Results 21 to 30 of about 3,788 (140)

Modelo matemático depredador – presa utilizando ecuaciones diferenciales ordinarias con retardo [PDF]

open access: yes, 2020
El presente trabajo de investigación tuvo como objetivo, identificar la manera como modelar matemáticamente la interacción depredador – presa que considere el tiempo en el que el depredador captura a la presa.
Garay Gonzales, Erick Omar
core   +1 more source

Bifurcaciones en modelo gause depredador - presa con discontinuidad [PDF]

open access: yes, 2021
This paper presents the necessary conditions to guarantee the existence of a stable limit cycle in a predator - prey model and some geometrical aspects to perform a qualitative analysis in two - dimensional Filippov dynamic systems.
Cortes Garcia, Christian
core   +2 more sources

Preferencia alimenticia del ácaro depredador balaustium sp. en condiciones controladas [PDF]

open access: yes, 2009
Se evaluó la preferencia de presas de Balaustium sp., enemigo natural de diferentes artrópodos plaga, y el cual es nativo de la Sabana de Bogotá. En unidades experimentales construidas con foliolos de plantas de rosa se colocaron independientemente ...
Muñoz, Karen   +4 more
core   +1 more source

Parasitism and predation of the planthopper Tagosodes orizicolus (Homoptera: Delphacidae) by a dryinid parasitoid in Costa Rica

open access: yesRevista de Biología Tropical, 2009
We analyzed the effect of predation and parasitism by the native dryinid Haplogonatopus hernandezae as a natural enemy of the rice pest Tagosodes orizicolus under controlled conditions in an insectary in Costa Rica.
Floria Mora-Kepfer   +1 more
doaj   +2 more sources

Evaluación del efecto regulador de Chrysoperla externasobre mosca blanca Trialeurodes vaporariorum en tomate

open access: yesRevista de Ciencias Agrícolas, 2016
El tomate Solanum lycopersicum L es una hortaliza de gran importancia en el ámbito nacional. Dentro de las principales limitantes de este cultivo se encuentra la mosca blanca, Trialeurodes vaporariorum Westwood (Hemíptera: Aleyrodidae).
Mayerly Alejandra Castro   +2 more
doaj   +1 more source

Primer registro de depredación por Notonecta melaena Kirkaldy, 1897 (Insecta: Notonectidae) sobre Procambarus clarkii (Girard, 1852) (Decapoda: Cambaridae)

open access: yesBiota Colombiana
Este trabajo documenta por primera vez la depredación del cangrejo de río Procambarus clarkii (Girard, 1852) (Decapoda: Cambaridae) por Notonecta melaena Kirkaldy, 1897 (Insecta: Notonectidae).
Fredy Palacino Rodríguez   +1 more
doaj   +1 more source

Coinvasional disruptions to island pollinator networks

open access: yesConservation Biology, Volume 40, Issue 5, October 2026.
Abstract Biological invasions can adversely affect pollinator diversity by threatening the maintenance of animal‐pollinated plant communities. Although most studies have examined single invasive species, accelerating species introductions driven by global trade highlight the need to understand how multiple co‐occurring invaders jointly influence ...
Marta Quitián   +5 more
wiley   +1 more source

The muscle-powered bite of Allosaurus (Dinosauria; Theropoda): an interpretation of cranio-dental morphology

open access: yesEstudios Geologicos, 2003
La morfología craneal de Allosaurus ha sido objeto de interpretaciones funcionales que implican un comportamiento depredador radicalmente distinto para el inferido para cualquier vertebrado depredador terrestre.
M. Antón   +3 more
doaj   +1 more source

Ecology of declining populations of gray foxes (Urocyon cinereoargenteus) in Indiana, USA Ecología de las poblaciones en declive de zorros grises (Urocyon cinereoargenteus) en Indiana, EE.UU.

open access: yesWildlife Monographs, Volume 226, Issue 1, September 2026.
We estimated seasonal space use, cover selection, and resource selection; evaluated gene flow and potential genetic barriers; and assessed cause‐specific survival rates and reproduction of radiomarked gray foxes in Indiana, USA. Our results provide evidence that gray foxes in Indiana are an edge species with relatively large home ranges, relatively low
Tim L. Hiller   +5 more
wiley   +1 more source

DESEMPEÑO DEL MODELO DE LOTKA-VOLTERRA Y HOLLING APLICADO A SISTEMAS PRESA-DEPREDADOR

open access: yes, 2022
In this work, the critical condition of the Lotka-Volterra model was demonstrated, starting from the formal assumption of prey-predator growth in a 1: 1 ratio, using the Runge-Kutta method and assuming hypothetical values of the positive fixed constants ...
Gutiérrez-Borda, Alberto Ernesto
core   +1 more source

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