Canonical Correspondence Analysis

CANONICAL CORESPONDENCE ANALYSIS OF PLANT COMMUNITY AT BUYAN-TAMBLINGAN LAKE FOREST AREAS BALI

Sutomo & I Dewa Putu Darma

UPT-BKT Kebun Raya “Eka Karya” Bali

Candikuning, Baturiti, Tabanan, Bali 82191

Email: sutomo.uwa@gmail.com

ABSTRACT

Canonical Correspondence Analysis (CCA) was conducted in the Buyan-Tamblingan forests areas to describe plant community’s distribution along environmental gradients. In the Buyan-Tamblingan forest areas, species are significantly distributed mainly along two gradients namely elevation and slope. Elevation gradients in axes 1 are capable to explain 42.8% of the total variability of species with correlation values 0.8. Rauvolfia was found at the lowest altitude, then as the elevation became higher, we can found species such as Ficus, Erythrina, Homalanthus, Panicum, Leucaena and Phyllanthus which was found at the highest elevation. Furthermore slope gradient in axes 2 capable to explain 19.1% of the total variability of species with correlation values 0.7. As the slope became steeper, we can found species such as Laportea, Solanum, Lucuma and Eucalyptus at the most steep area in the sampling sites.

Keywords: Canonical Correspondence Analysis (CCA), environment gradients, plant communities, Buyan-Tamblingan, Bali.

 Sutomo & Darma I. D. P. (2011) Canonical Corespondence Analysis of Plant Community at Buyan-Tamblingan Lake Forest Areas Bali. In: Konservasi Tumbuhan Tropika: Kondisi Terkini dan Tantangan ke depan (eds D. Widyatmoko, D. M. Puspitaningtyas, R. Hendrian, I. Fijridiyanto, A., J. R. Witono, R. Rosniati, S. R. Ariati, S. Rahayu and T. N. Praptosuwiryo) p. 429. UPT BKT Kebun Raya Cibodas-LIPI, Cibodas, Jawa Barat.