Dina Naemah
Faculty of Forestry, Lambung Mangkurat University, Banjarbaru

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Journal : JURNAL HUTAN TROPIS

TINGKAT KEMERATAAN JENIS GULMA DI AREAL HUTAN SKUNDER Naemah, Dina; Fitriani, Adistina; Rachmawati, Normaela; Payung, Damaris
Jurnal Hutan Tropis Vol 12, No 3 (2024): Jurnal Hutan Tropis Volume 12 Nomer 3 Edisi September 2024
Publisher : Lambung Mangkurat University-Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jht.v12i3.20559

Abstract

Undergrowth and weeds function as soil cover, prevent erosion, and provide habitat for various small fauna. The presence of these plants also affects the nutrient cycle and soil quality. Undergrowth have an important role in maintaining the balance of the forest ecosystem. Variations in undergrowth species and density can be influenced by factors such as light intensity, soil moisture, and interactions with other plants. This research underscores the importance of undersgrowth conservation as part of a sustainable forest management strategy. Research was carried out in secondary forests that were established for specific purposes. Data collection was carried out through field surveys involving direct observation, vegetation sampling. Analysis was carried out to identify the type and level of mastery of each type based on the density and frequency of the types that appeared in the observation plots. Apart from inventorying weed types, this research aims to see the diversity and evenness values in the observation area. The findings show that the undergrowth and weeds in secondary forests, in this case the sengon plant (Paraserianthes falcataria) have 17 types belonging to 7 families, the diversity value (H') is 2.35 and the evenness index (E) is 0.83.
STRUKTUR DAN KOMPOSISI MAKROFAUNA TANAH PADA TEKAGAN KAYU KUKU (Pericopsis moonianaI Thw.) Naemah, Dina; Fitriani, Adistina; Satriadi, Trisnu; Aryadi, Mahrus
Jurnal Hutan Tropis Vol 13, No 4 (2025): Jurnal Hutan Tropis Volume 13 Nomer 4 Edisi Desember 2025
Publisher : Lambung Mangkurat University-Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jht.v13i4.25064

Abstract

Penelitian ini bertujuan untuk menganalisis struktur, komposisi, dan keanekaragaman makrofauna tanah di tegakan Pericopsis mooniana. Hasil penelitian menunjukkan bahwa makrofauna tanah terdiri dari 14 spesies yang termasuk dalam enam famili, dengan Insecta sebagai kelompok dominan. Nilai indeks keanekaragaman Shannon–Wiener (H′) sebesar 1,675 menunjukkan tingkat keanekaragaman yang moderat, yang mengindikasikan ekosistem yang relatif stabil dengan kompleksitas komunitas yang terbatas. Struktur komunitas ditandai dengan dominasi kuat semut hitam (Lasius fuliginosus), yang menunjukkan kepadatan relatif tertinggi (56,32%) dan indeks kepentingan (67,86%), yang mengindikasikan signifikansi ekologis Formicidae dalam proses tanah. Kehadiran organisme pengurai utama seperti cacing tanah (Lumbricus rubellus) menunjukkan bahwa fungsi biologis tanah yang penting, termasuk dekomposisi dan agregasi tanah, masih berfungsi dengan baik. Variasi komposisi makrofauna dipengaruhi oleh faktor lingkungan seperti ketersediaan serasah, kondisi tanah, kelembaban, dan gangguan antropogenik minimal. Secara keseluruhan, komunitas makrofauna tanah di tegakan P. mooniana mencerminkan ekosistem tanah yang berfungsi dan mendukung penggunaan makrofauna tanah sebagai indikator biologis untuk pengelolaan hutan berkelanjutan dan konservasi tegakan P. mooniana.