Climatic, ecophysiological, and phenological controls on plant ecohydrological strategies in seasonally dry ecosystems
Vico, Giulia1; Thompson, Sally E.2; Manzoni, Stefano1,3,4; Molini, Annalisa5,6; Albertson, John D.7,8; Almeida-Cortez, Jarcilene S.9; Fay, Philip A.10; Feng, Xue7; Guswa, Andrew J.11,12; Liu, Hu13,14,15; Wilson, Tiffany G.7; Porporato, Amilcare7,8
Source PublicationECOHYDROLOGY
AbstractLarge areas in the tropics and at mid-latitudes experience pronounced seasonality and inter-annual variability in rainfall and hence water availability. Despite the importance of these seasonally dry ecosystems (SDEs) for the global carbon cycling and in providing ecosystem services, a unifying ecohydrological framework to interpret the effects of climatic variability on SDEs is still lacking. A synthesis of existing data about plant functional adaptations in SDEs, covering some 400 species, shows that leaf phenological variations, rather than physiological traits, provide the dominant control on plant-water-carbon interactions. Motivated by this result, the combined implications of leaf phenology and climatic variability on plant water use strategies are here explored with a minimalist model of the coupled soil water and plant carbon balances. The analyses are extended to five locations with different hydroclimatic forcing, spanning seasonally dry tropical climates (without temperature seasonality) and Mediterranean climates (exhibiting out of phase seasonal patterns of rainfall and temperature). The most beneficial leaf phenology in terms of carbon uptake depends on the climatic regime: evergreen species are favoured by short dry seasons or access to persistent water stores, whereas high inter-annual variability of rainy season duration favours the coexistence of multiple drought-deciduous phenological strategies. We conclude that drought-deciduousness may provide a competitive advantage in face of predicted declines in rainfall totals, while reduced seasonality and access to deep water stores may favour evergreen species. This article has been contributed to by US Government employees and their work is in the public domain in the USA.
KeywordSeasonally Dry Ecosystem Mediterranean Climate Savanna Tropical Dry Forest Water Stress Rainfall Variability Soil Moisture Carbon Balance
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
WOS Subject ExtendedEnvironmental Sciences & Ecology ; Water Resources
Indexed BySCI
WOS SubjectEcology ; Environmental Sciences ; Water Resources
WOS IDWOS:000356628900011
Citation statistics
Cited Times:47[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorVico, Giulia
Affiliation1.Swedish Univ Agr Sci SLU, Dept Crop Prod Ecol, Uppsala, Sweden
2.Univ Calif Berkeley, Dept Civil & Environm Engn, Berkeley, CA 94720 USA
3.Swedish Univ Agr Sci SLU, Dept Ecol, Uppsala, Sweden
4.Stockholm Univ, Dept Phys Geog & Quaternary Geol, S-10691 Stockholm, Sweden
5.Masdar Inst Sci & Technol, iWater Ctr, Abu Dhabi, U Arab Emirates
6.Masdar Inst Sci & Technol, Dept Chem & Environm Engn, Abu Dhabi, U Arab Emirates
7.Duke Univ, Dept Civil & Environm Engn, Durham, NC 27706 USA
8.Duke Univ, Nicholas Sch Environm, Durham, NC 27708 USA
9.Univ Fed Pernambuco, Dept Bot, Recife, PE, Brazil
10.USDA ARS, Grassland Soil & Water Res Lab, Temple, TX 76502 USA
11.Smith Coll, Ctr Environm Ecol Design & Sustainabil, Northampton, MA 01063 USA
12.Smith Coll, Picker Engn Program, Northampton, MA 01063 USA
13.Chinese Acad Sci, Chinese Ecosyst Res Network, Linze Inland River Basin Res Stn, Lanzhou, Peoples R China
14.Chinese Acad Sci, Key Lab Ecohydrol & River Basin Sci, Lanzhou, Peoples R China
15.Penn State Univ, University Pk, PA 16802 USA
Recommended Citation
GB/T 7714
Vico, Giulia,Thompson, Sally E.,Manzoni, Stefano,et al. Climatic, ecophysiological, and phenological controls on plant ecohydrological strategies in seasonally dry ecosystems[J]. ECOHYDROLOGY,2015,8(4):660-681.
APA Vico, Giulia.,Thompson, Sally E..,Manzoni, Stefano.,Molini, Annalisa.,Albertson, John D..,...&Porporato, Amilcare.(2015).Climatic, ecophysiological, and phenological controls on plant ecohydrological strategies in seasonally dry ecosystems.ECOHYDROLOGY,8(4),660-681.
MLA Vico, Giulia,et al."Climatic, ecophysiological, and phenological controls on plant ecohydrological strategies in seasonally dry ecosystems".ECOHYDROLOGY 8.4(2015):660-681.
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