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Undergrowth vegetation analysis in the old coconut stands in the Pari Island was
undertaken, to determine the structure and floristic composition in relation with theirÂ habitat characteristics. Physiognomically, the undergrowth vegetation typified by grassesÂ community with Ischaemum muticum (Importance Value: 122.94%) and ImperataÂ ylindrica (Importance Value: Â 5.45%) to be a dominant and co-dominant species,respectively. Floristically, the grasses community consists of 27 families along with theirÂ 56 genera and 58 species. Amongst those, only 15 species belong to a weed componentÂ and can be classified as principal and common weed species in the agricultural land inÂ Indonesia. The grasses community has four common families in term of their highest
number of species, viz Compositae, Euphorbiaceae, Leguminosae and Poaceae.
Based on the ordination technique of Principal Component Analysis (PCA) three distinctÂ groups of the vegetation component can be recognized as (i) pes-caprae formation, (ii)Calophyllum formation and (iii) transition community zone. The spatial distribution ofÂ prevalent species in relation with their habitat characters was discussed. Generally, theÂ grasses community can be classified into secondary vegetation of the small island.Keywords : Vegetasi bawah, pohon kelapa, kenanekaragaman jenis, mitigasi,pengelolaan terpadu pesisir dan laut, Pulau Pari, Teluk Jakarta
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