Complex sentence: The diversity of Turkey's fauna is even greater than that of its flora: whilst the number of animal species throughout Europe as a whole is about 60,000 in Turkey there are over 80,000 (over 100,000 counting subspecies).
Split into simpler sentences: The diversity of Turkey's fauna is even greater than that of its flora. The number of animal species throughout Europe as a whole is about 60,000; in Turkey there are over 80,000 (over 100,000 counting subspecies).