Inspiring Learning Biology KS3
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What are lichens? Can you name some of the species of trees in the park? How do lichens
tell us about air pollution?
Trees
You need to survey four trees, when you have found your four trees measure the girth and record it in the
table with the species of your trees?
Tree
Species
Girth (cm)
1
2
3
4
Recording indicator lichens on the tree trunk
Amount of each indicator lichen on the trunk of each tree (0,1,2 or 3)
Tree 1
Tree 2
Tree 3
Tree 4
Nitrogen-sensitive
1. Usnea
2. Evernia
3. Hypogymnia
Intermediate
4. Melanelxia
5. Flavoparmelia
6. Parmelia
Nitrogen-loving
7. Leafy
Xanthoria
8. Cushion
Xanthoria
9. Physcia
How many other
types of lichen?
Types of algae
□ Green
□ Orange
□ None
□ Green
□ Orange
□ None
□ Green
□ Orange
□ None
□ Green
□ Orange
□ None
Inspiring Learning Biology KS3
Did you see any of these insects of small animals on your trees? Record which insects and animals you
have seen in the table below.
Tree 1
Number of each insect or animal seen
Tree 2
Tree 3
Spiders
Mites
Harvestmen
Beetles /
ladybirds
Moths
Snails / slugs
Shieldbugs
Others
(specify below)
Tree 1
Tree 4
Tree 4
Tree 2
Tree 4
Recording indicator lichens on the tree twigs
Amount of each indicator lichen on the trunk of each tree (just tick if it is present)
Tree 1
Tree 2
Tree 3
Tree 4
Nitrogen-sensitive
1. Usnea
2. Evernia
3. Hypogymnia
Intermediate
4. Melanelxia
5. Flavoparmelia
6. Parmelia
Nitrogen-loving
7. Leafy
Xanthoria
8. Cushion
Xanthoria
9. Physcia
How many other
types of lichen?
Types of algae
□ Green
□ Orange
□ None
□ Green
□ Orange
□ None
□ Green
□ Orange
□ None
□ Green
□ Orange
□ None