The Maling area in the Ordos Basin is characterized by delta front deposits.The principal oil-bearing layer, Chang 8 Member (the 8th member of the Triassic Yanchang Formation), manifests low-to-ultra-low porosity and permeability due to the interplay of depositional, diagenetic, and burial processes.The reservoir exhibits pronounced heterogeneity a
Repeated Reticulate Evolution in North American Papilio machaon Group Swallowtail Butterflies.
Hybridization between distinct populations or species is increasingly recognized as an important process for generating biodiversity.However, the interaction between hybridization and speciation is complex, and the diverse evolutionary outcomes of hybridization are difficult to differentiate.Here we characterize potential hybridization in a species