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Species Distribution - Butterfly
   Hok Tau Reservoir
    Site Description

Hok Tau Reservoir lies within Pat Sin Leng Country Park.  It was built to regulate irrigation water supplies for nearby agricultural fields and over the years it has become a popular hiking destination.  Around the reservoir you will find many plantations and well-wooded valleys with diverse flora.  There are also a number of streams flowing into Hok Tau Reservoir.  The environment is perfect for butterflies.  You can explore along the Hok Tau Reservoir Family Walk.  Whilst enjoying the spectacle of idyllic vistas and the lyrical atmosphere of bamboo groves, you have a chance to see diverse butterflies in action.

    Site Protection

The site is within Pat Sin Leng Country Park.

    Transportation

Green Minibus:
52B   Fanling Railway Station Minibus Terminal - Hok Tau
Disembark at Hok Tau Wai and walk along Hok Tau Road for about 15 - 20 minutes.

    Survey method

The Pollard transect count method was adopted.  At each locality a fixed transect, typically of between 1 to 4 km in length, was walked.  Butterflies observed either in flight or settled on vegetation within 5m on either side of the observers were recorded.  There was no restriction on the recording distance in front of the observers, or on the height at which the butterflies could be recorded.  Information recorded included species, abundance, sex (if possible) and the habitat types where each species was seen.  The butterfly surveys were undertaken between March and November, which covers the flight period of most local species.  The transects were walked between 09:30 and 16:30 on rainless days, when the temperature was generally high enough for butterflies to become active.  Other variables recorded included time, weather and cloud cover, as well as the presence of butterfly eggs, larvae or pupae, and special behaviour such as courtship, mating and hill-topping.

    Tips and Code
HK Biodiversity Online
    Remarks
Map and species list provided are for reference only.
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