2. paul ro monitoring background 2014
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Monitoring Workshop Romania
Butterfly Monitoring:Background
Monitoring Workshop Romania
Silent Spring and DDT spark research
Monitoring Workshop Romania
Butterfly Monitoring: Pollard transects
Monitoring Workshop Romania
Fixed Fixed routeroute
Butterfly transect method
Weekly Weekly countscounts
Nu
mb
er
seen
Week
1 2 3 4 5 6 7 8 9
Annual Annual indexindex
Sum of weekly counts Sum of weekly counts e.g.e.g. 1+1+3+5+4+2+2+1+0 = 1+1+3+5+4+2+2+1+0 = 20 20
Pop/n trendsPop/n trends
Year
Ind
ex
Monitoring Workshop Romania
• 1,000 sites monitored every week
• ~ 1,500 recorders
UK Butterfly Monitoring Scheme
Monitoring Workshop Romania
Boloria euphrosyne Pearl-bordered Fritillary
43%
Monitoring Workshop Romania
Start of scheme
Euphydryas aurinia Marsh Fritillary trends in south England
Sites in agri-environment schemesUK trend
Monitoring Workshop Romania
Butterflies are declining more rapidly than other popular taxa (Thomas et al., 2005 Science)
Monitoring Workshop RomaniaBirds and butterflies of woodland - UK
Woodland birds 35% decline in 40 yrsfor specialists
Woodland butterflies ~ 70% decline in 20 yrs specialists + generalists
Monitoring Workshop RomaniaBirds and butterflies on farmland - UK
Farmland birds 50% decline in 40 yrs
Farmland butterflies ~ 60% decline in 20 yrs
England
0
20
40
60
80
100
120
140
160
1990 1992 1994 1996 1998 2000 2002 2004 2006 2008
Index (
1976=
100)
Monitoring Workshop Romania
Building a European partnership
• Formed 2004• 38 organisations
from 34 countries • www.bc-europe.eu
0
20
40
60
80
100
120
140
1990 1994 1998 2002 2006 2010
Butterfly Conservation Europe / Statistics NetherlandsGrassland Butterfly Indicator
-70%