Tracing metal concentrations in egg strings of sea hare, Dolabella auricularia from Pujada Bay

Tayone, Janeth C.

International Journal of Advanced and Applied Sciences

Int. j. adv. appl. sci.

EISSN: 2313-3724

Print ISSN: 2313-626X

Volume 4, Issue 2 (February 2017), Pages: 134-138

Title: Tracing metal concentrations in egg strings of sea hare, Dolabella auricularia from Pujada Bay

Author(s): Janeth C. Tayone *

Affiliation(s):

Institute of Agriculture and Life Sciences, Davao Oriental State College of Science and Technology, City of Mati, 8200, Davao Oriental, Philippines

https://doi.org/10.21833/ijaas.2017.02.022

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Abstract:

The egg strings of sea hare, Dolabella auricularia are economically important to the local fisher folks in Davao Oriental. These are gathered for food consumption or sold in the market. The province of Davao Oriental is one of the country’s tourist destinations. Increasing anthropogenic activities are inevitable which can contribute to the levels of trace metal concentrations in the area. The primary purpose of this study was to determine the concentrations of Fe, Zn, Cd, Hg and Pb using atomic absorption spectrophotometer. Trace metals average concentrations in egg strings were found to be 175.67 µg g^-1 for Fe, 282.00 µg g^-1 for Zn, 0.98 µg g^-1 for Cd, 0.01 µg g^-1 for Hg and 6.94 µg g^-1 for Pb. The Fe and Zn concentrations can supplement the body’s requirement needed for normal growth and development based on the Recommended Energy Nutrient Intakes for Filipinos. Moreover, the mercury concentration was lower than the existing standard set by FAO No. 21 of 2001. However, the amount of Cd and Pb were noticeably higher than the maximum level. This investigation represents the first study so far on the levels of trace metals in egg strings of sea hare from Pujada Bay, Davao Oriental. The results of this study provide baseline information for the conduct of further investigation to monitor and evaluate the trace metal concentrations and the contributing anthropogenic activities. These will help the local government in the formulation of policies for a sustainable development.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

Keywords: Dolabella auricularia, Egg strings, Pujada Bay, Sea hare, Trace metal

Article History: Received 27 October 2016, Received in revised form 14 February 2017, Accepted 14 February 2017

Digital Object Identifier:

https://doi.org/10.21833/ijaas.2017.02.022

Citation:

Tayone JC (2017). Tracing metal concentrations in egg strings of sea hare, Dolabella auricularia from Pujada Bay. International Journal of Advanced and Applied Sciences, 4(2): 134-138

http://www.science-gate.com/IJAAS/V4I2/Tayone.html

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