The Department of Science and Technology (DOST) in the region revealed that the city government of Davao will soon adopt vertical helophyte
technology to help filter wastewater coming from establishments.
The project aims to use vertical helophyte
plants to help filter the polluted waters.
Stengel, "Phytoremediation of selenium by two helophyte
species in subsurface flow constructed wetland", Chemosphere, 2003; 50(8): pp.
Distribution and growth of the helophyte
species Phragmites australis and Scirpus lacustris in water depth gradients in relation to wave exposure.
C Geophyte 1C castellanum Adenocarpus argyrophyllus C Microphanerophyte 1C Adenocarpus telonensis S Nanophanerophyte 2 Allium schmitzii NS Helophyte
2 Allium victorialis N Geophyte 1C Anarrhinum duriminium N Chamaephyte 2 Anarrhinum N Hemicriptophyte 1A longipedicellatum Anthemis alpestris N Chamaephyte 1C Antirrhinum cirrhigerum S Chamaephyte 2 Antirrhinum linkianum NS Chamaephyte 2 Anthyllis vulneraria N Chamaephyte 1A subsp.
Juusa the most frequently found helophyte
is Phragmites australis.
'To efficiently treat wastewater, a helophyte
filter will be used, which is composed of a sand filter planted with common reeds.
The other invention that President Duterte expressed interest is the vertical helophyte
filter which was developed by DOST-Davao.
DAVAO CITY -- The Department of Science and Technology (DOST) 11 will help the city government in constructing a vertical helophyte
filter system (VHFS), a technology that treats waste water at the city-run Ma-a Slaughterhouse this year.
ex Steud., the floating-leaved Nuphar lutea (L.), and the helophyte
Sparganium emersum Rehm.