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Ditemukan 6 dokumen yang sesuai dengan query
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Muhammad Akmal Ariyananda
"Studi keanekaragaman spesies lumut hati dan lumut sejati di hutan kota Universitas Indonesia telah dilakukan pada Februari--November 2014. Pengambilan data dilakukan menggunakan metode jelajah bebas. Tercatat sebanyak 22 spesies lumut yang terdiri atas 8 spesies lumut hati dan 14 spesies lumut sejati. Spesies lumut hati yang ditemukan berasal dari 3 famili dan 5 genus, sementara spesies lumut sejati berasal dari 6 famili dan 8 genus. Spesies lumut hati yang ditemukan yaitu Calypogeia arguta, Frullania intermedia, Frullania muscicola, Cheilolejeunea intertexta, Cheilolejeunea ryukyuensis, Drepanolejeunea japonica, Lejeunea catanduana, Lejeunea curviloba. Spesies lumut sejati yang ditemukan yaitu Bryum apiculatum, Bryum atrovirens, Calymperes tenerum, Fissidens pseudoceylonensis, Fissidens strictulus, Fissidens zollingeri, Octoblepharum albidum, Barbula indica, Hyophila apiculata, Hyophila involuta, Hyophila javanica, Isopterygium minutirameum, Vesicularia dubyana, Vesicularia reticulata.

A study of liverworts and mosses at urban forest of Universitas Indonesia was conducted on February--November 2014. Data were collected using broad survey method. There were 22 species collected which were consisted of 8 liverworts and 14 mosses species. The liverworts derived from 3 family and 5 genus while mosses derived from 6 family and 8 genus. The liverworts species are Calypogeia arguta, Frullania intermedia, Frullania muscicola, Cheilolejeunea intertexta, Cheilolejeunea ryukyuensis, Drepanolejeunea japonica, Lejeunea catanduana, Lejeunea curviloba. The mosses species are Bryum apiculatum, Bryum atrovirens, Calymperes tenerum, Fissidens pseudoceylonensis, Fissidens strictulus, Fissidens zollingeri, Octoblepharum albidum, Barbula indica, Hyophila apiculata, Hyophila involuta, Hyophila javanica, Isopterygium minutirameum, Vesicularia dubyana, Vesicularia reticulata.
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Depok: Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2015
S58392
UI - Skripsi Membership  Universitas Indonesia Library
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Choirunnisa
"ABSTRAK
Makrozoobentos memiliki peran penting sebagai detritivor dalam ekosistem perairan. Komunitas makrozoobentos juga dapat dijadikan sebagai instrumen biomonitoring. Penelitian ini bertujuan untuk mengetahui komposisi, kepadatan, keanekaragaman, kemerataan, dan dominansi makrozoobentos di kawasan tambak Blanakan. Penelitian ini dilakukan pada bulan Februari sampai dengan Juni 2018. Sampel makrozoobentos diambil dari 3 stasiun yang masing-masing terdiri atas 3 tambak. Pengambilan sampel di setiap tambak dilakukan dengan metode purposive random sampling pada 3 titik dengan 2 kali pengulangan di setiap titik. Pengukuran faktor abiotik perairan dilakukan di setiap titik. Sampel makrozoobentos diidentifikasi dan dianalisis menggunakan indeks keanekaragaman Shannon-Wiener, indeks kemerataan Pielou, indeks dominansi Simpson, indeks similaritas Sorensen, dan uji-t. Hasil penelitian diperoleh enam spesies makrozoobentos dari 3 kelas yaitu Melanoides tuberculata, Brotia costula, Cerithidea cingulata, Nephtys inornata, Cossura sp., dan Erpobdella sp. Kepadatan spesies tertinggi di kawasan tambak Blanakan dimiliki oleh Brotia costula yaitu sebesar 10907 ind./m3. Keanekaragaman dan kemerataan makrozoobentos di tambak Blanakan tergolong rendah dan ada spesies yang mendominansi di tambak Blanakan. Tidak ada perbedaan keanekaragaman makrozoobentos pada ketiga stasiun.

ABSTRACT
Macrozoobenthos has an important role as detritivore in water ecosystem. Macrozoobenthos community also act as a biomonitoring instrument. The purpose of this study is to know the composition, density, diversity, evenness, and dominance of macrozoobenthos at Blanakan Fish Pond. This study was done from February to June 2018. Macrozoobenthos samples were collected from 3 stations and each station consist of 3 fish ponds. Sampling on each ponds was done by purposive random sampling on 3 sampling points with twice repetition on each point. Water abiotic factors sampling was done on each points. Macrozoobenthos samples were identified and analyzed using Shannon Wiener diversity index, Pielou evenness index, Simpson 39 s dominance index, Sorensen similarity index, and t test. The results showed that there are six species of macrozoobenthos from 3 classes found, which are Melanoides tuberculata, Brotia costula, Cerithidea cingulata, Nephtys inornata, Cossura sp., and Erpobdella sp. Highest species density at Blanakan Fish Ponds is Brotia costula, amounting to 10907 ind. m3. The diversity and evenness of macrozoobenthos at Blanakan Fish Ponds classified as low and there is a dominant species at Blanakan Fish Ponds. There is no difference between macrozoobenthos diversity on 3 stations."
2018
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UI - Skripsi Membership  Universitas Indonesia Library
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"Parameters abserved in research of the Effect of the wood fire on the under trees dynamics in North Sumatera were..."
Artikel Jurnal  Universitas Indonesia Library
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Noer Kholis, aauthor
"Penelitian komposisi dan keanekaragaman jenis ikan di ekosistem padang lamun dan mangrove di Muara Binuangeun, Kabupaten Lebak, Banten telah dilakukan pada bulan Mei dan November 2015. Metode yang digunakan selama penelitian adalah tangkapan per unit usaha (Catch per Unit of Effort / CPUE) dengan alat tangkap berupa push-net dan serokan ikan. Penangkapan ikan dilakukan ketika kondisi air laut surut. Telah diperoleh 392 sampel ikan yang berasal dari 20 famili dan 50 spesies. Ikan yang didapatkan pada ekosistem mangrove berasal dari 11 famili dan 28 spesies, dengan kelimpahan yang tertinggi pada Istigobius ornatus (19,81 %), sedangkan pada ekosistem padang lamun didapatkan 17 famili dan 38 spesies, dengan kelimpahan yang tertinggi pada Moolgarda sp. (17,13 %). Nilai H?, E, dan D pada kedua ekosistem relatif sama. Hasil tangkapan berdasarkan perbedaan waktu pengambilan sampel menunjukkan perbedaan komposisi spesies ikan yang hadir, khususnya Arothron immaculatus. Nilai indeks kesamaan Jaccard pada kedua ekosistem menunjukkan angka yang rendah (0,32).

Research of composition and species diversity of fish fauna in seagrass bed and mangrove ecosystem at Muara Binuangeun, Lebak, Banten had been conducted at May and November 2015. The method used during research was Catch per Unit of Effort (CPUE) with push net and boat net as fishing gear. Fishing was conducted during low tide. In total, 392 fish were captured from 20 family and 50 species. Fish were captured in mangrove ecosystem consist of 11 family and 28 species, with the most abundant species was Istigobius ornatus (19,81 %), and fish captured in seagrass bed ecosystem consist of 17 family and 38 species, with the most abundant species was Moolgarda sp. (17,13 %). H?, E, and D value for both ecosystem seemed relatively not different. But, the catch based on different fishing time displayed different fish composition, especially Arothron immaculatus. Both ecosystem showed low value for similarity index of Jaccard (0,32).
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Depok: Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2016
S64948
UI - Skripsi Membership  Universitas Indonesia Library
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Sri Supardi Wibowo
"Capung (Odonata) adalah organisme yang sangat efektif digunakan sebagai spesies indikator untuk penilaian habitat akuatik. Karena Odonata sangat spesifik terhadap pemilihan habitat dan menjadi spesies kharismatik di habitat akuatik. Penelitian ini bertujuan untuk membandingkan, menganalisis struktur komunitas Odonata, menginterpretasikan kualitas habitat dan melihat hubungan antara kualitas habitat terhadap distribusi spesies Odonata di Telaga Saat, Telaga Warna dan Telaga Biru dataran tinggi Bogor, Jawa Barat. Penelitian dilakukan pada bulan Mei-Agustus 2019. Pengambilan data spesies, jumlah individu Odonata dan variabel habitat menggunakan metode fixed point counts dengan 59 titik pengamatan. Analisis komunitas Odonata dilakukan dengan model kelimpahan spesies, indeks keanekaragaman spesies (Shannon-Wienner, Margalef, Simpson), indeks kemerataan dan indeks similaritas Jaccard. Kualitas habitat di tiga telaga dianalisis menggunakan Principal Component Analysis. Hasil penelitian menunjukkan bahwa kurva rarefaction di tiga telaga terlihat sudah mendatar atau mencapai titik asymptote. Kurva akumulasi spesies di Telaga Warna dan Telaga Biru tampak sudah mendatar atau mencapai titik asymptote, sedangakan Telaga Saat masih menaik tajam. Total 157 individu terdapat 11 spesies, 5 famili dan 2 subordo yang ditemukan di tiga telaga. 9 spesies di Telaga Saat, 6 spesies di Telaga Warna, dan 4 spesies di Telaga Biru. Tampak semakin tinggi suatu telaga cenderung semakin sedikit keanekaragaman spesies Odonata yang diperoleh. Telaga Saat memiliki nilai indeks keanekaragaman spesies paling tinggi, sedangkan Telaga Warna terendah. Telaga Biru memiliki nilai indeks kemerataan paling tinggi, sedangkan Telaga Warna terendah. Indeks similaritas Jaccard menunjukkan komunitas Odonata di Telaga Warna dan Telaga Saat paling mirip (Cj = 0.25). Variabel yang sangat mempengaruhi kualitas habitat di tiga telaga pada komponen 1 dan komponen 2 adalah intensitas cahaya dan oksigen terlarut. Kualitas habitat di Telaga Saat dan Telaga Warna terdapat kemiripan, sedangakan di Telaga Biru terpisah. Kemiripan kualitas habitat di kedua telaga ditunjukkan oleh variabel oksigen terlarut (DO), suhu air, dan keberadaan plastik. Terdapat 5 spesies Odonata memiliki korelasi signifikan dengan variabel habitat. A. pygmaea berkorelasi dengan kelimpahan (0.53), A. rubescens dengan kelembapan udara (0.52), tumbuhan akuatik A. philoxeroides (0.50), dan tumbuhan perdu (0.52), A. guttatus dengan tumbuhan akuatik Polygonum sp. (0.57), C. membranipes dengan ketinggian (0.66), suhu air (-0.56), tumbuhan akuatik Nasturtium sp. (0.74), Polygonum sp. (0.72), dan tumbuhan riparian (0.66), serta O. pruinosum dengan kekayaan spesies (0.55) dan kelimpahan Odonata (0.58). Untuk keberhasilan konservasi spesies Odoanta di tiga telaga harus dilakukan dengan cara melindungi habitatnya dari kerusakan dan modifikasi lahan.

The dragonfly (Odonata) was organism very successfull which used as indicator species for assessment of the aquatic habitat. Because their very specific toward preference the habitat and became flagship species in aquatic habitat. This research aims to compare, analyse the community structure of Odonata, interpret the habitat quality and seen the correlation between habitat quality to species distribution Odonata in the highland freshwater Lake Saat, Lake Warna and Lake Biru, Bogor, West Java. The research was conducted in May - August 2019. Data species, individual Odonata and variable habitat were collected using fixed point counts method at 59 observation point. Community of Odonata were analysed with species abundance model and diversity indices using Shannon-Wiener, Margalef and Simpson indices, as well as evenness index and similarities index using Jaccard method. The habitat quality in those lake were analyzed by Principal Component Analysis (PCA). The result showed that rarefaction curve in three lake have seem flattened or reached an asymptote. Species accumulation curve in Telaga Warna and Telaga Biru also flattened or reached asymptote point, while in Telaga Saat still showing increasing curve. A total of 157 individual of Odonata were recorded which belong to 11 species, 5 families and 2 suborder. At least 9 species were recorded in Telaga Saat, 6 species in Telaga Warna, and 4 species in Telaga Biru. It appears there will be more less species were recorded at high altitude. The index of species diversity of Odonata in Telaga Saat was the highest, while Telaga Warna was the lowest. The highest of evenness index was in Telaga Biru and the lowest was in Telaga Warna. The Jaccard index of similarity, it showed that Telaga Warna and Telaga Saat had the most similar communities (Cj = 0,25). The habitat quality in three lake were affected by variable light intensity on PC1 and dissolved oxygen on PC2. The habitat quality in Telaga Saat and Telaga Warna more similar quality at some points, while in Telaga Biru was separate. The similarity of habitat quality in two locations were showed from variables dissolved oxygen (DO), water temperature and emegernce of plastic. The correlation showed significant between five Odonata species and habitat variable. A. pygmaea was correlation with abundance (0.53), A. rubescens with humidity (0.52), A. philoxeroides (0.50), and shrub (0.52), A. guttatus with of Polygonum sp. (0.57), C. membranipes with altitude (0.66), water temperature (-0.56), Nasturtium sp. (0.74), Polygonum sp. (0.72), and riparian vegetation (0.66), as well as O. pruinosum with species richness (0.55) and abundance (0.58). The succesful for conservation of Odonata species in those lake must be protected the habitat from destruction and land modification."
Depok: Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2020
T54839
UI - Tesis Membership  Universitas Indonesia Library
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Siti Khorimatun
"Penelitian struktur komunitas mangrove asosiasi di kawasan tambak silvofishery Blanakan telah dilakukan sejak Februari hingga Agustus 2019. Penelitian ini bertujuan untuk mengetahui dan membandingkan struktur komunitas mangrove asosiasi yang dekat dan jauh dari sumber polutan logam berat di kawasan tambak silvofishery Blanakan, Subang, Jawa Barat, meliputi komposisi jenis, keanekaragaman, kemerataan, dominansi, kerapatan relatif, frekuensi relatif, penutupan relatif, dan Indeks Nilai Penting (INP). Data komunitas mangrove asosiasi diambil dari 3 stasiun, yang masing-masing terdiri atas 3 tambak. Pengambilan data di setiap tambak dilakukan dengan metode belt transect berukuran 1m × 100m sejumlah 4 belt transect. Pengukuran faktor abiotik dilakukan di setiap tambak. Mangrove asosiasi diidentifikasi dan dianalisis menggunakan indeks keanekaragaman Shannon-Wiener, indeks kemerataan Pielou, indeks dominansi Simpson, Kerapatan Relatif jenis, Frekuensi Relatif jenis, Penutupan Relatif jenis, dan Indeks Nilai Penting. Hasil penelitian diperoleh 19 jenis mangrove asosiasi dari 12 suku. Komposisi jenis komunitas mangrove asosiasi di stasiun II yang berada jauh dari sumber polutan logam berat, lebih banyak dibandingkan di stasiun I dan III yang berada dekat dengan sumber polutan logam berat. Keanekaragaman jenis mangrove asosisasi tinggi sementara penyebaran jenis hampir merata di setiap stasiun. Namun, tidak terdapat jenis yang mendominasi komunitas tersebut. Komunitas mangrove asosiasi dalam keadaan stabil dan faktor abiotik masih mendukung keberadaan komunitas tersebut. Chloris barbata Sw. (vide Bor) memiliki kerapatan relatif tertinggi sebesar 41,13% pada stasiun I. Ischaemum muticum memiliki frekuensi relatif tertinggi sebesar 28,59% pada stasiun I. Pluchea indica L. memiliki INP sebesar 73,65% pada stasiun II. Sesuvium portulacastrum L. memiliki penutupan relatif tertinggi sebesar 50,12% dan INP tertinggi sebesar 99,81% pada stasiun III.

Community structure study of associated mangrove at Blanakan Silvofishery Pond was done from February until August 2019. The purpose of this study is to know and compare the community structure of associated mangrove near and far from the source of heavy metal pollutants in the Blanakan silvofishery pond area, Subang, West Java, including species composition, diversity, evenness, dominance, relative density, relative frequency, relative closure, and Important Value Index (IVI). Data of associated mangrove community were collected from 3 stations and each station consist of 3 ponds. The sampling community data on each pond was done using belt transect method with 1 × 100 square meter as many as 4 belt transects. Measurement of abiotic factors was done on each pond. Associated mangrove were identified and analyzed using the Shannon-Wiener diversity index, Pielou evenness index, Simpson dominance index, Species Relative Density, Species Relative Frequency, Species Relative Closure, and Important Value Index. The results showed that there were 19 species of associated mangrove from 12 families. The species composition of the associated mangrove community at station II which far from the sources of heavy metal pollutants, more than in station I and III which are close to the sources of heavy metal pollutants. Species diversity of associated mangrove is high while species distribution is almost evenly distributed at each station. However, there is no dominant species in community. The associated mangrove community was in stable condition and the abiotic factors still support the existence of the community. Chloris barbata Sw. (vide Bor) has the highest relative density, as many as 41,13% at station I. Ischaemum muticum has highest relative frequency, as many as 28,59% at station I. Pluchea indica L. has IVI as many as 73,65% at stasion II. Sesuvium portulacastrum L. has the highest relative closure as many as 50,12% and the highest IVI as many as 99,81% at station III.
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Depok: Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2019
S-pdf
UI - Skripsi Membership  Universitas Indonesia Library