Judul: Hubungan Sifat Fisik Tanah terhadap Aliran Permukaan dan Erosi pada Lahan Berteras Gulud
Abstrak: Erosi merupakan penyebab utama terjadinya kerusakan lahan di Indonesia. Berbagai cara dapat dilakukan untuk mencegah terjadinya erosi diantaranya adalah dengan membuat teras gulud. Pencegahan erosi diharapkan dapat mempertahankan sifat fisik dan kimia tanah sehingga tanah yang mengalami tingkat erosi rendah mempunyai sifat fisik dan kimia yang lebih baik. Memperbaiki sifat fisik tanah diharapkan dapat mempertahankan kapasitas tanah agar mampu untuk mengendalikan laju aliran permukaan dan menurunkan tingkat erosi. Perlakuan teras gulud sangat berpengaruh dalam menurunkan aliran permukaan dan erosi. Tidak ada hubungan antara kondisi sifat fisik terhadap besarnya aliran permukaan dan erosi. Tanah yang memiliki sifat fisik lebih baik dibandingkan dengan tanah lainnya tidak menjadi jaminan dapat mengurangi laju aliran permukaan dan erosi yang besar dalam suatu kondisi lahan.
Keyword: Aliran permukaan, teknik konservasi, erosi, sifat fisik

Judul: Aliran Permukaan dan Erosi pada Berbagai Perlakuan Teras Gulud.
Abstrak: Erosi merupakan peristiwa terangkutnya tanah yang menyebabkan tanah mengalami kemunduran sifat fisik dan kimia tanah yang dapat mengakibatkan terganggunya pertumbuhan tanaman. Teknik konservasi tanah dan air yang dapat dilakukan untuk mengurangi erosi adalah teras gulud. Efektifitas teras gulud dapat ditingkatkan dengan tanaman penutup teras seperti Arachis pintoi dan Vetiveria zizanioides dan penambahan lubang resapan biopori. Hubungan curah hujan terhadap aliran permukaan dan erosi, serta pengaruh perlakuan teras gulud yang ditanami Arachis pintoi dan Vetiveria zizanioides serta penambahan lubang resapan biopori dipelajari dalam satu set plot erosi di Kebun Pendidikan Cikabayan, Dramaga. Hasil penelitian menunjukkan bahwa aliran permukaan dan erosi tidak selalu sejalan dengan curah hujan. Hal ini dimungkinkan karena adanya peranan dari teras gulud, tanaman penguat teras, lubang resapan biopori, kondisi tutupan lahan dan curah hujan sebelumnya. Perlakuan teras gulud yang diperkuat dengan tanaman penguat teras seperti Arachis pintoi dan Vetiveria zizanioides serta dilengkapi lubang resapan biopori sangat efektif menurunkan aliran permukaan dan erosi.
Keyword: aliran permukaan, Arachis pintoi, erosi, teras gulud, Vetiveria zizanioides

Judul: The isolation and molecular identification of papillomavirus in macaca fascicularis and macaca nemestrina at animal facility of primate research centre – Bogor Agricultural University.
Abstrak: Cervical cancer is still regarded as a major cause of death in women world wide, hence research on papilloma viruses, their drugs and vaccines for the prevention are still continued. Papilloma virus is a DNA virus of the family papillomaviridae. Papilloma virions have no sheath, the diameter of 55 nm, and icosahedral capsid. The virus multiplies in the cell nucleus and causes chronic latent infection. The virus genome has a circular form, 8 kbp in length with 8 open reading frames. The genome is divided into early (E) and late (L) genes. The E gen synthesizes 6 E proteins, namely E1, E2, E4, E5, E6 and E7, which are linked into the process of viral replication and oncogenes. Meanwhile, the L gene synthesizes 2 proteins, the L1 and L2, which are related to the formation of the capsid (Hakim 2010). In order to obtain the best result of the cancer research, it is highly requested to obtain appropriate animal model that reflect aspects of human disease. Non-human primates have high similarity with humans, both in terms of the evolution of the genetic, anatomical, physiological, biochemical and organ systems, as well as in cancer genes. Non-human primates of the genus Macaca is a genus with the highest distribution worldwide, from Japan to Afghanistan. So far, there are 22 species are included in the genus Macaca. Originally rhesus monkeys or M. mulatta are widely used for biomedical research, but since the Indian government imposed a ban on importing these animals, then Macaca fascicularis (Long-tailed Macaque, cynomolgus) and Macaca nemestrina (Pig-tailed Macaque), which has high population in Southeast Asia, began to be used as research animal. Various medical aspects related to both species are commonly studied by many researchers as an animal model for human diseases. This study is using the polymerase chain reaction (PCR) method and nucleotide tracking to identify papillomavirus tipes that infect the genital tract of Macaca fascicularis and Macaca nemestrina, which is kept in breeding facilities of Primate Research Center, IPB. The analysis of nucleotide sequences were performed using the Clustal W 2.1 and 5.1 Mega program. The establishment of phylogenetic tree using neighbor joining with 1000 times bootstrap repetition. The results showed that the papillomavirus that infect Macaca fascicularis was 32.7% (78/238) and Macaca nemestrina 12% (4/31). Both species were infected by Macaca fascicularis papillomavirus (MfPV) tipe 3, 4, 5, 7 and 9, belongs to the genus Alpha papillomavirus with homology of 80 - 100%. Papilloma virus that infected the pig-tailed macaque was the same tipe of papillomavirus that infected the cynomolgus with similarity between 82% - 99% based on L1 region. To further explain the tipes of papilloma viruses that infected the pig-tailed macaque, it is necessary to identify the entire genome of the virus. To determine the tipe of the virus, it requires the identification of a more complete nucleotide sequence. It is interesting because papillomavirus that infected the pigtail macaques has 76% homology with the HPV tipe 52. This is the first report on the incidence of papillomavirus infection in the pigtail macaque genome that further analysis
Keyword: Papillomavirus, cervic cancer, animal model, Macaca fascicularis, Macaca nemestrina