00483nam a2200157Ia 450000500170000000800410001702000180005804100080007608200160008410000150010024500240011526000470013930000100018665001130019670000160030920191125165049.0190710s9999    xx            000 0 und d  a0 7069 0754 X  aeng  a581.5 B868E  aBrij Gopal 0aElements of ecology  aNew Delhib: Vikas Publishing House,c1979  a200p.  aBiology - Botany a| Ecology a| Population ecology a| Applied ecology a| Community Dynamicsa| Ecosystem   aBhardwaj, N