دورية أكاديمية
أعرض في EDS

Phenological responses to climate change based on a hundred years of herbarium collections of tropical Melastomataceae.

التفاصيل البيبلوغرافية
العنوان: Phenological responses to climate change based on a hundred years of herbarium collections of tropical Melastomataceae.
المؤلفون: Lima DF; Jardim Botânico do Rio de Janeiro, Rio de Janeiro, Brazil., Mello JHF; Jardim Botânico do Rio de Janeiro, Rio de Janeiro, Brazil., Lopes IT; Jardim Botânico do Rio de Janeiro, Rio de Janeiro, Brazil., Forzza RC; Jardim Botânico do Rio de Janeiro, Rio de Janeiro, Brazil., Goldenberg R; Departamento de Botânica, Universidade Federal do Paraná, Curitiba, Paraná, Brazil., Freitas L; Jardim Botânico do Rio de Janeiro, Rio de Janeiro, Brazil.
المصدر: PloS one [PLoS One] 2021 May 07; Vol. 16 (5), pp. e0251360. Date of Electronic Publication: 2021 May 07 (Print Publication: 2021).
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE
أسماء مطبوعة: Original Publication: San Francisco, CA : Public Library of Science
مواضيع طبية MeSH: Climate Change* , Ecosystem* , Melastomataceae*, Flowers ; Fruit ; Reproduction ; Temperature
مستخلص: Changes in phenological events have been vastly documented in face of recent global climate change. These studies are concentrated on temperate plants, and the responses of tropical species are still little understood, likely due to the lack of long-term phenological records in the tropics. In this case, the use of herbarium specimens to gather phenological data over long periods and wide geographic areas has emerged as a powerful tool. Here, we used four Melastomataceae species endemic to the Brazilian Atlantic Forest to evaluate phenological patterns and alterations as responses to recent climate changes. Phenological data were gathered from Reflora Virtual Herbarium specimens collected between 1920 and 2018, and analyzed with circular statistics applied to the intervals 1920-1979, 1980-1999, and 2000-2018. The effects of temperature range, average temperature, precipitation, and photoperiod on flowering and fruiting of each species were tested using multiple linear regressions. Through circular statistics, we detected changes, mostly delays, in the flowering of Miconia quinquedentata, Pleroma clavatum and P. trichopodum, and in the fruiting of M. acutiflora, P. clavatum and P. trichopodum. We also found that flowering and fruiting occurrence were related to local climatic conditions from months prior to the collections. We found marked phenological variations over the decades and also that these variations are associated to global climate change, adding up to the large body of evidence from higher latitudes. Our results also support herbarium collections as an important source for long-term tropical phenological studies. The lack of consistent patterns of responses among the four species (e.g. fruiting delayed two months in P. clavatum and advanced one month in M. acutiflora) suggests that climate change has unequal effects across tropical forests. This highlights the urgent need for further research to understand and forecast the ecological implications of these changes in global ecosystems processes.
Competing Interests: The authors have declared that no competing interests exist.
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سلسلة جزيئية: figshare 10.6084/m9.figshare.13366235
تواريخ الأحداث: Date Created: 20210507 Date Completed: 20211021 Latest Revision: 20211021
رمز التحديث: 20221213
مُعرف محوري في PubMed: PMC8104365
DOI: 10.1371/journal.pone.0251360
PMID: 33961684
قاعدة البيانات: MEDLINE
الوصف
تدمد:1932-6203
DOI:10.1371/journal.pone.0251360