Results 71 to 80 of about 1,679 (152)

A modification to the SCAR (Sequence Characterized Amplified Region) method provides phylogenetic insights within Ceratozamia (Zamiaceae) Una modificación al método SCAR (Sequence Characterized Amplified Region) aporta entendimiento filogenético en Ceratozamia (Zamiaceae)

open access: yesRevista Mexicana de Biodiversidad, 2012
Phylogenetic relationships among closely related plant species are still problematic. DNA intergenic regions often are insufficiently variable to provide desired resolution or support. In this study, a modification to the Sequence Characterized Amplified
Dolores González, Andrew P. Vovides
doaj  

Determining Terminal Velocities of Selected Insects and Substitute Materials to Develop Future Test Procedures for Insect‐Friendly Mowing Technology

open access: yesJournal of Applied Entomology, Volume 150, Issue 3, Page 310-320, April 2026.
ABSTRACT Agricultural grasslands are vital habitats for insects that provide key ecosystem services. However, conventional rotary mowers are proposed to cause significant insect mortality due to the high rotational speed of their blades and the resulting airflow.
Jonas Frank   +6 more
wiley   +1 more source

Estrategia estatal de conservación de las cícadas (Zamiaceae): una propuesta para el estado de Hidalgo, México

open access: yesRevista de Biología Tropical, 2013
México es el segundo país con mayor diversidad de cícadas en el mundo. En él, la Sierra Madre Oriental (SMO) es una de las regiones biogeográficas con mayor riqueza de estas plantas.
Aurelia Vite   +2 more
doaj  

Dioon Mejiae, a new cycad from Honduras [PDF]

open access: yes, 2016
El descubrimiento más sorprendente botánico en Honduras este año es un cícadas del género Dioon. Las cícadas nativos de continental América tropical son pocos, y el género Dioon tiene han conocido previamente sólo de México, donde tres especies se ...
Standley, Paul C., Williams, Louis O.
core   +1 more source

Temperature-dependent development of the cycad aulacaspis scale, aulacaspis yasumatsui (Hemiptera: Diaspididae) [PDF]

open access: yes, 2009
Egg duration period, immature development time, and pre-oviposition period of the cycad aulacaspis scale, Aulacaspis yasumatsui Takagi, were measured at 9 constant temperatures in the laboratory.
Cave, Ronald D.   +2 more
core   +2 more sources

Insect‐Derived Bioactives for Glycemic Control and Gut Health: A Review

open access: yesFood Frontiers, Volume 7, Issue 2, March 2026.
Insect‐derived bioactive compounds (e.g., peptides, polysaccharides) effectively regulate blood glucose through dual mechanisms: directly inhibiting carbohydrate‐digesting enzymes and glucose transporters, and indirectly modulating gut microbiota to enhance intestinal barrier integrity.
Chaoyi Lv   +5 more
wiley   +1 more source

Mechanisms of species–people relationships in place attachment

open access: yesPeople and Nature, Volume 8, Issue 3, Page 767-781, March 2026.
Abstract Species are recognised as integral components of the natural environment. Yet, research on species such as the role of plants and animals as important placemakers within people–place relationships remains limited. As environmental change continues to redefine our relationship to places, species can offer a new perspective into the underlying ...
Edith Shum   +2 more
wiley   +1 more source

Biodiversidad de Zamiaceae en México

open access: yesRevista Mexicana de Biodiversidad, 2013
Dentro de los grupos actuales de espermatofitas, plantas con semilla, las cícadas cuentan con el registro fósil más antiguo. A pesar de ello, su estatus como “fósiles vivientes” ha sido puesto en entredicho recientemente con base en resultados de ...
Fernando Nicolalde-Morejon   +5 more
doaj   +1 more source

Urban adults' engagement in nature education and its interplay with everyday lived experiences: A case study from Shenzhen, China

open access: yesPeople and Nature, Volume 8, Issue 3, Page 741-753, March 2026.
Abstract Currently, scholarship on education to foster connectedness with nature primarily focuses on children. As adults likewise face the disconnection from nature and play a key role in influencing children, it is important to understand how they perceive, engage in, and benefit from relevant programmes.
Xiaoxue Chen, Zuyi Lyu, Junxi Qian
wiley   +1 more source

Conservación de los recursos fitogenéticos: uso inteligente de la biodiversidad [PDF]

open access: yes, 2018
Los recursos fitogenéticos están representados por toda la variedad y combinaciones posibles de rasgos que permiten a las especies vegetales adaptarse a los cambios en el medio; a mayor cantidad de rasgos y combinaciones, mayor es la probabilidad de que ...
Arturo S´ánchez González   +4 more
core   +2 more sources

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