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Effect of Seasonal Variation on the Cuticular Chemical Composition of Atta laevigata (Smith 1858) (Hymenoptera: Formicidae).
J Chem Ecol
January 2025
Laboratório de Ecologia Comportamental, Centro de Estudos em Recursos Naturais, Universidade Estadual de Mato Grosso do Sul, Dourados, MS, Brazil.
Cuticular hydrocarbons (CHCs) constitute an important class of chemical compounds present in the cuticular layer of insects, where their main functions are to prevent desiccation of the cuticle and as signals for intraspecific recognition. Studies concerning CHCs have shown a phenotypic flexibility of their composition, depending on environmental factors. However, the way that each of these factors influences this variation remains little explored.
View Article and Find Full Text PDFDilemmas in Linking Microbial Carbon Use Efficiency With Soil Organic Carbon Dynamics.
Glob Chang Biol
February 2025
State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China.
There are still large uncertainties on the relationships between microbial carbon use efficiency and soil organic carbon across (1) different carbon use efficiency estimation methods, (2) various temporal, spatial and biological scales, and (3) multiple climate change scenarios. These uncertainties call for further efforts to re-examine the relationships between carbon use efficiency and soil organic carbon to better represent microbial processes in the current modelling frameworks.
View Article and Find Full Text PDFCalifornia annual grass phenology and allometry influence ecosystem dynamics and fire regime in a vegetation demography model.
New Phytol
January 2025
Climate & Ecosystem Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA.
Grass-dominated ecosystems cover wide areas of the land surface yet have received far less attention from the Earth System Model (ESM) community. This limits model projections of ecosystem dynamics in response to global change and coupled vegetation-climate dynamics. We used the Functionally Assembled Terrestrial Ecosystem Simulator (FATES), a dynamic vegetation demography model, to determine ecosystem sensitivity to alternate, observed grass allometries and biophysical traits, and evaluated model performance in capturing California C annual grasslands structure and fire regimes.
View Article and Find Full Text PDFSherpaPak Cardiac Transport System: Experience in Pediatric Heart Transplantation.
Clin Transplant
February 2025
Division of Pediatric Cardiology, Mount Sinai Kravis Children's Hospital, New York, New York, USA.
Introduction: The present study aimed to assess the clinical outcomes of pediatric heart transplant patients whose donor hearts were preserved with the SherpaPakCardiac Transport System.
Methods: All pediatric patients undergoing heart transplantation at our center between January 2020 and June 2024 were included and described. Vasoactive inotropic score (VIS) was calculated.
Photoperiodic flowering and AFT/FTL3 gene expression in flowering-time varieties in chrysanthemum.
Physiol Plant
January 2025
Institute of Crop Science, NARO, Ibaraki, Japan.
Chrysanthemum (Chrysanthemum morifolium Ramat.) is a short-day plant, and flowering is stimulated when the photoperiod is shorter than a variety-specific threshold (critical day length). In Japan, summer-to-autumn-flowering cultivars (SA-cvs.
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