Results 11 to 20 of about 1,001,571 (236)

Cliques Are Bricks for k-CT Graphs

open access: yesMathematics, 2021
Many real networks in biology, chemistry, industry, ecological systems, or social networks have an inherent structure of simplicial complexes reflecting many-body interactions.
Václav Snášel   +2 more
doaj   +1 more source

Validating environmental DNA metabarcoding for marine fishes in diverse ecosystems using a public aquarium

open access: yesEnvironmental DNA, 2020
Environmental DNA metabarcoding has been widely touted as a powerful tool for monitoring biodiversity in marine ecosystems. However, this method still requires thorough validation and standardization before it can be widely applied for ecological ...
Kevin C. Morey   +2 more
doaj   +1 more source

Investing in monarch conservation: understanding private funding dynamics

open access: yesFrontiers in Conservation Science, 2022
Non-profit environmental organizations (NGOs) rely heavily on external donors to fulfill their mandates. However, forecasting donations for long-term planning is an elusive task at best.
Rodrigo Solis-Sosa   +3 more
doaj   +1 more source

Condensate as a water source in terrestrial and extra-terrestrial conditions

open access: yesWater Resources and Industry, 2023
A condensate generated from air in air conditioning (AC) units is a reliable, and a stable source of water possible to be reused in different forms.
Anna Jurga   +3 more
doaj   +1 more source

Ecological Criteria for Comparing Linear and Circular Economies

open access: yesResources, 2018
In the present article, the main principles of the circular economy are outlined in contradistinction with the existing and traditional linear economic model.
Nikolay I. Didenko   +2 more
doaj   +1 more source

The Evolutionary Mechanism of Formation of Biosphere Closure

open access: yesMathematics, 2023
In accordance with the ideas of V.I. Vernadsky, the Earth’s biosphere can exist only because of the high degree of closure of the cyclic matter transformations carried out by all living organisms by using the energy from the Sun.
Sergey Bartsev, Andrey Degermendzhi
doaj   +1 more source

A economia ecológica e evolucionária de Georgescu-Roegen

open access: yesBrazilian Journal of Political Economy, 2010
The ecological and evolutionary economics of Georgescu-Roegen. The main argument of this paper is that Georgescu-Roegen's contributions represent a major disruption with economics' pre-analytic vision.
Andrei Domingues Cechin   +1 more
doaj   +1 more source

In defense of mechanism [PDF]

open access: yes, 2006
In Life Itself and in Essays on Life Itself, Robert Rosen (1991, 2000) argued that machines were, in principle, incapable of modeling the defining feature of living systems, which he claimed to be the existence of closed causal loops.
Wells, Andrew J.
core   +1 more source

Methodology of Calculating Cost of Sustainable Business-Processes Dealing with Solid Municipal Waste Treatment

open access: yesВестник Российского экономического университета имени Г. В. Плеханова, 2022
The article studies the problem of calculating the cost of business-processes of treating solid municipal waste (SMW) in conditions of shaping closed-cycle economy.
E. A. Zakharova
doaj   +1 more source

Creation of Closed Ecological Life Support Systems: Results, Critical Problems and Potentials [PDF]

open access: yesЖурнал Сибирского федерального университета: Серия Биология, 2008
As experiments have shown, a closed ecological life support system based on a biological material exchange is fully realizable and contains possibilities for further improvement.
Iosef I Gitelson, Genry M. Lisovsky
doaj  

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