Results 21 to 30 of about 815,782 (289)

Effects of the pandemic on women’s reproductive health protective attitudes: a Turkish sample

open access: yesReproductive Health, 2022
Plain language summary Impairment of sexual and reproductive health (SRH) and inability to use sexual and reproductive rights are an important public health problem during pandemics.
Derya Kaya Senol, Filiz Polat
doaj   +1 more source

Male age mediates reproductive investment and response to paternity assurance [PDF]

open access: yesProceedings of the Royal Society B: Biological Sciences, 2013
Theory predicts that male response to reduced paternity will depend on male state and interactions between the sexes. If there is little chance of reproducing again, then males should invest heavily in current offspring, regardless of their share in paternity.
Benowitz, Kyle M.   +4 more
openaire   +4 more sources

Assurance of corporate stand-alone reporting : evidence from the UK [PDF]

open access: yes, 2008
Since the early 1990’s the number of corporate stand-alone reports produced by various organisations worldwide has increased considerably (Kolk, 2004; Owen, 2006).
Al-Hamadeen, Radhi Mousa
core   +2 more sources

The Rise of Apomixis in Natural Plant Populations

open access: yesFrontiers in Plant Science, 2019
Apomixis, the asexual reproduction via seed, has many potential applications for plant breeding by maintaining desirable genotypes over generations.
Diego Hojsgaard, Elvira Hörandl
doaj   +1 more source

Going solo: discovery of the first parthenogenetic gordiid (Nematomorpha: Gordiida). [PDF]

open access: yesPLoS ONE, 2012
Despite the severe fitness costs associated with sexual reproduction, its persistence and pervasiveness among multicellular organisms testifies to its intrinsic, short-term advantages.
Ben Hanelt   +2 more
doaj   +1 more source

Partial selfing, ecological disturbance and reproductive assurance in an invasive freshwater snail [PDF]

open access: yesHeredity, 2005
Although reproductive assurance (RA) might play a central role in the evolution of the selfing rate, this hypothesis has never been seriously investigated in an hermaphroditic animal. We studied the mating system of the freshwater snail Physa acuta in which the availability of mating partners might be highly variable, because this species is an ...
Henry, Pierre-Yves   +3 more
openaire   +5 more sources

Mixed Mating System Are Regulated by Fecundity in Shorea curtisii (Dipterocarpaceae) as Revealed by Comparison under Different Pollen Limited Conditions. [PDF]

open access: yesPLoS ONE, 2015
The maintenance of mixed mating was studied in Shorea curtisii, a dominant and widely distributed dipterocarp species in Southeast Asia. Paternity and hierarchical Bayesian analyses were used to estimate the parameters of pollen dispersal kernel, male ...
Naoki Tani   +13 more
doaj   +1 more source

Quality assurance in transnational higher education : a case study of the tropEd network [PDF]

open access: yes, 2013
Transnational or cross-border higher education has rapidly expanded since the 1980s. Together with that expansion issues on quality assurance came to the forefront.
Albert Scherpbier   +7 more
core   +2 more sources

Observations of Simultaneous Sperm Release and Larval Planulation Suggest Reproductive Assurance in the Coral Pocillopora acuta

open access: yesFrontiers in Marine Science, 2019
Despite being an extensively studied group of corals, the reproductive biology of the scleractinian genus Pocillopora remains a mystery. Pocillopora acuta has been proposed to exhibit a mixed reproductive mode, sexually producing gametes (sperm and eggs)
Hillary A. Smith   +6 more
doaj   +1 more source

Developing a quality assurance model for small military institutions [PDF]

open access: yes, 2008
Bahrain Defence Force (BDF) has a limited manpower, land to manoeuvre and resources. This reason has led the researcher to investigate the effective dimensions of discovering a model for quality assurance in higher education within a military context in ...
Bahzad, Y, Irani, Z
core   +6 more sources

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