Outstanding Outstanding

Streaming

News News

Content with tag sex ratio .

Egyptian vultures breed more males in the Canary Islands than on the Iberian Peninsula

Egyptian vultures breed more males in the Canary Islands than on the Iberian Peninsula
For this research, more than 1600 Egyptian vulture nestlings from island and mainland populations were monitored over three decades in Spain. Small changes in the sex ratio in threatened species may cause significant alterations in their populations
View »
actualidad sex ratio ecology egyptian vulture 12/01/24

Effects of climate change on sea turtles nesting

Effects of climate change on sea turtles nesting
Sea turtles are vertebrates with temperature-dependent sex determination. Rising temperatures due to climate change cause female-biased sex ratios. Here, the influence of nest depth and shading conditions on nest temperatures and hatchling fitness
of the leatherback sea turtle Dermochelys coriacea have been assessed.
View »
actualidad sex ratio ethology and biodiversity conservation leatherback sea turtle hatchling fitness 14/06/19

Sex ratio adjustments of the glossy ibis

Sex ratio adjustments of the glossy ibis
The sex ratio is an important parameter affecting population demographics. This is a study of the mechanisms and causes of changes over time in the sex ratio of the glossy ibis (Plegadis falcinellus) in the main breeding colony in Doñana.
View »
actualidad dept of wetland ecology wetland ecology plegadis falcinellus glossy ibis sex ratio fisher hypothesis 13/02/15