Essays Tagged: "Salinity"

Oceanography

nvinced many that a method of study was needed. The study of oceans was named oceanography.Density, salinity, and temperature are very important concepts in the study of oceanography. The salinity and ... he formation of currents and the positions of water masses in the sea. In addition, temperature and salinity play major roles in influencing the distribution of plants and animals.The sediments of the ...

(12 pages) 186 0 4.3 Dec/1996

Subjects: Science Essays > Earth Sciences > Oceanography

This biology experiment was conducted in order to see if the change in environmental factors had any effect on enzyme activity.

ion does not take place. Enzymes are affected by environmental factors such as temperature, pH, and salinity, each dependent on their individual makeup. I will be testing the affect of varying tempera ...

(3 pages) 134 0 4.5 Dec/2002

Subjects: Science Essays > Biology

The Water Cycle (also known as the hydrologic cycle) and ground water salinity.

GROUNDWATER SALINITY&THE WATER CYCLEThe Water Cycle (also known as the hydrologic cycle) is the journey wate ... thstand periods of drought.Human interference has affected the quality of groundwater by increasing salinity even to the extent that plants and other living organisms have died in certain areas. The c ... ing organisms have died in certain areas. The clearing of trees is the major cause of the increased salinity in the groundwater. Without the deep rooted trees too much water will enter the water table ...

(5 pages) 132 0 4.5 May/2003

Subjects: Science Essays > Biology

The effect of salinity on corn yield using the CERES-maize model.

The effect of salinity on corn yield using the CERES-maize modelA man named Beltrao published this paper in the Ir ... al. He continued with the idea that when calculating the amount of water available in the soil, the salinity of the soil also needs to be considered. He used the CERES-maize model for his experiment. ... The CERES-maize model is a model used to predict the corn yields while relating them to the soil's salinity.He used many calculations that are above and beyond my abilities of comprehension. But, the ...

(1 pages) 24 1 3.0 Jan/2004

Subjects: Science Essays

Springtree Lake: A Study in Limnology

five parameters that were measured included air and water temperatures, turbidity or water clarity, salinity, pH, and dissolved oxygen. The results of this research and testing indicated that these pa ... ation; measurements of depth; shape of the freshwater source; seasonal stratification; temperature; salinity; turbidity and light relationships; amounts of inorganic substances like dissolved oxygen, ...

(43 pages) 95 0 3.0 Feb/2004

Subjects: Science Essays > Biology

Review of Literature Conductivity Research Report

ysical, chemical, and biological processes that determine soil quality and environmental stability".Salinity is a measure of the amount of salts in the water. Because dissolved ions increase salinity ... , carbonate and sulfate. All of this is taken from Conductivity, most recently January third, 2003. Salinity can be measured using a hydrometer or a refractometer. The hydrometer measures specific gra ...

(6 pages) 59 0 5.0 Apr/2004

Subjects: Science Essays > Earth Sciences > Geology & Geosciences

Salton See - Living or dying

alley's wild desert. Salton Sea is beautiful but it's in a serious trouble. It's surface elevation, salinity and organic content is too high. Millions of fish and hundreds of thousands of birds have b ... agazines.Most of the scholars agree that a major problem at the Salton Sea is constantly increasing salinity. Annual inflow to the Salton Sea is 1.3 million acres feet of water with an annual salt loa ...

(10 pages) 59 0 4.7 Apr/2004

Subjects: Science Essays > Environmental Science

You are required to write up a report to present and evaluate the data collected on the excursion to long reef rock platform

tidal rock-shelf organisms.Apparatus:RefractometerQuadratUniversal indicatorDichotomous key foldersSalinity meterSample bottlesHand lensbucketMethods:A) Abiotic factors1) To measure the PH value of w ... results.3) For salt concentration collect two samples of water from the sea and rock pool. Use the salinity meter to measure the salt content of your water.B) Distribution and Abundance1) form groups ...

(3 pages) 49 1 3.0 Aug/2004

Subjects: Science Essays > Biology

Lab

of salt as is found in these locales. They thrive in extreme environmental conditions such as high salinity and temperature where predators cannot survive. Since few organisms can grow at such high c ... the appearance of males is attributed to a factor, such as a decline in temperature or increase in salinity. Sexual reproduction produces different eggs, which fall to the lake bottom and can tolerat ...

(8 pages) 30 0 0.0 May/2006

Subjects: Science Essays > Biology

It is a laboratory essay on an experiment we did over enzymes and the effects of the parameters on enzymes.

mum level where the enzyme activity was at its peak (neutral ph 7, high substrate concentration, 3% salinity rate, and 11 degrees Celsius) INTRO The research conducted was preformed to determine the e ... to .56, .06 to 1.03, .07 to 1.3 and .17 to .89 respectively. This shows that the optimum was the 3% salinity (figure **********). At first the absorbance was somewhat low then became high at 1% remain ...

(6 pages) 93 0 4.8 Apr/2007

Subjects: Science Essays > Biology

Dryland Salinity

Dry-land salinity is a huge environmental problem. It is important to distinguish between Dry land salinity a ... environmental problem. It is important to distinguish between Dry land salinity and irrigated land salinity. In this case the affected area is due to rain and not farmers irrigating crops. Dry land s ... urface the water would evaporate and deposit the salt there. The volumes of water and salt are vast.Salinity can also do damage downstream. Aquatic ecosystems, bio diversity and urban infrastructure a ...

(3 pages) 408 0 0.0 Oct/2001

Subjects: Businesss Research Papers

The Hatchet

ed of Ammonia PPM , Nitrite PPM, Nitrate PPM, Dissolved Oxygen PPM, temperature degrees Fahrenheit, Salinity %, and PH. After completing these tests we would maintain healthy water by doing a partial ... me went on. As for dissolved oxygen it to started off high, and as time went on decreased. Finally, Salinity remained consistent, with 1.006% at the first test on August 20, and 1.006% on the last tes ...

(2 pages) 410 0 0.0 Aug/2001

Subjects: Science Essays > Biology

Disney

me went on. As for dissolved oxygen it to started off high, and as time went on decreased. Finally, Salinity remained consistent, with 1.006% at the first test on August 20, and 1.006% on the last tes ...

(1 pages) 332 0 0.0 Aug/2001

Subjects: Science Essays > Biology

Enzymes

enzyme. The substrate and the enzyme fit together at the active site, which provides perfect pH and salinity, as in a lock-and-key fashion. Then the chemical bond holding the substrate together is wea ... when the biochemical task is done.Some factors that affect the enzyme include temperature, pH, and salinity. If the temperature is less than the standard temperature, the reaction is slowed. If the t ...

(2 pages) 11 0 0.0 Feb/2008

Subjects: Science Essays > Biology

Salinity: The effects it has on plants and Australian agriculture.

ater-soluble salts"2. The existence of these salts in the soil, as well as water, is referred to as salinity. Despite the fact these salts are a necessity for plant survival; an excess amount will imp ... mount will impair plant growth2. The severity of this impairment is dependent on two variables; the salinity concentration as well as the plant's tolerance towards salt. The soil's salinity concentrat ...

(4 pages) 1601 0 0.0 Jun/2009

Subjects: Science Essays > Biology > Plant Biology

Dryland Salinity in Australia

Dryland salinity is an environmental disaster that affects many millions of hectares of farmland in Australi ... rren, lifeless earth. It has had a disastrous impact on the way of life for millions of Australians.Salinity was first recognised as a problem as early as 1864 in Western Australia. The factors respon ... recognised as a problem as early as 1864 in Western Australia. The factors responsible for dryland salinity were indentified in 1897. Many papers were subsequently published in the early 20th century ...

(2 pages) 8 0 0.0 Jul/2009

Subjects: Science Essays > Environmental Science