Spiders Biodiversity
1. First make a hypothesis about the biodiversity of spiders in the Habitats A and B.
-Habitat A will be more diverse because it has more niches, or different plants where spiders can climb
- Next you have to sample the different habitats
-Find the sheet of paper with the squares cut out on of it. The three square holes are the three random " quadrant" samples you will take in each habitat
-place each of the quadrant sheets on the habitats and count the number of spiders inside the squares
-Count and record (below) the number of spiders you find in each square **Only count spiders tat you can see at least FIVE of their legs
-Then sample "Habitat B" with the same quadrants
-Habitat A will be more diverse because it has more niches, or different plants where spiders can climb
- Next you have to sample the different habitats
-Find the sheet of paper with the squares cut out on of it. The three square holes are the three random " quadrant" samples you will take in each habitat
-place each of the quadrant sheets on the habitats and count the number of spiders inside the squares
-Count and record (below) the number of spiders you find in each square **Only count spiders tat you can see at least FIVE of their legs
-Then sample "Habitat B" with the same quadrants
2. How many species of spiders did you find in....
Habitat : 4 Habitat B: 2
3. What was the AVERAGE number of spiders you found per quadrant?
Habitat A: 6.67 =7 Habitat B: 8.33= 8
4. Twelve quadrants can fit in this area. How many spiders do you estimate are found in the whole area?
Habitat A: 28 Habitat B: 32
5. Look at the bottom sheet of paper with the spiders on it. How many spiders are there in.......
Habitat A: 22 Habitat B: 20
6. Was your estimate close to the actual number of spiders in the area?
No our estimate was not close
7. Why might their be a difference between your sample estimate and the actual number?
Their might be a difference due to the number of spiders that showed in the quadrant
-Sometimes we want to compare not only how many different species or total number of spiders there are in an area, but also the relative abundance of the species.
Habitat : 4 Habitat B: 2
3. What was the AVERAGE number of spiders you found per quadrant?
Habitat A: 6.67 =7 Habitat B: 8.33= 8
4. Twelve quadrants can fit in this area. How many spiders do you estimate are found in the whole area?
Habitat A: 28 Habitat B: 32
5. Look at the bottom sheet of paper with the spiders on it. How many spiders are there in.......
Habitat A: 22 Habitat B: 20
6. Was your estimate close to the actual number of spiders in the area?
No our estimate was not close
7. Why might their be a difference between your sample estimate and the actual number?
Their might be a difference due to the number of spiders that showed in the quadrant
-Sometimes we want to compare not only how many different species or total number of spiders there are in an area, but also the relative abundance of the species.
8. Based on the proportions you just calculated (Table 4), do you think the species are evenly distributed within the habitats?
Habitat A: yes Habitat B: No
9. Is this what you think it would be like in nature? Why?
Yes, mostly because of keystone species and the decline of animals.
10. Was your original hypothesis supported by the data you collected today? why or why not?
-Yes my hypothesis was correct because the spiders were equally distributed around.
11. What did you learn about doing a biodiversity quadrant study?
-I learned that the larger diversity in plants species helps the biodiversity of animals increase.
Habitat A: yes Habitat B: No
9. Is this what you think it would be like in nature? Why?
Yes, mostly because of keystone species and the decline of animals.
10. Was your original hypothesis supported by the data you collected today? why or why not?
-Yes my hypothesis was correct because the spiders were equally distributed around.
11. What did you learn about doing a biodiversity quadrant study?
-I learned that the larger diversity in plants species helps the biodiversity of animals increase.