Results 21 to 30 of about 430 (164)

Estrategias reproductivas de moluscos gasterópodos [PDF]

open access: yes, 2019
Pomacea maculata (Gastropoda: Ampullariidae) es un caracol dulceacuícola nativo de Sudamérica que ha sido introducido en el sudeste asiático, Europa e islas del Océano Pacífico donde se ha convertido en una seria plaga para la agricultura, principalmente en cultivos de arroz y taro.
openaire   +10 more sources

Estrategia reproductiva de Copaifera langsdorffii (Fabaceae): más semillas o mejores semillas?

open access: yesRevista de Biología Tropical, 2015
<p>El <em>compromiso o balance adaptativo de las semillas en tamaño/número</em> (trade-off seed size/number) es un reconocido fenómeno capaz de dar forma a los procesos ecológicos de la colonización y el establecimiento de especies de plantas.
Lopes Souza, Matheus   +2 more
openaire   +4 more sources

Morfología y estrategias reproductivas del gametofito de Polypodium lepidotrichum (Fée) Maxon (Polypodiaceae)

open access: yesActa Botanica Mexicana, 1994
El gametofito joven de Polypodium lepidotrichum (Fée) Maxon es un filamento corto constituido por cuatro a cinco células; en una fase intermedia los gametofitos son espatulados. Los protalos maduros, formados alrededor de ocho semanas después de la germinación de las esporas, son cordiformes, reniformes u ovales con la base angosta.
Blanca Pérez García   +1 more
openaire   +3 more sources

Uta stansburiana: una ventana a la evolución de las estrategias reproductivas

open access: yesActa Universitaria, 2012
En su frase célebre, Dobzhansky propuso que “nada tiene sentido en biología si no es a la luz de la evolución”. En extensión para las Neurociencias, nada tiene sentido si no se mira a través de la conducta. La lagartija de costado manchado Uta stansburiana es una espe­cie modelo ampliamente utilizada para estudiar diversos aspectos reproductivos que ...
Guillermo Bojórquez Rangel   +2 more
openaire   +1 more source

A Dominant Founder Lineage Has Possible Fitness Costs for the Endangered Mexican Grey Wolf

open access: yesMolecular Ecology, Volume 35, Issue 5, March 2026.
ABSTRACT The Mexican grey wolf (Canis lupus baileyi) is an endangered and genetically distinct subspecies of grey wolf adapted to the warm climates of the southwestern United States and Mexico. Following centuries of eradication efforts, Mexican grey wolves were protected under the Endangered Species Act in 1976, prompting an international ex situ ...
Yeraldi Loera   +12 more
wiley   +1 more source

Mate desertion affects offspring survival, development and physiology in a songbird with multiple parental strategies

open access: yesFunctional Ecology, Volume 40, Issue 2, Page 323-337, February 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Sexual conflict affects the amount and duration of offspring care each parent invests, resulting in multiple parental care strategies sometimes coexisting within a single population.
Valentina Alaasam   +11 more
wiley   +1 more source

Salty suitors: High larval sodium intake reduces adult lifespan and influences reproductive behaviour in a lepidopteran herbivore

open access: yesEcological Entomology, Volume 50, Issue 5, Page 886-898, October 2025.
Low‐sodium females took significantly longer to start mating than high‐sodium females, but no pairings differed in the duration of copulation. Reproductive outputs, measured by number of clutches, hatching young, adult offspring and pupation time, did not differ across parental sodium pairings.
Maggie C. Vincent   +3 more
wiley   +1 more source

Water‐saving strategies in rice farming entail cascading effects in prey–predator interactions across ecosystem boundaries

open access: yesJournal of Applied Ecology, Volume 62, Issue 9, Page 2273-2282, September 2025.
These results show that introducing multiple drainage periods in rice fields (i.e. AWD) indirectly hampers terrestrial spider reproduction through limiting the emergence of potential preys from the aquatic to terrestrial boundaries. MSD resulted in a more conciliatory strategy as it largely reduces methane emissions and does not affect predator–prey ...
Néstor Pérez‐Méndez   +5 more
wiley   +1 more source

Rapid Ocean Warming Drives Sexually Divergent Habitat Use in a Threatened Predatory Marine Ectotherm

open access: yesGlobal Change Biology, Volume 31, Issue 7, July 2025.
How ectothermic, mobile marine predators are responding to climate change is uncertain due to lack of species‐specific data, which can mask the true impact of this threat. We investigate the impact of environmental conditions and thermal extremes on the behavior and distribution of angelsharks, a highly threatened elasmobranch of global conservation ...
Lucy R. Mead   +14 more
wiley   +1 more source

Proyecto de atención preventiva de mujeres con alto riesgo reproductivo

open access: yesPerinatología y Reproducción Humana, 2017
Desde hace más de dos décadas, la reducción de la mortalidad materna se ha vislumbrado como una prioridad a nivel mundial, y muchos países, entre ellos México, se han comprometido a desarrollar estrategias que permitan cumplir las metas del cuarto ...
A. Cardona Pérez   +5 more
doaj   +1 more source

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