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Dryad

Data and code from: Short-term resilience, seasonal variability, and reduced contemporary diversity in a central Texas moth fauna (Lepidoptera)

Abstract

Moths are important environmental indicators and ecosystem service providers, yet they remain understudied and increasingly threatened by climate change, habitat loss, and disturbance. The Lost Pines region of Central Texas is an isolated remnant of hardwood–pine forest within a post oak savannah ecoregion that has recently experienced several wildfires, making it vulnerable to environmental change and biodiversity loss. Moths in this region have received little study, especially regarding diversity, community composition variability, and fire. We surveyed moths in the Lost Pines to compare diversity metrics and community composition across (1) 1990s and present-day surveys, (2) fall and spring seasons, and (3) burned and unburned areas. Moths were collected using UV bucket traps at four burned and four unburned locations one year after the 2022 Pine Pond Fire at the Stengl Lost Pines Biological Station, with three sampling events in fall 2023 and three in spring 2024. Our results revealed lower diversity in the present-day compared to the 1990s, in fall relative to spring, and in unburned compared to burned areas.
This data set was used to conduct the present study.