Judul: Filogeografi Intraspesies Gelatik (Padda Oryzivora (L).) (Passeriformes : Ploceidae) di Pulau Bali
Abstrak: Pada masa yang akan datang dikhawatirkan gelatik (Padda oryzivora (L.)) di Bali mengalami ancaman kepunahan. Oleh karena itu, upaya-upaya untuk mencegah gelatik dari ancaman kepunahan hams diprioritaslcan. Akan tetapi sebelum upaya tersebut dilakukan, maka unit-unit konservasi perlu diidentifikasi terlebih dahulu. Penelitian ini dilakukan dengan maksud mempelajari pola-pola filogeografi gelatik di Bali. Sebanyak tiga penanda (morfometri, gambaran darah dan genetik) digunakan untuk mengidentifikasi unit konservasi gelatik. Selain itu, penelitian ini juga mencakup profil vegetasi dan avifauna dari kawasan tempat mencari makan gelatik di Bali.
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Judul: Pantai Perancak di Kabupaten Jembrana, Bali sebagai Habitat Peneluran Penyu Lekang (Lepidochelys olivacea E.)
Abstrak: Populasi penyu laut di Indonesia kini cenderung semakin menurun akibat perburuan dan kurangnya upaya perlindungan di habitatalaminya. Perbuman yang terus berlanjut ini didorong oleh nilai ekonomis penyu, baik daging, telur maupun karapasnya. Daging penyu merupakan bagian dari sajian makanan utama dalam upacara adat Bali dan bagian karapas dipergunakan sebagai bahan baku untuk industri kerajinan barang-barang suvenir. Penangkapan penyu laut yang berlebihan dan peningkatan kemsakan pantai yang menjadi habitat peneluran penyu laut karena aktifitas manusia terutama untuk kepentingan wisata bahari menyebabkan terancamnya kelestarian penyu laut di alam. Untuk menjaga kelestarian penyu laut tersebut perlu adanya usaha konservasi secara insitu dan ex-situ yang didukung dengan kesadaran dan partisipasi aktif dari masyarakat.
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Judul: Hybrid solar cells of ZnO nanoparticles/chlorophyll was modified metal ions (Zn2+ and Cu2+ )
Abstrak: Zinc Oxide (ZnO) is a n-type semiconductor with a wide the energy band (Band Gap) is 3.37 eV at room temperature and 3.34 eV at low temperature with a large exiton binding energy is 60 meV. ZnO has been synthesized by hydrothermal method, resulting in a decrease in particle size over the duration of the hydrothermal changes. Crystallographic structure of ZnO were characterized using XRD, has shown the characteristic pattern of a hexagonal wurtzite structure, the crystallite size increases to changes in particle size. Changes in particle size has also led to a change in the absorption peak of ZnO as has been demonstrated posted under test using the optical properties of UV-Vis spectrophotometer. Changes of this uptake has also led to changes in the energy band gap, which increases its band gap energy of the particle size. In electronic applications, especially in solar cells. Chlorophyll is considered less effective, because of their very nature are easily degraded as a result of several reactions which are acid, lighting and temperature. The results of the stability test using a halogen lamp 34 W/m2 for 5 hours, that the substitution of chlorophyll with metal ions Zn2+ and Cu2+ has been shown to form more stable than natural chlorophyll. The characterization of the optical properties, the combination of ZnO / chlorophyll in the form of hybrid films has led to a shift in the absorption region of ZnO becomes more widely from the UV to Visible. ZnO/chlorophyll has absorption range of 350-515 nm, ZnO / Zn-feofitin 332-401 nm and 332-632 nm for Cu-feofitin. The combination of ZnO/chlorophyll and CuSCN as a solid electrolite in hybrid solar cell, a modified chlorophyll with metal ions Zn2+ and Cu2+ has been shown to form a more stable I-V curve. It is characterized by its fill factor value greater than natural chlorophyll. Nevertheless, solar cells with natural chlorophyll has been able to produce higher efficiency values of chlorophyll were substituted.
Keyword: Hydrothermal, ZnO/Chlorophyll modified, Hybrid Solar Cell