由香港觀鳥會統籌的黑臉琵鷺全球同步普查2018已於1月19-21日完成,今年的統計結果跟2017年同樣錄得3941隻。
整體數字雖然未有顯示黑臉琵鷺受進一步威脅,然而在香港與深圳之間的后海灣所錄得數字卻反覆向下,反映在后海灣一帶適合黑臉琵鷺棲息及覓食的濕地正在萎縮,加上新界西北不斷的發展,黑臉琵鷺在本港的棲息地正受到威脅。香港觀鳥會呼籲有關部門應盡早研究如何保護如黑臉琵鷺瀕危鳥類的棲息地,並提出保護濕地和水鳥的措施,令生態平衡得以永續。
一:2018年各地普查結果
Figure 1: Results of different locations in 2018 Census
地區 Place | 2016 數量 (佔總數百份比 % to total) | 2017 數量 (佔總數百份比 % to total) | 2018 數量 (佔總數百份比 % to total) | 趨勢 (比較2017年 against 2017) |
台灣 Taiwan | 2,060 (61.4%) | 2,601 (66.0%) | 2,195 (55.7%) | -406隻 (-15.6%) |
香港和深圳 (后海灣) | 371 (11.1%) | 375 (9.5%) | 350 (8.9%) | -25隻 (-6.7%) |
中國大陸 Mainland China | 434 (12.9%) | 397 (10.1%) | 744 (18.9%) | +347隻 (+87.4%) |
日本 Japan | 383 (11.4%) | 433 (11.0%) | 508 (12.9%) | +75隻 (+17.3%) |
越南 Vietnam | 9 (0.3%) | 62 (1.6%) | 65 (1.6%) | +3隻 (+4.8%) |
澳門 Macau | 61 (1.8%) | 44 (1.1%) | 50 (1.3%) | +6隻 (+13.6%) |
韓國 South Korea | 38 (1.1%) | 29 (0.7%) | 26 (0.7%) | -3隻 (-10.3%) |
菲律賓 The Philippines | 1* (0.0%) | 0 (0.0%) | 3 (0.1%) | 多3隻 |
泰國 Thailand | 0 (0.0%) | 2* (0.0%) | 0 (0.0%) | 沒有改變 |
柬埔寨 Cambodia | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 沒有改變 |
總數 Total | 3,356 | 3,941 | 3,941 | 沒有升跌 |
附註: * 並非於普查日錄得,故不計算在總數之內。
Note: * Not included in the total as the toll was not taken on the survey date.
二:1989-90至2017-18年冬季的全球黑臉琵鷺數量
Figure2 : Numbers of wintering Black-faced Spoonbill in the world from 1989-90 to 2017-18
三:2018全球同步普查期間黑臉琵鷺在不同越冬地的全球百分比
Figure 3: Proportion of wintering Black-faced Spoonbill at different locations to the global total in 2018 International Census
四:比較七個主要越冬地區的已知黑臉琵鷺數量趨勢
Figure 4: A comparison of the trends of the known global population of Black-faced Spoonbill at main wintering areas
五:黑臉琵鷺全球同步普查2018普查地點分佈
Figure 5: Census sites map of “The International Black-faced Spoonbill Census 2018
六:香港常見黑臉琵鷺位置
Figure 6: Areas Black-faced Spoonbills commonly seen in Hong Kong
香港觀鳥會於2018年3月25日舉行記者會,新聞稿內容可於下列連結下載。
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