Examples of propagule

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Examples of vertebrate colonizations support the propagule pressure model.
One possible criterion for evaluation of seed dispersal services is the measure of distance a propagule is moved away from the maternal plant.
What evidence suggests that tropical forests have received low 'propagule pressure'?
The propagule pressure model is based on the frequency and quantity of a colonizer's propagule input into an ecosystem.
What happens if propagules belonging to one or the other genotype repeatedly invade a recipient ecosystem (compare above: the propagule pressure model)?
In particular, heterogeneity in propagule availability among sites is acknowledged but little-studied.
The patterns of recruitment illustrated by the study are, therefore, a reflection of microhabitat suitability rather than propagule availability.
This is a further argument in favour of the idea that most individuals stem from the local (within-stand) propagule supply.
Second, we expected to find a clear effect of the propagule supply on the structure and composition of epiphytic bromeliad communities in forest stands.
The results presented are consistent with a propagule reacting to oxidative stress, but overtaken by more catastrophic physical damage.
Higher trophic levels may also mediate the effect of propagule pressure.
Generalizing forest regeneration models: the dependence of propagule availability on disturbance history and stand size.
This means that parasite movements through definitive or intermediate host migration and\\or propagule dispersion are restricted between localities.
Vaccination does not directly affect the in situ productivity of the endangered species population, but it does provide indirect benefits by reducing disease propagule pressure.
First, there was the 'propagule' stage, covering eggs, larvae and pupae.
Through the negative effects on propagule number and size, severe herbivory may influence fitness of the mangrove, and, thus, community structure.
Let us imagine further that the rates of propagule production and survival are also reduced by about a third each, so that the normally modelled recruitment rate declines by 60%.
First, populations will diverge due to genetic drift more slowly under migrant pool selection than they will under propagule pool selection, resulting in a slower response to selection.
The results indicate interactions between soil disturbance, propagule availability and herbivory, rather than disturbance alone, will play an important role in controlling seedling recruitment and species habitat distributions in grasslands.

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