Significant Phylogenetic Signal and Climate-Related Trends in Leaf Caloric Value from Tropical to Cold-Temperate Forests

Song, Guangyan; Li, Ying; Zhang, Jiahui; Li, Meiling; Hou, Junbo; He, Nianpeng

doi:10.1038/srep36674

Cited by 11 publications

(6 citation statements)

References 41 publications

(50 reference statements)

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“…Cladogram of the plant families (modified from Song et al 2016) and species used in this study. Species from the tropical region are marked in red, species from the temperate region are in blue.…”

Section: Methodsmentioning

confidence: 99%

No Indication of High Host-Plant Specificity in Afrotropical Geometrid Moths

Holm

Javoiš

Molleman

et al. 2019

Journal of Insect Science

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Specificity is one of the fundamental concepts in ecology. Host specificity of phytophagous insects has been of particular interest because of its crucial role in diversification and life-history evolution. However, the majority of tropical insects remain insufficiently explored with respect to their host-plant relations. A lack of respective data is also hindering the debate over whether higher levels of host-plant specificity prevail in tropical insects compared to temperate ones. We investigated host-plant specificity of forest geometrid moths (Lepidoptera: Geometridae) in equatorial Africa using host-plant acceptability trials with neonate larvae, with the addition of field observations. We compare our experimental data to the (well-known) host-specificity patterns of closely related temperate (hemiboreal) species. Similarly to the temperate region, there were broadly polyphagous tropical species in several clades of Geometridae utilizing hosts belonging to different plant families. Phylogenetic comparative analysis returned no significant differences in host specificity between the two regions. Our study contributes to the evidence that host-plant specificity of herbivores is not necessarily substantially higher in tropical than temperate regions.

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Section: Methodsmentioning

confidence: 99%

No Indication of High Host-Plant Specificity in Afrotropical Geometrid Moths

Holm

Javoiš

Molleman

et al. 2019

Journal of Insect Science

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“…These nine forests span cold-temperate, temperate, subtropical, and tropical forests from 18.7 to 51.8 • N. The mean annual temperature (MAT) of these forests ranges from −4.4 to 20.9 • C, while mean annual precipitation (MAP) ranges from 481.6 to 2449.0 mm. Soils vary from tropical red soils with low organic matter to brown soils with high organic matter (Song et al, 2016). Detailed geographical information of the region is presented in Table S1.…”

Section: Site Descriptionmentioning

confidence: 99%

“…Furthermore, chlorophyll content might be affected by community structure, because the With the development of the molecular clock theory (molecular evolution speed constancy) and fossil dating data, researchers found that phylogenic history play a decisive role for some plant traits (Comas et al, 2014;Kong et al, 2014;Li et al, 2015). Some plant traits (i.e., N and P content and calorific values) are strongly affected by the phylogeny of plant species (Stock and Verboom, 2012;Chen et al, 2013;Song et al, 2016). In contrast, in our study, although Chl in the overall and different life forms had significant phylogenetic signals, the phylogenetic signal K values were close to zero.…”

Section: Weak Increasing Latitudinal Pattern Of Chl In Natural Forestsmentioning

confidence: 99%

Factors Influencing Leaf Chlorophyll Content in Natural Forests at the Biome Scale

et al. 2018

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Chlorophyll (Chl) is an important photosynthetic pigment to the plant, largely determining photosynthetic capacity and hence plant growth. However, this concept has not been verified in natural forests, especially at a large scale. Furthermore, how Chl varies in natural forests remains unclear. In this study, the leaves of 823 plant species were collected from nine typical forest communities, extending from cold-temperate to tropical zones in China, to determine the main factors influencing leaf chlorophyll content in different regions and at different scales. We measured chlorophyll a (Chl a), chlorophyll b (Chl b), Chl (Chl a+Chl b), and the ratio of Chl a and Chl b (Chl a/b). The results showed that Chl a, Chl b, and Chl a/b values were in the range of 0.87-15.92 mg g −1 (mean: 4.18 mg g −1 ), 0.32-6.42 mg g −1 (mean 1.72 mg g −1 ), and 1.43-7.07 (mean: 2.47). The values of these three Chl parameters significantly differed among plant functional groups (trees < shrubs < herbs, coniferous trees < broadleaved trees, and evergreens < deciduous trees). Unexpectedly, Chl a, Chl b, and Chl a+b increased slightly with increasing latitude. Climate, soil, and phylogeny exert only a small effect on the spatial variation of Chl in natural forests, with large variation in the Chl of coexisting species masking the spatial patterns. This study is the first to report variations in Chl among different types of natural forests at a large scale, demonstrating that the fuzzy regulation of Chl makes it very difficult to take Chl as the main input parameter to the models of natural forests.

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“…The energy utilization strategy of plants could also be pivotal, combined with the other physiological indicators, to assess the adaptability of plants to the environment [ 4 ]. The calorific value reflected the light utilization efficiency of plants and became an important indicator for measuring their physiological activities [ 5 ]. Studies have found that the composition, structure, and function of different plants as well as climate change influence differences in plant calorific values.…”

Section: Introductionmentioning

confidence: 99%

Environmental Adaptability and Energy Investment Strategy of Different Cunninghamia lanceolata Clones Based on Leaf Calorific Value and Construction Cost Characteristics

Cao

Wu³

et al. 2023

Plants

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The calorific value and construction cost of leaves reflect the utilization strategy of plants for environmental resources. Their genetic characteristics and leaf functional traits as well as climate change affect the calorific values. This study explores the differences in energy investment strategies and the response characteristics of energy utilization in leaves to climate change among nine clones of Chinese fir (Cunninghamia lanceolata). Considering the objectives, the differences in the energy utilization strategies were analyzed by determining the leaf nutrients, specific leaf area, and leaf calorific value and by calculating the construction cost. The results showed a significant difference in the ash-free calorific value and construction cost of leaves among different Chinese fir clones (p < 0.05). There were also significant differences in leaf carbon (C) content, leaf nitrogen (N) content, specific leaf area, and ash content. The correlation analysis showed that leaves’ ash-free calorific value and construction cost were positively correlated with the C content. Principal component analysis (PCA) showed that P2 is inclined to the “fast investment return” energy investment strategy, while L27 is inclined to the “slow investment return” energy investment strategy. Redundancy analysis (RDA) indicates that the monthly average temperature strongly correlates positively with leaf construction cost, N content, and specific leaf area. The monthly average precipitation positively impacts the ash-free calorific value and construction cost of leaves. In conclusion, there are obvious differences in energy investment strategies among different Chinese fir clones. When temperature and precipitation change, Chinese fir leaves can adjust their energy investment to adapt to environmental changes. In the future, attention should be paid to the impact of climate change–related aspects on the growth and development of Chinese fir plantations.

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Significant Phylogenetic Signal and Climate-Related Trends in Leaf Caloric Value from Tropical to Cold-Temperate Forests

Cited by 11 publications

References 41 publications

No Indication of High Host-Plant Specificity in Afrotropical Geometrid Moths

No Indication of High Host-Plant Specificity in Afrotropical Geometrid Moths

Factors Influencing Leaf Chlorophyll Content in Natural Forests at the Biome Scale

Environmental Adaptability and Energy Investment Strategy of Different Cunninghamia lanceolata Clones Based on Leaf Calorific Value and Construction Cost Characteristics

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