Multiscale drivers of arthropod functional guilds in rice agroecosystems: Evaluating the roles of climatic, landscape, and management factors
Journal
Agriculture, Ecosystems and Environment
Journal Volume
409
ISSN
0167-8809
Date Issued
2026-10
Author(s)
Lin, Pei-Chen
Wuryandani, Shafira
Liu, Chun-Chia
Lin, Chiao-Ming
Huang, Chi-Lun
Ros, Gerard H.
Abstract
Understanding how environmental and management factors shape arthropod functional guilds is essential for assessing ecological sustainability in rice agroecosystems. This study investigated the multiscale drivers of arthropod functional guilds dynamics across 12 rice farms in Taiwan from 2017 to 2019, integrating climatic, landscape, and management variables using generalized estimating equations and structural equation modeling. Four functional guilds (i.e., pests, predators, parasitoids, and detritivores) were analyzed to evaluate abiotic and biotic regulation across gradients of elevation, seasonality, and land use. Abiotic factors had the strongest effects on guild abundance and diversity, in particular for temperature, elevation, and season. Biotic mediation among guilds was limited, with weak but positive co-occurrence among pests, predators, and parasitoids, while detritivores responded independently. Landscape heterogeneity influenced community composition, particularly at intermediate spatial scales (500 m), but its contribution was relatively weaker than that along environmental gradients. Our findings emphasize the importance of climate and landscape in structuring these assemblages, suggesting the need for adaptive, climate-informed, and landscape-integrated management strategies to maintain resilient rice agroecosystems. © 2026 Elsevier B.V. All rights are reserved, including those for text and data mining, AI training, and similar technologies.
Subjects
Arthropod communities
Biological pest control
Climate variation
Landscape structure
Organic farming
Rice agroecosystems
Publisher
Elsevier BV
Description
Article number 110525
Type
journal article