quora
Nobody downloaded yet

Stream - Lab Report Example

Comments (0) Cite this document
Summary
Stream paper 1.0 INTRODUCTION 1.1 Background information Streams and rivers have been under extreme pressure from anthropogenic sources which have consequently affected the river or stream quality and thus terminologies such as ecological integrity, stream condition and river health have been coined to describe the status of river ecosystems in response to human activities (Allan, 2004)…
Download full paperFile format: .doc, available for editing
GRAB THE BEST PAPER92.1% of users find it useful
Stream Lab Report
Read TextPreview

Extract of sample
"Stream"

Download file to see previous pages Functional characteristics on the other hand measures the services or functions provided by the water ecosystem and are measured by the rate of primary productivity and organic matter decomposition. Structural characteristics of a stream are mainly used in the day to day monitoring of stream health. The biotic factors used mainly include macroinvertebrate diversity. Analyses of macro invertebrates in water is important because they are a link to the aquatic food chain, have diverse sensitivity to pollution and is a relatively cheap method for analysis of the stream quality. Additionally, the macroinvertebrate diversity provides useful information on the long term quality of the stream unlike water analysis which provides information for the sampling time only. These invertebrates have differences in their susceptibility to pollutants in water with some being highly susceptible to pollution while others are moderately susceptible with others being tolerant to different levels of pollution. Those organisms which are highly susceptible will not live in polluted waters while the most tolerant can survive. Therefore they measure the levels of pollution in the water and thus by extension the health state of the river. Functional characteristics of an ecosystem when integrated with the structural characteristics help in giving a complete picture of the health state of an ecosystem. This is due to the fact that the ecosystem can respond to human stressors differently including changes to the structure of the ecosystem without changes in functional parameters or changes in the ecosystem function without change in the structure while in some cases there could be both structural and functional changes. The functional characteristics of a water ecosystem can be measured by a number of indicators including the rate of uptake of nutrients, benthic microbial respiration, nitrification, organic matter, invertebrate production and fish production. Abiotic factors are also important in the assessment of the functional characteristics of the water. The concentrations of dissolved oxygen, air and water temperature, conductivity, and the velocity of the water have been shown to affect the health status of a stream or river. This is because the interaction of these abiotic factors with the biotic factors in the water determines the survival and existence of the latter and also the rate of breakdown of organic substances such as leaves in water. The concentration of dissolved oxygen for example is used as a measure of the rate of metabolism in the water ecosystem with water temperature increasing the rate of decomposition. Additionally the increased demands for water for human use have also led to increased abstraction rates of water. This reduction in the water flow due to abstraction has possible impacts on the stream ecosystems (Deswon et al. 2007). 1.2 Main Objective To determine the health states of Molly Ann Brook, Ramapo River and Bear swamp Brook 1.2.1 Specific objectives 1. To determine the structural and functional characteristics of Molly Ann Brook, Ramapo River and Bear Swamp Brook. 2. To determine and compare the health states the Ramapo River upstream and downstream 3. To compare the health state of the Bear Swamp Brook relative to Ramapo River 2.0 STUDY AREA 2.1 Molly Ann Brook The Molly Ann Brook is a tributary of the Passaic River. ...Download file to see next pagesRead More
Cite this document
  • APA
  • MLA
  • CHICAGO
(“Stream Lab Report Example | Topics and Well Written Essays - 1000 words”, n.d.)
Retrieved de https://studentshare.org/biology/1450136-stream-paper
(Stream Lab Report Example | Topics and Well Written Essays - 1000 Words)
https://studentshare.org/biology/1450136-stream-paper.
“Stream Lab Report Example | Topics and Well Written Essays - 1000 Words”, n.d. https://studentshare.org/biology/1450136-stream-paper.
  • Cited: 0 times
Comments (0)
Click to create a comment or rate a document
CHECK THESE SAMPLES - THEY ALSO FIT YOUR TOPIC
Lab report
The main aim of the experimental design was to assess and understand the different types of instruments used, for instance, the orifice meter, Rotameter, and positive displacement meter. The
3 Pages(750 words)Lab Report
Lab Report
From this mode, the shortest side of the triangle was represented by the distance between thumb nails (D), while the longest distance represented the distance from the ruler
2 Pages(500 words)Lab Report
Lab report
o calibrate the pressure transducer and then perform an uncertainty analysis and compare your pressure transducer calibration to the manufacturer’s calibration. 1. Excite the pressure transducer, with a voltage of 10v. The figure above had J17 and J18 as AO (Analog Out). It
5 Pages(1250 words)Lab Report
Lab report
For this experiment a cuvette, calorimeter, and a color of your choice for the dye solution, A.To begin the experiment, clean the cuvette. Wash out the cuvette three times with water, and then three times with solution. Once
3 Pages(750 words)Lab Report
Lab report
For the first cycle, the mass of the water alone is the mass of the crucible lid and hydrate, less the mass of the crucible lid and residue after heating. That gives 22.678 – 22.460 = 0.218. The mass of the hydrated salt is the mass of the crucible lid and hydrated salt, less
1 Pages(250 words)Lab Report
Lab Report
Since 19th century scientists were aware of some unique identity of an individual which distinguish from others, like finger prints. In 1970, DNA was established as key element in human life and which makes individual as unique creature. Variability in DNA sequences among individual to individual have attracted forensic experts to develop technique based on DNA to identify individual or criminal similar to finger prints.
9 Pages(2250 words)Lab Report
Lab report
Then place another clamp with a 200-g suspension and repeat the same previous step. Record positions with respect to the points of support and of the weights used. Empty the meter stick of clamps and
3 Pages(750 words)Lab Report
Lab report
Another related objective was to apply equations for basic projectile motion in determining how high a rocket can fly. Since launching the model rocket, this is considered a projectile motion influenced by height of launch pad,
3 Pages(750 words)Lab Report
Lab Report
Calcium phosphate has greater healthy benefits. Most of the people suffering from tooth decay opt for homemade procedural toothpaste using calcium
1 Pages(250 words)Lab Report
Lab Report
1. E. coli is in competition with S. euglensis at a temperature of 20-35 degrees and a pH of 6-7.5. E. coli is also in competition with N. atol at a temperature of 20-30 degrees and a pH of 4.5 -6.5. P.
1 Pages(250 words)Lab Report
sponsored ads
We use cookies to create the best experience for you. Keep on browsing if you are OK with that, or find out how to manage cookies.
Let us find you another Lab Report on topic Stream Lab Report for FREE!
logo footer
Contact us:
+16312120006
Contact Us Now
FREE Mobile Apps:
  • StudentShare App Store
  • StudentShare Google play
  • About StudentShare
  • Testimonials
  • FAQ
  • Blog
  • Free Essays
  • New Essays
  • Essays
  • Miscellaneous
  • The Newest Essay Topics
  • Index samples by all dates
Join us:
Contact Us