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All Journal Jurnal Penelitian Hutan dan Konservasi Alam Proceeding Biology Education Conference
Adi Susilo
Pusat Penelitian dan pengembangan Hutan
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RESPONS BURUNG BAWAH TAJUK TERHADAP SISTEM PENGELOLAAN TPTI DAN TPTII/SILIN Adi Susilo; Indra A.S.L.P. Putri
Jurnal Penelitian Hutan dan Konservasi Alam Vol 15, No 2 (2018): Jurnal Penelitian Hutan dan Konservasi Alam
Publisher : Pusat Penelitian dan Pengembangan Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphka.2018.15.2.91-109

Abstract

Penelitian ini bertujuan mengetahui respon burung bawah tajuk terhadap pengelolaan hutan produksi di PT Balikpapan Forest Industries (BFI). Pengamatan populasi burung dilakukan pada tiga blok hutan yakni blok hutan sistem TPTI (11 tahun), blok hutan sistem TPTII/SILIN (4 tahun) dan blok hutan sistem TPTII/SILIN (1 tahun). Sepuluh buah jala kabut masing-masing berukuran 10 m (panjang) x 4 m (tinggi) dipasang secara bersambungan pada setiap blok hutan. Jala kabut dibuka jam 06.00, ditutup 17.00 dan diperiksa setiap 15 menit sekali. Analisis data dilakukan menggunakan indeks keragaman jenis Shannon-Weinner, indeks dominansi Simpson, indeks kekayaan jenis Margalef dan indeks kesamaan komunitas. Selama penelitian, 164 ekor burung dari 35 jenis telah tertangkap. Nilai indeks kesamaan Sorenses di bawah 50% yang berarti bahwa komposisi jenis burung berbeda diantara skema manajemen. Namun demikian test Kruskal Wallis menunjukkan tidak ada perbedaan yang nyata di antara skema manajemen dalam hal jumlah individu, jumlah jenis dan jumlah familia. Hal ini menunjukkan bahwa komposisi jenis burung berbeda tetapi tidak berbeda dalam kekayaan jenis.
Asosiasi Jenis-jenis Pohon Dominan di Cagar Alam Gunung Tilu Adi Susilo
Proceeding Biology Education Conference: Biology, Science, Enviromental, and Learning Vol 15, No 1 (2018): Proceeding Biology Education Conference
Publisher : Universitas Sebelas Maret

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Abstract

Association is a relationship between living things in an environment. Between two plants species, for example, there can be a linkage. Positive associations occur when a plant species occur along with other specific plant species while negative associations occur in the opposite condition. The purpose of this research was to identify the association among the dominant tree species in the Mount Tilu Nature Reserve by making a permanent plot of 100 m x 100 m divided into 25 subplots of  20 m x 20 m to inventory the trees. On each subplot, a smaller size 5 m x 5 m and 1 m x 1 m plots were nested to inventory successively saplings and seedlings. The dominant tree species were determined by vegetation analysis. The association indexes were calculated by a contingency table of 2 x 2 accompanied by association coefficient. The Result showed that the vegetation composition on the tree level consists of 8 families, 11 genera 16 species, on sapling level consist of  9 families, 10 genera, 12 species and on the seedling level consist of 9 families, 9 genera, and 12 species. The dominant species on tree level were Litsea accedentoides, Lithocarpus sundaicus, Litsea javanica and Liquidambar excelsa, on the sapling level were Schima wallichii, Liquidambar excelsa, Eupatorium triplinerve and Schefflera aromatica, on the seedling level were Schima wallichii, Ficus padana, Antidesma montanum and Nikolai speciosa.  The association analysis showed that Litsea javanica and Lithocarpus sundaicus were significantly associated negatively in contrary Litsea accedentoides and Lithocarpus sundaicus significantly associated positively
Peran Hutan Produksi dalam Pelestarian Avifauna Adi Susilo
Proceeding Biology Education Conference: Biology, Science, Enviromental, and Learning Vol 15, No 1 (2018): Proceeding Biology Education Conference
Publisher : Universitas Sebelas Maret

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Abstract

Impaired forests by logging may still have a role in germplasm conservation. This study aims to determine the diversity of understory bird species in production forests to identify how important the role of logged-over forests in maintaining diversity and preserving species of birds, especially understory birds. The research was conducted at PT Balikpapan Forest Industries (BFI) and PT Triwira Asta Bharata, East Kalimantan. Observations were made on various logged-over forest blocks with varying degrees of damage ranging from minor to severe.  Data were collected in 32 days at PT BFI and 12 days at PT Triwira Asta Bharata.  Every day 24 mistnets of 10 m x 4 m were opened from 06:00 until 17:00 (11 hours/day) and checked every 15 - 30 minutes. The trapped birds were identified and released immediately. The study captured 696 birds consisting 105 species of 28 families.  There are 20 species from 4 families listed as protected species under Government Regulation (PP No. 7/1999) on the preservation of plant and animal species. Based on Strategic Guidance of National Species Conservation 2008 - 2018, 14 species from 5 families were included in the conservation priority list. When referring to the IUCN Red List, there are 75 species bearing conservation status of Least Concern, 28 species Near Threaten and 2 species Vulnerable. Two species were listed in Appendix II CITES.  From these figures, it is concluded that production forests that have been logged still have an important role in maintaining the diversity and preserving understory birds.
Co-Authors Indra A.S.L.P. Putri