Department of Environment and Natural Resources

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Water Hyacinth Studies

Requested from DENR by Darlene Carvajal at 11:09 AM on Aug 01, 2019.
Purpose: Thesis Research
Date of Coverage: 08/01/2019 - 08/01/2019
Tracking no: #DENR-310689227876

Darlene 11:09 AM, Aug 01, 2019

Good day! I would like to request for the following information that will serve as basis for my thesis paper:
- Data or studies regarding Water Hyacinth in the Philippines 
- Population Growth of Water Hyacinth (2015-2019)
- Data or Percentage of Water Hyacinth that can be used into making crafts (2015-2019)
- Solutions to maintain these invasive plant on the waterways
- Plans/Developments to research more about Water Hyacinth and its uses (for medicine, construction, crafts, etc.)
-  Institutions that conducted researches on Water Hyacinth

Thank you very much.
August 7, 2019

Dear Darlene,


Thank you for your request dated Aug 01, 2019 under Executive Order No. 2 (s. 2016) on Freedom of Information in the Executive Branch.

Your request

You asked for Water Hyacinth Studies.

Response to your request

While our aim is to provide information whenever possible, in this instance this Office does not have  the information you have requested. However, you may wish to contact the Biodiversity Management Bureau (BMB) at (02) 924-6031-35 loc. 217, website: or at email add.; Ecosystems Research and Development Bureau (ERDB) at Tel No. (049) 536-2229 loc. 236 and email add.:

For further assistance you may review the FAQ section of the eFOI site:

Your right to request a review

If you are unhappy with this response to your FOI request, you may ask us to carry out an internal review of the response by writing to Sec. Roy A. Cimatu, DENR Central Office, Visayas Avenue, Diliman, Quezon City, tel. no. 926-3011, 929-6626 loc. 2258, Your review request should explain why you are dissatisfied with this response, and should be made within 15 calendar days from the date when you received this letter. We will complete the review and tell you the result within 30 calendar days from the date when we receive your review request.

If you are not satisfied with the result of the review, you then have the right to appeal to the Office of the President under Administrative Order No. 22 (s. 2011).

Thank you.

Jane G. Bautista
Chief, RMD/FOI Officer
Records Management Division
DENR Central Office
Visayas Avenue, Diliman, Quezon City
Tel. Nos. 926-8079
Email Add.:

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