DETAILED CAVE ASSESSMENT REPORT Name of Cave : Patag

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  • Patag Cave Assessment Report Page 1

    DETAILED CAVE ASSESSMENT REPORT

    Name of Cave : Patag Cave Region : Caraga (R-XIII) Province : Surigao del Norte Municipality : Burgos Barangay : Poblacion 1 Length of the Cave : 407.3 meters Date of Assessment : August 3, 2016 Date Prepared : August, 2016 I. General Information

    A. Evolution of Cave

    One of the wonders of the natural world are caves, which are usually hidden

    among mountains and inside them are awesome cathedrals of stone and

    considered as unique, natural, and non-renewable resources with important

    scientific, economic, educational, cultural, historical, and aesthetic values.

    Caraga Region is among the places in the Philippines where limestone deposits

    are very rich with diverse natural resources and distinct characterization of flora

    and fauna. Based on the actual cave assessment conducted by the DENR

    PENRO SDN together with the personnel from the Regional Office, it revealed

    that the cave has a unique features that the municipality can be proud of.

    Just like other caves in the Philippines, Patag Cave which is situated in the

    Municipality of Burgos was originated and formed through the creation of

    limestone which gradually dissolved with the interaction of rainwater and

    groundwater thus creating a hole forming tunnel, large caverns and other

    irregular passages. Frequently, water charged with mineral seeps into the cave

    and evaporates leaving stalactite deposits that hang from the roof and

    stalagmite deposits that grew from the floor. As stalactite grows downward and

    stalagmite grows upward they may eventually join to form a column. Such

    formation is natures action that forms the caves.

    B. Geographical Location and Description

    b.1. Coordinates

    Patag Cave is situated at coordinates 100029.52 N and 1260402.64 E and

    at elevation of 210 feet above sea level. Patag Cave is part of Barangay

    Poblacion 1 in the Municipality of Burgos, Province of Surigao del Norte. The

    cave is called patag cave since it is near from the place where they called

    patag a visayan/local term of plane topography.

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    b.2. Physiography

    The area is classified under second type climate which has no dry season with a

    very pronounced maximum rainfall from November to January where typhoon

    occurs frequently with an average of five every years. The average rainfall is

    31.5mm in the rainy days. Soil type is predominantly clay followed by loam and

    has sticky soil texture especially during rainy season. There are coconut trees,

    and other tree species and some agricultural crops were observed in the area.

    C. Land Status

    Patag Cave is within the area issued with present Certificate of Land Ownership

    Agreement (CLOA) of Mr. Alfonso Nogaliza et. al with title No. 483 containing an

    area of 2.2002 hectares.

    D. Accessibility

    From the municipal proper, the Patag area can be accessed via Barangay

    Poblacion 2 route (farm to market road) using a motorcycle or any means of

    transportation, which can take about 10-15 minutes travel time. This route is

    cannot be easily accessed by motorcycle or any vehicle during rainy season

    because it will get muddy and the road is not concrete with some steep portion

    of it. Another option is via municipal proper to Barangay San Mateo route which

    can take a travel time of about 20-30 minutes by a motorcycle or four-wheel

    vehicles. From Patag area, the cave can only be accessed by walking/hiking

    from rice field to coconut plantation area up to the hill where the cave is situated

    that can take about 10-15 minutes travel time. The Patag Cave is about 1.9

    kilometers from the Municipal Office of Burgos.

    E. Existing Land-Use Pattern in the Area Adjacent to the Cave

    The present land use pattern adjacent to the cave is dominated by coconuts,

    and there are minimal stands of fast growing species and agricultural crops. The

    adjoining areas are within the alienable and disposable land (A & D)

    Table 1. Existing land-use pattern of Barangay Poblacion 1

    Listing by Type

    Area (ha)

    1. Reforestation Area -

    2. Reservation -

    3. Logging -

    4. Grazing Land -

    5. Settlements -

  • Patag Cave Assessment Report Page 3

    6. Mineral Extraction -

    7. Others (govt property & agriculture) -

    F. Demographic Information

    As to the Community Based Monitoring System of 2012 census, the barangay

    has a total population of 899 individuals with 202 number of households (Table

    2).

    Table 2. Demographic information of Barangay Poblacion 1

    Name of Barangay

    Number of Household

    Barangay Population

    Major Source of Livelihood

    Poblacion 1

    202

    899

    Farming, Fishing, Employment

    and Carpentry

    G. Current Uses/Human Activities

    Patag Cave is a potential site for ecotourism and other recreational services.

    Accordingly, there were many tourists visiting the cave with the frequency of 1-2

    number of visits per week especially during dry/summer season. There are also

    local tour guides who assist the tourists (local and foreign visitors) during caving.

    Recently, the cave is also a source of water for irrigation to farmers nearby.

    H. Physical Features

    h.1. Cave Map

    Patag Cave has a total length from the entrance to the exit point of 407.3

    meters. The entrance opening measures about 1 meter high and 2 meters wide

    while the exit measures about 3 meters high and 5 meters wide. Cave direction

    (from entrance to exit including sub-chambers) and its specific location is shown

    in the map (see Figure 1 and Figure 2).

  • Patag Cave Assessment Report Page 4

    Figure 1. Map showing the Patag Cave of Burgos, Surigao del Nore

    Figure 2. Map showing Patag Cave Specific Location at Burgos, Surigao del Norte

  • Patag Cave Assessment Report Page 5

    h.2. Status of the Cave

    Since some of the local communities including local and foreign visitors are

    entering the cave, the Patag Cave is no longer pristine/virgin but still intact. As

    mentioned earlier, the cave area is a source of irrigation to farmers nearby or in

    the low land particularly in Patag area since the cave has an underground river

    system. According to the farmers, the river system of the cave can irrigate rice

    fields of about 4-5 hectares during dry season and 8-10 hectares during wet or

    rainy season. At present, seven (7) farmers in the Patag area had benefited from

    it. There were no distinct cave formations and minerals inside the cave except

    for some giant stalagmites, stalactites and columns in the main chamber. There

    were no vandalisms and signs of floor excavation, however there were some

    plastic leftovers observed in the area.

    h.2.1. ( ) Pristine Cave (virgin or newly discover cave)

    h.2.2. () Intact (State what probable factors could have worked for their

    protection?)

    [] difficult access

    [] within the protected area

    [] inside private property

    h.2.3. ( ) Vandalized (state extent, location of vandalism, describe vandalism)

    h.2.4. () Exploited (state cause and extend of exploitation)

    h.2.5. () Claimant

    h.2.6. ( ) Others (specify)

    II. Natural Features

    a. Vegetative Cover

    a.1. Flora Outside the Cave

    Table 3. Flora Found Outside Patag Cave

    Local Common

    Name Scientific

    Name Uses

    Importance/ Value

    TREES

    Rattan

    Wakatan Wakatan Pouteria velutina

    Construction Economic

    Sangay

    Pagi-pagi

    Labaw

    Hambabayod - Lumber/furniture Economic

    Balete

    Banay-banay Banay-banay Radermachera

    pinnata

    Cabinet and furniture, sculpture

    and carving Economic

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    Anislag

    PALMAE

    Lubi Coconut Cocos nucifera Oil, lumber, broom,

    etc. Economic

    SHRUBS

    Saging Banana Musa sp. Food/wrapper/fiber Economic

    Wild Gabi

    Ban-ban Donax

    canniformis

    Used for basket weaving, making fish traps, and hats, and

    for sewing nipa shingles.

    Economic

    Hagimit

    HERBS

    Kawayan Bamboo Bambusa sp. House materials, food, ornamental

    Economic

    Tree fern

    Giant fern Giant Fern Angiopteris

    evecta

    Hand, Fibrous trunk used as orchid

    media, trunks carved into vases and

    statues.

    Common fern Fern Cyathea sp. - Economic

    VINES

    Bagon Imperata cylindrical

    Furniture/Decoration Economic

    OTHERS

    Moss

    a.2. Flora Inside the Cave

    Only one species of flora was recorded inside the cave with only two (2)

    count, one species spotted at the middle portion of the main chamber of the

    cave and the other one was recorded near the exit point of the main chamber.

    Table 4. Flora FOund Inside Patag Cave

    Local Common

    Name Scientific

    Name Uses Importance/Value

    Gabi-gabi

    Taro

    Colocasia esculenta

    Used as ornamental

    plant economic

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    b. Fauna

    b.1. Fauna Outside the Cave

    Table 5. Fauna Found Outside Patag Cave

    Local/Common Name

    Scientific Name

    Conservation St