5.0-10.0 10.0-25.0 conversion factor for beef cattle ... · 187 appendix g - maps nitrogen...
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185
Appendix G - Maps
Met
hane
con
vers
ion
fact
or (p
erce
ntag
e)
1.0-
1.5
1.5-
2.0
2.0-
2.5
2.5-
5.0
5.0-
10.0
10.0
-25.
0
Beef
catt
le d
ensi
ty <
1 h
ead
per
squa
re k
m
Map
10
Man
ure
met
hane
con
vers
ion
fact
or fo
r be
ef c
attl
e
Sour
ce: G
LE
AM
cal
cula
tion
, see
App
endi
x A
for
the
met
hodo
logy
. Mai
n in
put d
ata:
IP
CC
(200
6); H
ijman
s, R
.J. e
t al.
(200
5); F
AO
(201
1).
186
Greenhouse gas emissions from ruminant supply chains
Nit
roge
n re
tenti
on (p
erce
ntag
e)
4.3-
8.1
8.1-
11.8
11.8
-17.
9
17.9
-18.
7
18.7
-22.
8
22.8
-30.
0
Dai
ry c
attle
den
sity
< 1
hea
d pe
r sq
uare
km
Map
11
Pro
port
ion
of fe
ed N
ret
aine
d in
pro
duct
– d
airy
cat
tle
herd
s
Sour
ce: G
LE
AM
cal
cula
tion
, see
App
endi
x A
for
the
met
hodo
logy
.
187
Appendix G - Maps
Nit
roge
n re
tenti
on (p
erce
ntag
e)
3.6-
5.6
5.6-
6.8
6.8-
8.3
8.3-
9.2
9.2-
10.8
10.8
-16.
6
Beef
catt
le d
ensi
ty <
1 h
ead
per
squa
re k
m
Map
12
Pro
port
ion
of fe
ed N
ret
aine
d in
pro
duct
– b
eef c
attl
e he
rds
Sour
ce: G
LE
AM
cal
cula
tion
, see
App
endi
x A
for
the
met
hodo
logy
.
188
Greenhouse gas emissions from ruminant supply chains
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