4 results match your criteria: "College of Life Sciences Northwest Normal University Lanzhou China.[Affiliation]"

Article Synopsis
  • The East Himalaya-Hengduan Mountains (EHHM) area has seen significant diversification due to recent geological uplift and climate variations, though the mechanisms behind this are still unclear.
  • Researchers utilized chloroplast and nuclear DNA markers to analyze how geological and ecological factors influenced the genetic structure of a specific species within the region.
  • The study found strong genetic differentiation correlating with climatic conditions rather than geographical barriers, suggesting that fluctuating climates during the Quaternary period played a critical role in the species' evolution and population dynamics in the EHHM.
View Article and Find Full Text PDF

Continuous variation in herkogamy has been well reported, however, less attention has been paid to the phenomena that the consecutive expression of two types of herkogamy in the same flower. which have both vertical and lateral herkogamy, show vertical herkogamy during the female phase However, their gynophores bend to one side with the male phase and show lateral herkogamy In this study, we observed the effect of successive sexual organs movement on variation in herkogamy traits. By artificially manipulating the flower to present gynophore straightened in the floral center or bend to one side, we attempted to investigate whether herkogamy movement affects pollinator access efficiency, pollen removal and deposition, and seed set ratio.

View Article and Find Full Text PDF

Repeatable floral closure with diurnal rhythms, that is, flower opening in the morning and closing in the evening, was widely reported. However, the rhythm of flower opening in the morning but closing in the midday received much less attention. , Gentianaceae, has an obvious petal movement rhythm opening in the morning and closing at noon at northeast of the Qinghai-Tibetan Plateau.

View Article and Find Full Text PDF

Running speed and camouflage are associated with the foraging and anti-predator abilities of animals. The toad-headed lizard, , has evolved a darker dorsal color in melanistic habitats and maintained a lighter color in adjacent, non-melanistic habitats. We test the hypothesis that lizards have weaker running speed on well-matching backgrounds than on less matching backgrounds.

View Article and Find Full Text PDF