Experiment streams rivers. Medical search. Frequent questions

I have a continued interest in hydraulic modelling of braided gravel-bed rivers and geomorphological laboratory experiments. (durham.ac.uk)
Students in the lab can employ a diverse range of approaches, including laboratory experiments, field research, and modeling, to address broad questions in ecology. (colorado.edu)
In laboratory experiments that simulated water flowing over pellets in a stream, about half of the 1080 had been washed out after 5 hours and more than 90% after 24 hours. (doc.govt.nz)
In a 2006 NIWA laboratory study, kōura were placed in individual cages in stream-like habitat with either a 1080-containing pellet or a cereal pellet without 1080. (doc.govt.nz)
Kim is expanding his research with flume experiments to study carbonate sedimentology: He recently has done initial laboratory experiments simulating limestone precipitation in Yellowstone National Park. (utexas.edu)
The students also conducted experiments in the stream aquarium laboratory, where they examined how the drift-feeding behavior of juvenile brown trout changed in the presence of a predatory fish. (nrrv.se)
Laboratory experiments in the stream aquarium lab at Karlstad University. (nrrv.se)

Lakes, rivers, ponds and streams have become some of the most imperiled habitats on earth. (colorado.edu)
It was her school experiment after reading about drugs in Swiss lakes that sparked the US Geological Service to launch a survey of streams, rivers, lakes, and ponds. (anh-usa.org)
Research, regulation and testing continue to confirm that 1080 operations do not affect the water or wildlife in rivers, streams and lakes. (doc.govt.nz)
Are rivers big streams or flowing lakes? (ufl.edu)
Home » Soil, Water, and Ecosystem Sciences » Are Rivers Big Streams Or Flowing Lakes? (ufl.edu)
The SWAP Program highlights the changes to our rivers and lakes that occur during the spring season, and immerses students in engaging experiments to illustrate the dangers of exploring these fast-moving streams, ice-strewn beaches, and melting lakes. (grca.on.ca)
Western Lake Erie and its mammoth Maumee River watershed are Ground Zero for Great Lakes research - by far the warmest, shallowest and most dynamic part of the world's biggest lake system. (sej.org)
Biofuels currently account for 7 percent of US transport fuels, but the researchers point out that generating biofuels from feedstocks - like corn and soybeans - requires the use of pesticides and fertilisers on the crops, which can end up polluting streams, rivers and lakes. (thefishsite.com)

This resource contains the results of a nutrient uptake incubation experiment conducted at a mountain and urban site on the Logan River in northern Utah. (hydroshare.org)
Dr. AJ Reisinger filters a water sample during a nutrient uptake incubation at the Colorado River near Moab, UT. (ufl.edu)
Water column nutrient uptake incubation chambers (pictured above and below the water) were filled with river water, then amended with a nutrient of interest and allowed to sit in the river for 4-6 hours. (ufl.edu)

Across this fish's range, several underutilized streams and rivers contain healthy, moderate, fishable populations of muskies. (midwestoutdoors.com)
Mr Daufresne and his colleagues examined long-term surveys of fish populations in rivers, streams and the Baltic and North Seas and also performed experiments on bacteria and plankton. (climateshifts.org)
Lemly (1985) found that Green Sunfish reduced populations of native species, and altered population structure, relative dominance, and distribution patterns in North Carolina Piedmont streams. (usgs.gov)
Electrofishing is the most common method used for monitoring fish populations in streams. (nrrv.se)

Our group uses diverse tools ranging from genomics to ecosystem experiments to understand how freshwater systems are changing and at what cost. (colorado.edu)
Environmental scientists from the Academy of Natural Sciences and Temple University turned the water green in order to conduct an experiment to study the health of the stream ecosystem. (drexel.edu)
The degree to which the purple dye changes during the tracer test tells us how metabolically active the stream ecosystem is. (drexel.edu)
This broad range of methods is used to investigate the effects of multiple stressors on all components of the stream food web (from viruses to fish) and on four ecosystem functions. (uni-due.de)
In the U.S. West thousands of miles of incised streams on rangelands limit the output of ecosystem services including the provisioning services needed for productive agricultural systems and the regulating and supporting services associated with functional wildlife habitat. (oregonstate.edu)

As part of a more general interest in sediment transfer and the geomorphology of coarse-bed mountain streams and upland bedrock rivers. (durham.ac.uk)

Understanding what controls the metabolism of urban stream ecosystems helps us and other practitioners to more effectively manage and improve the health of these systems. (drexel.edu)
Academy scientists have monitored stream, river and lake ecosystems for many years. (drexel.edu)
The DFG-funded Collaborative Research Center 1439 RESIST deals with the effect of multiple stressors on stream ecosystems. (uni-due.de)

Her research involves river dynamics, stream restoration for fish habitat, sustainable management of agricultural streams, climate change impacts on rivers, large-scale flood modelling, three-dimensional computational fluid dynamics and freedom space for rivers. (concordia.ca)
Kim says the tank at the Pickle Research Campus will be one of just three in the world with computer controls that can move and manipulate the unit's floor to replicate tectonic subsidence and its impacts on river basins. (utexas.edu)

In simple freshwater ecological terms, people who study streams - lotic or flowing systems - focus on processes on the streambed. (ufl.edu)
This is a rural, scenic area consisting of freshwater streams and marshes. (infomi.com)

Wissahickon Creek is a tributary of the Schuylkill River that flows through Philadelphia and Montgomery counties. (drexel.edu)
I carefully walked in my waders along the shores of a small northeastern Illinois tributary stream. (midwestoutdoors.com)
We monitored a population of fluvial-resident Bonneville Cutthroat Trout Oncorhynchus clarkii utah in a tributary to the Logan River, Utah, from 2006 to 2012 to gain insight into the distribution and timing of spawning and what factors may influence these spawning activities. (researchgate.net)

The study was unable to detect any traces of 1080 in groundwater or stream water, despite using 25,000 times more 1080 than usually applied in an aerial operation. (doc.govt.nz)
The coal is, among other weathering products, transported by rivers and streams to the groundwater or out to sea. (lu.se)

Long‐term feeding experiments (months) showed that consumption rates of A. rubra in the spring (19.7% of the initial pack biomass) and in the fall (52% of the initial pack biomass) were intermediate between those of N. luetkeana (fully consumed) and Phyllospadix spp. (osti.gov)
Short‐term feeding experiments again showed that consumption of A. rubra in the spring (18.6% of initial pack biomass over 3 d) and fall (16.7% over 7 d) was intermediate between N. luetkeana (57.3% consumed over 3 d in the spring and 60.7% over 7 d in the fall) and Phyllospadix spp. (osti.gov)

They also knew that downstream rivers were running faster in the wet season and slower in the dry season - and muddier all year long. (ecosystemmarketplace.com)
Beyond the Lodge, the river becomes a torrent, with Class 5 white-water rapids downstream. (travelingboy.com)

He and colleagues spent four summers collecting data from 15 rivers in the western and midwestern United States. (ufl.edu)
Sequence analysis of a cloned 5.5-kb DNA fragment were identified in midwestern U.S. rivers. (cdc.gov)

Subsequent experiments, however, did not replicate this result (Krause et al. (blogspot.com)

With this species taking up residence in many deeper holes of streams, it's hard for many to believe they thrive in such underrated fisheries within a major metropolitan area. (midwestoutdoors.com)

Duguay, J ., Biron, P.M., Lacey, J.R.W. (2022) Aerial observations and numerical simulations confirm density-driven streamwise vortices at river confluences. (concordia.ca)

We report spatially resolved DBC quantity and radiocarbon (Δ 14 C) measurements, paired with molecular-level characterization of dissolved organic matter from the Amazon River and tributaries during low discharge. (nature.com)
Steelworks and coal mines dominated the valleys of the river and its major tributaries, the Rother and the Dearne. (bobrobertsonline.co.uk)

A NIWA field study in 2012 investigated whether 1080 could dissolve out of baits and end up in streams after heavy rainfall. (doc.govt.nz)
A case study of the Chaudière River. (concordia.ca)
Ecologists who study streams need to continue working to incorporate the water column into our conceptual model of riverine nutrient and energy cycling. (ufl.edu)
This experiment on the Southern California coast is an important step because it demonstrates kelp can be managed to maximize growth," said Diane Young Kim , an author of the study, who is associate director of special projects at the Wrigley Institute. (thefishsite.com)
Prior to the experiment, it was unclear whether kelp could effectively absorb the necessary nutrients, particularly nitrate, but the study suggests that the kelp found all it needed to thrive when lowered into deep water at night. (thefishsite.com)
A ventilation research study was conducted by the National Institute for Occupational Safety and Health and a cooperating trona mine in the Green River basin of Wyoming, USA. (cdc.gov)
For this study, sulfur hexafluoride (SF6) tracer gas was released in two separate monitoring experiments. (cdc.gov)

Its main feature is the Au Train River, whose dams have made for great recreational boating and fishing. (infomi.com)

For the first experiment, tracer gas was released on the face, this test focused on airflow along the longwall face of the active panel. (cdc.gov)
For the second experiment, tracer gas was released 2 crosscuts inby the face on the headgate side, this test focused on gas transport in the mined-out portion of the same active panel. (cdc.gov)

A large portion of BC is exported to the ocean by rivers as dissolved BC (DBC) (27 Tg year −1 ) 8 , thereby connecting marine and terrestrial carbon cycles 8 , 9 . (nature.com)
Our understanding of the role of BC in the regional and global-scale carbon cycle remains inadequate, due in large part to poor constraints on the processing, quality, and fate of DBC during river export to the ocean 16 . (nature.com)
To explore the concept of climate change in an earth day experiment, consider investigating alternative energy sources or measuring your carbon footprint. (ownthegreen.com)

The goal is to understand and predict the effects of degradation and recovery on stream biodiversity and functions. (uni-due.de)
Several years ago, this stream might have been lifeless thanks to man's neglect, urban abuse, stream degradation and pollution. (midwestoutdoors.com)

These fish do live in small rivers and streams. (midwestoutdoors.com)
Most are native fisheries or are rehabilitated while others are stocked and artificial like the suburban Chicago streams that I fish. (midwestoutdoors.com)
Where this fish ends up after the post- spawn migration depends on river conditions and forage location. (midwestoutdoors.com)
It had been used to experiment with coarse fish propagation and, in parallel with Calverton, chub, dace, bream and barbel were bred. (bobrobertsonline.co.uk)
Another destination is a fish hatchery that has turned the Au Sable River, revered by anglers as "holy waters," into a battleground over private aquaculture. (sej.org)
The use of fish skin is an ancient tradition in societies along rivers, streams and coasts all over the world. (lottasgarveri.se)
The course was given a tour of the area and shown remedial measures to facilitate fish migration in the regulated river Mörrumsån. (nrrv.se)
Therefore, it is a valuable skill for people interested in pursuing a career in stream fish ecology. (nrrv.se)

Our group strives to bring a broad perspective to these questions by combining field experiments, large-scale spatial and temporal field data, molecular tools and ecological modeling. (colorado.edu)
RESIST investigates the underlying mechanisms by combining field studies and mesocosm experiments with statistical and mechanistic modelling and synthesis. (uni-due.de)
His work with the new flume tank should produce measurements of the timing and speed of autogenic processes, in a manner we could never observe through field experiments. (utexas.edu)
Flume experiments, and their detailed measurements, could also help bridge a division in the field of sedimentology, says Kim. (utexas.edu)
Heavy metal transport in streams--field release experiments / B.M. Chapman, D.R. Jones, and R.F. Jung. (stanford.edu)
Field studies at river Mörrumsån. (nrrv.se)

The first day was spent at river Rannån, where students learned different methods to measure abiotic conditions in running waters and how to sample benthic fauna. (nrrv.se)
Fieldwork in river Rannån, where the students measured abiotic conditions and sampled benthic fauna. (nrrv.se)

How does flow intermittence affect organic matter decomposition along a Mediterranean river basin? (ub.edu)

Work is in progress on sediment transfer processes in upland and mountain streams in northern England. (durham.ac.uk)
We estimate a flux from the Amazon River of 1.9-2.7 Tg DBC yr −1 that is composed of predominately young DBC, suggesting that loss processes of modern DBC are important. (nature.com)
Previous flume experiments by Kim have produced a "striking" revelation about the role of "autogenic," or internal, processes, such as river avulsion (the shifting of a stream's path) or the natural cutting and filling of a valley, on the formation of deltas. (utexas.edu)

There may have been odd pockets of barbel in the higher reaches, in the tiny side streams, but there's no real evidence of this that I am aware of. (bobrobertsonline.co.uk)

Using basic variables that simulate tectonic subsidence, sea level, and sediment input, scientists can observe patterns, like the migration of shorelines, the infill of deltas, and the morphology, or changing patterns, of stream channels. (utexas.edu)

One major project is the Delaware River Watershed Initiative, which aims to protect our drinking water. (drexel.edu)

But small rivers & streams are an exception if they form a border of e.g. an administrative area or property boundary. (openstreetmap.org)
On average, 1.02 kg ash‐free dry mass ( AFDM ) per day of TOM was transported by small forested streams during fall leaf abscission to the rocky intertidal zone in small pocket bays. (osti.gov)
[ 2 ] Black flies breed along waterways, which can vary from small streams to broad rivers. (medscape.com)

River Research and Applications, 38, 1061-1079. (concordia.ca)
I think the Jackson School is one of only a few schools that can support such huge experiments," says Kim, an assistant professor and a research fellow with the university's Institute of Geophysics. (utexas.edu)
New research published in the journal Biogeochemistry focuses on how mid-sized river nutrient cycling works. (ufl.edu)
Tarun: Can you tell us about the research you and your team uncovered relating to the deaths of the coho salmon population in Puget Sound's urban streams? (envirotech-online.com)

We injected two dyes: One, a bright green color, is non-reactive and tells us something about how water flows through the stream, as in how much goes straight down the main channel versus how much lingers in slow flowing areas, like pools. (drexel.edu)
Above Sheffield the Don is and has always been a trout river but when we reach Sheffield it flows through the remains of a once thriving industrial landscape. (bobrobertsonline.co.uk)
The lower river is perhaps the least likely barbel river you will find, averaging 30 yards wide and 15 feet deep it flows lazily. (bobrobertsonline.co.uk)
In some places it flows parallel to parts of the broad South Yorkshire canal network, in others the river and the South Yorkshire Navigation are one and the same. (bobrobertsonline.co.uk)

Face test showed the airflow patterns to be more complex than just head-to-tail flow in the main ventilation air stream on the active panel. (cdc.gov)

A candidate is the superlight axion that SDU physicist Manuel Meyer and his colleagues now hope to capture in an underground experiment. (sdu.dk)

The team measured nutrient uptake and metabolic activity (gross primary production and respiration) in the water column and at the whole-river scale. (ufl.edu)

Second, they knew that farmers were both tapping the mountain streams for agriculture and for their domestic use, including washing in the rivers. (ecosystemmarketplace.com)
After a pause they began again, rough grunts floating through our mountain eyrie, high above the Pacuare River. (travelingboy.com)

The results tell us that non-wadable rivers are a biogeochemical transition zone," Reisinger said. (ufl.edu)

By combining the two tracers, we gain a better understanding about what areas and flow paths within the stream are more or less metabolically active. (drexel.edu)
However, locating these cool-water areas in smaller rivers-especially in urbanized areas-can be near impossible. (midwestoutdoors.com)

Wildlife thrives in Costa Rica, in forests, backyard gardens and especially near eco-lodges, most of which are in remote parks, along rivers and in coastal jungles. (travelingboy.com)

Any bait pellets containing 1080 that fall into a stream, river or lake are rapidly diluted to harmless levels and almost always undetectable in a waterway after 24 hours. (doc.govt.nz)
Is it more like a big stream or a flowing lake? (ufl.edu)
We were particularly interested in figuring out if nutrient cycling in these mid-sized rivers was more like a stream or a lake. (ufl.edu)
It may have reached the upper part of the Colorado River either by moving upstream from Lake Mead or by being introduced separately in that region (Holden and Stalnaker 1975). (usgs.gov)

Quantifying contamination of streams by 1080 baits, and their fate in water. (doc.govt.nz)

After a brief presentation, students participate in a series of exciting experiments and challenges. (grca.on.ca)
You really do feel alive photographing from a stream and often the challenges it presents are well worth overcoming as the visual rewards can be fabulous. (gaunbeshi.com)

Often the best compositional leading lines and action is from within the river, there's no getting away from the fact you will want to get in at some point. (gaunbeshi.com)

In Activity 1 of this lesson, students design an experiment to test the effect of fertilizer on algae growth. (agclassroom.org)
Experiments are an exciting way for students to gain hands-on experience and get creative with science. (ownthegreen.com)
Alternative energy experiments are great ways to get students thinking critically about how we can reduce our dependence on fossil fuels. (ownthegreen.com)
The second day was spent at river Djupedalsbäcken where the students practiced electrofishing, which resulted in that all students on the course became certified electrofishers. (nrrv.se)

Remember that if this is your first attempt at night photography by moonlight, you will largely spend your time experimenting. (moonconnection.com)
State and federal agencies across the U.S. West spend millions of dollars every year restoring incised streams. (oregonstate.edu)

The River Don doesn't exactly leap to mind when folk start talking about 'great' barbel rivers or even Yorkshire barbel rivers, but it has a great deal more potential than you might imagine. (bobrobertsonline.co.uk)

Seasonal muskie locations in rivers and streams can change drastically due to seasonal reasons, but they can also occur across much shorter time spans such as periods of flood or biological or other natural causes. (midwestoutdoors.com)
There are many reasons for shooting rivers and streams in landscape photography and there's a lot involved so here's part one (probably). (gaunbeshi.com)

Does the Licensee certify that at least 50% of the Core Programming counted toward meeting the additional programming guideline (applied to free video programming aired on other than the main Yes No program stream) did not consist of program episodes that had already aired within the previous seven days either on the station's main program stream or on another of the station's free digital program streams? (fcc.gov)

A lot of joy can be found being immersed in a shot from within a river. (gaunbeshi.com)
It has been found that polycultures did not experience a reduction in disease risk compared to monocultures or differ in production efficiencies throughout the course of the 43-day experiment. (bvsalud.org)

I'm very excited about what we can learn from these experiments," Kim says. (utexas.edu)

By engaging with these topics through hands-on experiments, middle schoolers not only gain knowledge but also become more aware of their individual roles in helping protect the environment. (ownthegreen.com)

It's off the grid, on the Pacuare River, in the middle of the forest, best reached from the river. (travelingboy.com)

Creating compost is an important part of this experiment as it helps reduce the amount of garbage in landfills while also providing essential organic matter to enrich soil quality. (ownthegreen.com)
While the role of animals in the emergence of clinical- imipenem-resistant, gram-negative rods from 7 of 16 U.S. ly important, antimicrobial-resistant strains has been rivers sampled from 1999 to 2001. (cdc.gov)

Through stocking efforts and extensive migrations from our region's network of inter-connected streams, muskies have made their way into my local river and others. (midwestoutdoors.com)

Anatomy2

Organisms15

Diseases4

Chemicals and Drugs5

Analytical, Diagnostic and Therapeutic Techniques and Equipment1

Psychiatry and Psychology3

Phenomena and Processes17

Disciplines and Occupations4

Anthropology, Education, Sociology and Social Phenomena1

Technology, Industry, Agriculture4

Information Science1

Health Care24

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Laboratory7

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Populations4

Ecosystem5

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Impacts2

Freshwater2

Tributary3

Groundwater2

Biomass2

Downstream2

Midwestern2

Replicate1

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20221

Tributaries2

Study7

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Tracer2

Carbon3

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Fish8

Field6

Benthic2

Decomposition1

Processes3

Reaches1

Migration1

Drinking water1

Small3

Research4

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Patterns1

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Primary1

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Results1

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