globalchange  > 过去全球变化的重建
DOI: 10.1016/j.flora.2019.03.020
WOS记录号: WOS:000467387100005
论文题名:
Reproductive phenology of Leptolobium dasycarpum and L. elegans across the Brazilian savanna based on herbarium records
作者: Fava, Wellington Santos1; Leme da Cunha, Nicolay1,2; Lorenz, Aline Pedroso1
通讯作者: Fava, Wellington Santos
刊名: FLORA
ISSN: 0367-2530
EISSN: 1618-0585
出版年: 2019
卷: 255, 页码:34-41
语种: 英语
英文关键词: Cerrado ; Herbarium records ; Large-scale phenology ; Leguminosae ; Long-term monitoring ; Phenological responsiveness
WOS关键词: CONTINENTAL-SCALE PATTERNS ; 1ST FLOWERING DATES ; CLIMATE-CHANGE ; PHENOTYPIC PLASTICITY ; TROPICAL PHENOLOGY ; PLANT PHENOLOGY ; SPECIMENS ; RESPONSES ; CONSERVATION ; TREE
WOS学科分类: Plant Sciences ; Ecology
WOS研究方向: Plant Sciences ; Environmental Sciences & Ecology
英文摘要:

Changes in phenological events have a prominent position in current global change research. Phenological studies for the Brazilian savannah plants are geographically restricted and long-term variation is still unclear. Thus the use of herbarium data can provide long-term phenological evaluation and it is important to understand the phenology-climate dynamics on broader scales. We used climatic data and 252 herbarium specimens collected between 1961 and 2012 to examine the phenological trends in Leptolobium dasycarpum and L. elegans (Leguminosae, Papilionoideae). We tested the effect of average temperature and rainfall of each specimen's month of flowering and/or fruiting and the three months prior using generalized least squares models. The species presented similar flowering and fruiting seasons, peaking in the wet season. Across this hotspot of biodiversity characterized by extraordinary environmental variations between the wet and dry seasons, L. dasycarpum and L. elegans tend to delay their phenophases with increasing temperature and precipitation. However, we did not find a significant alteration of the phenophase dates over the 52 years. In addition, although the temperature in Cerrado has increased during the period investigated, these two species were not affected by the climatic changes, indicating that additional factors or even the interaction of multiple drivers may have determined their flowering/fruiting control.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/138835
Appears in Collections:过去全球变化的重建

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作者单位: 1.Univ Fed Mato Grosso do Sul, Inst Biosci, Lab Ecol & Evolutionary Biol, BR-79070900 Campo Grande, MS, Brazil
2.Univ Nacl Comahue, CONICET, INIBIOMA, Grp Ecol Polinizac, Quintral 1250, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina

Recommended Citation:
Fava, Wellington Santos,Leme da Cunha, Nicolay,Lorenz, Aline Pedroso. Reproductive phenology of Leptolobium dasycarpum and L. elegans across the Brazilian savanna based on herbarium records[J]. FLORA,2019-01-01,255:34-41
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