波波褐藻 puffy brown algae (colpomenia sinuosa)

平日在臉書追隨的「海下之友」,近數天介紹了好幾種近來所見的海藻。剛過去星期天到訪西貢赤門海峽的荔枝莊,適逢在那裡海岸遇見當中一種,不禁多了解一下。 網上查索,除了漁護署有比較詳細介紹馬尾藻外,有關香港海藻的英文和中文資料稀少。 這是種褐藻,生長在海岸岩石上,氣囊般的型態,藻黃色的如腦袋。 去年二月底同臨此地,並沒有如此海藻爆生的情況。找不到有關此褐藻的生長條件資料,只能推敲去年來訪時氣溫較低,而近日天氣溫暖潮濕,會否是後者的環境適合此藻類? 得強調,這裡所寫的中英文俗名是筆者自己所作,並非正式,因為網上通常以拉丁學名名之。 this past sunday, spotted some algae bloom at lai chi chong, a geopark around tolo channel, north-eastern sai kung. one specific algae i just read these few days from “friends of hoi ha” on fb. that triggers me trying to learn more about. unfortunately there are not that many easy... Continue Reading →

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東平洲自然人文雜錄 tung ping chau may 7 2017

五月初去了一趟東平洲。一個島嶼,滿是寶藏,由最招牌的岩石地貌,到假日遊人如鯽與荒廢民居的對比,還有豐盛的海岸岩岸生境 ...... 簡單的筆記/圖片紀錄: tung ping chau, an island at the very north-east corner of hong kong. it is a treasure island, full of rock wonders and creatures. hope that the increasing number of visitors are not upsetting the nature there. here is a rough record of things i saw in a trip there early may.... Continue Reading →

2013.5.12 東平洲 tung ping chau – 海岸生物 journal of coastal lives

人們到東平洲以看石為主,珊瑚為輔。其實東平洲集合郊野公園、地質公園、海岸公園一身。前兩星期到此寶地,當中的海岸生物最惹我興趣。 people visit tung ping chau mostly for its rock and geo features, or coral. But during my visit to the island very north-east of hong kong two weeks back, i was most fascinated by the coastal lives. 露兜 pandanus 石珊瑚遺骸 stone coral remains 馬尾藻 sargassum 白紋方蟹 grapsid crab - 雜食,但以石面藻類為主要食物。it is omnivorous, but mainly feed on algae on rocks.... Continue Reading →

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