Keanekaragaman Spesies Tumbuhan Asing Invasif di Resort Ranu Pani Taman Nasional Bromo Tengger Semeru

Abstract

Invasive Alien Species (IAS) is species of flora or fauna, including the microorganisms that live out of the native habitat. The IAS are growing rapidly cause it doesn’t has natural enemy, therefore it becoming weeds, pests, and diseases on native species. This study conducted on forest and savanna in Ranu Pani Resort. Vegetation analysis in the forest was using combination of strip and line quadrat method. Five species of IAS that belong into 3 families are identified based on analysis result. Vegetation analysis in savanna was using quadrat method, and the result is 2 species of IAS was identified which is also found in the forest. Seven invasive species identified in this study and the result from Morishita index showed that 5 species has a clumped distribution patterns, there are Acacia decurrens, Ageratina riparia, Austroeupatorium inulifolium, Imperata cylindrica, and Tithonia diversifolia. Furthermore, the exploration result is 2 species of IAS has found, there are Ricinus communis and Lantana camara.