The Vallesian, 11.1-9 Ma, was a special time in the Vallès-Penedes basin near Barcelona, where a biodiversity hotspot existed. Europe had a subtropical climate, with rhinos, forest giraffes, lions,... Show moreThe Vallesian, 11.1-9 Ma, was a special time in the Vallès-Penedes basin near Barcelona, where a biodiversity hotspot existed. Europe had a subtropical climate, with rhinos, forest giraffes, lions, hyenas, flying squirrels and primates.Around 9.7 million years ago there was an abrupt collapse in diversity; the so-called 'Vallesian Crisis'. This was seen as the transition point to a climate with more seasonality and open landscapes.Using a fossil dataset from Miocene Eurasia, the influence of dataset quality on the severity of this crisis, which animals were most affected and their distribution patterns was studied.The crisis’ victims have three things in common: they are mainly forest dwellers, they date back to the Middle Miocene (16-11.1 Ma), and they are rare during the early Vallesian. The high Vallesian biodiversity was caused by the arrival of new immigrants in addition to older transient groups, possibly due to the unique coastal conditions.Major differences existed between the coastal region and the interior of the Iberian Peninsula. Some species appeared in the Vallès-Penedès, but never reached the inland. The 'Vallesian Crisis', while seen understandably as a time of abrupt and severe extinction, was thus largely a local turnover event. Show less
Previous studies have identified individual and organizational factors that influence the turnover intentions of bureaucrats. However, they have overlooked how the type of national bureaucracy... Show morePrevious studies have identified individual and organizational factors that influence the turnover intentions of bureaucrats. However, they have overlooked how the type of national bureaucracy influences turnover intention. Combining data sets on macro-level bureaucratic structures and individual civil servants, we examine how bureaucratic politicization and closedness are associated with the turnover intentions of bureaucrats in 36 countries. Our analysis indicates that there is large cross-national variation in turnover intention, and that bureaucratic structures matter as one of the predictors of turnover intention. Public servants working in more closed and regulated bureaucracies exhibit lower turnover intention. We also find that public servants working in more politicized bureaucracies (in which personnel decisions are made via political connections) have lower turnover intention than those working in more merit-based systems. Such low turnover intention in politicized bureaucracies may be explained by the characteristics of patronage appointments in which public jobs are distributed based on personal or political loyalty. Show less
