Wardani, FeviliaSuksma (2013) Efek Blok Refugia (Ageratum conyzoides L., Ageratum houstonianum L., dan Commelina diffusa L.) Terhadap Pola Kunjungan Arthropoda di Perkebunan Apel Desa Poncokusumo, Kabupaten Malang. Sarjana thesis, Universitas Brawijaya.
Abstract
Ekosistem yang terganggu dan aplikasi pestisida menyebabkan penurunan diversitas Arthropoda. Keberadaan Arthropoda dapat ditingkatkan dengan memanfaatkan refugia di sekitar perkebunan apel. Penelitian ini bertujuan untuk mengetahui kelimpahan, struktur komunitas, diversitas dan komposisi Arthropoda, efek blok refugia terhadap pola kunjungan Arthropoda, dan status fungsional Arthropoda yang ditemukan. Pengamatan Arthropoda dilakukan secara visual control. Pengukuran faktor abiotik meliputi suhu udara dan intensitas cahaya. Pengambilan data dilakukan empat kali pada musim buah dan empat kali sehari di setiap kombinasi refugia selama 15 menit setiap periode. Analisis struktur komunitas Arthropoda didapat dari nilai penting dan diversitas (Indeks Shannon-Wienner). Pola kunjungan dan komposisi Arthropoda (IBC) dibandingkan antar blok. Kelimpahan Arthropoda berjumlah 1434 individu terdiri dari 8 ordo dengan 28 famili, 5 famili tertinggi yaitu Aleyrodidae, Syrphidae, Pieridae, Tabanidae 1 dan Formicidae 2 dengan INP tertinggi yaitu Aleyrodidae (33,95 %). Diversitas Arthropoda sedang sampai tinggi dengan nilai 2-3. Rata-rata kesamaan komposisi Arthropoda menunjukkan tingkat kesamaan yang sedang. Blok refugia yang digunakan memiliki pengaruh terhadap kunjungan Arthropoda. Blok 1, 2 dan 4 menunjukkan tingkat daya tarik yang tinggi untuk menarik Arthropoda sehingga dapat direkomendasikan antara blok 1 dan 2 untuk penerapan. Status fungsional Arthropoda terdiri dari herbivor (54,14 %), polinator (28,72 %) dan predator (17,13 %).
English Abstract
Disturbed ecosystems and pesticide application decrease the abundance and diversity of Arthropods. Arthropods existence can be enhanced by the use of refugia around the apple crop. The objectives of this study are to determine the abundance, community structure, diversity and composition of visitors Arthropods in refugia blocks, the effects of refugia blocks on Arthropods visiting patterns, and functional status of Arthropods. Arthropods were observed by visual control. Measurement of abiotic factors include temperature and light intensity. Data collection was performed four times in fruiting season and four times a day on every refugia combination for 15 minutes in each period. Community structure of Arthropods was analyzed using important value and diversity index (Shannon-Wienner Index). Visiting patterns and composition (IBC) of Arthropods were compared inter-blocks. 1434 individuals consisting of 8 orders and 28 families were found in the experiment, whilst 5 families with highest abundance, those were Aleyrodidae, Syrphidae, Pieridae, Tabanidae 1 and Formicidae 2, with the highest importance value index is Aleyrodidae (33,95%). Diversity of Arthropods is high with a value of 2-3. The average similarity of Arthropods composition showed moderate levels. Refugia blocks that were used have influence on Arthropods visiting pattern. Blocks 1, 2 and 4 showed high degree of attraction to Arthropods. Block 1 and 2 are recommended to application usage. Functional status of Arthropods were found consisting of herbivores (54,14%), pollinators (28,72%) and predators (17,13%).
| Item Type: | Thesis (Sarjana) |
|---|---|
| Identification Number: | SKR/MIPA/2013/154/051306327 |
| Subjects: | 500 Natural sciences and mathematics > 570 Biology |
| Divisions: | Fakultas Matematika dan Ilmu Pengetahuan Alam > Biologi |
| Depositing User: | Hasbi |
| Date Deposited: | 10 Sep 2013 11:13 |
| Last Modified: | 25 Oct 2021 01:56 |
| URI: | http://repository.ub.ac.id/id/eprint/153413 |
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