نتایج جستجو برای: stoichiometry

تعداد نتایج: 9357  

Journal: :Philosophical Transactions of the Royal Society B: Biological Sciences 2009
Han Olff David Alonso Matty P. Berg B. Klemens Eriksson Michel Loreau Theunis Piersma Neil Rooney

In ecosystems, species interact with other species directly and through abiotic factors in multiple ways, often forming complex networks of various types of ecological interaction. Out of this suite of interactions, predator-prey interactions have received most attention. The resulting food webs, however, will always operate simultaneously with networks based on other types of ecological intera...

2017
Y. Y. Kostogorova-Beller Jeffrey E. Shield Matthew J. Kramer M. J. Kramer

Journal: :Chemical communications 2012
Leigh Loots Helene Wahl Leandi van der Westhuizen Delia A Haynes Tanya le Roex

A second polymorphic form of a 1 : 2 : 3 pamoate : DABCO : water salt has been obtained by liquid-assisted grinding, and it is shown that interconversion between this salt and a salt with 1 : 1 : 2 stoichiometry is facile via liquid-assisted grinding with additional amounts of pamoic acid (to generate the 1 : 1 : 2 salt) or DABCO (to generate the 1 : 2 : 3 salt).

2015
Robert P. J. Nieuwenhuizen Mark Bates Anna Szymborska Keith A. Lidke Bernd Rieger Sjoerd Stallinga

In the Results and Methods sections, there are errors in the fourth and tenth equations. The variables M 1 should read as (M 1-1). Please view the complete, correct Equation 4 here: Q t ð Þ ¼ 2 M 1 À 1 ð Þ 1 À k bl t expðk bl tÞ À 1 þ mM 1 1 À expðÀk bl tÞ ð Þ Please view the complete, correction Equation 10 here: Q model t ð Þ ¼ 2 M 1 À 1 ð Þ 1 À k bl t expðk bl tÞ À 1 þ mM 1 1 À expðÀk bl tÞ ...

2014
M. Lasbleiz K. Leblanc S. Blain J. Ras V. Cornet - Barthaux S. Hélias Nunige B. Quéguiner

Introduction Conclusions References Tables Figures

2014
Maria Mooshammer Wolfgang Wanek Sophie Zechmeister-Boltenstern Andreas Richter

Terrestrial microbial decomposer communities thrive on a wide range of organic matter types that rarely ever meet their elemental demands. In this review we synthesize the current state-of-the-art of microbial adaptations to resource stoichiometry, in order to gain a deeper understanding of the interactions between heterotrophic microbial communities and their chemical environment. The stoichio...

Journal: :The American naturalist 2008
Ford Ballantyne Duncan N L Menge Annette Ostling Parviez Hosseini

Stoichiometric nutrient ratios are the consequence of myriad interacting processes, both biotic and abiotic. Theoretical explanations for autotroph stoichiometry have focused on species' nutrient requirements but have not addressed the role of nutrient availability in determining autotroph stoichiometry. Remineralization of organic N and P supplies a significant fraction of inorganic N and P to...

2005
PAUL C. FROST WYATT F. CROSS JONATHAN P. BENSTEAD

1. Ecological stoichiometry is a conceptual framework that considers how the balance of energy and elements affects and is affected by organisms in the environment. This perspective has seen recent development primarily in marine and freshwater pelagic ecosystems but its widescale application to freshwater benthic ecosystems remains limited. 2. This paper briefly introduces the concept of ecolo...

2017
Gabriel Yvon-Durocher Charlotte-Elisa Schaum Mark Trimmer

The elemental composition of phytoplankton (C:N:P stoichiometry) is a critical factor regulating nutrient cycling, primary production and energy transfer through planktonic food webs. Our understanding of the multiple direct and indirect mechanisms through which temperature controls phytoplankton stoichiometry is however incomplete, increasing uncertainty in the impacts of global warming on the...

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