Lab on Species Diversity Sample Essay

Purpose: To find how moisture content of sand influences the distribution of zoology along a flaxen beach. Material: 100m transect. 1m ten 1m quadrat. shovel. 30cm swayer. 40cm x40cm screen. digital investigation. sweep net Procedure:

1. The country was selected for the 100m transect to be laid.
2. The transect was carefully placed guaranting that the terminal of the transect was in the damp portion of sand. 3. The quadrat was placed along the transect on either sides. 4. The country which the quadrat covered was marked off utilizing a rock. 5. The quadrat was so removed.

We will write a custom essay sample on
Lab on Species Diversity Sample Essay
or any similar topic only for you
Order now

6. A investigation which measured wet content was so inserted within the quadrat at 3 different topographic points. 7. The 3 readings obtained were recorded and the norms were calculated. 8. The country within the quadrat was so dug to a deepness of 10cm 9. The sand which was dug out was so sifted utilizing a screen. 10. The figure of chip-chip found during the sifting procedure were counted and recorded in the consequences table below along with the norms found in portion ( 7 ) .

The more into the breaker zone. the higher the wet content. The lowest wet content recorded was in the dry backshore sand. There was besides a higher distribution of chip-chip. sea cockroach and sand dollars in the moist parts of the sand while there were the least zoology in the wet deficient sand. Areas of small wet lacked species diverseness as compared to the countries that were damp. There was a water-logged piece of land which we had to walk through earlier geting the flaxen beach seashore.

Moisture content on dry footing is the sum of H2O per unit mass of dry solids in the sample. Conversely. the wet-basis wet content expresses the ratio of wet mass to the entire mass of the substance. A clear zonation of species diverseness was noticed entirely the flaxen beach seashore. Ants we merely seen in the dry sand since that is the lone type of sand they can last in. Sea cockroaches were merely found in the moisture sand since these species need loose sand. However. chip-chips demands wet sand because it helps them to travel and feed. They besides need H2O in order to help endurance else their organic structures would go dried-out because their organic structures are made up of largely H2O. A batch more chip-chips were found in the submersed sand as compared to the dry sand.

From the tabular array above. site 3 had a wet content of 2. 8 units and site 4 had a wet content of 4 units. The high wet content of site 4 is one of the ground as to why 150 chip-chips were found at that site ( refer to postpone 1. ) The backshore is seldom moistened and hence can non prolong the life demands or they would transcend the fauna’s tolerance ranges therefore the unequal zoology distribution. The emmets can non populate in really damp sand as they would submerge due to the wet contents. Their nests would besides be washed off due to the moving ridge action that occurs on the coastline which moistens the sand. Chip-chip and sea-cockroaches would be extremely distributed in moistened countries and emmets would be in countries with low wet content Decision:

The wet content of the dirt attracts different species of zoologies due to assorted grounds like tolerance scopes for illustration. Moist sand has a higher fauna distribution as contrasted with dry sand which has low wet content. The higher the wet content the larger the figure of zoologies such as chip-chip would be found because they are filter provenders and trust on wet and H2O to filtrate their nutrient.


Hi there, would you like to get such a paper? How about receiving a customized one? Check it out