butterfly diversity of the legato sites in the philippines
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Butterfly diversity of the LEGATO sites
in the Philippines Martin Wiemers & Josef Settele
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Butterfly diversity of the LEGATO sites
in the Philippines – a pilot study
• assess indicator value for biodiversity around the LEGATO field sites
• in addition to the LEGATO target group for terrestrial habitats (bees)
• Why butterflies: • good indicators for biodiversity (herbivorous
insects with complex life cycle and habitat requirements)
• high diversity (ca 500 species on Luzon island) • relatively easy to sample and identify
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Butterfly surveys 18.4.–3.5.2013 & 1.-12.4.2015
• Transect counts within 300 m radius of LEGATO sites
• 5 minute intervals
enables calculation of accumulation curves
standardisation according to sampling effort not
straightforward due to strong differences in detectability
between open and forested tropical habitats
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Preliminary results from 2013
further sampling effort needed in Laguna
(3 days) and especially in Ifugao (46 days)
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Landscape Name Collected
samples
Sampling
effort (obs.
units)
Sampling
effort
(hours)
observed
individuals
observed
species
single-
tons
double-
tons
PH1 Laguna 99 101 9 349 27 5 3
PH2 Nueva Ecija 57 74 6 476 20 2 2
PH3 Ifugao 136 218 24 573 43 16 4
TOTAL Philippines 292 393 40 1398 57 11 3
Landscape Name estimated
no. species
(ACE)
estimated
no. species
(Chao 1)
estimated
maximum
no. species
missing
species
g=1 g=0.95 g=0.9
PH1 Laguna 31 31 44 4 1080 286 84
PH2 Nueva Ecija 21 21 26 1 501
PH3 Ifugao 65 75 158 32 6918 2457 1663
TOTAL Philippines 65 71 113 14 14086 4239 2462
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Results of surveys in 2013 & 2015
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Landscape Name estimated
no. species
(ACE)
estimated
no. species
(Chao 1)
estimated
maximum
no. species
missing
species
g=1 g=0.95 g=0.9
PH1 Laguna 50 50 44 7 4496 1271 612
PH2 Nueva Ecija 21 21 26 1 501
PH3 Ifugao 61 63 158 9 7021 1839 857
TOTAL Philippines 80 82 113 9 12945 2707 899
Landscape Name Collected
samples
Sampling
effort (obs.
units)
Sampling
effort
(hours)
observed
individuals
observed
species
single-
tons
double-
tons
PH1 Laguna 232 250 23 844 43 9 4
PH2 Nueva Ecija 57 74 6 476 20 2 2
PH3 Ifugao 238 446 57 1288 54 11 5
TOTAL Philippines 527 770 86 2608 73 12 6
For comparison: 2-day-survey on Mt. Makiling: 57 / 154 species
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Ifugao – PH3
Nueva Ecija – PH2
Laguna – PH1
Luzon:
72 of 472
species
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Butterfly species shared among regions
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Laguna
Ifugao
Nueva Ecija
11
4
16 0
10 4
26
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Butterfly diversity in PH1-PH3 (Luzon)
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PH1:
Laguna
41 species
Victoria
14
Malaya
25
San Francisco
14
Nagcarlan
26
Manaol
16
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PH1 – Laguna
Page 10 Junonia atlites Leptosia nina
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Butterfly diversity in PH1 (Laguna)
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PH2:
Nueva Ecija
20 species
Naglabrahan
12 Maligaya
9
Mabini
9
Talavera
7 Sibul
12
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PH2 – Nueva Ecija
Page 13 Aeromachus plumbeola Eurema species
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Butterfly diversity in PH2 (Nueva Ecija)
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PH3:
Ifugao
54 species
Poitan
34 Bangaan
26
Hingyon
26
Taman
17
Batad
29
Viewpoint
15
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PH3 – Ifugao
Page 16 Pieris canidia
Faunis phaon
Pithecops corvus
Acrophthalmia artemis
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Butterfly diversity in PH3 (Ifugao)
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Laguna
Ifugao Nueva
Ecija
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Thank you for your attention!
• Permits & Assistance: • Sylvia Villareal (Bong) • Leonardo Marquez (Leo) • Jesus Victor Bustamante
(Jappan)
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Acknowledgements