Results 31 to 40 of about 11,690 (163)

Nota editorial - número temático macroinvertebrados

open access: yesActa Biológica Colombiana, 2023
En esta ocasión, presentamos este número especial, que se fundamenta en la quinta versión del Congreso Macrolatinos@ realizado en Panamá en octubre de 2021, y que ha sido acogido amablemente por la Revista Acta Biológica Colombiana, del Departamento de ...
Jeymmy Walteros
doaj  

Assessing the freshwater quality of a large-scale mining watershed : the need for integrated approaches [PDF]

open access: yes, 2019
Water quality assessments provide essential information for protecting aquatic habitats and stakeholders downstream of mining sites. Moreover, mining companies must comply with environmental quality standards and include public participation in water ...
Arroyo, Nilton Deza   +10 more
core   +1 more source

Multiscale Environmental Drivers of Aquatic Insect Assemblages in Cerrado Streams

open access: yesAustral Ecology, Volume 51, Issue 3, March 2026.
Multi‐scale drivers of aquatic insect communities in Cerrado streams. The gradient (from left to right) indicates increasing spatial scale, showing that abundance is influenced by local factors (conductivity, temperature), taxonomic richness responds to agricultural land use at an intermediate scale, and community composition is structured by regional ...
Juliana Simião‐Ferreira   +9 more
wiley   +1 more source

Efecto del microhábitat sobre la abundancia y riqueza específica de los macroinvertebrados bentónicos en dos ríos tropicales de montaña, Guatemala

open access: yesCiencia, Tecnología y Salud, 2019
Los macroinvertebrados bentónicos cumplen funciones ecológicas importantes en los sistemas lóticos, como el traspaso de energía a través de las redes tróficas, la descomposición de la materia orgánica, reciclaje de nutrientes y mezcla de sedimentos.
Gabriela Dávila-Recinos   +2 more
doaj   +1 more source

Experimental Disentangling of the Effects of Initial Population Size and Resource Availability on Weevil Population Dynamics

open access: yesEntomologia Experimentalis et Applicata, Volume 173, Issue 12, Page 1278-1284, December 2025.
Initial population size and resource availability are key factors regulating population dynamics, with growth rates typically declining as populations increase but rising with greater resources. In maize weevils, however, we found an unexpected negative effect of resource availability on intrinsic growth rates, contrary to conventional expectations. We
Gessica Miranda Barros   +24 more
wiley   +1 more source

Contribution of shredder macroinvertebrates and aquatic hyphomycetes to litter decomposition in remote insular streams [PDF]

open access: yes, 2019
Dissertação de Mestrado, Biodiversidade e Biotecnologia, 31 de janeiro de 2019, Universidade dos Açores.É bem conhecido que os trituradores desempenham um papel crucial no processamento de matéria orgânica.
Balibrea Escobar, Ana
core  

Utilização da estrutura de comunidades de macroinvertebrados bentônicos como indicador de qualidade da água em rios no sul do Brasil

open access: yesRevista Ambiente & Água, 2017
Macroinvertebrados bentônicos são afetados pela alteração dos sistemas aquáticos, que diminuem ou aumentam sua população. O conhecimento sobre macroinvertebrados bentônicos pode ser utilizado para conhecer a qualidade da água de lagos e rios, pois estes ...
Flávia Bernardo Chagas   +5 more
doaj   +1 more source

Evaluación de los efectos de la urbanización en los arroyos de Tierra del Fuego [PDF]

open access: yes, 2017
We set out to understand how urbanization affects streams in Ushuaia, Tierra del Fuego. Paired ttestsand linear regressions were used to compare physico-chemical stream habitat variables (i.e., temperature,turbidity, conductivity, dissolved oxygen and pH)
Anderson, Christopher Brian   +3 more
core  

Multiple‐stressor effects on leaf litter decomposition in freshwater ecosystems: A meta‐analysis

open access: yesFunctional Ecology, Volume 38, Issue 7, Page 1523-1536, July 2024.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Recent years have witnessed a surge in research on the effects of multiple stressors in freshwater ecosystems. While studies have increased, the synthesis of their findings into a broader understanding of ecosystem‐level effects remains an ongoing endeavour. Leaf litter
Graciela Medina Madariaga   +6 more
wiley   +1 more source

Evaluación de la calidad del agua mediante un enfoque múltiple en arroyos de la llanura templada (Argentina, América del Sur) [PDF]

open access: yes, 2012
We assessed the water quality in two pampean lotic systems (Argentina), the Juan Blanco and Buñirigo streams, subjected to different land uses (i. e., the UNESCO Biosphere Nature Reserve versus industry and agriculture, respectively) through measurements
Ocon, Carolina Silvia   +1 more
core   +1 more source

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