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Conserving Hong Kong’s wildlife Resources - PowerPoint PPT Presentation


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Conserving Hong Kong’s wildlife Resources Why we need to conserve wildlife in Hong Kong? Geography of Hong Kong - HK is well in side the tropics Tropic of Cancer 北回歸線 Aquatic environment : west - Due to the Pearl River influence, more brackish water habitats in the western side of HK.

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Presentation Transcript
slide3

Geography of Hong Kong

- HK is well in side the tropics

Tropic of Cancer 北回歸線

slide4

Aquatic environment : west

- Due to the Pearl River influence, more brackish water habitats in the western side of HK.

slide7

Aquatic environment : east

- The stronger oceanic current from the Pacific created more marine habitats in the eastern waters of HK

slide11

Fung Shui Wood < 1%

Planted woodland 4.5%

slide12

Hong Kong Endangered species

Reasons for extinction

i. Destruction of habitats

ii. Reckless predation of wild animals

iii. Economic development: polllution

http://www.afcd.gov.hk/tc_chi/conservation/conservation.html

slide13

Hong Kong Endangered species

  • Mammals
  • Marine
  • Only two species regularly occur in HK waters
  • i. 江豚 Finless porpoise
    • More common in eastern HK waters e.g. Sai Kung
  • ii. 中華白海豚 Chinese White Dolphin
    • More common in the western waters of HK e.g. North Lantau. A marine park at Sha Chau and Lung Kwu Chau has been set up to protect this species.
slide14

b. amphibians

  • i. HK Newt
    • Occur in clean mountain streams
    • Of potential global importance
    • Once thought endemic to HK, recently found in various parts of Guangdong.
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ii. Romer’s Tree Frog

  • Endemic to HK and globally important
  • Found on several islands only
  • Once threatened by the Chep Lap Kok Airport development
  • The former Chek Lap Kok population has been relocated to several places on the New Territories
slide16

b. birds

  • Greater Painted Snipe 彩 鷸
    • A locally important species. Two sites (nesting) found in HK, one at Kam Tin, the other one at Long Valley
  • 2. Black-faced Spoonbill 黑臉琶鷺
    • - Globally threatened! World population estimated at 660! Nest at Korea and northest China. Winter at Japan, Taiwan, HK, Macau, and north Vietnam. About 138 – 152 winter at Mai Po in the last few years.
slide17

3. White-bellied Sea Eagle 白腹海鵰

    • - Regionally important. About ten pairs regularly nesting along HK’s coast. The pair near HK Disneyland may be affected by the theme park development.
slide18

d. Others

  • 馬蹄蟹 Horseshoe Crab
    • Threatened by hunting and habitat destruction.
slide19

-Insect

    • 黃扇蝶 Birdwing Butterfly Triodes helena
    • Protected in HK
  • Freshwater fresh
    • 黑歧尾鬥魚 Black Paradise Fish Macropodus hongkongensis
    • Identity recently confirmed
    • Globally important species
slide20

Group discussion

Suggest three ways to conserve biodiversity in HK.

  • concrete

- actionable

- effective

  • innovative / already implemented

You may refer to p.10-11 of the notes for some hints

slide21

3.What can we do?

a. establish sanctuary area

  • 38% land already protected

good: forest, woodland, grassland

poor: wetland, field, fung-shui wood

slide25

棕鼯鼠

d. Reintroduce lost species

白鷴

slide26

e. Prevent the establishment of foreign species

Mikania 薇金菊

Oryzias curvinotus

弓背青魚將

Gambusia affinis食蚊魚

slide28

References

Chau, L., Lau, M., Hau, B. and Siu, G. 2000. The Present Status and Conservation of the Biodiversity in Hong Kong. China Biodiversity, 8(1): 25-35

Ashworth, J.M., Corlett, R.T., Dudgeon, D., Melville, D.S. and Tang, W.S.M. 1993. Hong Kong Flora and Fauna: computing Conservation, Hong Kong Ecological Database. World Wide Fund for Nature Hong Kong, 24 pp.

Dudgeon, D. and Corlett, R. 1994. Hills and Streams: An Ecology of Hong Kong. Hong Kong University Press, 234 pp.

Morton, B. and Morton, J. 1983. The Sea Shore Ecology of Hong Kong. Hong Kong University Press, 350pp.

Morton, B. and Ruxton, J. 1992. Hoi Ha Wan. World Wide Fund for Nature Hong Kong, 55pp.

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For images to help prepare teaching materials, may consider the following books:

Viney, C., Phillipps, K. and Lam, C.Y. 1994. Birds of Hong Kong and South China. Sixth edition. Government Printer, Hong Kong.

Karsen, S.J., Lau, M.W.N. and Bogadel, A. 1998. Hong Kong Amphibians and Reptiles. 2nd Edition. Provisional Urban Council, Hong Kong.

Lam, K.S. 2002. Freshwater Fish in Hong Kong. Friends of the Country Parks, Hong Kong.

Young, J.J. & Yiu, V. 2002. Butterfly Watching in Hong Kong. Wan Ki Book Co. Ltd., Hong Kong.

Wilson, K.D.P. 1995. Hong Kong Dragonflies. Urban Council, Hong Kong.

Ades, G.W.J., Lau, M.W.N. and Crow, P.A. 2002. Mammals of Tai Po Kau Nature Reserve. Friends of the Country Parks, Hong Kong.

slide30

scrubland

grassland

slide32

HK has abundant rainfall and a mild temperature range

Mean annual rainfall 2214 mm; mean annual temperature 22.8 °C

slide36

c. amphibia

i. HK newt

ii. Romer’s frog

slide37

Example: 豪豬 Malayan Porcupine

http://www.afcd.gov.hk/conservation/con_e.htm

slide38

香港拖鞋蘭

Lady’s Slipper Orchid

豬籠草

Pitcher Plant