Results 51 to 60 of about 21,578 (192)

Knowledge is not power: Learning in polycentric governance systems

open access: yesReview of Policy Research, EarlyView.
Abstract The link between knowledge and decision‐making in polycentric systems is shaped by the process of collective learning, where policy actors participate in multiple policy forums to acquire, translate, and disseminate knowledge. This article argues that the relationship between learning and participation in polycentric systems differs for actors
Pamela Rittelmeyer   +5 more
wiley   +1 more source

Azar y Aritmetica [PDF]

open access: yesarXiv, 2009
Let omega(n) be the number of prime divisors of an integer n. Let n be an integer taken at random between 1 and N. What can be said about the value then taken by omega(n)? What is its expected value? What is its distribution in the limit? What is the probability that omega(n) will deviate greatly from its expected value? We will study these questions
arxiv  

Incorporating citizen science into IUCN Red List assessments

open access: yesConservation Biology, Volume 39, Issue 2, April 2025.
Abstract Many citizen scientists are highly motivated to help address the current extinction crisis. Their work is making valuable contributions to protecting species by raising awareness, identifying species occurrences, assessing population trends, and informing direct management actions, such as captive breeding.
Rachael Gallagher   +10 more
wiley   +1 more source

Classification of exceptional log Del Pezzo surfaces with delta=1 [PDF]

open access: yes, 2002
The exceptional log Del Pezzo surfaces with delta=1 are classified.
arxiv   +1 more source

Amazonian conservation across archipelagos of Indigenous territories

open access: yesConservation Biology, Volume 39, Issue 2, April 2025.
Abstract Indigenous stewardship is essential to the conservation of biocultural diversity, yet conventional conservation models often treat Indigenous territories (ITs) as homogeneous or isolated units. We propose that archipelagos of Indigenous territories (AITs), clusters of ITs that span geographies but are connected through shared cultural or ...
Michael S. Esbach   +3 more
wiley   +1 more source

Percepciones estudiantiles sobre seguridad universitaria: El caso de la Universidad Nacional de Costa Rica

open access: yesAbra, 2020
Este trabajo busca establecer una línea base de la percepción de seguridad del sector estudiantil en la Universidad Nacional de Costa Rica. Trabaja con una muestra de n= 954 casos del campus Omar Dengo y la sede Benjamín Núñez.
Marly Yisette Alfaro Salas   +1 more
doaj   +1 more source

Elasticidad de las membranas biológicas [PDF]

open access: yesR. Mexicana de F\'isica E 56(1): 107-122 (2010), 2015
In this article we review the present knowledge on the elastic properties of membranes of biological origin. Assuming the fluid mosaic hypothesis, we consider the phospholipid bilayer as the structural base of a biological membrane. We expose a model due to Helfrich which can be used to obtain an expression for the membrane elastic energy.
arxiv  

Essential skills for the training of conservation social scientists

open access: yesConservation Biology, Volume 39, Issue 2, April 2025.
Abstract Since 2000, the field of biodiversity conservation has been reckoning with the historical lack of effective engagement with the social sciences in parallel with rapid declines in biodiversity and escalating concerns regarding socioecological justice exacerbated by many common conservation practices.
Laura Thomas‐Walters   +9 more
wiley   +1 more source

Paciente con hipertensión arterial y deterioro de su clase funcional secundarios al síndrome de taquicardia postural ortostática

open access: yesRevista Colombiana de Cardiología, 2017
Resumen: La hipertensión ortostática ha sido un diagnóstico elusivo en la práctica clínica por la falta de estudio respecto a su fisiopatología y epidemiología. De esa manera, el abordaje clínico no ha sido expedito para su diagnóstico y tratamiento, así
Dagnóvar Aristizábal-Ocampo   +3 more
doaj  

Sistemas distrituales de innovación

open access: yesArbor: Ciencia, Pensamiento y Cultura, 2012
El concepto de sistema de innovación ha tenido un protagonismo creciente en el debate sobre los determinantes de la innovación y sus implicaciones en las políticas de innovación.
Daniel Gabaldón Estevan   +2 more
doaj   +1 more source

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