Results 91 to 100 of about 601,300 (231)

Tendencias de participación y utilitarismo de la naturaleza en Chiapas-México. Un análisis comparativo

open access: yesLetras Verdes: Revista Latinoamericana de Estudios Socioambientales, 2017
Las políticas de desarrollo han sido utilizadas como instrumentos hegemónicos para legitimar formas de dependencia y justificar la depredación de los recursos naturales, de tal forma, que le otorga características distintivas a las políticas de ...
Elizabeth Céspedes Ochoa   +1 more
doaj   +1 more source

Beyond Algorithmic Phase Transitions: Integrating Evolutionary Contingency, Biophysical Constraints, and System‐Level Organization in Eukaryogenesis

open access: yesFASEB BioAdvances, Volume 8, Issue 10, October 2026.
ABSTRACT Understanding the origins and determinants of biological complexity requires integrating theoretical and empirical perspectives across the tree of life. The present work discusses a recent theoretical proposal suggesting that the emergence of eukaryotes can be understood as an algorithmic phase transition governed by universal scaling laws in ...
Antonio Salas
wiley   +1 more source

Caracterización de las poblaciones de enemigos naturales de Piezodorus guildinii (Westwood) (Hemiptera: Pentatomidae)

open access: yesAgrociencia, 2008
Piezodorus guildinii (Westwood) afecta a soja y leguminosas forrajeras provocando que en la primera se realicen todos los años entre una y dos aplicaciones de insecticidas. Con el objetivo de determinar, en soja y alfalfa, las fluctuaciones de las poblaciones de sus enemigos naturales y su eficacia, se realizaron muestreos en la Estación Experimental ...
A. Ribeiro, E. Castiglioni
openaire   +1 more source

Analysis and geometry on non-smooth domains

open access: yes, 2018
Esta nota esta basada en la charla de posesión como Miembro Correspondiente de la Academia Colombiana de Ciencias Exactas Fisicas y Naturales. En ella describo algunos de los resultados recientes en un area de análisis que esta enfocada en entender la ...
Toro, Tatiana, Tatiana Toro
core   +1 more source

Estimating the total mortality of seabirds following a marine heat wave

open access: yesConservation Biology, Volume 40, Issue 5, October 2026.
Abstract Marine heat waves detrimentally affect a range of marine species, including seabirds, and are increasing in frequency and severity. When thousands of dead seabirds wash up on beaches, the public becomes concerned. However, the number of dead birds recorded on beaches is only a fraction of the total mortality; most birds perish at sea.
Jennifer L. Lavers   +3 more
wiley   +1 more source

IN WHICH SENSE CAN WE TALK ABOUT A DIALOGUE BETWEEN THE SCIENCES? AN ESSAY CONCERNING THE NEW SCIENCES OF COMPLEXITY

open access: yes, 2005
Es efectivamente posible y necesario el diálogo entre las ciencias físicas, exactas y naturales y las ciencias sociales y humanas. El lugar en el que este diálogo es efectivamente fructífero es en el espacio constituido por las nuevas ciencias de la ...
Maldonado, Carlos Eduardo
core   +1 more source

Monitoring wildlife health for diseases with visible signs by integrating camera traps with marked individuals

open access: yesConservation Biology, Volume 40, Issue 5, October 2026.
Abstract Monitoring wildlife health is essential for conservation and management, wildlife and livestock welfare, and public health in a One Health framework. Yet, wildlife health monitoring often requires long‐term fieldwork and intensive sampling, which can be costly or logistically challenging, especially for remote, rare, or elusive populations. To
Jonathan Tichon   +8 more
wiley   +1 more source

CONSERVATION PROGRAM FOR DICKSONIA SELLOWIANA HOOK. FERN, IN BOGOTA AND THE SURROUNDING AREA

open access: yes, 2011
Dentro del programa integral de conservación del helecho arborescente Dicksonia sellowiana,se documentó la distribución espacial en Bogotá y su área de influencia mediante informaciónconsignada en herbarios regionales, en bases de datos de ...
Pérez, Belkis   +4 more
core   +1 more source

Habitat and spatial trends of U.K. wintering waterbird populations over 50 years

open access: yesConservation Biology, Volume 40, Issue 5, October 2026.
Abstract The United Kingdom is an important wintering ground for millions of waterbirds. Most U.K. wintering waterbird populations increased between 1970 and the mid‐1990s, but declined thereafter. We examined U.K. population indices in 46 wintering waterbird species in two 25‐year periods, 1970–1994 and 1995–2019, to identify which waterbird groups ...
Blaise Martay   +8 more
wiley   +1 more source

Declining amphibian populations: a global phenomenon in conservation biology

open access: yesAnimal Biodiversity and Conservation, 2007
Disminución de las poblaciones de anfibios: un fenómeno global en biología de la conservación La mayoría de reducciones recientes en la biodiversidad de la Tierra puede atribuirse al impacto humano sobre el ambiente.
T. Gardner
doaj   +1 more source

Home - About - Disclaimer - Privacy