Aquarium guide
Aquarium guide     

  
 
ORIGIN AND VARIETY OF PLANTS
 

ORIGIN AND VARIETY OF PLANTS

The vast majority of aquatic plants are not taken from the wild but are grown by specialist firms. These plants serve as decorative elements in the aquarium, but this is not their only role, as they also contribute to its ecological balance, especially via their production of oxygen when in the light.


<< PLANTS THE ORIGIN OF AQUARIUM PLANTS >>
© 2007-2025 aquaguide.net
"ШЕВРОН" (Chevron) , нефтяная компания США. Основана в 1879, до 1984 - "Стандард ойл компани оф Калифорния". Объем продаж 25,2 млрд. дол., чистая прибыль 1,8 млрд. дол., добыча нефти 48,5 млн. т, переработка 95 млн. т, в т. ч. ок. 75% в США; число занятых 54 тыс. человек (кон. 1980-х гг.).