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...) 羽紋硅藻— 細胞壁較長，兩側對稱，例如擬菱形藻屬。硅藻一般根據其形狀和硅質細胞壁的樣式分類，直徑或 長度通常介乎 20 至 200 微米不等，細胞可以是單一形態或組成群體。硅藻多分佈於淡水及海洋環境， 此外亦可在泥土中生長。圖 1 顯示硅藻的形態。 Thousands of microscopic algal species are found in oceanic waters. They are primary producers which form the base of the food web. Most of them do not cause harm to humans...

... The Government of the Hong Kong Special Administrative Region Agriculture, Fisheries and Conservation Department Baseline Survey on the Attitude and Level of Knowledge of the General Public and Stakeholder Groups towards Biodiversity in Hong Kong Research Report Centre for Communication and Public ...

... The Government of the Hong Kong Special Administrative Region Agriculture, Fisheries and Conservation Department Baseline Survey on the Attitude and Level of Knowledge of the General Public and Stakeholder Groups towards Biodiversity in Hong Kong Research Report Centre for Communication and Public ...

...率並沒有明顯的趨勢變化， 這可能與牠們在不同年份經常來往穿梭不同的區域所致。但在江豚出沒的高峰季 節，牠們在香港南面水域的整體年度遇見比率在近年卻有明顯的上升趨勢。相 反，中華白海豚在大嶼山附近水域的整體年度遇見比率在近年呈現下降的趨勢， 而且分別在海豚出現的三個主要區域(大嶼山西北、東北及西)均可發現此下降趨 勢。此外，研究員利用樣條線分析方法以估計中華白海豚在此三個區域的年度數 量，發現在 2002-10 年期間，海豚的整體數量由 2003 年最多的 158 條下降至 2010 年最少的 75 條；再利用 autocorrelation test 加以分析年度趨勢，發現海豚的數量 在三個...

...率並沒有明顯的趨勢變化， 這可能與牠們在不同年份經常來往穿梭不同的區域所致。但在江豚出沒的高峰季 節，牠們在香港南面水域的整體年度遇見比率在近年卻有明顯的上升趨勢。相 反，中華白海豚在大嶼山附近水域的整體年度遇見比率在近年呈現下降的趨勢， 而且分別在海豚出現的三個主要區域(大嶼山西北、東北及西)均可發現此下降趨 勢。此外，研究員利用樣條線分析方法以估計中華白海豚在此三個區域的年度數 量，發現在 2002-10 年期間，海豚的整體數量由 2003 年最多的 158 條下降至 2010 年最少的 75 條；再利用 autocorrelation test 加以分析年度趨勢，發現海豚的數量 在三個...

... starts with us” Web Banner Design Competition on the envelope. Deadline of Submission 24 April 2015 [Entries received by mail will be dated by postmark.] Judging Criteria 1) Content and Presentation (40%) 2) Composition and drawing technique (30%) 3) Creativity (30%) Judging Panel 1) Mr. Michael Miller...

... measures, the slaughterhouses need not be closed and other pigs need not be culled. As culling operation takes time, the AFCD will release updated operation information every day later on the departmental web page, www.afcd.gov.hk, for the public. Ends...

... its function. The Herbarium also maintains a web-site (http://www.herbarium.gov.hk), providing information on local plants. Back to Top   The Hong Kong Herbarium The Hong Kong Herbarium was established in 1878 and is the most comprehensive herbarium in Hong Kong. There are approximate 52,400...

... SFDF Web Page - Approved Projects -190220.xlsx Sustainable Fisheries Development Fund (SFDF) - Approved Projects (As at 20-2-2019) Approved Projects under SFDF Application No. Name ofOrganisation Project title Nature of the project Project brief Amount of grant approved (HK$) Commencement date...

...口鱲 [Opsariichthys acutipinnis (Bleeker)]。然而，在2013年8月，一條於烏蛟騰採到的雄性寬鰭鱲標本被發現擁有與長鰭 馬口鱲 [O. evolans (Jordan & Evermann)]十分相近的分類特徵。從現時的資料顯示，這兩個馬口鱲品種均可能在香港 出現。 Introduction The Pale Chub is a small minnow with vertical stripes along its body. It is found in streams and reservoirs in Hong Kong and the...