幫我找中華白海豚的資料~Thank YOU!!!

2006-12-27 4:08 am
幫我找中華白海豚的形態特徵、生活習性、繁殖、分類、地域分布、生態的資料.....Thank YOU!!!
[資料要用English]

回答 (2)

2006-12-27 4:12 am
✔ 最佳答案
中華白海豚
中華白海豚是在香港與南中國海域一帶生活的鯨類動物,十分美麗可愛,皮膚淡白裡透粉紅,喜歡在香港的大小島嶼游來游去,牠們其中一個集結地點是位於大嶼山以北水域,以及圍繞龍鼓洲和沙洲的水域,這種白海豚又叫「粉紅海豚」,在本港海域已定居了好幾百年。





中華白海豚的外貌
中華白海豚身體光滑,沒有毛髮,能減低在水中游泳時所產生的阻力,流線形身體,令牠們在水中的活動更加流暢自如。如果想了解多些有關中華白海豚的外貌,可到以下網址瀏覽:

http://crucial.ied.edu.hk/dolphin/cchrcter.htm



中華白海豚的生活習慣
中華白海豚喜歡住在岸邊較淺水的地方活動,牠們的生活習慣能與潮水漲退和日出日落的時間配合:潮漲時,亦正是牠們忙於獵食的時刻,而牠們最活躍的時間是黎明與黃昏。牠們的食物主要是活在海灣的小動物,例如:魚、魷魚、磷蝦等等。你可到以下網址了解牠們更多的生活習慣:

http://crucial.ied.edu.hk/dolphin/chabit.htm



中華白海豚受到的威脅
在香港,中華白海豚的生命卻遇上不少威脅,例如:失去居所、食物嚴重短缺、海上交通頻繁、海水受污等。以下網址有更多這方面的資料:

http://crucial.ied.edu.hk/dolphin/cthreat.htm



齊來保護中華白海豚
其實,保護中華白海豚的方法是有不少的,例如:政府可增加保護海豚的保護區、加以管制航道及水上運輸、加強打擊違例捕漁者、增加清理污水及污泥的次數等。要有效地實施以上的措施,除有賴政府的支持外,同樣需要你們的合作。只要你們進入以下的網址,就可更深入了解拯救牠們的方法:

http://crucial.ied.edu.hk/dolphin/csave.htm



(以上資料摘錄自香港教育學院跨課程資源中心)

 

2006-12-26 20:14:16 補充:
sorry,沒有英文版
2007-01-02 7:32 pm
The Chinese White Dolphin (Sousa chinensis chinensis; Traditional Chinese: 中華白海豚; pinyin: Zhōnghuá bái hǎitún), also called Indo-Pacific Humpback Dolphin, is a subspecies of the Humpback dolphin and is one of eighty cetacean species. The adult dolphin is usually white or grey in colour. The population along the Chinese coast is unique in that they exhibit a pink-coloured skin.[1] This colour of the skin is not a result of colour pigmentation, but is actually from blood vessels used for thermoregulation to prevent overheating during exertion. The adult's body length is about 220 - 250 centimetres and the infant's body length is about 1 metre. The average weight of an adult is around 150 to 230 kilograms.

The Indo-Pacific dolphins can be found throughout Southeast Asia, and they breed from South Africa to Australia. There are two subspecies, with Sumatra, one of the Indonesian islands, as the dividing line between the Chinese and the Western subspecies, Sousa chinensis plumbea.

The two subspecies differ in color and size of their dorsal fin.

The subspecies found in Southeast Asia has pinkish white skin and a larger dorsal fin but lacks the fatty hump of its South African and Australian counterparts.

Color changes in growth period
Birth: Black in color.
Childhood: Grey in color.
Youth age: Pinkish grey with spots.
Adult: Pinkish white and the spots will fade out.

Life expectancy
A Chinese White Dolphin can live as long as 40 years. The eldest dolphin lives in Hong Kong and is known to be about 33 years old. Scientists have discovered that the age of a dead dolphin can be determined by observing the cross section of its teeth.


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原文連結 [永久失效]:
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