming behaviour and gonad development, provide basic data to support hydrological process controls and the development of measures to protect fish migration.

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Section: Strength and Limitation Of This Studymentioning

confidence: 99%

Coupled influence of flow velocity and water temperature on grass carp swimming behaviour and gonad development

Liu

Yin

Qiu

et al. 2021

Hydrological Processes

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show abstract

“…Therefore, authorities are blamed for decisions to release various types of fish into oligotrophic waters. In fact, authorities perceive such fish to have aesthetic values that can improve the local economy (Pereira et al, 2020). Yet, in most cases, water bodies are introduced with non-native fish species because the authorities envision short-term objectives, have poor scientific support and their assessments were biased towards personal interests (Agostinho et al, 2004(Agostinho et al, , 2007(Agostinho et al, , 2010.…”

Section: Damming Activitiesmentioning

confidence: 99%

A review on introduced Cichla spp. and emerging concerns

Sastraprawira

Razak

Shahimi

et al. 2020

Heliyon

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Peacock bass (Cichla spp.) originates from the Neotropical environments of Brazil and Venezuela but, through trade and smuggling for aquarium keeping, sport fishing and aquaculture, it is now an emerging concern. Yet, less is known for Cichla spp. distribution and its ability to invade new environments. Aimed to communicate on Cichla spp. ecology, biology and introduction schemes from Scopus, Web of Science, Google Scholar and also National Centre for Biotechnology Information, this review also contains management strategies for invading fish species. While Cichla spp. can displace native fish populations, this concern is explained using ecological functions, physiological demands, direct and secondary invasion, disease tolerance and parasite spillover. Briefly, Cichla spp. has rapid embryogenesis (72 h) and matures in short periods (11-12 months), giving it an advantage to colonize new environments. With a large appetite, this true piscivore gains territorial control over water bodies by making it their feeding and nursery grounds. Perceived as an emerging concern after becoming introduced, seal-off or sport fishing were used to manage Cichla spp. but, this practice is not sustainable for the entire ecosystem. Hence, we recommend bottom-up management that involves community participation because they interact with the fish and have knowledge about their environment.

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“…However, more than 50% of rivers globally are impacted by physical infrastructure (e.g., dams, weirs, and culverts) that disrupt the longitudinal connectivity and obstruct sh from accessing essential habitats and resources. Numerous studies have demonstrated the negative eect that articial barriers have on migratory (Catalano et al, 2007;Lucas et al, 2009;Gough et al, 2018;O'Hanley et al, 2020) and resident sh populations (Nislow et al, 2011), including restricted range, altered population structure, reduced spawning and recruitment success, genetic isolation, and local extinction (Woord et al, 2005;Nunn and Cowx, 2012;Barbarossa et al, 2020;Pereira et al, 2020). This, in turn, can compromise the ability of river ecosystems to deliver the full range of ecosystem services (Rounsevell et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

How to choose? A bioeconomic model for optimizing river barrier mitigation actions

King

O’Hanley

Fraser

2021

Ecological Economics

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Research on dams and fishes: determinants, directions, and gaps in the world scientific production

Cited by 29 publications

References 72 publications

Coupled influence of flow velocity and water temperature on grass carp swimming behaviour and gonad development

Coupled influence of flow velocity and water temperature on grass carp swimming behaviour and gonad development

A review on introduced Cichla spp. and emerging concerns

How to choose? A bioeconomic model for optimizing river barrier mitigation actions

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