Results 21 to 30 of about 835 (124)

Dietary resilience of coral reef fishes to habitat degradation

open access: yesJournal of Animal Ecology, Volume 95, Issue 3, Page 397-417, March 2026.
Metabarcoding of gut contents shows that two common benthic‐feeding reef fishes with different feeding stratgies—a butterflyfish (Chaetodon capistratus) and a hamlet (Hypoplectrus puella)—shift diets on degraded reefs. These shifts mirror contrasting patterns in body condition: butterflyfish showed strong individual variation, whereas condition was ...
Friederike Clever   +9 more
wiley   +1 more source

Nicho trófico de batoideos de México [PDF]

open access: yes, 2022
Las poblaciones de batoideos a nivel mundial están disminuyendo, para conocer las consecuencias ecológicas que esto pudiera ocasionar se requiere estudiar su nicho trófico. En el sur del Golfo de México los batoideos más importantes en la pesca comercial
Francisco Serrano-Flores
core  

Record phenological responses to climate change in three sympatric penguin species

open access: yesJournal of Animal Ecology, Volume 95, Issue 3, Page 455-469, March 2026.
This paper is impressive because we managed to monitor extensively a really difficult place to reach and operate in. We deployed 77 cameras across Antarctica and the Sub Antarctic islands to monitor three different species of penguins. We found that they are the fastest advancing vertebrates with respect to their timing of breeding.
Ignacio Juarez Martinez   +8 more
wiley   +1 more source

Effects of landscape fragmentation on floodplain fishes as revealed by species–habitat networks

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract How species interact with habitat patches is influenced primarily by habitat configuration (e.g., connectivity) and species’ functional traits. As levels of fragmentation increase, identifying the intricate connections between these components is crucial for biodiversity conservation.
Chen Zhang   +8 more
wiley   +1 more source

Dinámica del control biológico basado en un modelo de cadena alimenticia con tres niveles tróficos [PDF]

open access: yes, 2014
En esta tesis se estudia la dinámica del control biológico mediante un modelo matemático de cadena alimenticia simple de tres niveles tróficos. Este modelo matemático esta basado en un modelo depredador presa con respuesta funcional Holling tipo II razón
Pérez Núñez, Jhelly Reynaluz
core  

Moth Communities Reveal High Stability Despite Ongoing Compositional Shifts Over Five Years Following Hurricane Disturbance

open access: yesEcology and Evolution, Volume 15, Issue 10, October 2025.
We examined the temporal dynamics and ecological stability of tropical forest moth communities using a unique dataset spanning 6 months before and up to 5 years after two extreme hurricanes. While abundance and richness recovered within 2 years, species composition continued to shift, indicating ongoing reassembly with a directional trajectory toward ...
Aura M. Alonso‐Rodríguez   +3 more
wiley   +1 more source

Modelación de flujos tróficos de un manglar de la costa pacífica colombiana

open access: yes, 2023
Los manglares son ecosistemas con alta complejidad trófica que proveen recursos importantes para la subsistencia de comunidades humanas que habitan sus alrededores.
Cantera Kintz, Jaime Ricardo   +2 more
core  

Una secuencia didáctica para fortalecer la comprensión de los Niveles Tróficos y su función en la vida cotidiana en estudiantes de grado 4 de la Institución Educativa Rufino José Cuervo Sur – Sede Madre Marcelina

open access: yes, 2019
El objetivo general consistió en diseñar una secuencia didáctica para la enseñanza de las interacciones en el flujo de energía y los niveles tróficos, acudiendo a las necesidades encontradas por medio de un instrumento de ideas previas mediante el ...
Castellanos Martínez, Haider Isaac   +1 more
core   +1 more source

Exploration Behavior Is Consistent and Associated With Foraging Behavior in Island Songbirds

open access: yesBiotropica, Volume 57, Issue 4, July 2025.
We tested the neophobia threshold hypothesis in six landbird species, including four Darwin's finches. Exploration behavior was consistent over time and contexts, with species exhibiting greater foraging diversity showing higher exploratory tendencies.
Jefferson García‐Loor   +3 more
wiley   +1 more source

Perspectivas de una producción sostenible en acuicultura multitrófica integrada (IMTA): una revisión

open access: yesRevista de la Facultad de Medicina Veterinaria y de Zootecnia, 2022
La acuicultura tradicional se enfrenta a serios problemas medioambientales, particularmente por el uso de grandes volúmenes de agua, con las consecuentes descargas de efluentes ricos en nutrientes inorgánicos y partículas orgánicas.
D. C. Naspirán-Jojoa   +3 more
doaj   +1 more source

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