RRC ID 58170
著者 Berg CS, Brown JL, Weber JJ.
タイトル An examination of climate-driven flowering-time shifts at large spatial scales over 153 years in a common weedy annual.
ジャーナル Am J Bot
Abstract PREMISE:Understanding species' responses to climate change is a critical challenge facing biologists today. Though many species are widespread, few studies of climate-driven shifts in flowering time have examined large continuous spatial scales for individual species. And even fewer studies have examined these shifts at time scales greater than a few decades.
METHODS:We used digitized herbarium specimens and PRISM climate data to produce the spatially and temporally broadest-scale study of flowering time in a single species to date, spanning the contiguous United States and 153 years (1863-2016) for a widespread weedy annual, Triodanis perfoliata (Campanulaceae). We examined factors driving phenological shifts as well as the roles of geographic and temporal scale in understanding these trends.
RESULTS:Year was a significant factor in both geospatial and climatic analyses, revealing that flowering time has advanced by ~9 days over the past ~150 years. We found that temperature as well as vapor pressure deficit, an understudied climatic parameter associated with evapotranspiration and water stress, were strongly associated with peak flowering. We also examined how sampling at different spatiotemporal scales influences the power to detect flowering-time shifts, finding that relatively large spatial and temporal scales are ideal for detecting flowering-time shifts in this widespread species.
CONCLUSIONS:Our results emphasize the importance of understanding the interplay of geospatial factors at different scales to examine how species respond to climate change.
巻・号 106(11)
ページ 1435-1443
公開日 2019-11-1
DOI 10.1002/ajb2.1381
PMID 31675107
MeSH Climate Change* Flowers Reproduction* Seasons Temperature
IF 3.038
引用数 1
リソース情報
GBIF Plant specimens of Ishikawa Museum of Natural History Plant specimens of Toyota City Nature Sanctuary Plant specimens of Horaiji-san Museum of Natural History Toji K. collection Vascular Plant Specimens of Yamagata Prefectural Museum Plant specimens of Natural History Museum, Kishiwada City Vascular plants database of Atsugi City Museum Herbarium, University Archives and Collections, Fukushima University, Japan (FKSE) Angiospermatatophytina Collection of Saitama Museum of Natural History Vascular Plant Collection of Natural History Museum and Institute, Chiba Herbarium Specimens of Museum of Nature and Human Activities, Hyogo Pref., Japan Spermatophyta collection of Museum of Natural and Environmental History, Shizuoka Ibaraki Nature Museum, Vascular Plants collection Plant Specimens of Kurashiki Museum of Natural History Herbarium Specimens of Tokushima Prefectural Museum, Japan Spermatophyta specimens of Iwate Prefectural Museum Vascular Plants Collection of Sagamihara City Museum Plant specimens in the Museum of Nature and Human Activities, Hyogo Prefecture, Japan Plant specimens deposited in Osaka Museum of Natural History, Japan Vascular Plant Specimens of Kochi Prefectural Makino Botanical Garden Plant Specimens of The Shimane Nature Museum of Mt. Sanbe Vascular Plant Specimen database of Kanagawa Prefectural Museum of Natural History Gunma Museum of Natural History, Vascular Plant Specimen Vascular plants collection of Hiratsuka City Museum Plant specimens of Parthenon Tama Museum (PTHM) Plant specimens of Toyota City Nature Sanctuary (from non-museum circle) Vascular plant specimens of Toyama Science Museum