Results 1 to 10 of about 9,534 (91)

Behavioural responses by a bumble bee to competition with a niche-constructing congener. [PDF]

open access: yesJ Anim Ecol, 2022
Nectar robbing by flower‐biting bumble bees constitutes ecological niche construction if robbing holes persist and intensify nectar competition experienced by non‐biting, bystander flower visitors. In response, bystanders can tolerate robbing, switch plant species or adopt robbing, perhaps partially compensating for exploitative competition associated ...
Rosenberger NM   +3 more
europepmc   +2 more sources

A Window Into Eastern Mediterranean Productivity Conditions Over Three Pliocene Precession‐Forced Climate Cycles

open access: yesPaleoceanography and Paleoclimatology, Volume 38, Issue 4, April 2023., 2023
Abstract Here, we explore the importance of export productivity versus anoxia in the formation of sedimentary layers with enhanced total organic carbon (TOC) content. We use geochemical, sedimentological and micropaleontological records from two SW Sicily outcropping successions, Lido Rossello (LR) and Punta di Maiata (PM), over three Early Pliocene ...
A. Cutmore   +4 more
wiley   +1 more source

Aspectos florísticos, ecológicos y etnobotánicos de Mammillaria deherdtiana subsp. dodsonii (Cactaceae), una planta endémica y amenazada

open access: yesActa Botanica Mexicana, 2022
Antecedentes y Objetivos: En Oaxaca, México, se reportan 26 especies del género Mammillaria; siete de ellas endémicas. Mammillaria deherdtiana subsp. dodsonii está catalogada como amenazada. Los objetivos del trabajo fueron describir las características
Beatriz Rendón-Aguilar   +6 more
doaj   +1 more source

Caracterización morfológica y análisis de crecimiento de tres cultivares de Helianthus annuus L. para flor de corte

open access: yesSiembra, 2022
El objetivo de este estudio fue evaluar las características morfológicas y analizar los parámetros de crecimiento de tres cultivares híbridos de girasol (Helianthus annuus L.) para flor de corte, cultivados a campo abierto.
Jairo Fernando Carrillo Criollo   +1 more
doaj   +1 more source

Contribución al conocimiento de la biología floral del género lavándula l. II. Lavandula stoechas l. Subsp. Stoechas [PDF]

open access: yes, 1987
Several aspects of the floral biology of Lavandula stoechas L. subsp. stoechas are studied: pollen germinability, stigmatic receptivity, nectar production, floral longevity, dymanics of floral appearance on the inflorescences as well as fruit and seed ...
Devesa Alcaraz, Juan Antonio   +1 more
core   +7 more sources

Polinizadores y polinización en frutales subtropicales : implicaciones en manejo, conservación y seguridad alimentaria [PDF]

open access: yes, 2018
The commercialization and consumption of tropical fruits has grown worldwide during the last decade. This trend is expected to continue, due to the increasing world population and the greater demand for these products in western markets. As in most fruit
Alcaraz, Librada   +5 more
core   +2 more sources

‘A potentially ticking time bomb’ – barriers for prevention, diagnosis, and treatment of cardiovascular disease in people with intellectual disabilities

open access: yesJournal of Applied Research in Intellectual Disabilities, Volume 37, Issue 6, November 2024.
Abstract Background Research suggests that people with intellectual disabilities have a higher risk for cardiovascular disease than the general population. The aim of this study was to identify barriers for the prevention, diagnosis, and treatment of cardiovascular disease for people with intellectual disabilities.
Tanja Plasil   +3 more
wiley   +1 more source

Contribution to the knowledge of the floral biology of the genus Lavandula L. [PDF]

open access: yes, 1985
Morphologic and reproductive aspects of three taxa of Lavandula, L. stoechas subsp. stoechas, L. stoechas subsp. sampaiana and L. stoechas subsp. luisieri, living in western Andalusia (southern Spain) are studied.
Arroyo, Juan   +2 more
core  

Ensayos de compativilidad floral en ciruelos japoneses (Prunus salicina L.) procedentes de California (USA) [PDF]

open access: yes, 1994
p.251-255Se ensayó la compatibilidad floral de cinco cultivares de ciruelo japonés, procedentes de California, incorporados a la colección pomológica de la Cátedra de Fruticultura de la Facultad de Agronomía (UBA) : Durado, Red Beaut, Black Beaut, Friar ...
Borscak, Juana Delia   +2 more
core  

Conservación de flores de alstroemeria (Alstroemeria spp.) mediante soluciones preservativas en poscosecha

open access: yesRevista Chapingo Serie Horticultura, 2006
El objetivo de este trabajo fue evaluar el uso de soluciones preservativas y el tiempo de inmersión, que permitan almacenar la flor de alstroemeria por tiempo prolongado, sin afectar su calidad.
A. D. Hernández-Fuentes   +4 more
doaj  

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