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All Journal HAYATI Journal of Biosciences Jurnal Ilmu Pertanian Indonesia Jurnal Fitopatologi Indonesia Forum Pasca Sarjana Agrikultura Jurnal Penelitian Hutan Tanaman Agrovigor: Jurnal Agroekoteknologi AGRIVITA, Journal of Agricultural Science Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Perlindungan Tanaman Indonesia JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Jurnal Agrotek Tropika Jurnal Entomologi Indonesia Buletin Palma Jurnal Risalah Kebijakan Pertanian dan Lingkungan SEAS (Sustainable Environment Agricultural Science) PERTANIAN TROPIK
Hermanu Triwidodo
Department Of Plant Protection, Faculty Of Agriculture, IPB University Jln. Kamper, Kampus IPB Dramaga, Bogor, West Java 16680 Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Medicine & Pharmacology Social Sciences

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Journal : HAYATI Journal of Biosciences

 1 
Functional Group of Spiders in Cultivated Landscape Dominated by Paddy Fields in West Java, Indonesia I WAYAN SUANA; DEDY DURYADI SOLIHIN; DAMAYANTI BUCHORI; SJAFRIDA MANUWOTO; HERMANU TRIWIDODO; CHRISTIAN HANSJOACHIM SCHULZE
HAYATI Journal of Biosciences Vol. 16 No. 1 (2009): March 2009
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (223.548 KB) | DOI: 10.4308/hjb.16.1.1

Abstract

Distribution of spiders in all colonized environments is limited by biotic and abiotic factors requiring adaptations with respect to, for example microhabitat choice and hunting behavior. These two factors were frequently used to group spiders into functional groups. In this study our objectives were to (i) group of genera of spiders into functional group based on their microhabitat specificity, hunting behavior, and daily activity; and (ii) compare the number and composition of functional group of spider at each habitat type and period of paddy growth. The study was conducted at a landscape dominated by paddy fields in Cianjur Watershed for a period of 9 months. Four different habitat types (paddy, vegetable, non-crop, and mixed garden), were sampled using five trapping techniques (pitfall traps, farmcop suction, sweep netting, yellow-pan traps, and sticky traps). The Unweighted Pair-Group Average and the Euclidean Distances were used to generate dendrogram of functional group of spider. We found 14 functional groups of spider at genus level. The number of functional group of spider at four habitat types was differing, but the composition was similar, because all habitats were closed to each other. Habitat structure diversity and disturbance level influenced the number of functional group of spider. Different architecture of vegetation and availability of differ prey during paddy growth, causing the composition of functional group of spider in each period of paddy growth was changed, although its number was unchanged. Key words: spiders, functional group, agricultural landscape, Cianjur Watershed
Assessing the Influence of Flowering Plants and Landscape Composition on Host-Parasitoid Food Webs Sataral, Mihwan; Rizali, Akhmad; Winasa, I Wayan; Triwidodo, Hermanu; Buchori, Damayanti
HAYATI Journal of Biosciences Vol. 32 No. 6 (2025): November 2025
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.32.6.1551-1563

Abstract

The introduction of flowering plants into agricultural landscapes can significantly impact host-parasitoid food webs, although the extent of these effects varies depending on landscape characteristics. This study examined the effects of habitat manipulation by introducing flowering plants on the complexity of herbivore-parasitoid food webs in agricultural landscapes. Using Shannon diversity, links per species, linkage density, and vulnerability, we assessed the effects of flowers planted in maize fields. Herbivore collections were conducted at 2, 4, 6, 8, and 10 weeks after planting. Bipartite network analysis identified nine host morphospecies (Lepidoptera) in maize fields, revealing eight morphospecies in fields without flowering plants and six in fields with flowering plants. Eight major parasitoids were recorded, with Paratetracnemoidea sp.1 and Telenomus remus dominating fields without flowering plants, whereas T. remus was the most prevalent in fields with flowers. Spodoptera frugiperda emerged as the dominant host in both fields, whereas Lymantriidae sp.2 was present in low numbers in both field types. These results indicate that flowering plants enhance Shannon diversity and linkage density. However, the composition of the surrounding landscape can obscure these benefits, leading to simplified food web structures as the agricultural fields expand. Our findings underscore the significance of landscape context in shaping crop-herbivore-parasitoid interactions, offering valuable insights into sustainable agricultural management practices.
Co-Authors . Widodo Akhmad Rizali ALI NURMANSYAH Ali Wafa Amanatillah, Niky Elfa Amanda Mawan Andi Sadapotto Andika Septiana Suryaningsih Anggun Agustini Azri Kusuma Dewi Bonjok Istiaji CHRISTIAN HANSJOACHIM SCHULZE DAMAYANTI BUCHORI Dede Dirgahayu Dede Maryana Desy Nur Avifah Dewa Gede Wiryangga Selangga DEWI SARTIAMI Diantoro, Aris Kusumo Dudung Darusman Dwi Andini Shiami Efi Toding Tondok Efriani, Nurul Farida Fathan Hadyan Rizki Fauziah, St Nurlaela Florentina Sri Hardiyanti Purwadhi HAJRIAL ASWIDINNOOR Harianto, Muhammad Harleni Harleni Hasmiandy Hamid Hazen Arrazie Kurniawan Husni dan Zulfanazli Pudjianto Alfian Rusdy Hutasoit, Rudi Tomson I Nengah Surati Jaya I WAYAN SUANA I Wayan Winasa Irwan Novianto Kartodihardjo, Hariadi Kelana, Fajar Sidik Abdullah Kenneth Puliafico Kooswardhono Mudikdjo Kooswardhono Mudikdjo Listihani, Listihani Lukvitasari, Luna Luna Lukvitasari Lutfi Afifah Maizul Husna Tanjung Mappatoba Sila Marietje Pesireron MARIETJE PESIRERON Meity S. Sinaga Meity Suradji Sinaga Meliyana Mihwan Sataral Millaty, Marosimy Muhammad Achmad Chozin Muhammad Ardiansyah Murgianto, Fitrah Najmi, Lailatun Neo Endra Lelana Noor Farikhah Haneda NURARIATY AGUS Nurmala Katrina Pandjaitan Phor Bho Ayuwati PURNAMA HIDAYAT Raden Mohamad Herdian Bhakti RAUF, AUNU Rein Estefanus Senewe Retnowati, Lilik Roza Yusfiandayani Rudi Tomson Hutasoit Rully Anwar Ruly Anwar Sagala, Siti Rizkah Senewe, Rein Estefanus Senewe, Rein Estefanus Senewe, Rein Estefanus SJAFRIDA MANUWOTO Sri Utami Supramana Suryo Wiyono Susanna Susanna Syafrida Manuwoto Syafrida Manuwoto Syarifah Syarifah, Syarifah TARUNI SRI PRAWAST MIEN KAOMINI ANY ARYANI DEDY DURYADI SOLIHIN Tawakkal, Muhammad Iqbal Titiek Siti Yuliani Ujang Wawan Darmawan Victoria Coo Lea Widodo Widodo Widodo Widodo Wildan Muhlison, Wildan Woro Anggraitoningsih Noerdjito Yani Maharani Yendra Pratama Setyawan Yundari, Yundari Zakiah Wulandari Zulfatun Ruscitasari