Application of the physical habitat simulation for fish species to assess environmental flows in an Atlantic Forest Stream in South-eastern Brazil

Costa, Marcus Rodrigues da; Mattos, Tailan Moretti; Fernandes, Victor Hugo; Martínez‐Capel, Francisco; Muñoz‐Mas, Rafael; Araújo, Francisco Gerson

doi:10.1590/1982-0224-20140170

Cited by 6 publications

(6 citation statements)

References 56 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…La especie íctica indicadora del caudal ecológico se seleccionó por medio de un levantamiento de la biodiversidad acuática; para ello se efectuaron una serie de giras periódicas al sitio de estudio, con el fin de realizar el muestreo de peces con ayuda de atarrayas que usan los pescadores locales, además del uso de equipo de electro pesca marca Susan-1020NP y censos visuales. Los muestreos se realizaron en los microhábitats que potencialmente ocupan las especies de peces como zonas de pozas, remansos, zonas de rápidos, zonas con sustratos rocosos, vegetación sumergida, troncos y ramas entre otros hábitats posibles (Rodrigues da Costa et al, 2015).…”

Section: Métodounclassified

“…A partir de los datos de la abundancia de la especie, velocidad de la corriente (m/s), profundidad de la columna de agua (m) y tipo de refugio (sustrato), obtenidos en los estudios antes mencionados, se calcularon los índices de: disponibilidad de hábitat (ecuación 1), uso de hábitat (ecuación 2) y preferencia de hábitat (ecuación 3), de acuerdo con las fórmulas propuestas por Rodrigues da Costa et al (2015).…”

Section: Análisis De Datosunclassified

“…La aplicación de metodologías eco-hidráulicas u holísticas para determinar el caudal ecológico resulta más integral al momento de la gestión de los recursos hidrológicos, ya que estos métodos buscan mantener la cantidad, calidad y régimen de caudales necesarios para sostener a los ecosistemas acuáticos (Empresa Nacional de Electricidad S.A. manejo, uso y restauración de los ríos significa mantener el régimen natural de estos, tomando en cuenta la variabilidad espacial y temporal, además de la restauración de sus funciones y procesos ecológicos (Poff et al, 2010;Rodrigues da Costa et al, 2015).…”

Section: Introductionunclassified

See 2 more Smart Citations

Idoneidad del hábitat de Amatitlania nigrofasciata y caudales ecológicos del río Cara Sucia, El Salvador

Leiva¹

2021

Realidad y Reflexión

View full text Add to dashboard Cite

El cálculo de caudales ecológicos de ríos en El Salvador, se basa en metodologías hidráulicas orientadas al uso del agua, sin tomar integridad y función ecológica. Se presenta el estudio de caso del río Cara Sucia, donde se determinó el caudal ecológico por metodologías eco-hidráulicas utilizando a Amatitlania nigrofasciata como bioindicador. Se estimó la curva de idoneidad de hábitat de A. nigrofasciata con profundidad, velocidad del agua y tipo de sustrato. La especie prefiere hábitats con profundidades de 0.2-0.7 m (juveniles y adultos) y hasta 0.8 m época lluviosa; sobre sustratos rocosos, hojarascas y vegetación sumergida, con velocidades de 0.3-0.6 m/s en ambas épocas. La simulación del ambiente físico mostró caudales de 1.0 m3/s con condiciones habitables para la especie y hábitat potencial con caudales de 2.2 m3/s (juveniles) y 5.0 m3/s (adultos). Condiciones de estrés hídrico por cambio climático y actividades antropogénicas afectarán este ecosistema, eliminando funciones ecológicas y económicas locales.

show abstract

Section: Métodounclassified

Section: Análisis De Datosunclassified

Section: Introductionunclassified

See 1 more Smart Citation

Idoneidad del hábitat de Amatitlania nigrofasciata y caudales ecológicos del río Cara Sucia, El Salvador

Leiva¹

2021

Realidad y Reflexión

View full text Add to dashboard Cite

show abstract

“…Thorough knowledge of the biology of fish species and the requirements for those species to complete their life cycle makes it possible to predict which habitats will be able to host a given species or a given functional category of fish. Consequently, fish habitat models are frequently employed to determine minimal in-stream discharges to improve the habitat suitability for native fish species on by-passed reaches [22][23][24], to assess habitat changes induced by hydropeaking or weir and reservoir removal [25], and to evaluate the effects of restoration actions [26,27]. The most commonly used modeling method is the in-stream flow incremental methodology (IFIM) developed by the U.S.…”

Section: Introductionmentioning

confidence: 99%

Effects of Transverse Groynes on Meso-Habitat Suitability for Native Fish Species on a Regulated By-Passed Large River: A Case Study along the Rhine River

Chardon

Schmitt

Piégay

et al. 2020

Water

View full text Add to dashboard Cite

River regulations ultimately degrade fluvial forms and morphodynamics and simplify riparian and aquatic habitats. For several decades, river restoration actions have been performed to recover geomorphic processes and diversify these habitats to enhance both river biodiversity and ecosystem services. The objective of this study is to provide quantitative feedback on the experimental restoration of a large regulated and by-passed river (the Upper Rhine downstream of the Kembs Dam, France/Germany). This restoration consisted of the construction of two transverse groynes and the removal of bank protection. A monitoring framework composed of topo-bathymetric surveys as well as flow velocity and grain size measurements was established to assess the channel morphodynamic responses and evaluate their effects on habitat suitability for five native fish species using habitat models. A riverscape approach was used to evaluate the landscape changes in terms of both the configuration and the composition, which cannot be considered with classic approaches (e.g., Weighted Usable Area). Our results show that the two transverse groynes and, to a lesser extent, bank erosion, which was locally enhanced by the two groynes, increased habitat diversity due to the creation of new macroforms (e.g., pools and mid-bars) and fining of the bed grain size. Using a riverscape approach, our findings highlight that the restoration improved eel and juvenile nase species due to slowing down of the current and the deposition of fine sediments downstream of both groynes. As a consequence, the restoration improved the habitat suitability of the studied reach for more fish species compared with the pre-restoration conditions. This study also demonstrates that the salmon habitats downstream of the restored reach were improved due to fining of the bed grain size. This finding highlights that, for restorations aimed at fish habitats, the grain size conditions must be taken into consideration along with the flow conditions. Furthermore, the implementation of groynes, while not a panacea in terms of functional restoration, can be a strategy for improving fish habitats on highly regulated rivers, but only when more functional and natural options are impossible due to major constraints.

show abstract

“…Thorough knowledge of the biology of fish species and the requirements for those species to complete their life cycle makes it possible to predict which habitats will be able to host a given species or a given functional category of fish. Consequently, fish habitat models are frequently employed to determine minimal in-stream discharges to improve the habitat suitability for native fish species on by-passed reaches [21][22][23], to assess habitat changes induced by hydropeaking or weir and reservoir removal [24], and to evaluate the effects of restoration actions [25,26]. The most commonly used modeling method is the in-stream flow incremental methodology (IFIM) developed by the U.S.…”

mentioning

confidence: 99%

Effects of Transverse Groynes on Meso-Habitat Suitability for Native Fish Species on a Regulated By-Passed Large River

Chardon¹,

Schmitt²,

Piégay³

et al. 2020

Preprint

View full text Add to dashboard Cite

River regulations ultimately degrade fluvial forms and morphodynamics and simplify riparian and aquatic habitats. For several decades, river restoration actions have been performed to recover geomorphic processes and diversify these habitats to enhance both river biodiversity and ecosystem services. The objective of this study is to provide quantitative feedback on the experimental restoration of a large regulated and by-passed river (the Upper Rhine downstream of the Kembs Dam, France/Germany). This restoration consisted of the construction of two transverse groynes and the removal of bank protection. A monitoring framework composed of topo-bathymetric surveys as well as flow velocity and grain size measurements was established to assess the channel morphodynamic responses and evaluate their effects on habitat suitability for five native fish species using habitat models. A riverscape approach was used to evaluate the landscape changes in terms of both the configuration and the composition, which cannot be considered with classic approaches (e.g., WUA). Our results show that the two transverse groynes and, to a lesser extent, bank erosion, which was locally enhanced by the two groynes, increased habitat diversity due to the creation of new macroforms (e.g., pools and mid-bars) and fining of the bed grain size. Using a riverscape approach, our findings highlight that the restoration improved lentic fish habitats (eel and juvenile nase species) due to slowing of the local current and the deposition of fine sediments downstream of both groynes. As a consequence, the restoration improved the habitat suitability of the studied reach for more fish species compared with the pre-restoration conditions. This study also demonstrates that the salmon habitats downstream of the restored reach were improved due to fining of the bed grain size. This finding highlights that for restorations aimed at fish habitats, the grain size conditions must be taken into consideration along with the flow conditions. Furthermore, the implementation of groynes, while not a panacea, can be a strategy for improving fish habitats on highly regulated rivers, but only when more functional and natural options are impossible due to major constraints.

show abstract

Application of the physical habitat simulation for fish species to assess environmental flows in an Atlantic Forest Stream in South-eastern Brazil

Cited by 6 publications

References 56 publications

Idoneidad del hábitat de Amatitlania nigrofasciata y caudales ecológicos del río Cara Sucia, El Salvador

Idoneidad del hábitat de Amatitlania nigrofasciata y caudales ecológicos del río Cara Sucia, El Salvador

Effects of Transverse Groynes on Meso-Habitat Suitability for Native Fish Species on a Regulated By-Passed Large River: A Case Study along the Rhine River

Effects of Transverse Groynes on Meso-Habitat Suitability for Native Fish Species on a Regulated By-Passed Large River

Contact Info

Product

Resources

About