keywords in short: English, German, Chinese, Russian, Hindi, Farsi (Persian), environmental, series of publications on environmental sciences: Umweltwissenschaften , 水生生物,экология,पर्यावरण विज्ञान,پایداری, حفظ محیط زیست,محیط زیست, keywords in short: English, German, Chinese, Russian, Hindi, Farsi (Persian), environmental, http://5bio5.blogspot.com/2017/01/keywords-in-short-english-german.html

keywords in short: 
English, German, Chinese, Russian, Hindi, Farsi (Persian), environmental, series of publications on environmental sciences:
http://5bio5.blogspot.com/2017/01/keywords-in-short-english-german.html
in English: aquatic organisms, water quality, water purification, 
in German: Umweltwissenschaften, Umweltschutz, Nachhaltigkeit, 
Chinese: 
水生生物,水质,水净化,
Russian: 
водные организмы, качество воды, очищение воды, экология,
English and Hindi:
Environmental science, पर्यावरण विज्ञान;
Natural resources, प्राकृतिक संसाधन;
Nature conservation, प्रकृति संरक्षण;
Protection of environment, पर्यावरण की सुरक्षा;
Water resources, जल संसाधन;
Water quality, पानी की गुणवत्ता;
پایداری, حفظ محیط زیست,محیط زیست, (Farsi, Persian) Sustainability, environmental protection, environment,