Search Results - "Monaghan, Kieran A."

Four Reasons to Question the Accuracy of a Biotic Index; the Risk of Metric Bias and the Scope to Improve Accuracy by Monaghan, Kieran A

“…Natural ecological variability and analytical design can bias the derived value of a biotic index through the variable influence of indicator body-size,…”
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rise and fall of fish diversity in a neotropical river after impoundment by Lima, Ana Carolina, Agostinho, Carlos Sérgio, Sayanda, Diogo, Pelicice, Fernando Mayer, Soares, Amadeu M. V. M, Monaghan, Kieran A

“…In contrast to the fast-paced dam construction and river ecosystem alteration which is taking place in the neotropics, ecological knowledge about the effects…”
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Seasonal time-series reveal the impact and rapid recovery in richness, abundance and community structure of benthic macroinvertebrates following catchment wildfire by Monaghan, Kieran A., Machado, Ana L., Corado, Margarida, Wrona, Frederick J., Soares, Amadeu M.V.M.

“…Catchment wildfire can decimate freshwater benthos when burnt material washes through river channels. We conducted detailed seasonal surveys over the course of…”
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The impact of a hydroelectric dam on Neotropical fish communities: A spatio‐temporal analysis of the Trophic Upsurge Hypothesis by Monaghan, Kieran A., Agostinho, Carlos S., Pelicice, Fernando M., Soares, Amadeu M. V. M.

“…We employed the trophic upsurge hypothesis as an analytical framework to describe the response of Neotropical fish communities to terrestrial inundation…”
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A pseudo time‐series reveals the rapid recovery and high variability of benthic macroinvertebrate populations following catchment wildfire by Monaghan, Kieran A., Machado, Ana L., Wrona, Frederick J., Soares, Amadeu M.V.M.

“…The increasing risk of wildfire has focused attention on the timescale of the impact and recovery of river ecosystems and methods for their bioassessment. An…”
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Using a trait‐based approach to measure the impact of dam closure in fish communities of a Neotropical River by Lima, Ana C., Sayanda, Diogo, Agostinho, Carlos S., Machado, Ana L., Soares, Amadeu M.V.M., Monaghan, Kieran A.

“…Damming is one of the main causes of the global decline in freshwater biodiversity. Yet, many hydroelectric dams are being built (or planned) in the…”
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Colonization and Development of an Alaskan Stream Community over 28 Years by Milner, Alexander M., Robertson, Anne L., Monaghan, Kieran A., Veal, Amanda J., Flory, Elizabeth A.

“…The application of general successional theory to stream ecosystems has not been widely addressed due to a lack of long-term studies on stream channels at…”
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derivation of log‐transformed abundance data for the quantitative analysis of macroinvertebrate traits – an addendum to ‘A macroecological perspective of trait patterns in stream communities’ by Heino et al. () by Monaghan, Kieran A, Soares, Amadeu M. V. M

“…Heino et al. () identified the weak explanatory power of abundance data as an important limitation of macroinvertebrate trait analysis. This limitation may be…”
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Alternative ways to measure impacts of dam closure to the structure of fish communities of a neotropical river by Lima, Ana Carolina, Agostinho, Carlos Sérgio, Soares, Amadeu M.V.M., Monaghan, Kieran A.

“…Neotropical freshwaters host some of the most biodiverse ecosystems in the world and are among the most threatened by habitat alterations. The high number of…”
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Bringing new knowledge to an old problem: Building a biotic index from lotic macroinvertebrate traits by Monaghan, Kieran A., Soares, Amadeu M.V.M.

“…Global environmental change necessitates a new approach to lotic bioassessment. Although biotic indices are widely accepted by regulatory authorities they are…”
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Influence of exposure scenario on pesticide toxicity in the midge Kiefferulus calligaster (Kieffer) by Domingues, Inês, Guilhermino, Lúcia, Soares, Amadeu M.V.M., Nogueira, António J.A., Monaghan, Kieran A.

“…In aquatic environments, many factors determine the overall impact of a toxic event, constituting “exposure scenarios” that must be understood so that risk…”
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Dispersal mechanisms of macroinvertebrates colonizing salmon flesh in a developing Alaskan stream by Monaghan, Kieran A., Milner, Alexander M.

“…Patterns of carcass colonization by macroinvertebrates suggest deterministic resource tracking. As salmon carcasses decay in riverine ecosystems, exudates and…”
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Effect of anadromous salmon redd construction on macroinvertebrate communities in a recently formed stream in coastal Alaska by Monaghan, Kieran A, Milner, Alexander M

“…The construction of salmon redds represents a localized but intense disturbance to benthic substrate and associated flora and fauna. Pink salmon (Oncorhynchus…”
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The bioassessment of fish and macroinvertebrates in a Mediterranean–Atlantic climate: Habitat assessment and concordance between contrasting ecological samples by Monaghan, Kieran A., Soares, Amadeu M.V.M.

“…Human intervention and drought conditions in Mediterranean rivers may necessitate the collection of organisms from a different habitat type to that specified…”
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Macroinvertebrate Communities and Habitat Structure in Least-Impacted Hill Streams of Central Portugal by Monaghan, Kieran A., Soares, Amadeu M.V.M.

“…We surveyed macroinvertebrate communities in 31 hill streams in the Vouga River and Mondego River catchments in central Portugal. Despite applying a…”
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