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Journal articles on the topic 'Functional stream'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Ely, Damon T., and J. Bruce Wallace. "Long-term functional group recovery of lotic macroinvertebrates from logging disturbance." Canadian Journal of Fisheries and Aquatic Sciences 67, no. 7 (2010): 1126–34. http://dx.doi.org/10.1139/f10-045.

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Clear-cut logging rapidly affects stream macroinvertebrates through substantial alteration of terrestrial–aquatic resource linkages; however, lesser known are the long-term influences of forest succession on benthic macroinvertebrate assemblages, which play key roles in stream ecosystem function. We compared secondary production and standing crops of detritus in two mountain headwater streams within Coweeta Hydrologic Laboratory, North Carolina, USA, as part of a long-term, paired-watershed investigation of macroinvertebrate recovery from whole-catchment logging. Mean annual habitat-weighted a

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Füreder, Leopold, and Georg H. Niedrist. "Glacial Stream Ecology: Structural and Functional Assets." Water 12, no. 2 (2020): 376. http://dx.doi.org/10.3390/w12020376.

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High altitude glacier-fed streams are harsh environments inhabiting specialized invertebrate communities. Most research on biotic aspects in glacier-fed streams have focused on the simple relationship between presence/absence of species and prevailing environmental conditions, whereas functional strategies and potentials of glacial stream specialists have been hardly investigated so far. Using new and recent datasets from our investigations in the European Alps, we now demonstrate distinct functional properties of invertebrates that typically dominate glacier-fed streams and show significant r

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Valyear, Kenneth F., and Jody C. Culham. "Observing Learned Object-specific Functional Grasps Preferentially Activates the Ventral Stream." Journal of Cognitive Neuroscience 22, no. 5 (2010): 970–84. http://dx.doi.org/10.1162/jocn.2009.21256.

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In one popular account of the human visual system, two streams are distinguished, a ventral stream specialized for perception and a dorsal stream specialized for action. The skillful use of familiar tools, however, is likely to involve the cooperation of both streams. Using functional magnetic resonance imaging, we scanned individuals while they viewed short movies of familiar tools being grasped in ways that were either consistent or inconsistent with how tools are typically grasped during use. Typical-for-use actions were predicted to preferentially activate parietal areas important for tool

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Ray, Dipanjan, Nilambari Hajare, Dipanjan Roy, and Arpan Banerjee. "Large-scale Functional Integration, Rather than Functional Dissociation along Dorsal and Ventral Streams, Underlies Visual Perception and Action." Journal of Cognitive Neuroscience 32, no. 5 (2020): 847–61. http://dx.doi.org/10.1162/jocn_a_01527.

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Visual dual-stream theory posits that two distinct neural pathways of specific functional significance originate from primary visual areas and reach the inferior temporal (ventral) and posterior parietal areas (dorsal). However, there are several unresolved questions concerning the fundamental aspects of this theory. For example, is the functional dissociation between ventral and dorsal stream driven by features in input stimuli or is it driven by categorical differences between visuoperceptual and visuomotor functions? Is the dual stream rigid or flexible? What is the nature of the interactio

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Fasyah, Adistya Karamina, and Ismar Hamid. "Jalan Terjal Gerakan Lingkungan Hidup Dalam Wujud Antagonisme Paradigmatik." Huma: Jurnal Sosiologi 3, no. 3 (2024): 232–44. http://dx.doi.org/10.20527/h-js.v3i3.243.

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Differences in forms and demands among various environmental movements in South Kalimantan, which are influenced by ideological streams, are the main obstacles in the formation of strong solidarity to achieve environmental protection goals. The research was conducted to produce a map of environmental movement streams and description of the dynamics of the environmental movement in South Kalimantan. The research used qualitative methods. Data collection techniques used observation, in-depth interviews and documentation. The results stated that there are 4 (four) streams that exist in the enviro

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Pease, Allison A., Alfonso A. González‐Díaz, Rocío Rodiles‐Hernández, and Kirk O. Winemiller. "Functional diversity and trait–environment relationships of stream fish assemblages in a large tropical catchment." Freshwater Biology 57, no. 5 (2012): 1060–75. https://doi.org/10.5281/zenodo.14817690.

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(Uploaded by Plazi for the Bat Literature Project) Summary 1. The species composition of stream fish assemblages changes across the longitudinal fluvial gradient of large river basins. These changes may reflect both zonation in species distributions and environmental filtering of fish traits as stream environments change from the uplands to the lowlands of large catchments. Previous research has shown that taxonomic diversity generally increases in larger, lowland streams, and the River Continuum Concept, the River Habitat Template and other frameworks have provided expectations for what funct

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Baldwin, L. K., C. L. Petersen, G. E. Bradfield, W. M. Jones, S. T. Black, and J. Karakatsoulis. "Bryophyte response to forest canopy treatments within the riparian zone of high-elevation small streams." Canadian Journal of Forest Research 42, no. 1 (2012): 141–56. http://dx.doi.org/10.1139/x11-165.

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Riparian buffer strips are increasingly used to mitigate disturbance effects on terrestrial biota found adjacent to streams, yet it is unclear how the effects of canopy treatment (clear-cut, buffer, or intact forest) will interact with pre-existing stream–upland gradients. We questioned whether proximity to the stream would influence bryophyte richness and whether the effects of canopy treatment on bryophyte composition and functional group representation would differ along the stream–upland gradient. Bryophyte richness, abundance, and composition were sampled in continuous forest (n = 6), two

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Lester, Rebecca E., Wendy Wright, and Michelle Jones-Lennon. "Does adding wood to agricultural streams enhance biodiversity? An experimental approach." Marine and Freshwater Research 58, no. 8 (2007): 687. http://dx.doi.org/10.1071/mf06198.

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Riparian clearing and the removal of wood from channels have affected many streams in agricultural landscapes. As a result, these streams often have depauperate in-stream wood loads, and therefore decreased habitat complexity and lower levels of in-stream biodiversity. The introduction of wood was investigated as a possible rehabilitation technique for agricultural streams. Wood was re-introduced to eight streams in two separate high-rainfall, intensively grazed regions of Victoria, Australia and the effect on aquatic macroinvertebrate communities was measured. The addition of wood increased o

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Gulin Beljak, Vesna, Barbara Vlaičević, Mirela Sertić Perić, and Renata Matoničkin Kepčija. "Restored tufa-depositing streams: a dynamic interface between terrestrial and aquatic ecosystems." Knowledge & Management of Aquatic Ecosystems, no. 424 (2023): 16. http://dx.doi.org/10.1051/kmae/2023012.

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Stream periphyton has implications for ecosystem processes, yet little is known about its function in response to restoration efforts. In this study, we compared the taxonomic and functional composition of periphytic ciliates between restored and unrestored (control) streams for two different immersion periods to identify species with indicator potential, identify ciliate functional traits that differ between the two stream types, and examine the effects of environmental parameters on species and functional trait composition. Our study showed that restored streams differed from control streams

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Gómez-Arcusa, Silvia, Nuno Coimbra, and Verónica Ferreira. "Invasion of temperate riparian forests by Acacia dealbata affects macroinvertebrate community structure in streams." Limnetica 44, no. 1 (2025): 1. http://dx.doi.org/10.23818/limn.44.01.

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The riparian forest determines many of the stream characteristics such as physicochemical variables and the availability and quality of food resources for aquatic communities. In central Portugal, native mixed deciduous forests are being heavily invaded by Acacia dealbata, which is an evergreen and nitrogen-fixing tree species, but effects on stream benthic macroinvertebrate communities are unknown. We assessed invasion effects on macroinvertebrate communities by comparing streams flowing through native forests (native streams) and streams flowing through forests heavily invaded by A. dealbata

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Vrieze, Lance A., and Peter W. Sorensen. "Laboratory assessment of the role of a larval pheromone and natural stream odor in spawning stream localization by migratory sea lamprey (Petromyzon marinus)." Canadian Journal of Fisheries and Aquatic Sciences 58, no. 12 (2001): 2374–85. http://dx.doi.org/10.1139/f01-179.

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This study used large laboratory mazes and natural stream waters to test the role of olfactory cues, including a pheromone released by larvae, in spawning stream localization by migratory sea lamprey (Petromyzon marinus). We found that migratory lamprey strongly prefer stream water over lake water and that this response is dependent upon a functional olfactory system. Responses persisted among migratory lamprey even after stream water was diluted a thousand times but were not seen among non-migratory lamprey. Experiments using waters from five streams demonstrated that a larval pheromone is a

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Doehring, Katharina, Joanne E. Clapcott, and Roger G. Young. "Assessing the Functional Response to Streamside Fencing of Pastoral Waikato Streams, New Zealand." Water 11, no. 7 (2019): 1347. http://dx.doi.org/10.3390/w11071347.

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In New Zealand, streamside fencing is a well-recognised restoration technique for pastoral waterways. However, the response of stream ecosystem function to fencing is not well quantified. We measured the response to fencing of eight variables describing ecosystem function and 11 variables describing physical habitat and water quality at 11 paired stream sites (fenced and unfenced) over a 30-year timespan. We hypothesised that (1) fencing would improve the state of stream ecosystem health as described by physical, water quality and functional indicators due to riparian re-establishment and (2)

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Donald, D. B. "THE WING LENGTH OF SWELTSA REVELSTOKA (PLECOPTERA: CHLOROPERLIDAE)." Canadian Entomologist 117, no. 2 (1985): 233–39. http://dx.doi.org/10.4039/ent117233-2.

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AbstractFunctional wing length (wing length/head-capsule width) of female Sweltsa revelstoka (Jewett) from streams was measured for 19 sites that have been free of Wisconsin glacial ice for about 15 000 years and possibly longer, and from 23 sites that have been ice free for about 10 000 years. At the former sites brachypterous populations were common and there was a significant negative relationship between functional wing length and elevation, and a positive relationship between functional wing length and stream size. In the area that deglaciated more recently, populations were not or only s

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Kiss, Ottó, and Sándor Andrikovics. "Functional feeding groups along a lowland stream (Eger Stream, Hungary)." SIL Proceedings, 1922-2010 27, no. 3 (2000): 1489–93. http://dx.doi.org/10.1080/03680770.1998.11901485.

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15

Huryn, Alexander D., Karie A. Slavik, Rex L. Lowe, Stephanie M. Parker, Dennis S. Anderson, and Bruce J. Peterson. "Landscape heterogeneity and the biodiversity of Arctic stream communities: a habitat template analysis." Canadian Journal of Fisheries and Aquatic Sciences 62, no. 8 (2005): 1905–19. http://dx.doi.org/10.1139/f05-100.

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We predicted that substratum freezing and instability are major determinants of the variability of stream community structure in Arctic Alaska. Their effects were conceptualized as a two-dimensional habitat template that was assessed using a natural experiment based on five stream types (mountain-spring, tundra-spring, tundra, mountain, glacier). Detrended correspondence analysis (DCA) indicated distinct macroinvertebrate assemblages for each stream type. The contribution of functional feeding groups to assemblage biomass varied systematically among stream types, indicating that structure and

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Clifford, Hugh F., Gillian M. Wiley, and Richard J. Casey. "Macroinvertebrates of a beaver-altered boreal stream of Alberta, Canada, with special reference to the fauna on the dams." Canadian Journal of Zoology 71, no. 7 (1993): 1439–47. http://dx.doi.org/10.1139/z93-199.

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There were different macroinvertebrate assemblages on the face of and in beaver dams compared with beaver ponds and main stream sites. The beaver dam featured a large proportion of simuliid larvae compared with the main stream sites of this stream and with areas of other studies of beaver-altered streams. The fauna of the dams was typical of fast-flowing habitats, whereas animals of the main stream sites (including the beaver ponds) were more characteristic of slow-flowing or lentic habitats. Cluster analysis separated the dam and main stream sites for each sampling date and year of our study

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17

Cahill, Kyle, Timothy Jordan, and Mukesh Dhamala. "Connectivity in the Dorsal Visual Stream Is Enhanced in Action Video Game Players." Brain Sciences 14, no. 12 (2024): 1206. http://dx.doi.org/10.3390/brainsci14121206.

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Action video games foster competitive environments that demand rapid spatial navigation and decision-making. Action video gamers often exhibit faster response times and slightly improved accuracy in vision-based sensorimotor tasks. Background/Objectives: However, the underlying functional and structural changes in the two visual streams of the brain that may be contributing to these cognitive improvements have been unclear. Methods: Using functional and diffusion MRI data, this study investigated the differences in connectivity between gamers who play action video games and nongamers in the do

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18

Liu, Yuwei, Yilin Tian, Yingzhi Gao, et al. "The Impacts of Different Anthropogenic Disturbances on Macroinvertebrate Community Structure and Functional Traits of Glacier-Fed Streams in the Tianshan Mountains." Water 14, no. 8 (2022): 1298. http://dx.doi.org/10.3390/w14081298.

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Macroinvertebrates are sensitive to environmental disturbances, however, the effects of human activities on macroinvertebrate community structures and functional traits in glacier-fed streams are concerning. To elucidate the effects of horse, cattle and sheep grazing, hot spring scenic development, and historic iron ore mine development on macroinvertebrate communities, we conducted a study in three glacier-fed streams of the Tianshan Mountains in northwest China in April 2021. Our results showed that the species richness and density significantly decreased due to grazing (p < 0.05). There

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19

Crisci-Bispo, Vera L., Pitágoras C. Bispo, and Claudio G. Froehlich. "Ephemeroptera, Plecoptera and Trichoptera assemblages in two Atlantic Rainforest streams, Southeastern Brazil." Revista Brasileira de Zoologia 24, no. 2 (2007): 312–18. http://dx.doi.org/10.1590/s0101-81752007000200007.

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Assemblages of Ephemeroptera, Plecoptera and Trichoptera (EPT) of rocky substrates were studied in two streams of the Intervales State Park. Monthly collections with a Surber sampler (10 random sampling units, 1m²) were carried out from September 1999 to September 2000 and quarterly from December 2000 to September 2001 in the Bocaina and Água Comprida Streams. The EPT fauna in the Bocaina Stream was more diversified and more abundant than in the Água Comprida Stream. The EPT fauna was quite different in the two streams both in composition as in functional aspects. The results of this study ind

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Aflalo, T. N., and M. S. A. Graziano. "Organization of the Macaque Extrastriate Visual Cortex Re-Examined Using the Principle of Spatial Continuity of Function." Journal of Neurophysiology 105, no. 1 (2011): 305–20. http://dx.doi.org/10.1152/jn.00795.2010.

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How is the macaque monkey extrastriate cortex organized? Is vision divisible into separate tasks, such as object recognition and spatial processing, each emphasized in a different anatomical stream? If so, how many streams exist? What are the hierarchical relationships among areas? The present study approached the organization of the extrastriate cortex in a novel manner. A principled relationship exists between cortical function and cortical topography. Similar functions tend to be located near each other, within the constraints of mapping a highly dimensional space of functions onto the two-

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Aguilar-Ruiz, Jesus S., Albert Bifet, and Joao Gama. "Data Stream Analytics." Analytics 2, no. 2 (2023): 346–49. http://dx.doi.org/10.3390/analytics2020019.

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22

Ferreira, Verónica, Arturo Elosegi, Scott D. Tiegs, Daniel von Schiller, and Roger Young. "Organic Matter Decomposition and Ecosystem Metabolism as Tools to Assess the Functional Integrity of Streams and Rivers–A Systematic Review." Water 12, no. 12 (2020): 3523. http://dx.doi.org/10.3390/w12123523.

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Streams and rivers provide important services to humans, and therefore, their ecological integrity should be a societal goal. Although ecological integrity encompasses structural and functional integrity, stream bioassessment rarely considers ecosystem functioning. Organic matter decomposition and ecosystem metabolism are prime candidate indicators of stream functional integrity, and here we review each of these functions, the methods used for their determination, and their strengths and limitations for bioassessment. We also provide a systematic review of studies that have addressed organic m

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Stenroth, Karolina, Trent M. Hoover, Jan Herrmann, Irene Bohman, and John S. Richardson. "A model-based comparison of organic matter dynamics between riparian-forested and open-canopy streams." Riparian Ecology and Conservation 2, no. 1 (2014): 1–13. http://dx.doi.org/10.2478/remc-2014-0001.

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AbstractThe food webs of forest streams are primarily based upon inputs of organic matter from adjacent terrestrial ecosystems. However, streams that run through open landscapes generally lack closed riparian canopies, and an increasing number of studies indicate that terrestrial organic matter may be an important resource in these systems as well. Combining key abiotically-controlled factors (stream discharge, water temperature, and litter input rate) with relevant biotic processes (e.g. macroinvertebrate CPOM consumption, microbial processing), we constructed a model to predict and contrast

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Bower, Luke M., David E. Saenz, and Kirk O. Winemiller. "Widespread convergence in stream fishes." Biological Journal of the Linnean Society 133, no. 3 (2021): 863–79. http://dx.doi.org/10.1093/biolinnean/blab043.

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Abstract Convergent evolution, the evolution of similar phenotypes among distantly related lineages, is often attributed to adaptation in response to similar selective pressures. Here, we assess the prevalence and degree of convergence in functional traits of stream fishes at the microhabitat scale in five zoogeographical regions across the world. We categorized species by microhabitat, water velocity and preference for substrate complexity and calculated the prevalence of convergence, degree of convergence and functional diversity for each category. Among species occupying similar microhabita

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Jankowski, Kathi Jo, Linda A. Deegan, Christopher Neill, et al. "Land Use Change Influences Ecosystem Function in Headwater Streams of the Lowland Amazon Basin." Water 13, no. 12 (2021): 1667. http://dx.doi.org/10.3390/w13121667.

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Intensive agriculture alters headwater streams, but our understanding of its effects is limited in tropical regions where rates of agricultural expansion and intensification are currently greatest. Riparian forest protections are an important conservation tool, but whether they provide adequate protection of stream function in these areas of rapid tropical agricultural development has not been well studied. To address these gaps, we conducted a study in the lowland Brazilian Amazon, an area undergoing rapid cropland expansion, to assess the effects of land use change on organic matter dynamics

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Seres, Silvija, and Michael Spivey. "Functional Reading of Logic Programs." JUCS - Journal of Universal Computer Science 6, no. (4) (2000): 433–46. https://doi.org/10.3217/jucs-006-04-0433.

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We propose an embedding of logic programming into lazy functional programming in which each predicate in a Prolog program becomes a Haskell function, in such a way that both the declarative and the procedural reading of the Prolog predicate are preserved. The embedding computes by means of operations on lazy lists. The state of each step in computation is passed on as a stream of answer substitutions, and all the logic operators of Prolog are implemented by explicit Haskell operators on these streams. The search strategy can be changed by altering the basic types of the embedding and the imple

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Dwivedi, Kshitij, Michael F. Bonner, Radoslaw Martin Cichy, and Gemma Roig. "Unveiling functions of the visual cortex using task-specific deep neural networks." PLOS Computational Biology 17, no. 8 (2021): e1009267. http://dx.doi.org/10.1371/journal.pcbi.1009267.

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The human visual cortex enables visual perception through a cascade of hierarchical computations in cortical regions with distinct functionalities. Here, we introduce an AI-driven approach to discover the functional mapping of the visual cortex. We related human brain responses to scene images measured with functional MRI (fMRI) systematically to a diverse set of deep neural networks (DNNs) optimized to perform different scene perception tasks. We found a structured mapping between DNN tasks and brain regions along the ventral and dorsal visual streams. Low-level visual tasks mapped onto early

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Geist, Juergen, Rebecca Hoess, Johan Rytterstam, and Håkan Söderberg. "Substratum Raking Can Restore Interstitial Habitat Quality in Swedish Freshwater Pearl Mussel Streams." Diversity 15, no. 7 (2023): 869. http://dx.doi.org/10.3390/d15070869.

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Functional and oxygenated stream beds provide crucial habitat for multiple endangered stream taxa, including endangered freshwater mussels, fishes, and insect larvae. Stream bed restoration measures such as substrate raking are often applied to mitigate excess fine sediment introductions and stream bed colmation, yet such measures are controversial. In this study, we conducted a systematic experiment in which sites with stream bed raking and removal of macrophytes were monitored over two years and compared with before-treatment conditions and untreated reference sites in the Swedish Brånsån st

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Gamlen-Greene, Roseanna, Jon S. Harding, David J. Hawke, and Travis W. Horton. "Forest stream biota carbon : nitrogen ratios are unaffected by nutrient subsidies from breeding Westland petrels (Procellaria westlandica)." Marine and Freshwater Research 69, no. 10 (2018): 1508. http://dx.doi.org/10.1071/mf17301.

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Stable isotope studies have repeatedly shown marine nutrient incorporation from seabirds, anadromous fish and tidal wrack into terrestrial and freshwater ecosystems. However, little is known about the physiological consequences of marine-derived nutrient subsidies. Protein content and lipid storage are important physiologically, and the C:N ratio is a widely used proxy that reflects changes in these quantities. In this study we tested the response of C:N ratios in stream biota to the presence of marine-derived nutrients from Westland petrels, a forest breeding seabird. Samples of different str

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Triandini, Evi, I. Gede Suardika, and I. Ketut Putu Suniantara. "Database Click Stream of E-commerce Functional." MATRIK : Jurnal Manajemen, Teknik Informatika dan Rekayasa Komputer 21, no. 1 (2021): 75–86. http://dx.doi.org/10.30812/matrik.v21i1.1446.

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The availability of e-commerce functionality that suits for user needs in e-commerce applications will increase the sustainability of application usage and can provide benefits for its users. Many e-commerce applications have been developed, but based on the results of previous research, these e-commerce applications do not pay attention to the availability of functionality and its advantages in the application. A database design to store functional clickstream ecommerce is required to determine the number of features that users are accessing. Database application development is the activity o

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Boudreault, Jérémie, Normand E. Bergeron, André St‐Hilaire, and Fateh Chebana. "Stream Temperature Modeling Using Functional Regression Models." JAWRA Journal of the American Water Resources Association 55, no. 6 (2019): 1382–400. http://dx.doi.org/10.1111/1752-1688.12778.

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Vaz, Pedro G., Eric C. Merten, Dana R. Warren, Christopher T. Robinson, Paulo Pinto, and Francisco C. Rego. "Which stream wood becomes functional following wildfires?" Ecological Engineering 54 (May 2013): 82–89. http://dx.doi.org/10.1016/j.ecoleng.2013.01.009.

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Prepas, Ellie E., Gordon Putz, Daniel W. Smith, Janice M. Burke, and J. Douglas MacDonald. "The FORWARD Project: Objectives, framework and initial integration into a Detailed Forest Management Plan in Alberta." Forestry Chronicle 84, no. 3 (2008): 330–37. http://dx.doi.org/10.5558/tfc84330-3.

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The Forest Watershed and Riparian Disturbance (FORWARD) project input into the Millar Western Forest Products Ltd. Detailed Forest Management Plan consists of three main components: 1) watershed and stream layer maps and associated datasets; 2) soil and wetland layer maps and associated datasets; and 3) a lookup table that permits planners to determine runoff coefficients (the variable selected for hydrological modelling) for functional first order watersheds, based upon various site factors and time since disturbance. The watershed and stream layer component includes a hydrological network, a

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Brasil, Leandro S., Yulie Shimano, Joana Darc Batista, and Helena S. R. Cabette. "Effects of environmental factors on community structure of Leptophlebiidae (Insecta, Ephemeroptera) in Cerrado streams, Brazil." Iheringia. Série Zoologia 103, no. 3 (2013): 260–65. http://dx.doi.org/10.1590/s0073-47212013000300008.

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We analyzed the effects of environmental factors on abundance, species richness, and functional group richness of Leptophlebiidae in 16 sampling points along four Cerrado streams. Across three periods of 2005, we collected 5,492 larvae from 14 species in stream bed substrate. These species belong to three functional feeding groups: scrapers, filtering collectors and shredders. The abundance and species richness were not affected by water quality, but habitat quality related to presence of riparian vegetation had positive effects on the abundance of shredders. Our results add important informat

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Gašparović, Sanja, Ana Sopina, and Anton Zeneral. "Impacts of Zagreb’s Urban Development on Dynamic Changes in Stream Landscapes from Mid-Twentieth Century." Land 11, no. 5 (2022): 692. http://dx.doi.org/10.3390/land11050692.

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Urban streams constitute a valuable form of multi-functional blue and green infrastructure (BGI) and can support urban development to generate ecosystem, social, and economic benefits. In global cities, planning for BGI enhancement contributes to climate change adaptation, ecosystem restoration, community health and wellbeing, improved quality of life, etc. This research aims to assess the dynamics of stream landscape change in Zagreb as well as the influence of urban development on the blue and green landscape and related urban values. The analysis of landscape features and their planning is

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Toskey, Elsa K., Stephen M. Bollens, Gretchen Rollwagen-Bollens, Peter M. Kiffney, Kyle D. Martens, and Bernard T. Bormann. "Stream Algal Biomass Associations with Environmental Variables in a Temperate Rainforest." Water 16, no. 11 (2024): 1533. http://dx.doi.org/10.3390/w16111533.

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Benthic algae and autotrophic seston are important bases of stream food webs, and several different environmental factors may influence their biomass. We explored how benthic algae and autotrophic seston biomass (using chlorophyll-a as a proxy for algal biomass) were associated with stream temperature, channel width, canopy cover, stream cardinal orientation, benthic macroinvertebrate functional feeding group abundance, salmonid biomass, and water velocity in 16 small, fish-bearing streams in the temperate rainforest of the Olympic Peninsula in Washington State, USA, in the summer of 2020. We

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Schuetz, Tobias, Chantal Gascuel-Odoux, Patrick Durand, and Markus Weiler. "Nitrate sinks and sources as controls of spatio-temporal water quality dynamics in an agricultural headwater catchment." Hydrology and Earth System Sciences 20, no. 2 (2016): 843–57. http://dx.doi.org/10.5194/hess-20-843-2016.

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Abstract. Several controls are known to affect water quality of stream networks during flow recession periods, such as solute leaching processes, surface water–groundwater interactions as well as biogeochemical in-stream turnover processes. Throughout the stream network, combinations of specific water and solute export rates and local in-stream conditions overlay the biogeochemical signals from upstream sections. Therefore, upstream sections can be considered functional units which could be distinguished and ordered regarding their relative contribution to nutrient dynamics at the catchment ou

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Schuetz, T., C. Gascuel-Odoux, P. Durand, and M. Weiler. "Nitrate sinks and sources as controls of spatio-temporal water quality dynamics in an agricultural headwater catchment." Hydrology and Earth System Sciences Discussions 12, no. 8 (2015): 8577–614. http://dx.doi.org/10.5194/hessd-12-8577-2015.

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Abstract. Several controls are known to affect water quality of stream networks during flow recession periods such as solute leaching processes, surface water – groundwater interactions as well as biogeochemical in-stream retention processes. Throughout the stream network combinations of specific water and solute export rates and local in-stream conditions overlay the biogeochemical signals from upstream sections. Therefore, upstream sections can be considered as functional units which could be distinguished and ordered regarding their relative contribution to nutrient dynamics at the catchmen

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HOLLÄNDER, ANTJE, MARKUS HAUSMANN, JEFF P. HAMM, and MICHAEL C. CORBALLIS. "Sex hormonal modulation of hemispheric asymmetries in the attentional blink." Journal of the International Neuropsychological Society 11, no. 3 (2005): 263–72. http://dx.doi.org/10.1017/s1355617705050319.

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The present study examines differences in functional cerebral asymmetries modulated by gonadal steroid hormones during the menstrual cycle in women. Twenty-one right-handed women with regular menstrual cycles performed a double-stream rapid serial visual presentation (RSVP) task, with one stream in each visual field, during the low steroid menses and the high steroid midluteal phase. They were required to detect a target item, and then a probe item, each of which could appear in either stream. If the probe item appeared 200 ms after the target, detection of the probe was impaired—a phenomenon

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Chen, Weikun, Stefan Grimberg, Shane Rogers, and Taeyoung Kim. "Electrochemically Mediated Ammonia Removal and Recovery from Wastewater Using Functional Membranes." ECS Meeting Abstracts MA2023-01, no. 55 (2023): 2681. http://dx.doi.org/10.1149/ma2023-01552681mtgabs.

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Wastewater treatment plants (WWTPs) typically use anaerobic digestion (AD) to treat sludge, but ammonia produced during AD process returns to the headworks of WWTPs. The amount of ammonia in the liquid stream produced after dewatering the stabilized sludge, commonly referred to as dewatering sidestream, could contribute as high as 20% of the overall ammonia loading to WWTPs. Several sidestream treatment technologies are being developed not only to prevent additional ammonia inputs to WWTPs, but also to valorize ammonia for fertilizer production. Electrochemically mediated processes can achieve

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Clarke, Amber, P. S. Lake, and Dennis J. O'Dowd. "Ecological impacts on aquatic macroinvertebrates following upland stream invasion by a ponded pasture grass (Glyceria maxima) in southern Australia." Marine and Freshwater Research 55, no. 7 (2004): 709. http://dx.doi.org/10.1071/mf04043.

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Glyceria maxima (Reed sweet-grass), an emergent aquatic grass native to Eurasia, has naturalised in North America, New Zealand and southern Australia. Introduced as a ponded pasture species, it threatens native biodiversity and ecosystem processes in freshwater wetlands and waterways. We compared paired sections, either invaded or not invaded by G. maxima, of three upland streams in Gippsland, Victoria, Australia to infer its impacts on macroinvertebrate abundance, morphospecies density, and morphospecies and functional feeding group (FFG) composition. Its potential effects in altering sedimen

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BARATHY, S., T. SIVARUBAN, and PANDIARAJAN SRINIVASAN. "Distribution of mayflies in thirty streams of Western Ghats, Southern India." Journal of Insect Biodiversity 18, no. 2 (2020): 50–62. http://dx.doi.org/10.12976/jib/2020.18.2.1.

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Mayflies are recognized as potential bioindicators of good water quality and they are not widely been studied in Indian subcontinent. So the current paper aims to describe the distribution and trophic categorization of mayflies in connection with stream order, mesohabitats and landscape elements. The study was carried out in 30 streams of Palni and Cardamom hills of Southern India from 2017–2018. A total of 10,075 individuals of mayflies were collected from 30 sites. The species richness among the six landscape elements (evergreen, semi evergreen, forestry plantation, areca nut, scrub and habi

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Anbalagan, Sankarappan, Sundaram Dinakaran, and Muthukalingan Krishnan. "Life Cycle and Secondary Production of Four Species from Functional Feeding Groups in a Tropical Stream of South India." International Journal of Zoology 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/191059.

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This study focused on life strategies of species from functional feeding groups (FFGs) found in a tropical stream of the Sirumalai hills, South India. We examined the life cycle and secondary production of species of shredders (Lepidostoma nuburagangai), scrapers (Baetissp.), collectors (Choroterpes alagarensis), and predators (Neoperla biseriata). In addition, we studied the assemblage structure of functional feeding groups. We found the collectors occupied the highest percentage, followed in turn by scrapers, predators, and shredders. The diversity of FFGs was higher at riffle areas and asse

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Manna, Luisa Resende, and Carla Ferreira Rezende. "VARIAÇÃO INTRAESPECÍFICA EM PEIXES DE RIACHO COM ÊNFASE NA ECOLOGIA TRÓFICA." Oecologia Australis 25, no. 02 (2021): 301–22. http://dx.doi.org/10.4257/oeco.2021.2502.06.

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Assessing intraspecific variability in community structure and functioning are still scarce for stream-dwelling fish. However, measuring ecological traits for individuals is important since species’ response for environmental conditions occurs at the individual level, especially in streams which suffers constantly physical disturbances. Intraspecific variability can be measured for several ecological traits, such as morphology, diet, life-history, and habitat use that varies between populations or within populations. Here, we present some methods and studies that evaluated intraspecific trophi

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Teresa, Fabrício Barreto, Carlos Alberto Sousa Rodrigues-Filho, and Rafael Pereira Leitão. "DIVERSIDADE FUNCIONAL DE COMUNIDADES DE PEIXES DE RIACHO." Oecologia Australis 25, no. 02 (2021): 415–32. http://dx.doi.org/10.4257/oeco.2021.2502.12.

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In the last decade there was a remarkable increase in the number of studies incorporating species functional traits to quantify the diversity of communities (i.e., functional diversity). The functional approach has contributed to advances in theoretical and applied ecology. Studies developed in Brazil represent a significant portion of the world's scientific production on stream fish functional diversity. However, there is a clear bias, with most studies assessing communities' response to natural and anthropogenic environmental gradients. Other research areas such as conservation and the effec

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Casatti, Lilian, Fabrício Barreto Teresa, Thiago Gonçalves-Souza, et al. "From forests to cattail: how does the riparian zone influence stream fish?" Neotropical Ichthyology 10, no. 1 (2012): 205–14. http://dx.doi.org/10.1590/s1679-62252012000100020.

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The aim of this study was to verify whether taxonomic and functional composition of stream fishes vary under three different preservation conditions of riparian zone: preserved (PRE), intermediate condition (INT), and degraded (DEG). Five stream stretches representing each condition were selected. Samples were taken from each stream in three occasions during the dry seasons from 2004 to 2007. Electro fishing (PRE and INT), sieves, dip nets, and hand seines (DEG) were used according to the characteristics of each sampled site. Overall, 46 species were registered. Differences in the taxonomic an

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Rempel, R. S., and A. D. Harrison. "Structural and functional composition of the community of Chironomidae (Diptera) in a Canadian Shield stream." Canadian Journal of Zoology 65, no. 10 (1987): 2545–54. http://dx.doi.org/10.1139/z87-384.

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The chironomid community of Canisbay Creek, a Shield region stream flowing in Algonquin Park, Ontario, revealed substantial differences in species structure and emergence phenology to that previously described for the community of a spring-fed wooded stream in southern Ontario. These differences are attributed to the different chemical and thermal regimes in the two streams. Weekly samples were taken from anchored floating emergence traps. Of the 72 species found, 15 are undescribed. Most were either Orthocladiinae or Tanytarsini; no Diamesinae were recorded. Both univoltine and multivoltine s

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Slaney, P. A., and A. D. Martin. "The Watershed Restoration Program of British Columbia: Accelerating Natural Recovery Processes." Water Quality Research Journal 32, no. 2 (1997): 325–46. http://dx.doi.org/10.2166/wqrj.1997.022.

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Abstract Until recently, in British Columbia, there was no mechanism to ensure the rehabilitation of resource values adversely impacted by logging-induced landslides, erosion from logging roads, and harvesting of mature riparian trees to the stream-bank. In 1994, the Watershed Restoration Program was initiated under the province’s Forest Renewal Plan to provide an opportunity for diverse stakeholder partnerships to accelerate the recovery of watersheds impacted by logging practices of the past. Several decades of research on watershed processes, limitations to salmonid production in streams an

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Krno, Iľja, Tomáš Lánczos, and Ferdinand Šporka. "Windstorm disturbance effects on mountain stream ecosystems and the Plecoptera assemblages." Biologia 70, no. 9 (2015): 1215–27. http://dx.doi.org/10.1515/biolog-2015-0138.

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Abstract Within the investigated river basins the deforestation ranged from 0-45.5%, dependent on the amount of windstorm damage. Our water temperature readings revealed that the canopy elimination above the streams in the areas damaged by the windstorm caused increase in daily and annual water temperature and also wider daily water temperature range, than those in the undisturbed reference stream, which caused the decline of cold stenotherm species abundance. The stream basins deforestation was collinear with FPOM and UFPOM concentrations, water temperature gradient and nitrate concentrations

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Simeone, Diego, and Marcus E. B. Fernandes. "Linking Riparian Forest to the Functional Diversity of Ephemeroptera, Plecoptera, and Trichoptera in First-Order Tropical Streams." Diversity 17, no. 7 (2025): 438. https://doi.org/10.3390/d17070438.

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Riparian forests are important for maintaining aquatic biodiversity, yet they face increasing pressure from logging activities. This study assessed the functional diversity of Ephemeroptera, Plecoptera, and Trichoptera (EPT) in 30 Amazonian first-order streams across three riparian forests: pristine, selectively logged, and conventionally logged. We evaluated four habitat attributes linked to ecosystem functioning (canopy cover, water temperature, sediment organic matter, and small woody debris) and calculated two indices of functional diversity: richness and divergence. Functional diversity w

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