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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