Diets and trophic guilds of aquatic insects in Molino River, La Guajira, Colombia

Granados-Martínez, Cristian; Zúñiga-Céspedes, Bladimir; Acuña-Vargas, Julio César

doi:10.4081/jlimnol.2016.1396

Cited by 9 publications

(14 citation statements)

References 29 publications

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“…Covich (1988) sugiere que las redes tróficas en las quebradas neotropicales se encuentran dominadas por consumidores generalistas, en lo cual se acoplan Camelobaetidius y Leptohyphes, ya que para estos géneros no se pudo definir un gremio trófico, al encontrarse gran cantidad de MOPF, material mineral y detritos en su contenido intestinal, por lo cual sugerimos que se tratan de consumidores generalistas, es decir, consumen el recurso más inmediato al interior del ecosistema. -Martínez et al (2016) registraron el hábito detritívoro para Camelobaetidius, lo cual concuerda en parte con lo encontrado en este estudio. Adicionalmente, en este trabajo se categoriza por primera vez el GT de Andesiops (Ephemeroptera) como recolector, dato que aporta al conocimiento de los gremios tróficos de insectos acuáticos de la región andina.…”

Section: Discussionunclassified

“…En la última década se ha incorporado el enfoque funcional de los insectos acuáticos en los estudios de evaluación de calidad de agua, para los cuales se ha tenido en cuenta el modo de adquisición de alimento, llamados grupos funcionales alimentarios (GFA) (Cummins 1973, Cummins y Klug 1979, Cummins et al 2005, Tomanova y Tedesco 2007, y el tipo de alimento ingerido o contenido intestinal, llamados gremios tróficos (GT) (Tamarís-Turizo et al 2007, Chará-Serna et al 2012, Guzmán-Soto y Tamarís-Turizo 2014, Longo y Blanco 2014, Ramírez y Gutiérrez-Fonseca 2014a, 2014b, Granados-Martínez et al 2016. Estos autores han propuesto los siguientes grupos: fragmentadores, recolectores, raspadores, filtradores y depredadores.…”

Section: Introductionunclassified

“…En Colombia, Chará-Serna et al (2012) clasificaron insectos acuáticos en gremios tróficos en la región cafetera, mientras que Granados-Martínez et al (2016) y Guzmán-Soto y Tamarís-Turizo (2014) realizaron esta clasificación en ríos del Caribe colombiano. En todos estos estudios se utilizó como base la revisión de los contenidos intestinales, la cual brinda un referente adecuado para la clasificación funcional y dietaria de los insectos presentes en ecosistemas lóticos.…”

Section: Introductionunclassified

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Grupos funcionales alimentarios de insectos acuáticos en quebradas andinas afectadas por agricultura y minería

2017

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RESUMENLos insectos acuáticos son indicadores ecológicos de perturbación antrópica y actualmente existe una tendencia a explorar el enfoque funcional como herramienta para la evaluación de la calidad del agua. Los insectos pueden cambiar el modo y tipo de adquisición de alimento de acuerdo con las condiciones del medio. Se evaluó la influencia del impacto agrícola y minero sobre la diversidad, los grupos funcionales alimentarios y gremios tróficos de insectos acuáticos en la cuenca alta del río Chinchiná (Caldas, Colombia). Se eligieron dos localidades una minera y otra agrícola, y en cada una se evaluaron dos quebradas, una de referencia y otra impactada. Mediante red Surber se recolectaron 8239 individuos agrupados en ocho ordenes, 36 familias y 71 taxones (Ĉn=100%). Se analizó el contenido intestinal de los individuos de los nueve géneros más abundantes y según el porcentaje de material ingerido se clasificaron como: fragmentadores, recolectores, depredadores, raspadores y filtradores. El tipo de alimento no cambió entre zonas de referencia e impactadas, los recolectores fueron dominantes en el área de estudio, seguidos por los fragmentadores. La mayor diversidad estuvo asociada a las quebradas no impactadas. No se evidenciaron cambios en la dieta de los insectos acuáticos, posiblemente debido a la disponibilidad de recursos. La actividad agrícola presentó el efecto negativo más fuerte sobre la diversidad del grupo, lo que puede estar asociado tanto con la extensión de los cultivos hasta las quebradas, con la consecuente pérdida de la vegetación ribereña y con el uso de agroquímicos.Palabras clave. Invertebrados acuáticos, gremios tróficos, contenido intestinal, ecosistemas lóticos, Andes colombianos. ABSTRACTAquatic insects are ecological indicators of human disturbance and currently there is the tendency to use the functional approach as a potential tool to evaluate water quality. Insects can change the food acquisition mode and the type according to environmental conditions. This study aims to evaluate the influence of the agricultural and mining impacts upon the diversity and dominance of aquatic insect feeding functional groups and trophic guilds found upstream in the Chinchiná River (Caldas, Colombia). Two localities were selected, one with mining and one with agriculture activities, in each locality we evaluated a reference and an impacted creek. A total of 8239 individuals were collected using a Surber net; these are

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Section: Discussionunclassified

Section: Introductionunclassified

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Grupos funcionales alimentarios de insectos acuáticos en quebradas andinas afectadas por agricultura y minería

2017

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“…In the rivers of the Sierra Nevada de Santa Marta, Trichoptera are represented by one Sh-Dt genus (Phylloicus), 2 genera cataloged as Ft (Leptonema and Smicridea) and a Pr (Atopsyche). The orders Plecoptera and Megaloptera are each represented by just one genus of Pr (Tamaris-Turizo et al 2007, Rodríguez-Barrios et al 2011, Guzmán-Soto & Tamaris-Turizo 2014, Granados-Martínez et al 2016. Additionally, some groups (e.g.…”

Section: Spatial and Seasonal Variations In The Dietsmentioning

confidence: 99%

“…Therefore, it is necessary to conduct studies that include the spatial and temporal dynamics of tropical systems. Analyses from different environments in Colombia, namely Gorgona Island (Longo & Blanco 2014a,b), the Risaralda region streams (Chará-Serna et al 2012) and the rivers in the Sierra Nevada de Santa Marta (Tamaris-Turizo et al 2007, Guzmán-Soto & Tamaris-Turizo 2014, Granados-Martínez et al 2016, have shown that trophic groups or FFGs for the same taxa that have been collected in different geographic regions are not consistent with the available literature (Torres-Zambrano & Torres-Zambrano 2016). In these studies, changes in diets along elevation gradients have not been evaluated and neither has the trophic variation resulting from differences in climatic periods.…”

Section: Introductionmentioning

confidence: 95%

Assigning functional feeding groups to aquatic arthropods in a Neotropical mountain river

et al. 2020

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The importance of aquatic arthropods in the processing of organic matter in fluvial systems is well known, but this topic has been poorly studied in Neotropical rivers. In this research, we studied the composition of functional feeding groups (FFGs) associated with differences in elevation in a tropical river in northern Colombia during the wet and dry seasons. Between 2008 and 2013, we collected benthic arthropods at 3 sites located in the upper (San Lorenzo), intermediate (La Victoria) and lower (Puerto Mosquito) sections of the Gaira River. We found some differences in the gut contents and FFGs of the animals from different sites and between the climatic seasons. The dominant food source at all the sites and during both seasons was fine particulate organic matter (FPOM). At La Victoria, the genera Leptonema, Smicridea and Phylloicus (all belonging to Trichoptera) presented significant differences in the consumption of coarse particulate organic matter (CPOM) between the rainy and dry seasons (p < 0.05). At San Lorenzo, Leptonema had the highest animal tissue consumption value (p < 0.05). A discriminant function analysis based on gut contents suggested that some taxa may have been assigned to the wrong FFGs. We concluded that the diets of the aquatic arthropods in our study tended to present high trophic plasticity. Consequently, our results suggest that Neotropical rivers need to be re-evaluated in terms of traditionally established FFGs, which heretofore have been based on information from other regions of the world, producing incorrect assessments of aquatic systems.

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Conservation of freshwater macroinvertebrate biodiversity in tropical regions

Sundar

Heino

Roque

et al. 2020

Aquatic Conservation

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Motivated by recent global initiatives for biodiversity conservation and restoration, this article reviews the gaps in our understanding of, and the challenges facing, freshwater macroinvertebrate biodiversity and conservation in tropical regions. This study revealed a lack of adequate taxonomic, phylogenetic, and ecological information for most macroinvertebrate groups, and consequently there are large‐scale knowledge gaps regarding the response of macroinvertebrate diversity to potential climate change and other human impacts in tropical regions. We propose ideas to reduce the impact of key drivers of declines in macroinvertebrate biodiversity, including habitat degradation and loss, hydrological alteration, overexploitation, invasive species, pollution, and the multiple impacts of climate change. The review also provides recommendations to enhance conservation planning in these systems (as well as providing clear management plans at local, regional, and national levels), integrated catchment management, the formulation of regulatory measures, the understanding of the determinants of macroinvertebrate diversity across multiple scales and taxonomic groups, and the collaboration between researchers and conservation professionals. It is suggested that the integrated use of macroinvertebrate biodiversity information in biomonitoring can improve ecosystem management. This goal can be facilitated in part by conservation psychology, marketing, and the use of the media and the Internet.

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Diets and trophic guilds of aquatic insects in Molino River, La Guajira, Colombia

Abstract: Aquatic

Cited by 9 publications

References 29 publications

Grupos funcionales alimentarios de insectos acuáticos en quebradas andinas afectadas por agricultura y minería

Grupos funcionales alimentarios de insectos acuáticos en quebradas andinas afectadas por agricultura y minería

Assigning functional feeding groups to aquatic arthropods in a Neotropical mountain river

Conservation of freshwater macroinvertebrate biodiversity in tropical regions

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