Karim Omar

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Questions related from Karim Omar

Population size fluctuations: when is it normal and when is it an alarm?

Fluctuations in population numbers, abundance, or density from one time step to the next are the norm. Population cycles make up a special type of population fluctuation, and the growth curves in...

01 January 1970 4,931 3 View

Plant population fragmentation in mountain ecosystems

When a population is small, the effect of genetic drift increases, leading to less allele fixation and/or random fixation. This, in essence, contributes to increased homozygosity, which affects...

01 January 1970 9,218 9 View

Habitat Fragmentation and endemic plants conservation

Fragmentation of habitats describes the emergence of discontinuities (fragmentation) in the preferred environment (habitat) of an organism, causing population fragmentation and decay of the...

01 January 1970 9,911 24 View

In situ conservation practices for relict species: challenges and opportunities

A relict species population is a population that currently occurs in a restricted area, but whose original range was far wider during a previous geologic epoch. Threatened plant species with small...

01 January 1970 5,026 7 View

How can we increase the success of the rehabًilitation process of endemic water-loving plants in arid environments?

Some threatened endemic plants, which were more widespread in the cold ages (relict), when the environmental conditions were appropriate, their rehabilitation process is very difficult. These...

01 January 1970 2,419 33 View