TO STUDY HOW POPULATION SIZE OF SPECIES MIMOSA PUDICA AND IMPERATA CYLINDRICA CAN BE DETERMINED IN YOUR SCHOOL FIELD

Problem statement What is the population size of mimosa pudica and imperata cylindrica in the school field? Hypothesis The population size of species mimosa pudica plant is higher than species imeprata cylindrica in the school field Variables MV : type of plant RV : population size CV : quadrat size Materials and apparatus Plant species Mimosa Pudica and imperata cylindrica ,plastic quadrat,marker pen,A4 paper,graph paper Procedure

1. School field was chosen as the field study 2. Quadrats size 1mx1m was used 3. Two plants species mimosa pudica and imperata cylindrica was identified 4. The quadrats were thrown at random in the school field 5. The area of coverage each plant species were counted 6. If more than half of the squares in the quadrat are covered ,the area of plant species will be

counted.the area is not counted if only less than half is covered 7. Steps 5 to 7 was repeated for nine quadrats 8. The area covered by plant species studied in each quadrat were recorded and tabulated in

a table 9. The percentage coverage of plant species were calculated by using this formula :

percentage of coverage = total are covered plant species In all quadrats X 100 Total number of quadrants x area of quadrat

Presentation of data

Plant species

Number of plant species in the quadrat Total number of plant species(m

2)

Percentage coverage area (%)

1 2 3 4 5 6 7 8 9 10