Search results for: Chia-Hao Chang

Items from 1 to 20 out of 151 results

article

Major axes of variation in tree demography across global forests

Melina de Souza Leite, Sean M. McMahon, Paulo Inácio Prado, Stuart J. Davies, more

Ecography > 2024 > 6 > n/a - n/a

The future trajectory of global forests is closely intertwined with tree demography, and a major fundamental goal in ecology is to understand the key mechanisms governing spatio‐temporal patterns in tree population dynamics. While previous research has made substantial progress in identifying the mechanisms individually, their relative importance among forests remains unclear mainly due to practical...

article

Integrating several analytical methods to assess strength of ecological processes behind metacommunity assembly

Ching‐Lin Huang, David Zelený, Chia‐Hao Chang‐Yang

Oikos > 2024 > 2 > n/a - n/a

Understanding processes and mechanisms of how species assemble in a metacommunity is crucial for illuminating the factors that contribute to the maintenance of biodiversity and developing management decisions. Ecologists have proposed a number of analytical methods for identifying the effects of various ecological processes, but there is no consensus on the best approach. Our study extends the existing...

article

Proximate cues of flowering in a subtropical rain forest

Chia‐Hao Chang‐Yang, Po‐Hui Chiang, S. Joseph Wright, Chang‐Fu Hsieh, more

Biotropica > 56 > 1 > 78 - 89

Plants have evolved mechanisms to track seasonal variation in environmental resources, enabling them to time key life‐history events to appropriate seasons. While the proximate cues for flowering initiation are well documented in the temperate region, it is still unclear what the flowering cues are in the tropics, especially in the subtropics. Our study compared first flowering dates (FFDs) predicted...

article

Effects of a walking exercise programme on disease activity, sleep quality, and quality of life in systemic lupus erythematosus patients

Miao‐Chiu Lin, Hanoch Livneh, Ming‐Chi Lu, Chia‐Hao Chang, more

International Journal of Nursing Practice > 29 > 6 > n/a - n/a

Aim This quasi‐experimental study aimed to explore effects of walking exercise on disease activity, sleep quality, and quality of life among individuals with systemic lupus erythematosus. Methods After recruiting people with systemic lupus erythematosus from a hospital in Taiwan between October 2020 and June 2021, participants were free to opt to receive one walking exercise programme plus standard...

article

Synthesis and Bioluminescence of ‘V’‐Shaped Firefly Luciferin Analogues Based on A Novel Benzobisthiazole Core

Chia‐Hao Chang, Danielle M. Fontaine, Sandra Gómez, Bruce R. Branchini, more

Chemistry – A European Journal > 29 > 69 > n/a - n/a

The design of π‐extended conjugation ‘V‘‐shaped red shifted bioluminescent D‐luciferin analogues based on a novel benzobisthiazole core is described. The divergent synthetic route allowed access to a range of amine donor substituents through an S_NAr reaction. In spectroscopic studies, the ‘V’‐shaped luciferins exhibited narrower optical band gaps, more red‐shifted absorption and emission spectra than...

article

Non‐Contrast‐Enhanced MR Arteriography of Potential Living‐Related Liver Donor: Using Contrast Enhanced CT Arteriography as Standard Reference

Wei‐Ching Lin, Chun‐Ming Chen, Antonio Carlos Westphalen, Tzu‐Yang Lin, more

Journal of Magnetic Resonance Imaging > 58 > 3 > 894 - 904

Background Contrast‐enhanced computed tomography angiography (CTA) and magnetic resonance angiography (MRA) are the primary modalities to assess donors' vessels before transplant surgery. Radiation and contrast medium are potentially harmful to donors. Purpose To compare the image quality and visualization scores of hepatic arteries on CTA and balanced steady‐state free‐precession (bSSFP) non‐contrast‐enhanced...

article

From self‐care behaviours to cardiometabolic risks prevention for the health of farmers: Nursing implications

Yu‐Ting Huang, Ming‐Shyan Lin, Kathy James, Chia‐Hao Chang, more

Journal of Advanced Nursing > 79 > 8 > 3025 - 3034

Aims The study aimed to explore farmers' self‐care behaviours including oral hygiene, remaining natural teeth, cardiometabolic risks, hepatitis, risk of stroke and their determinant factors. Methods This cross‐sectional study was conducted between June 2020 and March 2021 in the south‐western remote areas of Taiwan. We recruited current farmers who participated in an annual community health screening...

article

Comparison of medical resource consumption between oral cavity squamous cell carcinoma with and without sarcopenia: A nationwide population‐based cohort study

Wan‐Ming Chen, Chia‐Hao Chang, Jenq‐Yuh Ko, Ming‐Chih Chen, more

Head & Neck > 45 > 7 > 1717 - 1727

Purpose No study has compared long‐term medical resource consumption between patients with oral cavity squamous cell carcinoma (OCSCC) with and without sarcopenia receiving curative surgery. Patients and Methods Generalized linear mixed and logistic regression models were employed to evaluate the number of postoperative visits and medical reimbursement for head and neck cancer or complications...

article

Damage to living trees contributes to almost half of the biomass losses in tropical forests

Daniel Zuleta, Gabriel Arellano, Sean M. McMahon, Salomón Aguilar, more

Global Change Biology > 29 > 12 > 3409 - 3420

Accurate estimates of forest biomass stocks and fluxes are needed to quantify global carbon budgets and assess the response of forests to climate change. However, most forest inventories consider tree mortality as the only aboveground biomass (AGB) loss without accounting for losses via damage to living trees: branchfall, trunk breakage, and wood decay. Here, we use ~151,000 annual records of tree...

article

Correlations among lean tissue index, physical activity, clinical parameters, diet quality, and nutritional status in patients receiving haemodialyses

Ya‐Hsin Hsiao, Chia‐Hao Chang, Peir‐Haur Hung, Tsuey‐Yuan Huang

Journal of Renal Care > 49 > 2 > 101 - 109

Introduction Poor diet quality and malnutrition accelerate protein and energy depletion. This can result in a diminished lean tissue index (LTI) and an inability to perform daily activities, both of which increase the risk of falls and affect the quality of life. Objective This study investigated the correlations among LTI, physical activity (PA), clinical parameters, diet quality, and nutritional...

article

Linking seed size and number to trait syndromes in trees

Michal Bogdziewicz, Marie‐Claire Aravena Acuña, Robert Andrus, Davide Ascoli, more

Global Ecology and Biogeography > 32 > 5 > 683 - 694

Aim Our understanding of the mechanisms that maintain forest diversity under changing climate can benefit from knowledge about traits that are closely linked to fitness. We tested whether the link between traits and seed number and seed size is consistent with two hypotheses, termed the leaf economics spectrum and the plant size syndrome, or whether reproduction represents an independent dimension...

article

Effects of Soil Type and Thermal Boundary on Predicting Temperature Profiles and Groundwater Fluxes

Chia‐Hao Chang, Ying‐Fan Lin, Yo‐Jin Shiau, Yi‐Zhih Tsai, more

Groundwater > 61 > 2 > 203 - 214

In the last few years, several articles have studied heat as a groundwater tracer and developed analytical geothermal solutions to predict the subsurface temperature and groundwater fluxes. These solutions can be sorted into steady‐state and transient solutions. The steady‐state solutions cannot describe the time‐varying subsurface temperature, while the transient solutions ignore subsurface thermal...

article

Consistency of demographic trade‐offs across 13 (sub)tropical forests

Stephan Kambach, Richard Condit, Salomón Aguilar, Helge Bruelheide, more

Journal of Ecology > 110 > 7 > 1485 - 1496

Organisms of all species must balance their allocation to growth, survival and recruitment. Among tree species, evolution has resulted in different life‐history strategies for partitioning resources to these key demographic processes. Life‐history strategies in tropical forests have often been shown to align along a trade‐off between fast growth and high survival, that is, the well‐known fast–slow...

article

Globally, tree fecundity exceeds productivity gradients

Valentin Journé, Robert Andrus, Marie‐Claire Aravena, Davide Ascoli, more

Ecology Letters > 25 > 6 > 1471 - 1482

Lack of tree fecundity data across climatic gradients precludes the analysis of how seed supply contributes to global variation in forest regeneration and biotic interactions responsible for biodiversity. A global synthesis of raw seedproduction data shows a 250‐fold increase in seed abundance from cold‐dry to warm‐wet climates, driven primarily by a 100‐fold increase in seed production for a given...

article

Distribution of biomass dynamics in relation to tree size in forests across the world

Camille Piponiot, Kristina J. Anderson‐Teixeira, Stuart J. Davies, David Allen, more

New Phytologist > 234 > 5 > 1664 - 1677

Tree size shapes forest carbon dynamics and determines how trees interact with their environment, including a changing climate. Here, we conduct the first global analysis of among‐site differences in how aboveground biomass stocks and fluxes are distributed with tree size. We analyzed repeat tree censuses from 25 large‐scale (4–52 ha) forest plots spanning a broad climatic range over five continents...

article

Variation in biotic interactions mediates the effects of masting and rainfall fluctuations on seedling demography in a subtropical rainforest

Francesco Martini, Chia‐Hao Chang‐Yang, I‐Fang Sun

Journal of Ecology > 110 > 4 > 762 - 771

Seedling dynamics are critical for determining community composition and future forest structure. Two mechanisms are crucial drivers of seedling vital rates: biotic interactions and environmental filtering. Biotic interactions at the neighbourhood scale, such as the Janzen–Connell effect, are considered among the main mechanisms maintaining species coexistence. These effects can show considerable...

article

Demographic composition, not demographic diversity, predicts biomass and turnover across temperate and tropical forests

Jessica F. Needham, Daniel J. Johnson, Kristina J. Anderson‐Teixeira, Norman Bourg, more

Global Change Biology > 28 > 9 > 2895 - 2909

The growth and survival of individual trees determine the physical structure of a forest with important consequences for forest function. However, given the diversity of tree species and forest biomes, quantifying the multitude of demographic strategies within and across forests and the way that they translate into forest structure and function remains a significant challenge. Here, we quantify the...

article

Individual tree damage dominates mortality risk factors across six tropical forests

Daniel Zuleta, Gabriel Arellano, Helene C. Muller‐Landau, Sean M. McMahon, more

New Phytologist > 233 > 2 > 705 - 721

The relative importance of tree mortality risk factors remains unknown, especially in diverse tropical forests where species may vary widely in their responses to particular conditions. We present a new framework for quantifying the importance of mortality risk factors and apply it to compare 19 risks on 31 203 trees (1977 species) in 14 one‐year periods in six tropical forests. We defined a condition...

article

Closing the life cycle of forest trees: The difficult dynamics of seedling‐to‐sapling transitions in a subtropical rainforest

Chia‐Hao Chang‐Yang, Jessica Needham, Chia‐Ling Lu, Chang‐Fu Hsieh, more

Journal of Ecology > 109 > 7 > 2705 - 2716

Experimental and observational studies on seedling dynamics posit mechanisms that can influence forest diversity, structure and function. However, high mortality and slow growth of seedlings make it difficult to evaluate the importance of this life‐history filter to total tree life history. Quantifying the duration and transition of the seedling phase would help us understand this ‘black box’ in...

article

Future outcomes and health needs of chronic hepatitis C patients after receiving antiviral therapy

Yu‐Hsuan Hsiao, Wei‐Ming Chen, Chia‐Hao Chang, Mei‐Yen Chen

Journal of Advanced Nursing > 77 > 8 > 3370 - 3378

Aims To study the future outcomes and health needs of chronic hepatitis C (CHC) patients after receiving direct‐acting antiviral (DAA) therapy based on the health promotion perspectives and cardiometabolic risks in a rural setting. Design This cross‐sectional study was conducted from May to December 2019 in coastal western and southern Taiwan. Methods We included CHC patients who were diagnosed...

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INFONA - science communication portal

Search results for: Chia-Hao Chang

Major axes of variation in tree demography across global forests

Integrating several analytical methods to assess strength of ecological processes behind metacommunity assembly

Proximate cues of flowering in a subtropical rain forest

Effects of a walking exercise programme on disease activity, sleep quality, and quality of life in systemic lupus erythematosus patients

Synthesis and Bioluminescence of ‘V’‐Shaped Firefly Luciferin Analogues Based on A Novel Benzobisthiazole Core

Non‐Contrast‐Enhanced MR Arteriography of Potential Living‐Related Liver Donor: Using Contrast Enhanced CT Arteriography as Standard Reference

From self‐care behaviours to cardiometabolic risks prevention for the health of farmers: Nursing implications

Comparison of medical resource consumption between oral cavity squamous cell carcinoma with and without sarcopenia: A nationwide population‐based cohort study

Damage to living trees contributes to almost half of the biomass losses in tropical forests

Correlations among lean tissue index, physical activity, clinical parameters, diet quality, and nutritional status in patients receiving haemodialyses

Linking seed size and number to trait syndromes in trees

Effects of Soil Type and Thermal Boundary on Predicting Temperature Profiles and Groundwater Fluxes

Consistency of demographic trade‐offs across 13 (sub)tropical forests

Globally, tree fecundity exceeds productivity gradients

Distribution of biomass dynamics in relation to tree size in forests across the world

Variation in biotic interactions mediates the effects of masting and rainfall fluctuations on seedling demography in a subtropical rainforest

Demographic composition, not demographic diversity, predicts biomass and turnover across temperate and tropical forests

Individual tree damage dominates mortality risk factors across six tropical forests

Closing the life cycle of forest trees: The difficult dynamics of seedling‐to‐sapling transitions in a subtropical rainforest

Future outcomes and health needs of chronic hepatitis C patients after receiving antiviral therapy

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