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DOI:
https://doi.org/10.32585/jgse.v5i2.4610Abstrak
Tumbuhan berperan penting dalam menghasilkan zat organik dan oksigen yang diperlukan oleh makhluk hidup lain, namun tumbuhan dapat berpotensi mengancam dan mengganggu keanekaragaman tumbuhan lain yang menyebabkan kualitas keanekaragaman hayati menurun. Tumbuhan yang berkembang di Indonesia dapat berasal dari berbagai dunia, yang selanjutnya tumbuhan asing tersebut dapat menjadi invasif dan memberikan dampak negatif bagi ekosistem. Tujuan dari penelitian ini adalah mengetahui tingkat potensi ancaman tumbuhan asing invasif permudaan tiang-pohon di Kelurahan Laweyan dan dampak tumbuhan asing invasif terhadap lingkungan. Metode yang digunakan adalah sampling menggunakan citra satelit untuk menentukan titik pengamatan dan metode purpove sampling dengan membuat plot 10×10 m. Hasil yang didapatkan yaitu 4 spesies tumbuhan yang tergolong sebagai tumbuhan asing invasif di Kelurahan Laweyan yaitu Leucaena leucocephala, Cnidoscolus aconitifolius, Sandoricum koetjape, Bougainvillea glabra dengan tingkat risiko yang berbeda. Kategori risiko yang paling tinggi yaitu Leucaena leucocephala dengan indeks risiko 115.2 dan tinggi kedua adalah Bougainvillea glabra dengan indeks risiko 112.8, tingkat risiko sedang yaitu Cnidoscolus aconitifolius dengan indeks risiko 100.8 dan Sandoricum koetjape dengan indeks risiko 56.28.
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