Results 11 to 20 of about 209,583 (159)
Non-Native Plants Alter Bird-Plant Frugivory Network Structure in a Human-Modified Tropical Landscape. [PDF]
DNA metabarcoding of faecal samples from 21 frugivorous bird species in Gamboa, Panama, was used to assess how non‐native plants influence frugivory network structure. Non‐native species, though comprising only 28% of plants, reduced nestedness, increased connectance and modularity, and caused disproportionately high secondary bird extinctions while ...
Fell A +6 more
europepmc +2 more sources
Persistent Effects of Landscape Context on Recruitment Dynamics During Secondary Succession of Tropical Forests. [PDF]
In a tropical agricultural landscape, conserving strips of secondary forests along streams had a positive impact on tree recruitment in young regrowing forests. Surprisingly, this effect persisted even as the forests grew older, suggesting that seed dispersal continued to be a limiting factor, even after 30 years of succession.
van Breugel M +3 more
europepmc +2 more sources
Using convolutional neural networks to count parrot nest‐entrances on photographs from the largest known colony of Psittaciformes [PDF]
Counting animal populations is fundamental to understand ecological processes. Counts make it possible to estimate the size of an animal population at specific points in time, which is essential information for understanding demographic change.
Gabriel L. Zanellato +3 more
doaj +2 more sources
Resumo Este artigo aponta as influências do conceito de soberania popular formulado por Rousseau na teoria política contemporânea. Partindo da ideia de que democracia e soberania do povo não estão necessariamente vinculadas, pretendemos mostrar como essa
Gabriela Rodrigues da Guia Rosa
doaj +1 more source
Teorías aplicables a la protección ambiental de los recursos hídricos compartidos internacionalmente
El artículo presenta un avance de investigación alusivo al rol que desempeñan las diferentes teorías referidas a la soberanía sobre los recursos hídricos compartidos por Estados y analiza su pertinencia y utilidad, con el fin de identificar los ...
Dayana Becerra
doaj +1 more source
El presenta artículo analiza la progresiva pérdida de significado de la expresión “democracia representativa” en los Estados europeos contemporáneos, a través del estudio de las transformaciones que se han producido en las funciones de la representación ...
Marcos Criado de Diego
doaj +2 more sources
A SOBERANIA COMO CONDIÇÃO FUNDAMENTAL DA POLÍTICA
O presente artigo tem como o objetivo principal compreender a soberania como condição fundamental da política. Os objetivos específicos são analisar a relação entre Soberania, Estado e Governo, caracterizar a teoria da Soberania e Política e analisar a ...
Alexandra Lorenzi da Silva +1 more
doaj +1 more source
Esta investigación etnográfica se centra en los huertos urbanos comunitarios con el objetivo de examinar en qué consiste su dimensión comunitaria y analizar de qué maneras se expresa. Para ello, el artículo aborda estas cuestiones desde un punto de vista
Nuria del Viso +2 more
doaj +1 more source
Democracia representativa vs. democracia direta. Doi: 10.5020/2317-2150.2007.v12.ed.esp.p69
Este artigo aborda os problemas teóricos e práticos da soberania popular. Originalmente, “soberania do povo” era um grito de luta contra a soberania monárquica.
Günther Maluschke
doaj +1 more source
The Role of Technology Standards in Strategic Hedging
ABSTRACT This article argues that technology standards provide Southeast Asian states with a distinct mechanism for hedging amid intensifying US–China technological rivalry. Traditional hedging strategies emphasizing economic engagement without political alignment are increasingly constrained by the weaponization of technological interdependence ...
Darren J. Lim, Anthea Roberts
wiley +1 more source

