DIVERSITY OF ARTHROPODS IN VARIOUS RICE (Oryza sativa) CULTIVATION SYSTEMS

HIMATUL FITRIA UTAMI, . (2026) DIVERSITY OF ARTHROPODS IN VARIOUS RICE (Oryza sativa) CULTIVATION SYSTEMS. Skripsi thesis, UNIVERSITAS PEMBANGUNAN NASIONAL VETERAN YOGYAKARTA.

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Abstract

Arthropods diversity is an important indicator in assessing the health of agricultural ecosystems because this group of organisms acts as pests, natural enemies, pollinators, and decomposers that contribute to maintaining the stability of agroecosystems. The objective of this study is to analyze the differences in diversity levels and ecological roles of arthropods across three rice cultivation systems in Sawangan Subdistrict, Magelang Regency: (1) the organic farming system introduced by PT Bhumee Artani Nusantara, (2) the organic system practiced by local farmers, and (3) the conventional cultivation system. The study was conducted from May to November 2025 on three rice cultivation systems using the local variety Menthik Wangi Susu. This research uses a quantitative descriptive approach with a systematic sampling method. Arthropods specimens are collected using yellow sticky traps and sweep nets and are identified to the genus level. Diversity analysis is conducted using the Shannon–Wiener diversity index (H’), along with the dominance index (D) and the evenness index (E). Arthropods samples are classified into functional groups, including pests, predators, parasitoid, pollinators, and decomposers. The diversity index values indicate that organic farming systems, both the introduced system (3.619) and the local farmer system (3.493), fall into the high diversity category, whereas the conventional system (2.727) is classified as moderate. The composition of arthropod functional roles in organic systems shows the presence of pest populations accompanied by natural enemies, particularly predators and parasitoids, in relatively balanced proportions. In contrast, the conventional system tends to be dominated by pest groups, along with a reduction in predator and parasitoid abundance. While pollinators and decomposers play a relatively minor role in all three systems.
Keywords: arthropod diversity, agroecosystems, organic farming, conventional farming, rice

Item Type:	Tugas Akhir (Skripsi)
Subjek:	S Agriculture > S Agriculture (General) S Agriculture > SF Animal culture
Divisions:	Fakultas Pertanian > (S1) Agroteknologi
Depositing User:	A.Md Eko Suprapti
Date Deposited:	20 May 2026 03:17
Last Modified:	20 May 2026 03:17
URI:	http://eprints.upnyk.ac.id/id/eprint/48500

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