第63回TREEセミナー(2013年3月25日)
最終更新：
treeseminar 2013年04月15日(月) 13:46:34履歴
第63回TREEセミナー予告 
3月25日(月曜日) 17:00 〜 18:00
場所:東邦大学理学部5号館5207教室（東邦大学理学部へのアクセス）
場所:東邦大学理学部5号館5207教室（東邦大学理学部へのアクセス）
The Japanese Marine Tsunami Debris Species Test Invasion Theory
Jhon Chapman
(Fisheries and Wildlife, Oregon State University)
要旨
Mild-latitude ocean drift crossings by costal Asian species to North America on floating objects were unknown previous to 2012.
On 5 June 2012, a float from Misawa, Japan, covered with Asian algae and invertebrates, appeared on Agate Beach, Oregon.
North Pacific crossings from Asia to North America,
by open ocean pelagic species on floating objects carried by ocean currents has been observed for at least 200 years.
The tsunami debris are different than natural drifting objects.
The tsunami debris are new source for species introductions across the North Pacific.
Comparisons of the relative survival and persistence of debris species communities are providing powerful tests of invasion theory predictions.
(Fisheries and Wildlife, Oregon State University)
要旨
Mild-latitude ocean drift crossings by costal Asian species to North America on floating objects were unknown previous to 2012.
On 5 June 2012, a float from Misawa, Japan, covered with Asian algae and invertebrates, appeared on Agate Beach, Oregon.
North Pacific crossings from Asia to North America,
by open ocean pelagic species on floating objects carried by ocean currents has been observed for at least 200 years.
The tsunami debris are different than natural drifting objects.
The tsunami debris are new source for species introductions across the North Pacific.
Comparisons of the relative survival and persistence of debris species communities are providing powerful tests of invasion theory predictions.
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