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... Roosting Sites of Ardeids in Winter 2019/20 Ivy W.Y. So and Sylvia N.F. Yuen Bird Working Group 漁農自然護理署於�2�0�1�9�-�2�0年冬季進行了全港鷺鳥棲息地調查，調查覆蓋�5�8個地點，共記錄得�2�6個棲息地， 並於各個棲息地分別錄得�1�2至�5�8�4隻鷺鳥棲息，而鷺鳥的品種數目則由�1至�6種不等。本文分析了鷺鳥棲息地的現況， 並與以往比較，作為未來香港鷺鳥保育的參考。 Introduction Objectives Ardeids are a major group of waterbirds...

... Roosting Sites of Ardeids in Winter 2019/20 Ivy W.Y. So and Sylvia N.F. Yuen Bird Working Group 漁農自然護理署於�2�0�1�9�-�2�0年冬季進行了全港鷺鳥棲息地調查，調查覆蓋�5�8個地點，共記錄得�2�6個棲息地， 並於各個棲息地分別錄得�1�2至�5�8�4隻鷺鳥棲息，而鷺鳥的品種數目則由�1至�6種不等。本文分析了鷺鳥棲息地的現況， 並與以往比較，作為未來香港鷺鳥保育的參考。 Introduction Objectives Ardeids are a major group of waterbirds...

... Roosting Sites of Ardeids in Winter 2019/20 Ivy W.Y. So and Sylvia N.F. Yuen Bird Working Group 漁農自然護理署於�2�0�1�9�-�2�0年冬季進行了全港鷺鳥棲息地調查，調查覆蓋�5�8個地點，共記錄得�2�6個棲息地， 並於各個棲息地分別錄得�1�2至�5�8�4隻鷺鳥棲息，而鷺鳥的品種數目則由�1至�6種不等。本文分析了鷺鳥棲息地的現況， 並與以往比較，作為未來香港鷺鳥保育的參考。 Introduction Objectives Ardeids are a major group of waterbirds...

... delayed up to 2 months post stocking. Infected fish become weak, floating near the surface, darkened and die with wide opened mouths with little external lesions. Splenic (脾臟的) enlargement, necrosis and congestion are observed. Pale gills indicating anaemia may be present (Fig. 21). Diagnosis of GID is...

... delayed up to 2 months post stocking. Infected fish become weak, floating near the surface, darkened and die with wide opened mouths with little external lesions. Splenic (脾臟的) enlargement, necrosis and congestion are observed. Pale gills indicating anaemia may be present (Fig. 21). Diagnosis of GID is...

... delayed up to 2 months post stocking. Infected fish become weak, floating near the surface, darkened and die with wide opened mouths with little external lesions. Splenic (脾臟的) enlargement, necrosis and congestion are observed. Pale gills indicating anaemia may be present (Fig. 21). Diagnosis of GID is...

... delayed up to 2 months post stocking. Infected fish become weak, floating near the surface, darkened and die with wide opened mouths with little external lesions. Splenic (脾臟的) enlargement, necrosis and congestion are observed. Pale gills indicating anaemia may be present (Fig. 21). Diagnosis of GID is...

...(Graminicola striatus) 的生態研究，發現大草鶯於本港的分布與舊 有記錄相似，估計現時本港的大草鶯數目約有490隻，其生境於三 月至九月主要為海拔200米以上、長度及密度高的草地，而芒屬則 是其生境中覆蓋率最高的植物。 Background The Chinese Grassbird (Graminicola striatus, 大草鶯) (Fig. 1) is a newly recognised species that has been split from the Indian Grassbird (G. bengalensis; formerly known as the Rufous...

...(Graminicola striatus) 的生態研究，發現大草鶯於本港的分布與舊 有記錄相似，估計現時本港的大草鶯數目約有490隻，其生境於三 月至九月主要為海拔200米以上、長度及密度高的草地，而芒屬則 是其生境中覆蓋率最高的植物。 Background The Chinese Grassbird (Graminicola striatus, 大草鶯) (Fig. 1) is a newly recognised species that has been split from the Indian Grassbird (G. bengalensis; formerly known as the Rufous...

...(Graminicola striatus) 的生態研究，發現大草鶯於本港的分布與舊 有記錄相似，估計現時本港的大草鶯數目約有490隻，其生境於三 月至九月主要為海拔200米以上、長度及密度高的草地，而芒屬則 是其生境中覆蓋率最高的植物。 Background The Chinese Grassbird (Graminicola striatus, 大草鶯) (Fig. 1) is a newly recognised species that has been split from the Indian Grassbird (G. bengalensis; formerly known as the Rufous...