Field Study Protocol

Welcome to the Field Study Protocol page!! We're glad that you
are interested in joining the World Wide Biome Project. The data
that you collect, when posted with those from other biomes, will
help people from all over the world learn about the diversity of
our biosphere.
There are a variety of habitats within your biome that you may
choose to study. Forests, meadows old fields, marshes, swamps and
others all make excellent sites to study. In order to facilitate
data input and comparison, members of the Project need to end up
with data of comparable type. For this reason, regardless of your
study method, you need to end up with some, or all , of the
following data:
- a brief description of abiotic factors (soil, light,
wind, moisture).
- the 4 most important arthropod/mammal/bird(or fish)
species.
- the 4 most important tree/shrub/herb species.
You can see the exact data submission sheet if you go to the data entry page.
There are 2 different studies described below; a
junior grade forest study, and a senior grade forest study. Either
might be modified for a meadow study, and certainly the concepts of
transects, quadrats and random samples could be applied to most
field studies. Likewise, they might be adapted for younger or
older grades. If you would like help designing a study
for a your particular class, just
send me an e-mail and I will send you a grade appropriate study,
or work with you to design one to fit your class's ability.
It is assumed that teachers will take appropriate safety
considerations for studies in which ever area that they intend to
study.
Junior Grade Forest Ecology Study: Field Work
Equipment
- measuring tape
- flagging tape/ribbon
- field guides
- plastic bag and trowel
- white sheet/nets/jars/magnifying glass
Abiotic Factors
- Break your class into groups of 4. Each group will be
responsible for doing the field work that follows.
- Walk over the entire study area and become familiar with
the boundries of the area. Make a map of the area if you
do not have one already.
- Find a representative area of the forest. Each group
shoul plot a transect (straight line) to go through the
entire length of the site.
- Somewhere along the transect, randomly establish a spot
to place a quadrat (study area). Make a 10m by 10m square
quadrat for sampling tree species (trees with stem
diameters 10 cm or greater). Mark the corners with
flagging tape or ribbon. Within this make a 4m by 4m
square quadrat for shrubs and saplings (woody stems less
than 10cm in diameter). Within the large quadrat also
make a 3rd quadrat, 1m by 1m for sampling herbaceous
species (trillium/grass/mayflower) and for taking a soil
sample.
- Within the 1m by 1m quadrat take a 500 ml sample of soil
and seal it in a plastic bag (do not disturb any
vegetation). Estimate the amount of sun available to the
plants (full sun/moderate sun/little sun).
- Describe the topography and vegetation of the entire
area. Locate your site on a topographic map and record
its longitude and latitude.
Biotic Factors: Animals
- While in the forest keep track of all bird sightings,
calls or signs (woodpecker holes) and develop a list of
species and numbers of individuals in the entire area.
- Record sightings of all mammals, calls (squirrels) or
signs (vole tunnels in grass, shredded pine cones by red
squirrels etc.) and develop a list of species and numbers
of individuals for the entire area.
- Search the 10m by 10m quadrat for
centipede/millipede/arachnid/insects/worms etc. This can
be done by shaking vegetation over a white sheet, looking
under leaves, and inspecting logs, rocks and soil. Use
nets or jars, field guides and magnifying glasses for
identification. Keep a tally of all species found.
Biotic Factors: Plants
- Within the 10m by 10m quadrat identify every tree and
keep a tally of the number of each species.
- Within the 4m by 4m quadrat identify every shrub species
and sapling, and keep a tally of the number of each
species.
- Within the 1m by 1m quadrat identify each hebaceous
species and keep a tally of the number of each species.
If a species is too numerous to count (like grass!!) make
an estimate of how much of the quadrat it covered. (in
square metres).
Junior Grade Forest
Ecology Study: Class Work
Abiotic Factors
- Remove 100 g of soil from the sealed bag. Warm it gently
for 3 days to evaporate all moisture. Record its mass.
Heat it strongly in an oven to burn all organic matter
(twigs, roots, leaves). Record its mass. Determine the %
soil moisture and the % soil organic matter by the
following formulae:
-
- % soil moisture = ((start mass - dry mass)/start
mass) X 100
- % soil organic matter = ((dry mass - burned
mass)/start mass) X 100
- Average the results for the class.
Biotic Factors: Animals
- Place all group data from the class regarding bird
sightings together. Determine the 4 most commonly occurring bird species for the area. If birds were absent
due to noise, or the time of day or year, determine from
other resources what birds are most common in the area.
- Repeat the above step for mammal data.
- Repeat the above step for the invertebrates (insects etc)
data.
Biotic Factors: Plants
- Place all group data from the class regarding tree
species together. Determine the 4 most commonly occurring
tree species for the area.
- Repeat step 9 for the shrubs.
- Repeat step 9 for the herbaceous plants.

Senior Grade Forest Ecology Study: Field Work
Equipment
- measuring tape
- flagging tape/ribbon
- field guides
- plastic bag and trowel
- white sheet/nets/jars/magnifying glass
Abiotic Factors
- Break your class into groups of 4. Each group will be
responsible for doing the field work that follows. Thus,
a class of 32 students would end up with 8 transects (1
per group) and 8 nested quadrats (1 per group).
- Walk over the entire study area and become familiar with
the boundries of the area. Make a map of the area if you
do not have one already.
- Find a representative area of the forest. Plot a transect
(straight line) to go through the entire length of the
site.
- Somewhere along the transect, randomly establish a spot
to place a quadrat (study area). You may want to
"nest" the quadrats at this site. Make a 10m by
10m quadrat for sampling tree species (trees with stem
diameters 10 cm or greater). Mark the corners with
flagging tape or ribbon. Within this make a 4m by 4m
quadrat for shrubs and saplings (woody stems less than
10cm in diameter). Within the large quadrat also make a
3rd quadrat, 1m by 1m for sampling herbaceous species
(trillium/grass/mayflower) and for taking a soil sample.
- Within the 1m by 1m quadrat take a 500 ml sample of soil
and seal it in a plastic bag (do not disturb any
vegetation). Estimate the amount of sun available to the
plants (full sun/moderate sun/little sun).
- Describe the topography and vegetation of the entire
area. Locate your site on a topographic map and record
its longitude and latitude.
Biotic Factors: Animals
- While in the forest keep track of all bird sightings,
calls or signs (woodpecker holes) and develop a list of
species and numbers of individuals in the entire area.
- Record sightings of all mammals, calls (squirrels) or
signs (vole tunnels in grass, shredded pine cones by red
squirrels etc.) and develop a list of species and numbers
of individuals for the entire area.
- Search the 10m by 10m quadrat for arthropods
(centipede/millipede/arachnid/insects). This can be done
by shaking vegetation over a white sheet, looking under
leaves, and inspecting logs, rocks and soil. Use nets or
jars, field guides and magnifying glasses for
identification. Keep a tally of all species found.
Biotic Factors: Plants
- Within the 10m by 10m quadrat identify every tree and
keep a tally of the number of each species.
- Within the 4m by 4m quadrat identify every shrub species
and sapling, and keep a tally of the number of each
species.
- Within the 1m by 1m quadrat identify each hebaceous
species and keep a tally of the number of each species.
If a species is too numerous to count (like grass!!) make
an estimate of its total cover (in square metres).
Senior Grade Forest
Ecology Study: Lab Work
Abiotic Factors
- Remove 100 g of soil from the sealed bag. Warm it gently
for 3 days to evaporate all moisture. Record its mass. Heat
it strongly to burn all organic matter. Record its mass.
Determine the % soil moisture and the % soil organic
matter by the following formulae:
-
- % soil moisture = ((start mass - dry mass)/start
mass) X 100
- % soil organic matter = ((dry mass - burned
mass)/start mass) X 100
- Average the results for the class.
Biotic Factors: Animals
- Place all group data from the class regarding bird
sightings together. Determine the 4 most commonly occurring bird species for the area. If birds were absent
due to noise, or the time of day or year, determine from
other resources what birds are most common in the area.
- Repeat the above step for mammal data.
- Repeat the above step for the arthropod data.
Biotic Factors: Plants
- The most "important" tree species is the one
that is both frequent in occurance and dense in number.
To get numerically sound data copy field data from all 8
groups onto a chalk board. Use this class data from all
10 m by 10 m quadrats put together to determine the
following for each tree species:
-
- frequency = (# quadrats in which a species
occurs)/(total # quadrats) X 100
- density = (# trees of certain species)/(total #
quadrats)
- relative frequency = (freq of a particular
species)/(sum of freq of all species) X 100
- relative density = (density of a particular
species)/(sum of densities of all species) X 100
For example, from the following data:
| Field Study Data |
| Quadrat #1 |
Quadrat #2 |
| 12 sugar maples |
8 sugar maples |
| 5 white oak |
5 beech |
- freq (maple) = (2quad)/(2quad) X 100
- freq (maple)=100%
-
- freq (white oak) = (1 quad)/(2 quad) X 100
- freq (white oak) = 50%
-
- freq (beech) = (1 quad)/(2quad) X 100
- freq (beech) = 50%
-
- rel freq (beech) = 50%/(100% + 50% + 50%) X 100
- rel freq (beech) = 50%/200% X 100
- rel freq (beech) = 25%
-
- density (sugar maple) =(12 + 8)/2
- density (sugar maple) = 20/2
- density (sugar maple) = 10 trees/quad
-
- density (white oak) = (5)/2
- density (white oak) = 2.5 trees/quad
-
- density (beech) = (5)/2
- density (beech) = 2.5 trees/quad
-
- rel density (beech) = (5)/(10 + 2.5 + 2.5) X 100
- rel density (beech) = 5/(15) X 100
- rel density (beech) = .33 X 100
- rel density (beech) = 33 %
-
- The importance value for each species of tree is
calculated by:
-
- importance value = relative freq + rel density
Thus, the importance value (beech) would be:
- imprt value (beech) = 25% + 33%
- imprt value (beech) = 58%
- Group all the class data from the 4m by 4m quadrat.
Repeat steps 6 and 7 for the shrub data.
- Group all the class data from the 1m by 1m quadrat.
Repeat steps 6 and 7 for the hebaceous data. If you used
cover instead of tally for a species, then estimate its
importance value.
Home Joining Research
Data Entry E-pals
jhcordukes@airnet.ca