Results 41 to 50 of about 1,904 (181)

Understanding an ecological tug of war: Disentangling competition between native and domesticated ungulates

open access: yesEcosphere, Volume 15, Issue 4, April 2024.
Abstract Competition is a complex ecological process involving individual and community interactions at ecological and evolutionary time scales. Individuals within and between species can compete through two mechanisms: exploitative and interference competition. These mechanisms often co‐occur, making it difficult to develop a mechanistic understanding
Bryan D. Spencer   +7 more
wiley   +1 more source

Efecto de la tala de Podocarpus glomeratus (Podocarpaceae) sobre la estructura de un bosque de neblina en los Andes (Cochabamba, Bolivia)

open access: yesRevista Peruana de Biología, 2011
En el presente trabajo fueron analizados los efectos de la tala sobre la estructura, composición y la regeneración natural de un bosque andino de neblina. Se instalaron 40 parcelas de 707 m2 para medir individuos >10 cm DAP y sub-parcelas de 5 m2 para
Ariel Isaías Ayma-Romay   +1 more
doaj   +1 more source

Mieles de la provincia de La Pampa. Origen botánico y su relación con el color

open access: yesSemiárida, 2020
Se relaciona el origen botánico y el color en 148 muestras de miel de la Provincia de La Pampa, cosechadas entre 1990 y 1996. Las mieles predominantes, monoflorales, provienen de malezas típicas de áreas modificadas Como el abrepuño amarillo (Centaurea ...
O. A. Naab   +2 more
doaj  

Leaf Morphological Traits of then Shrub Species at the Tamaulipan Thorn Scrub

open access: yesInternational Journal of Bio-Resource and Stress Management, 2023
The aim of this work was to conduct a research study of the leaf morphological traits of ten woody species that grow and develop in the Tamaulipan Thorn scrub Shrub land. Study species were Cordia boissieri, Helietta parvifolia (A.DC.), Condalia hookeri 
Perla Cecilia Rodriguez Balboa   +4 more
doaj  

Facies de ?El Monte? en la Sierra de la Ventana

open access: yesLilloa, 1938
Facies de "?El Monte"? en la Sierra de la Ventana. El autor describe una facies compuesta por Gounrliea decorticans + Schinus dependens + Condalia lineata + Berberis ruscifolia + Clematis campestris + Lycium ciliatum que encontró junto al arroyo ...
Alberto Castellanos
doaj  

Biochemical parameters of silver catfish (Rhamdia quelen) after transport with eugenol or essential oil of Lippia alba added to the water [PDF]

open access: yes, 2017
The transport of live fish is a routine practice in aquaculture and constitutes a considerable source of stress to the animals. The addition of anesthetic to the water used for fish transport can prevent or mitigate the deleterious effects of transport ...
A. G. Becker   +50 more
core   +2 more sources

The insecticidal, molting disruption and insect growth inhibitory activity of extracts from Condalia microphylla Cav. (Rhamnaceae)

open access: yesIndustrial Crops and Products, 2013
Abstract Extracts obtained from a common shrub that occurs as part of vegetative species growing on arid lands of North-Central Chile and adjacent central Argentina known as “piquilin” Condalia microphylla (Rhamnaceae) showed insect growth inhibitory activity against the fall armyworm Spodoptera frugiperda , yellow meal worm Tenebrio molitor and
Cespedes, Carlos L.   +7 more
openaire   +2 more sources

Cambios en la vegetación del matorral desértico micrófilo en un área bajo manejo

open access: yesRevista Mexicana de Ciencias Forestales, 2017
El objetivo de este estudio consistió en evaluar los cambios en la estructura y composición florística del matorral desértico micrófilo a partir de la aplicación de una técnica de restauración ecológica y la ocurrencia de incendios naturales en ...
Romelia Angel Medina Guillén   +4 more
doaj   +1 more source

Distribución espacial y diversidad vegetal en la biodeposición de Galea leucoblephara y Microcavia maenas en un área protegida y un campo pastoreado, Ñacuñán, Mendoza [PDF]

open access: yes, 2019
La herbivoría altera en forma directa a la vegetación y la modifica indirectamente a través de los comportamientos de ingeniería como la biodeposición (deposición de heces y orina) pudiendo afectar los suelos y las propiedades físicas que influyen ...
Larramendy, Laura Ailén
core  

Frequency of visits by ants and their effectiveness as pollinators of Condalia microphylla Cav.

open access: yesJournal of Arid Environments, 2014
The effect of a pollinator species on a plant depends on their interaction frequency and the pollinator's effectiveness. The role of ants as pollinators is highly variable, in some cases they act as true pollinators and in others as antagonists damaging flowers, robbing nectar or disrupting pollination.
Chacoff, Natacha Paola, Aschero, Valeria
openaire   +2 more sources

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