Results 11 to 20 of about 9,424 (162)

The role of geography, ecology, and hybridization in the evolutionary history of Canary Island Descurainia

open access: yesAmerican Journal of Botany, Volume 110, Issue 5, May 2023., 2023
Abstract Premise Oceanic islands offer the opportunity to understand evolutionary processes underlying rapid diversification. Along with geographic isolation and ecological shifts, a growing body of genomic evidence has suggested that hybridization can play an important role in island evolution.
Amy C. Jackson   +3 more
wiley   +1 more source

Variables that intervene in the weight of rotifer biomass and fatty acids

open access: yesJournal of the World Aquaculture Society, Volume 53, Issue 3, Page 741-753, June 2022., 2022
Abstract The biomass of rotifers is used as live food in aquaculture; their quality is determined by the content of the main polyunsaturated fatty acids and the weight it acquires over time. The objective of this work was to evaluate the variables involved in this process to achieve higher quality.
Carla Patricia Aguilar Samanamud   +7 more
wiley   +1 more source

The widely distributed, edible seaweeds in Peru, Chondracanthus chamissoi and Chondracanthus chamissoi f. glomeratus (Gigartinaceae, Rhodophyta), are morphologically diverse but not phylogenetically distinct

open access: yesJournal of the World Aquaculture Society, Volume 52, Issue 6, Page 1290-1311, December 2021., 2021
Abstract Chondracanthus chamissoi is part of the diet of coastal people from Peru and is exported dehydrated to Asian countries for direct consumption. Although it is considered endemic to Peru and Chile, its range has extended to distant regions, such as Korea, Japan, and France. Using morphological and molecular approaches, we examined specimens from
Natalia Arakaki   +4 more
wiley   +1 more source

Conservación in vitro: una perspectiva para el manejo de los recursos fitogenéticos

open access: yesRevista de Investigación Agraria y Ambiental, 2015
Los recursos fitogenéticos comprenden la diversidad vegetal cultivada que tiene un valor real o potencial en la seguridad alimentaria de la humanidad. Desde esta perspectiva, cada una de las especies que han presentado un proceso de domesticación tanto a
Miguel Macgayver Bonilla Morales
doaj   +1 more source

Potencial de restauración de bosques de coníferas en zonas de movimiento de germoplasma en México

open access: yesRevista Mexicana de Ciencias Forestales, 2020
La restauración de tierras forestales requiere datos relacionados con el número de plántulas producidas y el nivel de degradación del suelo. Los tomadores de decisiones necesitan saber cuáles son los esfuerzos del programa nacional de reforestación como ...
Andrés Flores García   +3 more
doaj   +1 more source

The Key Role of Cultural Preservation in Maize Diversity Conservation in the Argentine Yungas

open access: yesEvidence-Based Complementary and Alternative Medicine, Volume 2013, Issue 1, 2013., 2013
Farmers’ decisions on what to grow and why can contribute in understanding the conservation of agrobiodiversity. Culture and ethnicity are indicated as first‐class factors leading preservation of heirloom cultivars but this has been little considered in studies examining factors that influence the loss or preservation of agrobiodiversity.
Norma I. Hilgert   +4 more
wiley   +1 more source

Avances y tendencias en mejoramiento genético de vainilla

open access: yesCiencia y Tecnología Agropecuaria, 2022
Las vainas de la vainilla (Vanilla planifolia Jacks. ex Andrew) son la fuente natural de vainillina e internacionalmente son consideradas un producto de alto valor comercial.
Alma Laura Ramos-Castellá   +1 more
doaj   +1 more source

Los bancos de germoplasma de especies nativas y su rol en la restauración ecológica: abordajes y conclusiones en el I Simposio Internacional de Prácticas de Restauración

open access: yesSemiárida
En noviembre de 2023, en Neuquén (Argentina), se llevó a cabo una mesa de trabajo durante el I Simposio Internacional de Prácticas de Restauración Ecológica y III Encuentro Nacional de Restauración Ecológica.
Selva Yanet Cuppari   +2 more
doaj   +1 more source

MÉTODOS PARA CONSERVAÇÃO A LONGO PRAZO DE SEMENTES DE TABEBUIA SPP - BIGNONIACEAE

open access: yesRevista do Instituto Florestal, 1992
O objetivo deste trabalho foi determinar a viabilidade de sementes de Tabebuía ímpetígínosa, Tabebuía ochreceee e Tabebuía avellanedae, após secagem e/ou armazenamento sob temperatura subzero, visando à conservação de seu germoplasma a longo prazo.
Rozane da Cunha   +4 more
doaj   +1 more source

Evaluación de la calidad de semillas de fríjol común (Phaseolus vulgaris L.) variedad Palicero en el banco de semillas de la Universidad Libre

open access: yesAvances, 2020
Los bancos de semillas son instrumentos de conservación del germoplasma que aseguran la diversidad genética, promueven la sostenibilidad ambiental y garantizan el derecho a la seguridad, la soberanía y la autonomía alimentaria en las comunidades.
Erika Paola Romero Pintor   +3 more
doaj   +1 more source

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