Biological Resources

I. HABITAT AND ECOSYSTEMS

Brushland and Grassland Ecosystems

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Forest Ecosystem

  • Lowland Evergreen Rainforest
  • Forest over limestone
  • Forest Ultrabasic Rocks

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Agricultural Ecosystems

  • Coconut mixed with Croplands
  • Coconut mixed with an undergrowth of Brushes, shrubs and Grass, with some small trees
  • Croplands mixed with brushes shrubs and grasses and some small trees
  • Croplands/Rice lands

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Wetland Ecosystems

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Other Ecosystems

  • Mixed falcatiforium (binaton) Forest
  • Mono crop – dominated Ecosystems

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II. FLORA

  • 974 Species belonging to 436 Genera and 131 families
  • Plants diversity Status
    • Samar Islands Natural Park had a composite Biodiversity index of H’=1.4628
    • Highest diversity index was recorded in Taft watershed with an H’ value of 4.5837
    • Lowest diversity index was obtained in  Pambujan watershed with an H’ value of 3.1570
    • Gandara watershed had the highest value of species richness with S = 497
    • Basey watershed had the lowest value of species richness with only S = 131

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  • Composition of Plant Habits
    • 55 epiphytes
    • 103 ferns
    • 146 herbs
    • 76 lianas or woody vines
    • 56 shrubs
    • 165 small trees
    • 230 medium-sized trees
    • 100 large trees
    • 36 tree-like plants
    • 39 vines (non-woody)

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  • Economic Uses of Plant Sampled
    • 49 for cottage industry
    • 9 fruit crops/ trees
    • 28 with edible fruits
    • 3 fiber sources
    • 413 landscape materials
    • 24 medicinal
    • 14 poison source
    • 1 shampoo source
    • 5 vegetables
    • 212 ornamentals
    • 1 pulp fiber source
    • 3 root crops
    • 2 spice
    • 19 weeds
    • 2 soil erosion control
    • 10 ecological function
    • 262 as source of timber

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