00557nam a22001457a 4500003000400000005001700004008004100021040001400062100003000076245013900106260000900245300003100254500009900285504002700384OSt20171010095613.0130125t        xxu||||| |||| 00| 0 eng d  aMMSUcULS  aVisconde, Ma. Abigail C.   aPhytoplankton production in the euphotic zone of the mangrove area in Nagabungan bay, Pasuquin, Ilocos Norte cMa. Abigail C. Visconde  c2004  axviii, 62 leaves c28 cm.   aThesis (BS Biology) -- Mariano Marcos State University-College of Arts & Sciences, Batac City   aBibliography: leaf 34