Results 31 to 40 of about 11,653 (164)

Anthropogenic Factors Drive the Depletion of Fish Functional Β Diversity Within and Outside Two National Reserves in the Peruvian Amazon

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 35, Issue 12, December 2025.
ABSTRACT Understanding the impact of human activities on fish communities is critical for the effective conservation of Amazonian ecosystems. In this study, we sampled environmental DNA (eDNA) from 17 sites (lakes and rivers) in two Peruvian national reserves, Pacaya‐Samiria and Allpahuayo‐Mishana, using a metabarcoding approach with four genetic ...
B. Prat   +6 more
wiley   +1 more source

El finançament dels governs subcentrals en els països federals [PDF]

open access: yes, 2006
1. Introducció. – 2. Grau de descentralització fiscal. – 3. Funcions de despesa per nivells de govern. – 4. Estructura d’ingressos per nivells de govern. Característiques generals i grau de dependència financera. – 5.
Bosch Roca, Núria
core  

Machine Learning for Maximizing the Memristivity of Single and Coupled Quantum Memristors

open access: yesAdvanced Quantum Technologies, Volume 8, Issue 12, December 2025.
Machine learning (ML) methods are proposed to characterize the memristive properties of single and coupled quantum memristors. It is shown that maximizing the memristivity leads to large values in the degree of entanglement of two quantum memristors, unveiling the close relationship between quantum correlations and memory.
Carlos Hernani‐Morales   +5 more
wiley   +1 more source

Nutrient exchange in arbuscular mycorrhizal symbiosis from a thermodynamic point of view

open access: yesNew Phytologist, Volume 222, Issue 2, Page 1043-1053, April 2019., 2019
Summary To obtain insights into the dynamics of nutrient exchange in arbuscular mycorrhizal (AM) symbiosis, we modelled mathematically the two‐membrane system at the plant–fungus interface and simulated its dynamics. In computational cell biology experiments, the full range of nutrient transport pathways was tested for their ability to exchange ...
Ingo Dreyer   +17 more
wiley   +1 more source

The soft channels of policy diffusion: Insights from local climate change adaptation policy

open access: yesPolicy Studies Journal, Volume 52, Issue 4, Page 881-906, November 2024.
Abstract Diffusion has become both an important concept for studying policy spread and a popular governance approach, particularly where direct coercion is unavailable or undesirable. However, the prevailing mechanism‐centered concept is difficult to measure and poorly captures the governance potential of policy diffusion. To address these issues, this
Kai Schulze
wiley   +1 more source

Mesures per al foment de l'habitatge a les grans ciutats [PDF]

open access: yes, 1998
L'autor planteja com l'esgotament del sòl edificable i un parc d'habitatges caracteritzat per l'antiguitat fan que les actuacions sobre el parc existent siguin l'única via de la política d'habitatge a la ciutat de Barcelona i la resta de municipis de la ...
Carreras-Moysi, Borja
core   +1 more source

A General and Highly Versatile Heterogeneous Pd‐Catalyzed Oxidative Aminocarbonylation of Alkynes with Aromatic and Aliphatic Amines

open access: yesChemSusChem, Volume 17, Issue 13, July 8, 2024.
A heterogeneously‐catalysed oxidative aminocarbonylation of alkynes with aromatic and aliphatic amines has been developed for the first time. By using a [Pd/Mg3Al‐LDH]‐300(D) as a general and highly versatile nanocatalyst, composed by a partially dehydrated and dehydroxylated LDH basic matrix support together with homogeneously surface‐distributed ...
Juan Camilo Arango‐Daza   +2 more
wiley   +1 more source

El Pla d'Acció Municipal. Instrument d'actuació municipal de la Diputació de Barcelona [PDF]

open access: yes, 1983
El debat sobre la situació i la permanència de les diputacions a Catalunya es presenta molt sovint sota una perspectiva no només desenfocada sinó també forca enganyosa, i això per dos motius diferents.
Mateu, Xavier, Rueda, Isabel
core   +3 more sources

Associations among MHC genes, latitude, and avian malaria infections in the rufous‐collared sparrow (Zonotrichia capensis)

open access: yesEcology and Evolution, Volume 14, Issue 7, July 2024.
We investigated MHC gene associations with Plasmodium and Haemoproteus infections in South American rufous‐collared sparrows across a latitudinal gradient, finding non‐linear associations between MHC‐II diversity and latitude, with individuals from north Chile exhibiting lower genetic diversity.
Juan Rivero de Aguilar   +17 more
wiley   +1 more source

Assessing microbial plastic degradation requires robust methods

open access: yesMicrobial Biotechnology, Volume 17, Issue 4, April 2024.
We question the role microbes may play in plastic pollution bioremediation by (i) defining polymer biodegradability (i.e., recalcitrant, hydrolysable and biodegradable polymers), and (ii) reviewing best practices for evaluating microbial biodegradation of plastics.
Theo Obrador‐Viel   +4 more
wiley   +1 more source

Home - About - Disclaimer - Privacy