2018/06/05
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"中小学微课学习系统源码 可二次开发✅项目合作 二开均可 TG:saolei44✅.kDqnuSvNmfOu" 的搜尋 由 5971 至 5980 約有 6018 筆結果
...。結果顯示,當跟隨拖網漁船覓食時,海 豚的平均速度顯著上升;而當海豚被來自大澳的觀豚小艇跟蹤時,其移動方向改 變的頻率亦輕增加。此研究初步顯示,海豚的移動模式會因應不同船隻的出現 而作出短暫改變,但此研究項目仍需在未來搜集更多的數據,以作分析及評估海 豚移動模式與船隻的多寡及距離等的相互關係。 在 2011-12 年間,研究員在大嶼山一帶水域的水底聲音監察站,共錄取了 139 個、合共 10 小時 49 分的水底聲音片段。而一項針對高速渡輪所發出之噪音對海 豚的影響研究發現,在大嶼山以南一條高速船頻繁航行的主航道之背景噪音水平 明顯地高,而此高噪音水平應會對海豚構成某程度上的壓力及行為改變...
...香港水域的海豚個體,共有十五隻於 2018 年不見所蹤,但其中四隻卻在伶仃 7 洋出現。國內水域的持續監察及珠江口中華白海豚的合作研究有助進一步了解牠 們於整個區域的空間動態。於大嶼山西面及西南面調查區之間、及於大嶼山西北 面及西面調查區之間移動的個別海豚,其數量亦於近數年持續下降。 在過去三個監察報告中發現的本港水域內的海豚使用模式有所改變,亦再次 透過分析個別海豚活動範圍而顯示出來。59 隻屬北大嶼山社群的海豚當中,44 隻個體曾將部份及整個活動範圍由大嶼山北面水域轉移至西面及西南面水域,但 於 2017 及 2018 年,卻有 29 隻個體的活動範圍轉移出現逆轉,牠們並再次回到 大嶼山北面...
...香港水域的海豚個體,共有十五隻於 2018 年不見所蹤,但其中四隻卻在伶仃 7 洋出現。國內水域的持續監察及珠江口中華白海豚的合作研究有助進一步了解牠 們於整個區域的空間動態。於大嶼山西面及西南面調查區之間、及於大嶼山西北 面及西面調查區之間移動的個別海豚,其數量亦於近數年持續下降。 在過去三個監察報告中發現的本港水域內的海豚使用模式有所改變,亦再次 透過分析個別海豚活動範圍而顯示出來。59 隻屬北大嶼山社群的海豚當中,44 隻個體曾將部份及整個活動範圍由大嶼山北面水域轉移至西面及西南面水域,但 於 2017 及 2018 年,卻有 29 隻個體的活動範圍轉移出現逆轉,牠們並再次回到 大嶼山北面...
... Microsoft Word - BioB - LegCo paper - FAIR.doc File Ref. : EP/86/21/25 (09) Pt. 8 LEGISLATIVE COUNCIL BRIEF Genetically Modified Organisms (Control of Release) Bill Extension of the Convention on Biological Diversity and the Cartagena Protocol on Biosafety to Hong Kong INTRODUCTION At the meeting o...
... 立法會 Legislative Council LC Paper No. CB(1) 1060/09-10 Ref : CB1/BC/6/08 Paper for the House Committee meeting on 5 February 2010 Bills Committee on Genetically Modified Organisms (Control of Release) Bill Purpose This paper reports on the deliberations of the Bills Committee on Genetically Modified...
... Issue No. 21 September 2011 www.hkbiodiversity.net Subscribing Hong Kong Biodiversity If you would like to have a copy, or if you know anyone who is interested in receiving a copy of this newsletter, please send the name, organisation, and email (soft copy) or postal addresses (hard copy) to the Ar...
... Issue No. 21 September 2011 www.hkbiodiversity.net Subscribing Hong Kong Biodiversity If you would like to have a copy, or if you know anyone who is interested in receiving a copy of this newsletter, please send the name, organisation, and email (soft copy) or postal addresses (hard copy) to the Ar...
... Issue No. 21 September 2011 www.hkbiodiversity.net Subscribing Hong Kong Biodiversity If you would like to have a copy, or if you know anyone who is interested in receiving a copy of this newsletter, please send the name, organisation, and email (soft copy) or postal addresses (hard copy) to the Ar...
... Issue No. 21 September 2011 www.hkbiodiversity.net Subscribing Hong Kong Biodiversity If you would like to have a copy, or if you know anyone who is interested in receiving a copy of this newsletter, please send the name, organisation, and email (soft copy) or postal addresses (hard copy) to the Ar...
... Issue No. 21 September 2011 www.hkbiodiversity.net Subscribing Hong Kong Biodiversity If you would like to have a copy, or if you know anyone who is interested in receiving a copy of this newsletter, please send the name, organisation, and email (soft copy) or postal addresses (hard copy) to the Ar...