Results 31 to 40 of about 8,652 (163)

Occupancy and Niche Dynamics of Iberian Freshwater Fish Across 25 Years

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 10, October 2026.
ABSTRACT Global change is reshaping biological communities, leading to shifts in community composition, species distributions and species realized niches. These processes are especially relevant in freshwater ecosystems, where vertebrate declines are particularly severe and dispersal is naturally constrained by drainage basins.
Carlos Cano‐Barbacil   +5 more
wiley   +1 more source

Análisis de la calidad trófica del embalse El Hato [PDF]

open access: yes, 2018
En este artículo se presenta el análisis de la calidad trófica del embalse El Hato, con base en la información disponible para aportes de fósforo al embalse.
Tibaquirá Perdomo, Paola Marcella   +1 more
core   +2 more sources

Sistema para operación de embalse simple implementado en el asistente matemático MATLAB

open access: yesIngeniería Hidráulica y Ambiental, 2016
En el presente trabajo se desarrolla un Sistema para Operación de Embalse Simple (SOES) implementado en el asistente matemático MATLAB que utiliza las relaciones de Capacidad – Garantía – Entrega (CGE) acopladas a la metodología de Kritski y Menkel para
Iosvany Alberto Recio Villa   +2 more
doaj  

Características morfológicas de las cianobacterias y fitoplancton dominante en tres embalses de Antioquia: un enfoque basado en la forma y el biovolumen

open access: yesRevista U.D.C.A Actualidad & Divulgación Científica, 2019
El desarrollo masivo de cianobacterias y la contaminación por cianotoxinas constituyen una problemática ambiental de especial interés en los sistemas acuáticos, debido a los diversos impactos negativos que los florecimientos (blooms) de cianobacterias ...
Karen Palacio Gómez   +4 more
doaj   +1 more source

Microtopography and land management drive the spatial and population structures of a Mediterranean keystone species

open access: yesEcosphere, Volume 17, Issue 1, January 2026.
Abstract Environmental and human factors shape the distribution and habitat of Mediterranean woody plants, influencing their population structure and conservation. The Iberian wild pear (Pyrus bourgaeana), a keystone fleshy‐fruited species supporting wildlife during resource‐scarce periods, is one such example.
Salvador Arenas‐Castro   +1 more
wiley   +1 more source

Implementación de embalses en cálculos hidrológicos con Iber

open access: yesIngeniería del Agua, 2023
La consideración del efecto laminador de los embalses en la evaluación de caudales de avenida es un aspecto fundamental en aquellas cuencas donde la hidrología está condicionada por la presencia de presas. En este trabajo se presenta la implementación de
Gonzalo García-Alén   +3 more
doaj   +1 more source

Genomic Connectivity and Adaptation Signals of the Freshwater Sponge Ephydatia muelleri Across Its Distribution

open access: yesJournal of Biogeography, Volume 53, Issue 1, January 2026.
ABSTRACT Aim Genetic connectivity and local adaptation were examined across the distribution of the freshwater sponge Ephydatia muelleri. Because it occupies an exceptional breadth of freshwater environments across a broad geographic range, this species offers key insights into biogeographic processes shaping genetic structure and adaptation in inland ...
Laura de la Cruz‐Castillejo   +18 more
wiley   +1 more source

Modeling nature‐based restoration potential across aquatic–terrestrial boundaries

open access: yesConservation Biology, Volume 39, Issue 5, October 2025.
Abstract Today, few watersheds remain untouched by global change processes arising from climate warming, impoundments, channelization, water extraction, pollution, and urbanization. The need for restoration has resulted in a myriad of interventions, generally performed at small scales, which have limited measurable impact in restoring biodiversity and
B. Wegscheider   +5 more
wiley   +1 more source

Aquatic macrophytes in the large, sub-tropical Itaipu Reservoir, Brazil

open access: yesRevista de Biología Tropical, 2010
In the last three decades, rapid assessment surveys have become an important approach for measuring aquatic ecosystem biodiversity. These methods can be used to detect anthropogenic impacts and recognize local or global species extinctions.
Roger Paulo Mormul   +5 more
doaj   +2 more sources

Biología Acuática | Número 18

open access: yesBiología Acuática, 2019
Medición de la producción bacteriana en un embalse patagónico. Aspectos metodológicos | Miguel A. Di Siervi. Aldo A. Mariazzi y Jorge L. Donadelli Medición de la producción bacteriana en un embalse patagónico. Importancia de bacterias libres y adheridas |
Andrés Boltovskoy
doaj  

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