Regeneration dynamics of Euptelea pleiospermum along latitudinal and altitudinal gradients: Trade-offs between seedling and sprout

Wei, Xinzeng; Wu, Hao; Meng, Huyan; Pang, Chunmei; Jiang, Mingxi

doi:10.1016/j.foreco.2015.06.004

Cited by 17 publications

(12 citation statements)

References 51 publications

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“…The relative seedling density in the middle was significantly higher than those in the south and the north, which was inconsistent with Wei et al. (), who found more seedlings at the leading edges, and Graignic et al. (), who found similar sugar maple regeneration in continuous and discontinuous zones associated with the climatic and stand characteristics.…”

Section: Discussioncontrasting

confidence: 66%

“…, Wei et al. ), especially regarding their distribution limits (Parmesan , Hampe and Jump ), for example, treeline (Gamache and Payette , Juntunen and Neuvonen , Wang et al. , Dang et al.…”

Section: Introductionmentioning

confidence: 99%

“…, Wei et al. ) because the regenerating individuals of long‐lived trees are most sensitive or fragile to environment variability, particularly extreme events (Castro et al. ).…”

Section: Introductionmentioning

confidence: 99%

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Population structure and regeneration dynamics ofQuercus variabilisalong latitudinal and longitudinal gradients

Gao

Xue

et al. 2017

Ecosphere

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Population structure and regeneration dynamics of Quercus variabilis along latitudinal and longitudinal gradients.Ecosphere 8(4):e01737. 10.1002/ecs2.1737Abstract. The upcoming climatic variability is expected to influence the population dynamics of tree species, but few empirical studies have been performed over broad geographical scales, which may be more convincing to address tree range shift under climate change. In the present study, the population structure and regeneration dynamics of Quercus variabilis were investigated along latitudinal and longitudinal gradients over its full range in China. The size structure, density, mortality rate (b), conversion rate (CR), initial recruitment (y 0 ), and survival from birth to the highest class of regeneration (survival rate [SR]) were analyzed. The results showed the following: (1) The population structure of Q. variabilis exhibited an inverse-J shape throughout the latitudinal gradient, and the relative seedling density was significantly higher in the middle populations than in the north and the south. In addition, the y 0 and SR exhibited the highest values in the middle, but no significant differences in the density and total basal area of adults were found across latitudes. (2) Along the longitudinal gradient, an inverse-J-type population structure was present in the west populations, but was not observed in the east due to the scarcity of individuals in regenerated populations. The total basal area and density of adults were similar across longitudes, but both the seedling density and the relative seedling density, along with the y 0 and SR, were higher in the middle than in the east and the west. The b of adults was lower in the middle-longitude populations than in the west and the east. (3) Climate (annual average temperature) was identified as the primary factor affecting regeneration. In addition, local factors, including the soil and stand conditions, were also found to play a significant role in determining the regeneration dynamics. Based on these results, we speculate that populations of Q. variabilis at the range edges would decline in the context of climate change, particularly in the south and the east.

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Section: Discussioncontrasting

confidence: 66%

“…, Wei et al. ), especially regarding their distribution limits (Parmesan , Hampe and Jump ), for example, treeline (Gamache and Payette , Juntunen and Neuvonen , Wang et al. , Dang et al.…”

Section: Introductionmentioning

confidence: 99%

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Population structure and regeneration dynamics ofQuercus variabilisalong latitudinal and longitudinal gradients

Gao

Xue

et al. 2017

Ecosphere

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“…Euptelea pleiospermum (Eupteleaceae) is an endemic tree species scattered in mountain riparian areas of China, and Wei et al . () found that northward migration was occurring in this tree species. Because this species appears impacted by climate change and is broadly distributed, E .…”

Section: Introductionmentioning

confidence: 68%

“…pleiospermum by investigating the regeneration dynamics of this relict species along a latitudinal gradient in China (Wei et al . ). Here, SLA increased along latitude while leaf density showed the opposite trend.…”

Section: Discussionmentioning

confidence: 97%

Geographical variation and the role of climate in leaf traits of a relict tree species across its distribution in China

et al. 2017

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Intraspecific trait variation and trait-climate relationships are crucial for understanding a species' response to climate change. However, these phenomena have rarely been studied for tree species. Euptelea pleiospermum is a relict tree species with a wide distribution in China that offers a novel opportunity to examine such relationships. Here, we measured 13 leaf traits of E. pleiospermum in 20 sites across its natural distribution in China. We investigated the extent of trait variation at local and regional scales, and developed geographic and climate models to explain trait variation at the regional scale. We documented intraspecific trait variation among leaf traits of E. pleiospermum at local and regional scales. Five traits exhibited relatively high trait variation: leaf area, leaf density and three leaf economic traits (leaf dry matter content, specific leaf area [SLA] and leaf phosphorus concentration). Significant trait-geography correlations were mediated by local climate. Most leaf trait variation could be explained (from 24% to 64%) by geographic or climate variables, except leaf width, leaf thickness, leaf dry matter content and leaf length-width ratio. Latitude and temperature were the strongest predictors of trait variation throughout the distribution of E. pleiospermum in China, and temperature explained more leaf trait variation than precipitation. In particular, we showed that leaves had longer petiole lengths, higher SLA and lower densities in northern E. pleiospermum populations. We suggest that northern E. pleiospermum populations are adapting to higher latitudinal environments via high growth rate (higher SLA) and low construction investment strategies (lower leaf densities), benefitting northern migration. Overall, we demonstrate that intraspecific trait variation reflects E. pleiospermum response to the local environment. We call for consideration of intraspecific trait variation to examine specific climate response questions. In addition, provenance experiments using widely distributed species are needed to separate trait variation resulting from genetic differentiation and plastic responses to environmental change.

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Sensitivity of seed germination to temperature of a relict tree species from different origins along latitudinal and altitudinal gradients: implications for response to climate change

Wang

Wei

et al. 2019

Trees

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Regeneration dynamics of Euptelea pleiospermum along latitudinal and altitudinal gradients: Trade-offs between seedling and sprout

Cited by 17 publications

References 51 publications

Population structure and regeneration dynamics ofQuercus variabilisalong latitudinal and longitudinal gradients

Population structure and regeneration dynamics ofQuercus variabilisalong latitudinal and longitudinal gradients

Geographical variation and the role of climate in leaf traits of a relict tree species across its distribution in China

Sensitivity of seed germination to temperature of a relict tree species from different origins along latitudinal and altitudinal gradients: implications for response to climate change

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