Urban Ecosystems Workbook Provides Evidence

Urban Ecosystems Workbook
BTEC First Applied Science

If completed this Provides Evidence for P2, P3, M2, M3 and D2

Name:
Teresa Greer • Teresa.Greer@Haringey6.ac.uk • Haringey Sixth Form Centre
1

Ecosystem and Human Impact

what organisms will you find and how are they affected by man?

Describe the Ecosystem Investigated and Look at Mans Impact

The ecosystem we are investigating is a large one and made up of a number of
habitats. We are going to look at the following areas:

1. Tottenham Marshes - an Urban Green Space

2. Tottenham Cemetery - Urban Green space and cemetery

3. Area behind Tottenham High road - Urban Wasteland

4. Lordship Woods - a Wooded area

Your first task is to draw a plan or
map of each area we are looking at.
Each plan should fill the box on the
relevant sheets. Make sure your plan
is labelled with anything worthy of
note.

example area plan


Tottenham
Marshes


Tottenham
Cemetery


Urban Wasteland


Wooded Area


Are organisms picky about where they live?

We are going to look at what organisms live where. We will use the same sam-
pling techniques as when we looked at flowering and non flowering plants at the
wildlife pond. In each area we will do six quadrats making sure to note what
plants and animals we find and how many of each. You should fill in the results
on tables like this:

Results Example: Investigation of wildlife pond
(P2)

Quadrat number Plants Animals

1 20% Grass 5 woodlice

70% moss 12 ants

10% Nettle 3 centipedes

2 80% moss 2 woodlice

20% grass

3 100% grass 3 centipedes

4 90% grass 4 woodlice

10% Nettles 3 false scorpions

5 100% Grass 2 woodlice

6 70% grass 5 woodlice

30% moss 2 centipedes


Tottenham Marshes


1

2

3

4

5

6


Tottenham Cemetery


1

2

3

4

5

6


Wasteland


1

2

3

4

5

6


Wooded Area


1

2

3

4

5

6


Adaptations

Some organisms are adapted specially for the habitat you find them in. A polar
bear has clear white looking fur to absorb the maximum sunlight possible in cold
climates, fish have gills that allow them to obtain enough oxygen underwater.
How are Tottenhams organisms especially adapted for their habitat? Choose one
of the organisms you found in your investigation and draw it below. Label
around it the specific adaptations that make it suited to where you found it.


Relationships of Organisms

who eats who?

We have looked recently at food chains, food webs, pyramids of number and
pyramids of biomass. Your next task is to create one of each out of the data we
have gathered.

Food Chain

Using the data you collected from one of the quadrats from any site draw a sim-
ple food chain, showing where the energy originates from, with arrows in the
correct direction and the following labels: Producer, Consumer, Direction of en-
ergy transfer


Food web

Using all of the data you have collected from one area create a food web show-
ing the relationship between the organisms in that area.


Pyramids of number and Pyramids of Biomass
Using the data you have collected from one area give a rough representation of
the amounts of organisms and the mass of them in a pyramid of number and a
pyramid of biomass. Make sure to write the correct title for each one.


Mans Impact on the Environment

How big an impact does man have on his environment?

We are going to use two methods for measuring mans impact on the environ-
ment around tottenham.

1. Indicator Species

2.Pollution levels

Indicator species

Lichen is a commonly used indicator species in looking at air quality. Quite sim-
ply the more of it you see - the better the quality of air there is. If you see very
little lichen then the air quality is very poor. You can use the Lichen identiﬁcation
key to look for and name particular species of lichen. Use the following pages to
record what species and how much is at each area. State whether this indicates
good or poor air quality.

Pollution levels

Pollution leaves its marks on walls and trees and buildings for all to see. To look
at the pollution levels you need to take approximately 2cm of stick tape and
place the sticky side against the bark of a tree. Leave it for 10 seconds then at-
tach it to your sheet. Repeat this three times for each tree and state what per-
centage of the tape is covered by sooty pollution particles.


Tottenham Marshes
POLLUTION PARTICLES

1 2 3

Percentage of pollution particles:

LICHEN


Tottenham Cemetery
POLLUTION PARTICLES

1 2 3


LICHEN


Wasteland
POLLUTION PARTICLES

1 2 3


LICHEN


Woodland
POLLUTION PARTICLES

1 2 3


LICHEN


Long Term Investigation

How do you measure environmental impact over time?

This is work you should attempt over half term but only if you have completed
all of the previous assignments

Plan an investigation

For this task you need to plan an investigation that will be a long term investiga-
tion into mans impact on the environment in the Tottenham area. How long will
you carry out your investigation? How frequently? What information will you
gather? Use your practical report template to help you.You need to produce

1.Title - what will you call your investigation?

2. Introduction - background information

3. Hypothesis - What would you expect to see?

4. Method - how will you do it?

5. Apparatus - what equipment will you need?


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