Results 61 to 70 of about 1,149,747 (305)

La Educación Ambiental no Formal orientada en la Pedagogía de la Esperanza

Paradigma, 2018
A mediados del año 2017, cercanos a terminar la segunda década del siglo XXI, la humanidad se debate ante el terror de un planeta sumido en el cambio climático, la extinción de las especies y pérdida de los bosques.
Luis Daniel Germer
doaj   +1 more source

Roots of language

Refubium (Universitätsbibliothek der Freien Universität Berlin), 2016
Roots of language was originally published in 1981 by Karoma Press (Ann Arbor). It was the first work to systematically develop a theory first suggested by Coelho in the late nineteenth century: that the creation of creole languages somehow reflected ...
D. Bickerton
semanticscholar   +1 more source

Central Nervous System Tumors Among Infants in Canada: A Report From CYP‐C

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Central nervous system (CNS) tumors in infants are rare, pose unique clinical challenges, and lack large‐scale evidence‐based data to guide management. This study seeks to describe CNS tumors in Canadian infants and to compare their outcomes with those of older children.
Samuel Sassine, Hallie Coltin, Sylvia Cheng, Lucie Lafay‐Cousin, Vanan Issai Magimairajan, Craig Erker, Stéphanie Vairy, Lynette Bowes, Adam Fleming, Donna Johnston, Sarah McKillop, Roona Sinha, Julie Bennett, Christina Coleman, Laura Wheaton, Shayna Zelcer, Samuele Renzi, Thai Hoa Tran   +17 more
wiley   +1 more source

Redefining fine roots improves understanding of below-ground contributions to terrestrial biosphere processes.

New Phytologist, 2015
Fine roots acquire essential soil resources and mediate biogeochemical cycling in terrestrial ecosystems. Estimates of carbon and nutrient allocation to build and maintain these structures remain uncertain because of the challenges of consistently ...
M. McCormack, I. Dickie, D. Eissenstat, T. Fahey, Christopher W. Fernandez, Dali Guo, Heljä-Sisko Helmisaari, E. Hobbie, C. Iversen, R. Jackson, J. Leppälammi-Kujansuu, R. Norby, Richard P Phillips, K. Pregitzer, Seth G. Pritchard, Boris Rewald, M. Zadworny   +16 more
semanticscholar   +1 more source

The exploitative segregation of plant roots

Science, 2020
Competitive roots Much of the world's plant biomass exists out of sight underground in the form of roots. Cabal et al. developed a theoretical model and tested it empirically to explain the rules that govern root growth (see the Perspective by Semchenko).
Ciro Cabal, R. Martínez-García, Aurora de Castro Aguilar, F. Valladares, S. Pacala   +4 more
semanticscholar   +1 more source

Impact of Radiation Therapy on Physical and Psychosocial Health of Adolescents and Young Adults: A Joint Report From the Children's Oncology Group AYA and Radiation Oncology Committees

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Rates of cancer among adolescents and young adults (AYA), age 15–39 years, are increasing. Consequently, radiation oncologists are treating more AYAs who have diagnoses spanning both pediatric and adult practices. Compared to pediatric and older adult patients, AYAs face a unique set of challenges.
Hesham Elhalawani, Rachel K. Peterson, Avani D. Rao, Laurie J. McKenzie, Ahmed Magdy Elmotayam, Leslie Chang, Michael Roth, Susan L. McGovern   +7 more
wiley   +1 more source

Nutrient uptake by competing roots in soil [PDF]

, 1972
It is postulated that definition of the availability of nutrients in soil t for plant uptake, will not be satisfactory, unless there is consideration of the plant's role as the absorber. The amount of nutrients absorbed by plants from soil can be related
Baldwin, John Paul., Baldwin, John Paul
core   +1 more source

Retrospective Analysis of Donor Lymphocyte Infusions in Pediatric Patients With Mixed Chimerism After Hematopoietic Stem Cell Transplantation

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Allogeneic hematopoietic stem cell transplantation (alloHSCT) is an essential therapy for several malignant and nonmalignant diseases, but relapse and graft loss remain the principal threats to its success. Routine monitoring of chimerism and minimal residual disease (MRD) enables early detection of imminent recurrence and guides ...
Carmen Junk, Sebastian Michaelis, Michaela Döring, Thomas Eichholz, Ursula Holzer, Martin Ebinger, Tim Flaadt, Rupert Handgretinger, Peter Lang, Jan Frederic Weller, Markus Mezger   +10 more
wiley   +1 more source

CGIAR Research Program on Roots, Tubers and Bananas - Plan of Work and Budget 2021

, 2021
The CGIAR Research Program on Roots, Tubers and Bananas (RTB) is a partnership collaboration led by the International Potato Center implemented jointly with Bioversity International, the International Center for Tropical Agriculture (CIAT), the ...
CGIAR Research Program on Roots, Tubers and Bananas
core  

Different Responses of Soil Bacterial and Fungal Communities in Three Typical Vegetations following Nitrogen Deposition in an Arid Desert

Microorganisms, 2023
The effects of increased nitrogen (N) deposition on desert ecosystems have been extensively studied from a plant community perspective. However, the response of soil microbial communities, which play a crucial role in nutrient cycling, to N inputs and ...
Zhihao Zhang, Gangliang Tang, Xutian Chai, Bo Liu, Xiaopeng Gao, Fanjiang Zeng, Yun Wang, Bo Zhang   +7 more
doaj   +1 more source