Other slides in this set

Slide 2

Preview of page 2

Here's a taster:

The Structure of an Ecosystem
Inp
ut
­S
ola
rE
Input ­ Rain/Dust (A)
ne
rgy
(A (B)
) on
ig rati
a lM
Anim
ut ­
Primary tp
Lit
Ou
te
Producer (B)
r F Ma
all tte
In
, P r (A
pu
lan &

t a B)
So
il W
nd
ea
An
th
im
er
al
in
g
&
So
il W Output ­ Logs
at
er
(A
)
Litter Breakdown (B)
Blue = Flow Ro Ou
ot B tpu

Purple = Store g (A) rea Dra
h erin kdo ina
eat wn ge
A = Abiotic Ro c k W
(B) (A)
­
B = Biotic Input…read more

Slide 3

Preview of page 3

Here's a taster:

The
circles are
Gersmehl Diagram
Input dissolved in rain
proportion
al to the
size of the
store Biomasss
ie
sue d
t as tis
Fallou
Litter
Uptake by plants
Lo Rel
eas
ea
s
s lit
si
ter
n
dec
Ru
om
pos
n
es
-O
ff
Soil
Arrows Lo
thickness
ss
by
lea
depends
ch
Input from weathered
ing
on the rate
rock
of transfer
between
the stores…read more

Slide 4

Preview of page 4

Here's a taster:

Gersmehl Diagram : In Real Life
Rainforest Grassland…read more

Slide 5

Preview of page 5

Here's a taster:

Energy Flow between organisms
Omnivore
e.g. Badger DECOMPOSERS
These are
Carnivore e.g.
Shrew TROPHIC
LEVELS
They get
Herbivore e.g. Caterpillar progressively
less because up
to 90% of the
energy is lost by
Primary Producer / Autotroph e.g. Leaf respiration and
decomposition,
so less animals
can be
supported.…read more

Slide 6

Preview of page 6

Here's a taster:

The
complete
series of
changes
is the
Prisere
Vegetation Succession in the Lithosere
Pioneer Herbs and Ferns & Bracken: Small Trees: Pioneer Climatic Climax: This
Community: (moss Grasses: These These grow taller and trees establish and happens after a very
and lichen) hardy are able to grow are able to grow grow quickly. They long period of time and
and adapted to in the immature because of the can grow because of it is stable as the
survive in harsh soil and are very maturing soil being plants before, adding dominants exclude the
conditions. They small. able to meet their organic matter, this unsuitable. Once the
compete for demand. They shade improves the major dominants are in
necessities. As they the smaller grasses structure and water place the number of
die they modify the and herbs so less are retention qualities, so species begin to decline
environment by able to grow. they have more because they block out
adding organic water, nutrients and light or compete. The
matter and helping natural vegetation, here
anchorage. They also
has reached a stable
develop soil. They provide shelter from
balance with the climate
can affect the heavy rain for other and soils. It's in
microclimate and plants. Equillibrium but still
soil. Their roots dynamic: small changes
help weather will occur but nothing
surface, aiding soil massive.
formation.…read more

Slide 7

Preview of page 7
Preview of page 7

Slide 8

Preview of page 8
Preview of page 8

Slide 9

Preview of page 9
Preview of page 9

Slide 10

Preview of page 10
Preview of page 10

Comments

No comments have yet been made

Similar Geography resources:

See all Geography resources »See all resources »