Results 1 to 10 of about 3,531,325 (349)

Strategies of protected area use by Asian elephants in relation to motivational state and social affiliations

Scientific Reports, 2022
Animals’ space requirements may vary according to life-history and social considerations. We observed 516 wild adult Asian elephants from both sexes, over 9 years, to investigate how life-history traits and social behavior influence protected-area (PA ...
Anastasia E. Madsen, Christin Minge, T. V. Pushpakumara, U. Sameera Weerathunga, U. K. Padmalal, Devaka K. Weerakoon, Shermin de Silva   +6 more
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Chemical Composition, Antimicrobial and Insecticidal Activities of Essential Oils of Discarded Perfume Lemon and Leaves (Citrus Limon (L.) Burm. F.) as Possible Sources of Functional Botanical Agents

Frontiers in Chemistry, 2021
Two essential oils were isolated from discarded perfume lemon and leaves (Citrus limon (L.) Burm. F.) by hydro-distillation with good yield (0.044% for perfume lemon and 0.338% for leaves). Their biological activities were evaluated against five selected
Panpan Wu, Panpan Wu, Xiaowen Tang, Xiaowen Tang, Rongchao Jian, Rongchao Jian, Jiahao Li, Jiahao Li, Maoyu Lin, Maoyu Lin, Huachao Dai, Huachao Dai, Kangpeng Wang, Kangpeng Wang, Zhaojun Sheng, Zhaojun Sheng, Baizhong Chen, Xuetao Xu, Xuetao Xu, Chen Li, Chen Li, Zhongze Lin, Zhongze Lin, Qingmin Zhang, Qingmin Zhang, Xi Zheng, Xi Zheng, Kun Zhang, Kun Zhang, Dongli Li, Dongli Li, Weiqian David Hong, Weiqian David Hong, Weiqian David Hong   +33 more
doaj   +1 more source

A win-win scenario for photosynthesis and the plasma membrane H+ pump

Frontiers in Plant Science, 2022
In plants, cytosolic and extracellular pH homeostasis are crucial for various physiological processes, including the uptake of macronutrients and micronutrients, cell elongation, cell expansion, and enzyme activity. Proton (H+) gradients and the membrane
Satoru N. Kinoshita, Toshinori Kinoshita, Toshinori Kinoshita   +2 more
doaj   +1 more source

To Leave or Not to Leave: The Distribution of Bequest Motives [PDF]

Review of Economic Studies, 2004
In this paper, we examine the effect of observed and unobserved heterogeneity in the desire to die with positive net worth. Using a structural life-cycle model nested in a switching regression with unknown sample separation, we find that roughly 70 percent of the elderly single population has a bequest motive that may or may not be active depending on ...
Wojciech Kopczuk, Joseph P. Lupton
openaire   +4 more sources

Transcriptional Analysis of Metabolic Pathways and Regulatory Mechanisms of Essential Oil Biosynthesis in the Leaves of Cinnamomum camphora (L.) Presl

Frontiers in Genetics, 2020
The roots, bark, and leaves of Cinnamomum camphora are rich in essential oils, which mainly comprised monoterpenes and sesquiterpenes. Although the essential oils obtained from C.
Jiexi Hou, Jie Zhang, Beihong Zhang, Beihong Zhang, Xiaofang Jin, Haiyan Zhang, Zhinong Jin   +6 more
doaj   +1 more source

Validation of the alkalimetry method for the quantitative determination of free organic acids in raspberry leaves

Журнал органічної та фармацевтичної хімії, 2021
Organic acids are a large group of biologically active compounds that perform important functions in the plant organism. Moreover, all plants, regardless of the species and family, contain organic acids to a small or large extent as organic acids belong ...
O. Yu. Maslov, S. V. Kolisnyk, T. A. Kostina, Z. V. Shovkova, E. Yu. Ahmedov, M. A. Komisarenko   +5 more
doaj   +1 more source

Morphological and taxonomical studies in Blechnum (Blechnaceae-Pteridophyta): B. tabulare and B. magellanicum

Anales del Jardín Botánico de Madrid, 2008
Specimens of B. tabulare and B. magellanicum from their whole geographical area were studied, and taxa were treated as different species. The following characters were analyzed: rhizomes, rhizomatic scales, stipes, division of dimorphic laminae, outline,
Cristina H. Rolleri, Carmen Prada, Lilian Passarelli   +2 more
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Catálogo comentado de las especies de Blechnum L. (Blechnaceae, Pteridophyta) de Mesoamérica y Sudamérica

Anales del Jardín Botánico de Madrid, 2006
A critical checklist of the Mesoamerican and South American species and hybrids of Blechnum is presented. For each entry the place of original publication, types, authors, and pertinent synonyms are included.
Cristina H. Rolleri, Carmen Prada
doaj   +1 more source

To leave or not to leave: retirement intentions and retirement behaviour [PDF]

Ageing and Society, 2014
ABSTRACTResearch on the correspondence between retirement intentions and subsequent behaviour is scarce. We aimed to explore possible associations between retirement intentions and behaviour, using five-year high-quality quantitative panel data on Norwegian senior workers.
SOLEM, PER ERIK, SYSE, ASTRI, FURUNES, TRUDE, MYKLETUN, REIDAR J., DE LANGE, ANNET, SCHAUFELI, WILMAR, ILMARINEN, JUHANI   +6 more
openaire   +3 more sources

Demographic Tipping Points as Early Indicators of Vulnerability for Slow-Breeding Megafaunal Populations

Frontiers in Ecology and Evolution, 2019
Decisions based on trends in population abundance and distribution may fail to protect populations of slow-breeding, long-lived megafauna from irrevocable decline if they ignore demographic constraints.
Shermin de Silva, Shermin de Silva, Shermin de Silva, Peter Leimgruber   +3 more
doaj   +1 more source