OCCURRENCE AND DISTRIBUTIONAL RANGE OF MANGROVE VASCULAR FLORA OF CATANDUANES ISLAND, LUZON, PHILIPPINES

JIMMY TEVAR MASAGCA

Abstract


Mangroves play very significant roles not only on the economic aspects but also on
the ecological aspects as biobelting for tidal surges and tsunamis. The loss of human lives
due to the deadly tsunamis in East Asia and the unabated destruction of coastal vegetation
have resulted in a renewed focus on the mangrove resources. The purpose of this paper is to
report the existing mangrove database of the typhoon-prone island province of Catanduanes
in Luzon, Philippines which will be used as bases in determining the appropriate educational
management initiatives of various sectors for mangrove rehabilitation and regeneration.   A
total of 37 species of mangrove vascular flora (13 species of major mangrove elements, 10
species of minor mangrove elements and 14 associated mangrove species) were identified in
the island under study. Two species of the genus Avicennia (A. marina and A. officinalis) were
noted in the island. The other genera (Bruguiera, Ceriops, Sonneratia and Rhizophora) are well
distributed in the designated eco-zones. Nypa fruticans is the most important mangrove plant
species and a member of the screwpine family (Pandanaceae), Pandanus tectorius which is an
associated mangrove species is well-distributed all throughout the island.
Key words:  Mangroves, vascular flora, Catanduanes, Philippines, occurrence and
distribution.

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DOI: http://dx.doi.org/10.11598/btb.2008.15.2.68

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