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حشرات اليعسوب التي تعبر المحيطات
644,572 views |
تشارلز أندرسون |
TEDIndia 2009
• November 2009
Read transcript
أثناء عيشه وعمله كعالم أحياء بحرية في المالديف، لاحظ شارلز آندرسون انفجاراً "يعسوبياً" في أوقات معينة من السنة. يشرح لنا كيف قام بتتبع مسار يعسوب عادي صغير يُعرَفُ باسم متصفح الكرة الأرضية، ليكتشف أنها تملك أطول هجرة في عالم الحشرات.
science
biology
biodiversity
insects
birds
india
ecology
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