生態系乱す「カナダガン」を根絶 特定外来生物で初
環境省は8日、近縁種と交雑して生態系に重大な影響を及ぼす恐れのある特定外来生物「カナダガン」を根絶したと発表した。特定外来生物の根絶は初めて。 カナダガンは北米原産で、翼を広げると2メートル近くなる大型のガン。絶滅危惧種で日本原産のシジュウカラガンと交雑 ...
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December 8, 2015 at 8:03pm Vocabulary List
Ministry of the Environment
61875
edge
51525
seed / pip / kind / variety / quality / tone
97269
hybridization
79758
mode of life / ecology
112619
system / lineage / group
72876
serious / important / significant / grave / weighty
99472
influence / effect
50444
specific / special / particular
136823
external origin / imported
58754
raw food / perishables
112662
Canada
13965
eradication / extermination
85257
specific / special / particular
136823
external origin / imported
58754
raw food / perishables
112662
eradication / extermination
85257
Canada
13965
North America
155724
place of origin / habitat
76104
wing
163918
large / large scale / big / jumbo
123534
destruction / extinction
115377
fear / misgivings
63484
seed / pip / kind / variety / quality / tone
97269
Japan
139388
place of origin / habitat
76104
great tit (Parus major)
20099
hybridization
79758
mode of life / ecology
112619
system / lineage / group
72876
Canada
13965
eradication / extermination
85257
specific / special / particular
136823
external origin / imported
58754
raw food / perishables
112662
first / new
100900
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