Salamander loss alters montane stream ecosystem functioning and structure through top‐down effects
Salamanders are seriously declining worldwide and, despite being important predators in both aquatic and terrestrial environments, their effects on freshwater ecosystems are virtually unknown. We demonstrated that salamander loss could alter montane stream ecosystem functioning and structure by reducing periphyton accrual, altering algal communities ...
A. Alonso +4 more
wiley +1 more source
La investigación tiene como objetivo realizar el diagnóstico de cultura organizacional de una Institución de Educación Superior Pública, para identificar los elementos culturales que facilitan o dificultan el proceso de evaluación del desempeño del ...
Irasema Linares Medina +2 more
doaj +1 more source
An assessment of potential interventions to reduce the totoaba illegal trade market
Abstract The illegal trade in totoaba (Totoaba macdonaldi) is causing adverse social, ecological, and economic impacts. This illegal activity is accelerating the overexploitation of totoaba and pushing the critically endangered vaquita (Phocoena sinus) closer to extinction.
Rodrigo Oyanedel +3 more
wiley +1 more source
Análisis dogmático del derecho penal ambiental chileno, a la luz del derecho comparado y las obligaciones contraídas por Chile en el ámbito del derecho internacional. Conclusiones y propuesta legislativa [PDF]
Indexación: ScieloEl presente artículo corresponde al Informe Final del Proyecto FONDECYT 10102062001, sobre tratamiento penal de los delitos contra el medio ambiente en Chile.
Castillo Sánchez, Marcelo +3 more
core
Conventional global production models are not suitable for certain stocks, because fishing effort variations explain only a part of the total variability of annual catches.
Pierre Fréon, R. Yáñez
semanticscholar +1 more source
Geography and ecology shape the phylogenetic composition of Amazonian tree communities
Abstract Aim Amazonia hosts more tree species from numerous evolutionary lineages, both young and ancient, than any other biogeographic region. Previous studies have shown that tree lineages colonized multiple edaphic environments and dispersed widely across Amazonia, leading to a hypothesis, which we test, that lineages should not be strongly ...
Bruno Garcia Luize +216 more
wiley +1 more source
Estudios de procesos hidroambientales en una zona de llanura de la provincia de Buenos Aires [PDF]
El Instituto de Hidrología de Llanuras (IHLLA) tiene amplia trayectoria en hidrología subterránea y superficial, medio ambiente, calidad del agua y teledetección.
Briceño, Ninoska +9 more
core
Diving behaviour of the critically endangered tope shark Galeorhinus galeus in the Natural Reserve of Bahia San Blas, northern Patagonia [PDF]
Background:Tope sharks (Galeorhinus galeus) aggregate in large numbers during spring and summer in closedgulfs and bays in northern Patagonia; these locations are considered the main nursery areas for the species.However, little is known about the ...
Cuevas, Juan Martín +2 more
core +2 more sources
TÉCNICAS Y PROCEDIMIENTOS APLICABLES A LA AUDITORÍA DEL MEDIO AMBIENTE
La presente investigacion cientifica denominada TECNICAS y PROCEDIMIENTOS DE AUDITORIA MEDIOAMBIENTAL constituye el complemento de la investigacion efectuada anteriormente denominada AUDITORIA DEL MEDIO AMBIENTE, ya que, sin las tecnicas y procedimientos
C. Pereda
semanticscholar +1 more source
Abstract The Barcelona Public Health Agency (ASPB) asked the Scientific Advisory Committee on Food Safety for an opinion on the safe shelf life of Listeria monocytogenes in certain products (cheeses, cooked meats, including pâtés, and cured meats) sliced and prepackaged prior to retail sale.
Sara Bover Cid +6 more
wiley +1 more source

