Precipitation is the most crucial factor determining the distribution of moso bamboo in Mainland China

Shi, Peijian; Preisler, Haiganoush K.; Quinn, Brady K.; Zhao, Jie; Huang, Weiwei; Röll, Alexander; Cheng, Xiaofei; Li, Huarong; Hölscher, Dirk

doi:10.1016/j.gecco.2020.e00924

Cited by 46 publications

(25 citation statements)

References 43 publications

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“…Moso bamboo (Phyllostachys edulis), the most widely distributed giant running bamboo species in China (more than 4 million ha in 2005; Song et al, 2011), is high water-demand plant (Li et al, 2019;Shi et al, 2020) and inversely may impact local hydrologic cycling and regional water balance (Komatsu et al, 2010;Gu et al, 2019) and thus has been increasingly studied in recent years.…”

Section: Introductionmentioning

confidence: 99%

Spring Leafing Phenology Favors Younger Culms of Moso Bamboo: Aspects From Water Use Relations

et al. 2020

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As the most widely distributed giant running bamboo species in China, Moso bamboo (Phyllostachys edulis) can accomplish both development of newly sprouted culms and leaf renewal of odd-year-old culms within a few months in spring. The two phenological events in spring may together change water distribution among culms in different age categories within a stand, which may differ from our conventional understanding of the negative age effect on bamboo water use. Therefore, to explore the effect of spring shooting and leaf phenology on age-specific water use of Moso bamboo and potential water redistribution, we monitored water use of four culm age categories (newly sprouted, 1-, 2-, and 3-year-old; namely A0, A1, A2, A3) in spring from March to June 2018. For newly sprouting culms, the spring phenological period was classified into five stages (incubation, culm-elongation, branch-development, leafing, established). Over these phenological stages, age-specific accumulated sap flux density showed different patterns. The oldest culms, A3, were not influenced by leaf renewal and kept nearly constant and less water use than the other aged culms. However, A2, which did not renew their leaves, had the most water use at the two initial stages (incubation, culm-elongation) but consumed less water than A0 and A1 after the fourth stage (leafing). At the end of June, water use of the four age categories sorted in order of A0 > A1 > A2 > A3, which confirms the conventional thought and observations, i.e., a negative age effect. The results indicate that new leaf flushing may benefit younger culms (A1 and A0) more than older culms (A2 and A3), i.e., increasing their transpiration response to radiation and share of the stand transpiration. With the underground connected rhizome system, the bamboo stand as an integration seems to balance its water use among culms of different ages to support the water use of freshly sprouted culms during their developing period.

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Section: Introductionmentioning

confidence: 99%

Spring Leafing Phenology Favors Younger Culms of Moso Bamboo: Aspects From Water Use Relations

et al. 2020

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“…The global climate change has resulted in an increasing trend in extreme precipitation in some areas, and severe drought is predicted to occur more frequently in the future in several regions of the world [1]. Water limitation is one of the main factors limiting plant growth and is the most general type of stress experienced by plants [2]. Drought restrains eco-physiological performances of plants, such as photosynthesis and primary productivity [3,4] and changes the community structure [5], creating an opportunity for the invasion of exotic species, most likely leading to in the decline of biodiversity [6] and instability of the entire ecosystem [7,8].…”

Section: Introductionmentioning

confidence: 99%

Increased soil moisture aggravated the competitive effects of the invasive tree Rhus typhina on the native tree Cotinus coggygria

Guo

et al. 2020

BMC Ecol

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Background: Invasive exotic species have caused significant problems, and the effects of extreme precipitation and drought, which might occur more frequently under the global climate change scenarios, on interspecific relationship between invasive and native species remain unclear. Results: We conducted a greenhouse experiment with three soil water levels (30-40%, 50-60%, and 70-80% of field capacity) and two cultivation treatments (monoculture pots, one seedling of either species and mixture pots, one seedling of each species) to investigate soil water content effects on the relationship between invasive Rhus typhina and native Cotinus coggygria. Rhus typhina had lower height but bigger crown area than C. coggygria in the monoculture treatment. Rhus typhina had higher height, bigger crown area and total biomass than C. coggygria in the mixture treatment. Drought decreased the growth parameters, total chlorophyll concentration, and leaf biomass, but did not change gas exchange and other biomass parameters in R. typhina. The growth parameters, leaf area index, biomass parameters, total chlorophyll concentration, and net photosynthetic rate of C. coggygria decreased under drought conditions. The log response ratio (lnRR), calculated as ln (total biomass of a target plant grown in monoculture/total biomass of a target plant grown in mixed culture), of R. typhina was lower than that of C. coggygria. The lnRR of R. typhina and C. coggygria decreased and increased with increase in soil water content, respectively. Conclusions: Rhus typhina has greater capacity to relatively stable growth to the drought condition than C. coggygria and has strong competition advantages in the mixture with C. coggygria, especially in the drought condition. Our study will help understand the causes of invasiveness and wide distribution of R. typhina under various moisture conditions and predict its expansion under climate change scenarios.

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“…We acknowledge that climatic variables attending the growing season could affect the scaling relationships reported here. Indeed, differences in either temperature or precipitation, or both during the development of leaf primordia and culm maturation, particularly since these climatic variables influence the biogeographic distributions of moso bamboo in central China and Japan (Takano et al, 2017;Shi et al, 2020b). This possibility, however, is difficult to assess given that there are only five numerical values of scaling exponents to correlate with climatic variables and because it would be necessary to know the precise days during with leaf primordia developed and matured on each culm for each of the five data points.…”

Section: Mixed Sampling Of Leavesmentioning

confidence: 99%

“Diminishing returns” for leaves of five age‐groups of Phyllostachys edulis culms

Guo

Shi

Niinemets

et al. 2021

American J of Botany

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Premise: Leaf mass (M) and lamina surface area (A) are important functional traits reported to obey a scaling relationship called "diminishing returns" (i.e., M ∝ A α>1 ). Previous studies have focused primarily on eudicots and ignored whether the age of leaves affects the numerical value of the scaling exponent (i.e., α). Methods: The effect of age was examined using 1623 Phyllostachys edulis leaves from culms differing in age collected in Nanjing, China. The scaling relationships among leaf A, fresh mass (FM), and dry mass (DM) were evaluated using reduced major axis protocols. The bootstrap percentile method was used to test the significance of differences in α-values. Results: Overall, the numerical values of α exceeded 1.0. The scaling relationship between FM and A was statistically more robust than that between DM and A. The scaling exponents of FM vs. A exhibited a "high-low-high-low-high" numerical trend from the oldest to the youngest age-group. FM increased linearly as culm age decreased; the leaf DM per unit area (LMA) exhibited a parabolic trend across the age-groups. Conclusions: "Diminishing returns" is confirmed for all but one age-group of an important monocot species. The relationship between FM and A was statistically more robust than that between DM and A for each age-group. The FM per unit A decreased with increasing age-groups, whereas the middle age-groups had a greater LMA than the oldest and youngest age-groups. These data are the first to show that the age of shoots affects the scaling relationship between leaf mass and area.

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Precipitation is the most crucial factor determining the distribution of moso bamboo in Mainland China

Cited by 46 publications

References 43 publications

Spring Leafing Phenology Favors Younger Culms of Moso Bamboo: Aspects From Water Use Relations

Spring Leafing Phenology Favors Younger Culms of Moso Bamboo: Aspects From Water Use Relations

Increased soil moisture aggravated the competitive effects of the invasive tree Rhus typhina on the native tree Cotinus coggygria

“Diminishing returns” for leaves of five age‐groups of Phyllostachys edulis culms

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