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HERPS: Its More Fun
In The Philippines
Herpetofaunal
Diversity and Endemism
in Mindanao, Philippines
Bryan George D. Belleza
MS Biology
August 14, 2012
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Agusan del Sur
Lanao del Sur
Davao Oriental
Sarangani
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172 native amphibians and reptiles
111 (64%) endemic
80 known species of frogs
92 species of reptiles
Eight (8/35; 22.86%) species of frogs areindigenous to Mindanao Island and
60 (75%; 60/80) species are restricted to
the Philippine archipelago.
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Species Composition and Abundance
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Species Composition and Abundance
Endemism and Conservation Status
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Species Composition and Abundance
Endemism and Conservation Status
Species Diversity
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Species Composition and Abundance
Endemism and Conservation Status
Species Diversity
Existing threats to the Herpetofauna
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140 herptiles (24 species)
-15 reptiles & 9 amphibians
(Mt. Hamiguitan, Davao Oriental)
59 herptiles, 37 reptiles and 22 amphibians
(Mt. Diwata Range, Agusan del Sur)
11 herptiles (6 families)
- 8 reptiles & 3 amphibians
(Sarangani Province and Lanao del Sur)
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(Mt. Hamiguitan, Davao Oriental)
- 21 Philippine endemic species
(14 squamates & 7 anurans)
- reptilian endemics (93%) of total
captured species
- two of the 14 endemic reptiles as Mindanao
Faunal Region endemics.
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(Mt. Hamiguitan, Davao Oriental)
- amphibian endemics 77.8% of the totalamphibian species captured
- three endemic species with vulnerable
conservation status
- 21 Philippine endemic species
(14 squamates & 7 anurans)
- reptilian endemics (93%) of total
captured species
- two of the 14 endemic reptiles as Mindanao
Faunal Region endemics.
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(Mt. Diwata Range, Agusan del Sur)
- reptilian endemics (51%) of the total species
captured
- amphibian endemics (50%) of the total
species captured
- seven species with vulnerable status and
two were socio-economically important
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(Sarangani Province & Lanao del Sur)
- reptilian endemics (27%) of the total
captured species
- amphibian endemics (18%) of the total
captured species
- two endemic species of amphibians wereof vulnerable conservation status
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Table 1. The number of lizards and snakes documented in Mt. Hamiguitanand Mt. Diwata Range
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Table 2. The number of anurans documented in Mt. Hamiguitan and Mt.Diwata Range
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Table 3. Reptiles and amphibians documented in different cave sites withinSarangani Province and Lanao del Sur.
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Simpson Diversity Index and Evenness
(Mt. Hamiguitan and Mt. Diwata Range)
-highest reptile diversity and uniformdistribution in lowland dipterocarp forest,followed by montane forest and mossy
forest.
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(Sarangani Province & Lanao del Sur)
- Moderate diversity with more or less evendistribution was documented in the cave sites
Table 4. Biodiversity indices (Simpsons index, Shannon-Weiner index and
Species Evenness).
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HERPS: Its More Fun
In The Philippines
Herpetofaunal Diversity andEndemism in Mindanao,
Philippines
Bryan George D. Belleza
MS Biology