Docstoc

2511-Soil Conservation and Water Shed Management_VUsolutions.com

Document Sample
2511-Soil Conservation and Water Shed Management_VUsolutions.com Powered By Docstoc
					      ALLAMA IQBAL OPEN UNIVERSITY, ISLAMABAD
                       (Department of Agricultural Sciences)

                                     WARNING
 1.   PLAGIARISM OR HIRING OF GHOST WRITER(S) FOR SOLVING
      THE ASSIGNMENT(S) WILL DEBAR THE STUDENT FROM AWARD
      OF DEGREE/CERTIFICATE, IF FOUND AT ANY STAGE.
 2.   SUBMITTING ASSIGNMENTS BORROWED OR STOLEN FROM
      OTHER(S) AS ONE’S OWN WILL BE PENALIZED AS DEFINED IN
      “AIOU PLAGIARISM POLICY”.
Course: Soil Conservation and Water Shed Management (2511) Semester: Autumn, 2011
Level: M.Sc. Forestry Extension                                 Total Marks: 100
                                                                  Pass Marks: 40

                              ASSIGNMENT No. 1
                                      (Units 1– 5)

Note: All questions are compulsory and carry equal marks.
Q. 1 Graphically represent the hydrogen cycle. How would you analyze the intensity,
     duration and frequency of rainfall?                                      (20)

Q. 2 Discuss any three major types of water erosion. Also recommend some common
     erosion control practices.                                             (20)

Q. 3 What do you know about wind erosion? Discuss also the three principle methods of
     reducing surface wind velocity.                                             (20)

Q. 4 What is the main function of designing terraces? Discuss the basic steps need to be
     considered in planning and constructing terrace system.                        (20)

Q. 5 Discuss the process of rain splash erosion. Graphically represent the stages in
     surface development of gullies on hillside.                                (20)

                              ASSIGNMENT No. 2
                                       (Units 6–9)
Total Marks: 100                                                         Pass Marks: 40

Note: All questions are compulsory and carry equal marks.
Q. 1 Differentiae between erosivity and erodibility. Also determine the effect of rainfall
     intensity in influencing soil erosion.                                          (20)
Q. 2 Discuss the sequence of planning soil conservation strategies for cultivated and
     pasture lands.                                                                (20)
Q. 3 Define the term “watershed”. Briefly discuss the major biological impacts of water
     shed on stream and forest management.                                         (20)

Q. 4 What are the basic components of stream’s unique makeup?                      (20)

Q. 5 What important precautions need to be followed in tree planting? Discuss also the
     primary function of using wind breaks and shelter belts.                     (20)




                                          2

				
DOCUMENT INFO
Description: AIOU Autumn 2011 Semester Download Assignments of Postgraduate to PhD Level,