Dietary manipulations affecting the color diversity of the sea urchin Tripneustes gratilla (echinodermata echinoidea) in Balaoan, La Union מאת Adena, Czarlyn Maris C., Calusin, Irish Joyce C., Soriano, Kristine Grace V.

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Distribution of sea urchins in Punta Dumalag, Matina Aplaya, Davao City מאת Sonico, Marnie Grace I.

Notes on the Gracious Sea Urchin Tripneustes gratilla (Echinodermata Echinoidea) in Pag-asa Island, Kalayaan, Palawan, Philippines מאת Balisco, Rodulf Anthony T.

Embryotoxicity of copper and zinc in tropical sea urchin tripneustes gratilla מאת Edullantes, Brisneve

Cage culture of sea urchins in La Union

Effect of type of feed, stocking density and grow-out site on gonad index, growth and survivorship of cultured sea urchin (Tripneustesgratilla) מאת Juinio-Meñez, Marie Antonette

Socio-economic profile of the sea urchin fishermen in Nalvo, Sta. Maria, Ilocos Sur מאת Segismundo, Alma Bolante

Socio-economic profile of the sea urchin fishermen in Nalvo, Sta. Maria, Ilocos Sur מאת Segismundo, Alma Bolante

Sea urchin control gives life to Ilocos coastal villages מאת Cimatu, Frank

Development of sea urchins, ascidians, and other invertebrate deuterostomes experimental approaches

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